Attribute Tab of Various Objects

Different objects support different attributes. The following table lists the Edit Properties forms in which you can modify the attributes of various objects.

Attributes in the Edit Area Boundary Properties Form	Attributes in the Edit Instance Pin Properties Form	Attributes in the Edit Polygon Pin Properties Form
Attributes in the Edit Blockage Properties Form	Attributes in the Edit Label Properties Form	Attributes in the Edit PR Boundary Properties Form
Attributes in the Edit Cluster Boundary Properties Form	Attributes in the Edit Line Properties Form	Attributes in the Edit Rectangle Pin Properties Form
Curvy Shapes Attributes	Attributes in the Edit Modgen Properties Form	ROD Multipart Path - Master Path Fields Attributes
Attributes in the Edit Donut Properties Form	Attributes in the Edit Mosaic Properties Form	Routing, Slot, Pin, or Feed Through Blockage Attributes
Attributes in the Edit Donut Pin Properties Form	Attributes in the Edit Path Properties Form	Attributes in the Edit Row Properties Form
Attributes in the Edit Dot Pin Properties Form	Attributes in the Edit Path Pin Properties Form	Attributes in the Edit Snap Boundary Properties Form
Attributes in the Edit Ellipse Properties Form	Attributes in the Edit PathSeg Properties Form	Attributes in the Edit Via Properties Form
Attributes in the Edit Ellipse Pin Properties Form	Attributes in the Edit PathSeg Pin Properties Form	Attributes in the Edit Via Pin Properties Form
Attributes in the Edit Group Properties Form	Pin Name or Other Text Display Attributes	Attributes in the Edit Via Stack Properties Form
Attributes in the Edit Group Array Properties Form	Placement Halo Blockage Attributes	Virtual Hierarchy / VH Clone Attributes
Attributes in the Edit Instance Properties Form	Attributes in the Edit Polygon Properties Form

For information about tabs in the property editor, see Edit Properties Form.

Attributes in the Edit Area Boundary Properties Form

The following table describes the fields available on the Attributes tab of the Edit Area Boundary Properties form.

Field	Description
Name	Sets the name of the area boundary.
Points	Sets the coordinates of each point of the area boundary.
bBox	Displays the coordinates of the box surrounding the area boundary.
Area	Displays the total area in user units of the area boundary.
Rectangle and Rectilinear	Displays whether a boundary is a rectangle or a polygon.

Attributes in the Edit Blockage Properties Form

The following table describes the fields available on the Attributes tab of the Edit Blockage Properties form.

Field	Description
Owner Information	Sets owner as Cluster, Instance, or No Owner.
Points	Sets the coordinates of each point of the blockage.
Area	Displays the total area of the blockage in user units.
Type	Displays the blockage type.
Layer	Selects the layer on which the blockage is enforced.
Material	Selects the material on which the blockage is enforced.
Use Effective Width	Enables the Effective Width field, when clicked.
Effective Width	Sets the value which is checked against the layer spacing rule or table spacing rules, if defined.
Spacing	Displays the row offset value in user units. Spacing attribute is disabled if the Use Effective Width attribute is selected.
Allow PGNet	Allows shapes with signal types power and ground to be placed within the blockage area.

Attributes in the Edit Cluster Boundary Properties Form

The following table describes the fields available on the Attributes tab of the Edit Cluster Boundary Properties form.

Field	Description
Name	Sets the name of the cluster boundary.
Cluster Name	Displays the name of the associated cluster.
Points	Sets the coordinates of each point of the cluster boundary.
bBox	Displays the coordinates of the box surrounding the cluster boundary.
Area	Displays the total area in user units of the cluster boundary.
Rectangle and Rectilinear	Displays whether a boundary is a rectangle or a polygon.
Max Voltage	Displays the maximum voltage if the cluster is a power domain cluster.

Curvy Shapes Attributes

(Virtuoso Photonics Option) The following table describes the fields available for curvy shapes on the Attributes tab of the Edit Properties form.

Field	Description
Curvy Line	Layer: Displays the layer on which the curvy line is drawn. bBox: Displays the coordinates of the box surrounding the curvy line. Points: Displays the coordinates of each point of the curvy line. Begin Point: Displays the coordinates of the beginning point of the curvy line. End Point: Displays the coordinates of the end point of the curvy line.
Curvy Path	Segment: Displays the coordinates of the segment of the curvy line. Layer: Displays the layer on which the curvy path is drawn. bBox: Displays the coordinates of the box surrounding the curvy path. Points: Displays the coordinates of each point of the curvy path. Begin Point: Displays the coordinates of the beginning point of the curvy path. End Point: Displays the coordinates of the end point of the curvy path. Begin Facet Angle: Displays the beginning facet angle for the curvy path. End Facet Angle: Displays the end facet angle for the curvy path. Begin Facet Radius: Displays the beginning facet radius for the curvy path. End Facet Radius: Displays the end facet radius for the curvy path. Segments: Displays the coordinates of the segments of the curvy path. Segments Count: Displays the number of segments.
Curvy Surface	Layer: Displays the layer on which the curvy surface is drawn. bBox: Displays the coordinates of the box surrounding the curvy surface. Points: Displays the coordinates of each point of the curvy surface. Area: Displays the area of the curvy surface. Boundary: Displays the coordinates of the boundaries of segments the curvy surface. Boundary Count: Displays the number of boundaries. Holes: Displays the coordinates of the holes of segments of the curvy surface. Number of holes: Displays the number of holes.

Attributes in the Edit Donut Properties Form

The following table describes the fields available on the Attributes tab of the Edit Donut Properties form.

Field	Description
Layer	Sets the layer on which the donut is drawn.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the box surrounding the donut.
Center: x and y	Sets the X and Y coordinates of the center of the donut.
Inner Radius and Outer Radius	Sets the inner and outer radius of the donut.

Attributes in the Edit Donut Pin Properties Form

The following table describes the fields available on the Attributes tab of the Edit Donut Pin Properties form.

Field	Description
Layer	Sets the layer on which the donut is drawn.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the box surrounding the donut.
Center: x and y	Sets the X and Y coordinates of the center of the donut.
Inner Radius and Outer Radius	Sets the inner and outer radius of the donut.
Placement Status	Displays the placement status of the instance in a cyclic field. The choices are Unplaced, None, Placed, Fixed, and Locked/Cover. If the placement status is Unplaced, the instance will not be visible. See Placement Status Valid Values.
Pin Name	Displays the name of the pin.
Terminal Name	Displays the name of the terminal.
Route Method	Displays the routing method of the pin in a cyclic field. The choices are symbolic and geometric. When Update Net Signal Type is enabled, terminals with nets that have a Signal Type of Power or Ground in the schematic are automatically given a Route Method of Geometric when either the Generate All From Source or Update Components and Nets commands are run.

Attributes in the Edit Dot Pin Properties Form

The following table describes the fields available on the Attributes tab of the Edit Dot Pin Properties form:

Field	Description
Layer	Sets the layer of the dot.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the bounding box of the dot.
Center x and y	Sets the X and Y coordinates of the dot origin.
Width	Sets the width of the dot in user units (usually microns).
Height	Sets the height of the dot in user units (usually microns).
Placement Status	Displays the placement status of the instance in a cyclic field. The choices are Unplaced, None, Placed, Fixed, and Locked/Cover. If the placement status is Unplaced, the instance will not be visible. See Placement Status Valid Values.
Pin Name	Displays the name of the pin.
Terminal Name	Displays the name of the terminal.
Route Method	Displays the routing method of the pin in a cyclic field. The choices are symbolic and geometric. When Update Net Signal Type is enabled, terminals with nets that have a Signal Type of Power or Ground in the schematic are automatically given a Route Method of Geometric when either the Generate All From Source or Update Components and Nets commands are run.
ROD Name	Displays the name of the dot if it is a ROD object.

Attributes in the Edit Ellipse Properties Form

The following table describes the fields available in the Attributes tab of the Edit Ellipse Properties form.

Field	Description
Layer	Sets the layer of the ellipse or circle.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
Left, Right, Bottom, and Top	Sets the coordinates of the box that defines the ellipse or circle.

Attributes in the Edit Ellipse Pin Properties Form

The following table describes the fields available in the Attributes tab of the Edit Ellipse Pin Properties form.

Field	Description
Layer	Sets the layer of the ellipse or circle.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
Left, Right, Bottom, and Top	Sets the coordinates of the box that defines the ellipse or circle.
Placement Status	Displays the placement status of the pin in a cyclic field. The choices are Unplaced, None, Placed, Fixed, and Locked/Cover. If the placement status is Unplaced, the instance will not be visible. See Placement Status Valid Values.
Pin Name	Displays the name of the pin.
Terminal Name	Displays the name of the terminal.
Route Method	Displays the routing method of the pin in a cyclic field. The choices are symbolic and geometric. When Update Net Signal Type is enabled, terminals with nets that have a Signal Type of Power or Ground in the schematic are automatically given a Route Method of Geometric when either the Generate All From Source or Update Components and Nets commands are run.

Attributes in the Edit Group Properties Form

The following table describes the fields available on the Attributes tab of the Edit Group Properties form.

Field	Description
Name	Displays the name of the group.
Origin X and Origin Y	Sets the origin point of the group.
Orientation	Sets whether the group is rotated or mirrored. See Orientation Valid Values.
Query Group Member button	Displays the appropriate Edit Properties form for the types of objects contained in the group. For example, if the first object in the group is a rectangle, the Edit Rectangle Properties form appears. To continue through the objects in the group, use the Next and Previous buttons on the form. You can edit the properties of each member of the group using these Edit Properties forms. This chapter describes all of the Edit Properties forms that might appear as a result of the query.

Attributes in the Edit Group Array Properties Form

The following table describes the fields available on the Attributes tab of the Edit Group Array Properties form.

Field	Description
Name	Displays the name of the selected group array.
Origin	Sets a specific point in a group array as its origin. You can specify the values in the X and Y fields.
Rows, Columns	Specifies the dimensions of the array. It determines the number of cells or members in a group array.
Lock X,Y	Disables the Mode, X, and Y fields. When this option is selected, spacing mode and spacing values for the group array cannot be edited.
Mode	Lets you select the spacing mode for the group array. Spacing: Lets you specify the distance that is measured between the adjacent or closest edges of cells. For example, the distance between the top edge of a cell and the lower edge of another cell. Pitch: Lets you specify the distance that is measured between the same-edge corners of cells. For example, the distance between the left edges of two cell. You can specify the distance in the X and Y fields. Based on the spacing mode selected, the specified distance is kept between the cells of a group array.
Reference LPP	Specifies the layer-purpose pair (LPP) used for computing the bounding box of the cells in a group array. The bounding box of the geometries on the specified reference LPP is used for calculating the spacing between cells. When the value is set to None, the combined bounding box of all the geometries in a cell is used for determining the spacing between cells.
Rotation	Specifies whether a group array is rotated or mirrored. For information, see Orientation Valid Values.
Array Pattern	Lets you specify the orientation of individual cells of a group array. You can select a predefined or custom pattern. You can specify the orientation values directly in the text field by enclosing them in quotation marks. You can also select a predefined or custom pattern from the drop-down list. Alternatively, you can use the Array Pattern form, which is accessed by clicking the Open Array Pattern editor button . For more information, see Predefined Orientation Patterns for a Group Array.

Attributes in the Edit Instance Properties Form

The following table describes the fields available on the Attributes tab of the Edit Instance Properties form.

Field	Description
Library, Cell, and View	Sets the library, cell, and view names of the master cell for this instance. You can use the SKILL function leEnableInstPropEditFields to enable or disable the Library or Cell fields for an instance in the Property Editor form.
Browse	Lets you select the library, cell, and view names by clicking on them in the browser.
Origin: X and Y	Sets the X and Y coordinates of the origin of the instance.
Name	Sets the name assigned to this instance. The layout editor automatically assigns instance names that begin with the letter I, followed by a number.
Rotation	Sets whether the instance is rotated or mirrored. See Orientation Valid Values.
Cell Type (read only field)	Displays the master cell type used to describe the nature of a physical block or cell. Layout editor does not support any level one editing on any of these design objects. These cell types are used in Virtuoso Layout Suite XL and Virtuoso Floorplanning. See Orientation Valid Values.
Cluster	Specifies the name of the cluster associated with the instance.
Max Voltage	Displays the maximum voltage if the cluster is a power domain cluster.
Placement Status	Displays the placement status of the instance in a cyclic field.The choices are Unplaced, None, Placed, Fixed, and Locked/Cover. If the placement status is Unplaced, the instance will not be visible. See Placement Status Valid Values.

Attributes in the Edit Instance Pin Properties Form

The following table describes the fields available on the Attributes tab of the Edit Instance Pin Properties form.

Field	Description
Library, Cell, and View	Sets the library, cell, and view names of the master cell for this instance. You can use the SKILL function leEnableInstPropEditFields to enable or disable the Library or Cell fields for an instance in the Property Editor form.
Browse	Lets you select the library, cell, and view names by clicking on them in the browser.
Origin: X and Y	Sets the X and Y coordinates of the origin of the instance.
Name	Sets the name assigned to this instance. The layout editor automatically assigns instance names that begin with the letter I, followed by a number.
Rotation	Sets whether the instance is rotated or mirrored. See Orientation Valid Values.
Cell Type (read only field)	Displays the master cell type used to describe the nature of a physical block or cell. Layout editor does not support any level one editing on any of these design objects. These cell types are used in Virtuoso Layout Suite XL and Virtuoso Floorplanning. See Orientation Valid Values.
Cluster	Specifies the name of the cluster associated with the instance.
Max Voltage	Displays the maximum voltage if the cluster is a power domain cluster.
Placement Status	Displays the placement status of the instance in a cyclic field.The choices are Unplaced, None, Placed, Fixed, and Locked/Cover. If the placement status is Unplaced, the instance will not be visible. See Placement Status Valid Values.
Pin Name	Displays the name of the pin.
Terminal Name	Displays the name of the terminal.
Route Method	Displays the routing method of the pin in a cyclic field. The choices are symbolic and geometric. When Update Net Signal Type is enabled, terminals with nets that have a Signal Type of Power or Ground in the schematic are automatically given a Route Method of Geometric when either the Generate All From Source or Update Components and Nets commands are run.

Attributes in the Edit Label Properties Form

The following table describes the fields available on the Attributes tab of the Edit Label Properties form.

Field	Description
Layer	Sets the layer on which the label is drawn.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the box surrounding the label.
Text	Sets the text that appears in the label.
Origin: x and y	Sets the X and Y coordinates of the label origin.
Height	Sets the height of the label, in user units (usually microns).
Rotation	Sets whether the label is rotated or mirrored. See Orientation Valid Values.
Font	Sets the text style of the label.
Justification	Sets the location of the label origin. The origin appears as a small square on the label when you place or select it.
Drafting	Prevents the label from being rotated more than 90 degrees.
Overbar	Specifies a display option that determines how text strings containing underscore characters are displayed in a layout window. When the overbar is disabled (default), the software displays underscore characters ( _ ) as part of the text string. When the overbar is enabled, the software interprets underscore characters ( _ ) in the text string name as toggle switches that control where overbars begin and end. Overbars appear above the text string, as shown in the examples.

Attributes in the Edit Line Properties Form

The following table describes the fields available on the Attributes tab of the Edit Line Properties form.

Field	Description
Layer	Sets the layer of the line.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Sets the coordinates of the box surrounding the line.
Points	Sets the coordinates of each point of the line.
ROD Name	Displays the name of the line if it is a ROD object.

Attributes in the Edit Modgen Properties Form

The following table describes the fields available on the Attributes tab of the Edit Modgen Properties form.

Field	Description
Name	Sets the name of the modgen.
Origin	Sets the origin point of the modgen.
Rotation	Sets whether the modgen is rotated or mirrored. See Orientation Valid Values.
Rows and Columns	Specifies the number of rows and columns in the modgen.
Horizontal and Vertical Alignment	Alignment: Sets the alignment of the modgen.
Custom Spacing	Sets the custom spacing of the modgen.
Reference	Layer and Purpose: Sets the layer and purpose of the reference layer of the modgen.
Number of Members	Specifies the number of members in the modgen.

Attributes in the Edit Mosaic Properties Form

The following table describes the fields available on the Attributes tab of the Edit Mosaic Properties form.

Field	Description
Library, Cell, and View	Sets the library, cell, and view names of the master cell for this instance.
Name	Sets the name assigned to this instance. The layout editor automatically assigns instance names that begin with the letter I, followed by a number.
Origin: x and y	Sets the X and Y coordinates of the origin of the instance.
Rows and Columns	Sets the number of rows and columns in an array of instances.
Delta X and Delta Y	Sets the spacing between rows and columns in an array of instances.
Rotation	Sets whether the mosaic is rotated or mirrored. See Orientation Valid Values.

Attributes in the Edit Path Properties Form

The following table describes the fields available on the Attributes tab of the Edit Path Properties form.

Field	Description
Layer	Sets the layer of the path.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the box surrounding the path.
Points	Sets the coordinates of each point of the path.
Width	Specifies the path width in user units (usually microns).
End Type	Controls how the path ends are drawn. truncate: The path terminates at the end point with no overlap. extend: The path terminates one-half the path width past the end point. round: The path terminates one-third the path width past the end point, in an octagonal (chamfered) shape. Tapering starts at the endpoint of the path and the end segment is one-third the path width, with the other two segments calculated using one-third the width times the square root of two. variable: The path terminates beyond the end point at the distance you enter in the Begin Extension and End Extension fields.
Begin Extension and End Extension	Sets the length of the beginning and ending extension in user units if Type is set to variable.
Route Status	Indicates the status of the route containing the path. Routed: Indicates normal routing status. Fixed: Indicates a route that should not be edited automatically, though it can be edited manually. Locked/Cover: Indicates a route that should not be edited automatically or manually. The route forms a part of the base array. To edit the route, change the routing status to Routed or Fixed.
Part of a Route	Indicates whether or not the path is part of a route. By default, it is FALSE for paths.
ROD Name	Appears if the path is a ROD object.
Subpart	Appears if the path is a multipart path and has subparts. (Virtuoso RF Option) For curved paths, End Type, Begin Extension, End Extension, Part of a Route, and Route Status attributes are disabled.

Attributes in the Edit Path Pin Properties Form

The following table describes the fields available on the Attributes tab of the Edit Path Pin Properties form.

Field	Description
Layer	Sets the layer of the path.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the box surrounding the path.
Points	Sets the coordinates of each point of the path.
Width	Specifies the path width in user units (usually microns).
End Type	Controls how the path ends are drawn. truncate: The path terminates at the end point with no overlap. extend: The path terminates one-half the path width past the end point. round: The path terminates one-third the path width past the end point, in an octagonal (chamfered) shape. Tapering starts at the endpoint of the path and the end segment is one-third the path width, with the other two segments calculated using one-third the width times the square root of two. variable: The path terminates beyond the end point at the distance you enter in the Begin Extension and End Extension fields.
Begin Extension and End Extension	Sets the length of the beginning and ending extension in user units if Type is set to variable.
Route Status	Indicates the status of the route containing the path. Routed: Indicates normal routing status. Fixed: Indicates a route that should not be edited automatically, though it can be edited manually. Locked/Cover: Indicates a route that should not be edited automatically or manually. The route forms a part of the base array. To edit the route, change the routing status to Routed or Fixed.
Part of a Route	Indicates whether or not the path is part of a route. By default, it is FALSE for paths.
ROD Name	Appears if the path is a ROD object.
Subpart	Appears if the path is a multipart path and has subparts. (Virtuoso RF Option) For curved paths, End Type, Begin Extension, End Extension, Part of a Route, and Route Status attributes are disabled.
Placement Status	Displays the placement status of the pin in a cyclic field. The choices are Unplaced, None, Placed, Fixed, and Locked/Cover. If the placement status is Unplaced, the instance will not be visible. See Placement Status Valid Values.
Pin Name	Displays the name of the pin.
Terminal Name	Displays the name of the terminal.
Route Method	Displays the routing method of the pin in a cyclic field. The choices are symbolic and geometric. When Update Net Signal Type is enabled, terminals with nets that have a Signal Type of Power or Ground in the schematic are automatically given a Route Method of Geometric when either the Generate All From Source or Update Components and Nets commands are run.

Attributes in the Edit PathSeg Properties Form

The following table describes the fields available on the Attributes tab of the Edit PathSeg Properties form.

Field	Description
Layer	Sets the layer of the path.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the box surrounding the path.
Width	Specifies the path width in user units (usually microns).This field always displays the width in orthogonal units, even though a path segment may be diagonal.
Begin Point	Sets the coordinates of the beginning point of the path segment.
End Point	Sets the coordinates of the beginning point of the path segment.
Begin Style	Controls how the path segment beginning is drawn. You can choose from truncate, extend, variable, or custom. For more information, see PathSeg Begin and End Styles.
End Style	Controls how the path segment end is drawn. You can choose from truncate, extend, variable, or custom.
Begin Extension and End Extension	Sets the length of the beginning and ending extension in user units if Type is set to variable.
Route Status	Indicates the status of the route containing the pathseg. Routed: Indicates normal routing status. Fixed: Indicates a route that should not be edited automatically, though it can be edited manually. Locked/Cover: Indicates a route that should not be edited automatically or manually. The route forms a part of the base array. To edit the route, change the routing status to Routed or Fixed.
Part of a Route	Indicates whether or not the pathseg is part of a route.
Topology	Indicates the topology pattern of the pathseg. The valid topology values are None, RING, STRIPE, FOLLOWPIN, IOWIRE, COREWIRE, BLOCKWIRE, PADRING, and BLOCKRING. The default value is `None`. The Topology field is visible only if the Part of a Route field is set to FALSE. When the Part of a Route field is set to TRUE, the Edit Properties form title is updated to Edit PathSeg in Route Properties.
ROD Name	Appears if the path is a ROD object.
Subpart	Appears if the path is a multipart path and has subparts.
Setup Constraint Group	Displays the constraint group from which the data is initialized.

Attributes in the Edit PathSeg Pin Properties Form

The following table describes the fields available on the Attributes tab of the Edit PathSeg Pin Properties form.

Field	Description
Layer	Sets the layer of the path.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the box surrounding the path.
Width	Specifies the path width in user units (usually microns).This field always displays the width in orthogonal units, even though a path segment may be diagonal.
Begin Point	Sets the coordinates of the beginning point of the path segment.
End Point	Sets the coordinates of the beginning point of the path segment.
Begin Style	Controls how the path segment beginning is drawn. You can choose from truncate, extend, variable, or custom. For more information, see PathSeg Begin and End Styles.
End Style	Controls how the path segment end is drawn. You can choose from truncate, extend, variable, or custom.
Begin Extension and End Extension	Sets the length of the beginning and ending extension in user units if Type is set to variable.
Route Status	Indicates the status of the route containing the pathseg. Routed: Indicates normal routing status. Fixed: Indicates a route that should not be edited automatically, though it can be edited manually. Locked/Cover: Indicates a route that should not be edited automatically or manually. The route forms a part of the base array. To edit the route, change the routing status to Routed or Fixed.
Part of a Route	Indicates whether or not the pathseg is part of a route.
Topology	Indicates the topology pattern of the pathseg. The valid topology values are None, RING, STRIPE, FOLLOWPIN, IOWIRE, COREWIRE, BLOCKWIRE, PADRING, and BLOCKRING. The default value is `None`. The Topology field is visible only if the Part of a Route field is set to FALSE. When the Part of a Route field is set to TRUE, the Edit Properties form title is updated to Edit PathSeg in Route Properties.
ROD Name	Appears if the path is a ROD object.
Subpart	Appears if the path is a multipart path and has subparts.
Setup Constraint Group	Displays the constraint group from which the data is initialized.
Placement Status	Displays the placement status of the pin in a cyclic field. The choices are Unplaced, None, Placed, Fixed, and Locked/Cover. If the placement status is Unplaced, the instance will not be visible. See Placement Status Valid Values.
Pin Name	Displays the name of the pin.
Terminal Name	Displays the name of the terminal.
Route Method	Displays the routing method of the pin in a cyclic field. The choices are symbolic and geometric. When Update Net Signal Type is enabled, terminals with nets that have a Signal Type of Power or Ground in the schematic are automatically given a Route Method of Geometric when either the Generate All From Source or Update Components and Nets commands are run.

PathSeg Begin and End Styles

The following table describes the options available to draw the beginning and end of a pathSeg. You can choose them from the Begin Style and End Style attributes of a pathSeg.

Field	Description
truncate	The path segment begins at the begin point with no overlap.
extend	The path segment extends from the begin point by one-half the path width.
variable	The path segment extends from the begin point by whatever value you enter in the Begin Extension field, in the example below by 0.25 microns from the begin path point.
custom	The path beginning extends in an octagonal (chamfered) shape. Each dimension of the chamfer is equidistant, except where the distance adjusts to accommodate 45-degree angled paths. The custom path style adjusts to the path width when a 45-degree path end overlaps with other custom path ends. The path ends match when the end points overlap, as in the example below.

Pin Name or Other Text Display Attributes

The following table describes the fields available for pin name or other text display attributes on the Edit Properties form.

Field	Description
Layer	Sets the layer of the text display.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the box surrounding the text display.
Text	Displays the text of the text display for the associated pin and is not editable.
Height	Sets the height of the text display in user units (usually microns).
Rotation	Sets whether the text display is rotated or mirrored. See Orientation Valid Values.
Font	Sets the text style of the text display.
Justification	Sets the location of the origin of the text display origin. The origin appears as a small square on the pin name when you place or select it.
Drafting	Prevents the text from being rotated more than 90 degrees.
Overbar	Specifies a display option that determines how text strings containing underscore characters are displayed in a layout window. When the overbar is disabled (default), the software displays underscore characters ( _ ) as part of the text string. When the overbar is enabled, the software interprets underscore characters ( _ ) in the text string name as toggle switches that control where overbars begin and end. Overbars appear above the text string, as shown in the examples.

Placement Halo Blockage Attributes

The following table describes the fields available on the Attributes tab of the Edit Properties form for placement halo blockage.

Field	Description
Left Offset	Specifies the number of user units the placement halo is offset from the left of the instance bBox.
Right Offset	Specifies the number of user units the placement halo is offset from the right of the instance bBox.
Bottom Offset	Specifies the number of user units the placement halo is offset from the bottom of the instance bBox.
Top Offset	Specifies the number of user units the placement halo is offset from the top of the instance bBox.

Attributes in the Edit Polygon Properties Form

The following table describes the fields available on the Attributes tab of the Edit Polygon Properties form.

Field	Description
Layer	Sets the layer of the polygon.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Sets the coordinates of the box surrounding the polygon.
Points	Sets the coordinates of each point of the polygon.
ROD Name	Displays the name of the polygon if it is a ROD object.

Attributes in the Edit Polygon Pin Properties Form

The following table describes the fields available on the Attributes tab of the Edit Polygon Pin Properties form.

Field	Description
Layer	Displays the layer of the rectangle.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the box surrounding the pin.
Points	Displays the coordinates of each point of the pin.
Placement Status	Displays the placement status of the pin in a cyclic field. The choices are Unplaced, None, Placed, Fixed, and Locked/Cover. If the placement status is Unplaced, the instance will not be visible. See Placement Status Valid Values.
Pin Name	Displays the name of the pin.
Terminal Name	Displays the name of the terminal.
Route Method	Displays the routing method of the pin in a cyclic field. The choices are symbolic and geometric. When Update Net Signal Type is enabled, terminals with nets that have a Signal Type of Power or Ground in the schematic are automatically given a Route Method of Geometric when either the Generate All From Source or Update Components and Nets commands are run.
MPT Coloring: Color and State	Displays the color and state of the pin. (Virtuoso RF Option) For curved polygon pins, you can view the attributes described in this table.

Virtuoso Photonics Option

The following table describes the additional options that are displayed for a photonics pin on the Attribute tab of the Edit Properties form.

Field	Description
Width	Lets you specify the width of the facet of the waveguide that connects to this pin.
Angle	Lets you specify the angle of the facet of the waveguide at the intersection of the pin.
Radius	Lets you specify the radius of the curve of the waveguide center at the point it meets the facet.

You need the Virtuoso_Photonics_Option license to use this functionality. For information on obtaining the required license, contact your local Cadence representative.

Attributes in the Edit PR Boundary Properties Form

The following table describes the fields available on the Attributes tab of the Edit PR Boundary Properties form.

Field	Description
Points	Displays the coordinates of each point of the PR boundary.
BBox	Displays the coordinates of the box surrounding the PR boundary.
Area	Displays the total area of the PR boundary in user units.
Rectangle and Rectilinear	Displays whether a boundary is a rectangle or a polygon. The PR boundary is always a rectangle.
Halo	Allows you to optionally create a new or edit an existing area halo associated with the PR boundary object. This area halo is always on offset to the bounding box of the PR boundary object.
IOBox	Displays the Left, Bottom, Right, and Top coordinates of the bounding box of the IOBox. IOBox represents the area reserved for pads.
CoreBoxSpec	Displays the Left, Bottom, Right, and Top coordinates of the bounding box. CoreBoxSpec is a rectangular grid of sites where multiple rows can be placed in horizontal or vertical direction. This is the area where standard cells can be placed. An IOBox, together with the CoreBox, indicates the area for the IO cells.
Site Pattern	Displays the site definition as core or pad, as defined in the technology file.
Horizontal	Specifies whether the row orientation is horizontal or not.
Spacing	Displays the row offset value in user units.
Flip Type	Displays which rows in the site can be flipped. Cyclic choices include Even, Odd, None.
Spacing Type	Displays the rows to which the spacing value applies. Cyclic choices include Every, Even, Odd. In the example below, the prBoundary has an IO box and a coreBox. The coreBox has four horizontal rows of siteDef A. All rows are separated by a distance row spacing. Every odd numbered row is flipped. The number of rows and row geometry is computed based on the overall bBox of the coreBox and the siteDef of the coreBox. API is available to retrieve the number of rows and bounding box of each row. For information about accessing boundary attributes, see Generic Boundary Attributes and Boundary SKILL Functions.

Attributes in the Edit Rectangle Pin Properties Form

The following table describes the fields available on the Attributes tab of the Edit Rectangle Pin Properties form.

Field	Description
Layer	Displays the layer of the rectangle.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
Left, Right, Bottom, and Top	Displays the coordinates of the pin.
Edit	Specifies a radio button that lets you edit the coordinates. This is the topmost edit button.
Width and Height	Displays the width and height of the pin.
Placement Status	Displays the placement status of the pin in a cyclic field. The choices are Unplaced, None, Placed, Fixed, and Locked/Cover. If the placement status is Unplaced, the instance will not be visible. See Placement Status Valid Values.
Pin Name	Displays the name of the pin.
Terminal Name	Displays the name of the terminal.
Route Method	Displays the routing method of the pin in a cyclic field. The choices are symbolic and geometric. When Update Net Signal Type is enabled, terminals with nets that have a Signal Type of Power or Ground in the schematic are automatically given a Route Method of Geometric when either the Generate All From Source or Update Components and Nets commands are run.
MPT Coloring: Color and State	Displays the color and state of the pin.

ROD Multipart Path - Master Path Fields Attributes

The following table describes the fields available on the Attributes tab for ROD Multipart Path.

Field	Description
Layer	Sets the layer of the master path.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
bBox	Displays the coordinates of the box surrounding the path.
Points	Sets the coordinates of each point of the master path.
Width	Specifies the path width in user units (usually microns).
Type	Controls how the path ends are drawn.
Begin Extension and End Extension	Sets the length of the beginning and ending extension in user units if Type is set to variable.
Choppable	Indicates whether or not a ROD path can be chopped. The value must be `t` or `nil`. When a path has subparts and the master path is choppable, all subpaths and sets of subrectangles must be choppable also. When a path has subparts and the master path is not choppable, each subpath and/or set of subrectangles can be choppable or not. The default is choppable.
ROD Name	Displays the name of the MPP.
Subpart	Opens one of the three Edit ROD Subpart forms, Offset Subpath, Enclosure Subpath, or Subrectangle. See the ROD Subpart Form for a description of the fields and options.

Routing, Slot, Pin, or Feed Through Blockage Attributes

The following table describes the fields available on the Attributes tab of the Edit Properties form for routing, slot, pin, or feed through blockage attributes.

Field	Description
Owner Information	Sets the name of the (optional) owner of the blockage.
Points	Sets the coordinates of each point of the cluster boundary.
Area	Displays the total area in user units of the blockage.
Type	Displays the type of blockage you are editing. In this case, the blockage would be of the type: routing, slot, pin, feed, or placement.
Placement Blockage Type	Displays the type of placement blockage: Hard, Partial, Soft or Macro-Only.
Max Density	Displays the maximum percentage of the total design area that the metal in the specified layer occupies. Based on the placement blockage type, the following are the valid values of the Max Density field: Hard: 0% Partial: Value greater than 0% and less than 100%. The value can be a floating point number. Default value is 50%. Soft: 0% Macro-Only: 100%
Layer	Selects the layer on which the blockage is enforced.
Layer Filter	Enables you to search for a layer-purpose pair and narrow down the available choices in the Layer list.
Material	Selects the material on which the blockage is enforced.
Use Effective Width	Enables the Effective Width field, when clicked.
Effective width	Sets the value which is checked against the layer spacing rule or table spacing rules, if defined.
Allow PGNet	Allows shapes with signal types power and ground to be placed within the blockage area.
Color	Lets you select the color in which the blockage is created. The default value is grayColor. The options available in the Color field are based on the layer selected in the Layer field. If you select a layer in the Layer field that support mask1Color and mask2Color, the Color field will have the options, grayColor, mask1Color, mask2Color, blackColor, and multiColor.

Attributes in the Edit Row Properties Form

The following table describes the fields available on the Attributes tab of the Edit Row Properties form.

Field	Description
Base Name	Allows you to enter a unique name for each row object you create. You enter the base name and the software adds an underscore followed by a number which is greater than or equal to 1. As you enter new sites, each site is incremented by 1. For example, if your base name is ROW_1, the name assigned to the first site is ROW_1_1, the next is ROW_1_2, the next is ROW_1_3, and so on. If you do not enter a custom row name the software assigns the name row_number, which increments by 1 each time you add a site and rows.
Row Width	Displays the width of the row.
Rotation	Allows you to set the row orientation. See Orientation Valid Values.
Origin X and Y	Allows you to set a corner of the row at a specific point in the cellview.
Site Definition Name	Specifies a read only field displaying the name of the current row.
Technology Library	Specifies a read only field displaying the technology library the original row was defined in.
Site Information	Specifies a read-only field displaying the type of site definition (core or pad) that is the current site in the Site Definition Name field. This information contains the type (core or pad), the width and height of the site definition, and three types of symmetry. This information is specified in the technology library site definitions. The symmetry can be SymmetricInX, SymmetricInY, or SymmetricInR90.
Number of Sites	Sets the number of sites in each row. The number of sites is any integer equal to or greater than zero.
Templates	Allows you to place rails and/or components automatically into the rows.
Type radio buttons	Displays Rails, Allowed Components, or Both in the Pre-Defined section of the form. You move them into the Selected section of the form using the arrows. Once they are in the Selected section of the form, you add the components individually selected from the Selected field.

Attributes in the Edit Snap Boundary Properties Form

The following table describes the fields available on the Attributes tab of the Edit Snap Boundary Properties form.

Field	Description
Points	Sets the coordinates of each point of the snap boundary.
bBox	Displays the coordinates of the box surrounding the snap boundary.
Area	Displays the total area in user units of the snap boundary.

Attributes in the Edit Via Properties Form

The following table describes the fields available on the Attributes tab of the Edit Via Properties form.

Field	Description
Via Definition cyclic field	Lists all valid via definitions available in the effective technology file. Choosing a via from the cyclic field selects the via from the effective technology file.
Net Name	Applies a net name to the via you are placing in the cellview.
Technology Library / Via Type	Specifies a read only field that displays the technology library from which the selected via definition is obtained. If you select a via definition from the list which is defined in a different library, the field is updated to that library name. The field also displays the type of `viaDef` displayed in the Via Definition field. The `viaDefs` are `standard` or `custom`.
Rotation	Displays the current rotation of the via.
Origin: X and Y	Sets the X and Y coordinates of the via origin.
Justification	Sets the origin of a via. Choose `offset` to manually set the X and Y origin points. Cyclic field choices are: `offset`, `lowerLeft`, `centerLeft`, `upperLeft`, `lowerCenter`, `centerCenter`, `upperCenter`, `lowerRight`, `centerRight`, `upperRight`. The value `offset` is not available for a cdsVia.
Reset Parameters to	Enables you to reset the values in the form to the technology database values if you want to revert from the manually updated parameter values to the defaults. You can reset the values to Minimum Rules then ViaDef, Minimum Rules, or Minimum Rule Enclosures.
*Compute From*	This section provides options available in Compute From section.
Rows and Columns	Sets the number of rows or the number of columns of via cuts in a via array. If you change the values in the Rows and Columns fields, the values in the other fields, such as Width, Length, Row Spacing, and Column Spacing, are dynamically updated.When you update the value in the Row or Column field, this will the update other values in the form and apply the constraints. This will happen when you finish editing the values in the Row or Column fields and click at some other area in the form.
Swap button	Swaps the values in the Rows and Columns fields. If the swapped values violate the minimum rules, the spacing and enclosure values are re-calculated based on the Reset Parameters to setting.
Width and Height	Sets the width and height of the via, in user units (typically microns)
*Cut Section*	This section provides options available in Cut Section.
Cut Class cyclic field	Displays cut class choices only if a `cutClasses` constraint has been defined for the cut layer of the selected viaDef in the `layerRules` section of the technology file. The following are examples of cut classes: Small is a single cut via where both dimensions are short. Bar is a large via that has one long and one short dimension. The shorter dimension is equal to the width or length of `Small`. Large is a large via that has two long dimensions, equal to the longer dimension of Bar. If you update the Cut Class selection, the values in the other fields, such as Rows, Columns, Width, Length, Row Spacing, and Column Spacing, are dynamically updated.
Width and Length	Sets the width and length of the via cut, in user units (typically microns). If a Cut Class is selected, the cut Width and Length are automatically updated to the cut size values defined for that cut class in the `layerRules` section of the technology file.
Swap button	Swaps the values in the Width and Length fields.
Row Spacing	Sets the distance between the horizontal edge to edge cuts in a via.
Column Spacing	Sets the distance between the vertical edge to edge cuts in a via.
Swap button	Swaps the values in the Row Spacing and Column Spacing fields.
Edit Cut Pattern	Opens the Edit Cut Pattern Form and enables you to edit cut patterns on via arrays.
*Enclosures*	Sets directional offset distances on Layer 1, the bottom routing layer, and Layer 2, the top routing layer.
Compute Enclosures	Calculates enclosures automatically. The Compute Enclosures setting does not impact the via you create in the Auto mode.
Left	Layer 1: Sets the horizontal distance on the left side of the via from the cut edge to the enclosure edge on the layer designated layer 1 (bottom routing layer). Layer 2:Sets the horizontal distance on the left side of the via from the cut edge to the enclosure edge on the layer designated layer 2 (top routing layer).
Right	Layer 1: Sets the horizontal distance on the right side of the via from the cut edge to the enclosure edge on the layer designated layer 1 (bottom routing layer). Layer 2: Sets the horizontal distance on the right side of the via from the cut edge to the enclosure edge on the layer designated layer 1 (top routing layer).
Top	Layer 1: Sets the vertical distance on the top side of the via from the cut edge to the enclosure edge on the layer designated layer 1 (bottom routing layer). Layer 2: Sets the vertical distance on the top side of the via from the cut edge to the enclosure edge on the layer designated layer 2 (top routing layer).
Bottom	Layer 1: Sets the vertical distance on the bottom side of the via from the cut edge to the enclosure edge on the layer designated layer 1 (bottom routing layer). Layer 2: Sets the vertical distance on the bottom side of the via from the cut edge to the enclosure edge on the layer designated layer 2 (top routing layer).
Implant X	Layer 1: Sets the horizontal distance from the left and right cut edge to the implant enclosure edge on the layer designated layer 1 (bottom routing layer). This is a read-only field. Layer 2: Sets the horizontal distance from the left and right cut edge to the implant enclosure edge on the layer designated layer 2 (top routing layer). This is a read-only field.
Implant Y	Layer 1: Sets the vertical distance from the top and bottom cut edge to the implant enclosure edge on the layer designated layer 1 (bottom routing layer). This is a read-only field. Layer 2: Sets the vertical distance from the top and bottom cut edge to the implant enclosure edge on the layer designated layer 2 (top routing layer). This is a read-only field.
Route Status	Indicates the status of the route containing the via. Routed: Indicates normal routing status. Fixed: Indicates a route that should not be edited automatically, though it can be edited manually. Locked/Cover: Indicates a route that should not be edited automatically or manually. The route forms a part of the base array. To edit the route, change the routing status to Routed or Fixed.
Part of a Route	Indicates whether or not the via is part of a route. The following fields are available only for a cdsVia: Metal Purpose: Displays the metal layer purpose. Cut Purpose: Displays the via layer purpose. Other Purpose: Displays the implant and well layer purpose.
MPT Coloring	For a selected via, you can set the colors for Layer1, CutLayer, and Layer2. For all the via layers, the following MPT colors are available: grayColor, mask1Color, mask2Color, and mask3Color.

Attributes in the Edit Via Pin Properties Form

The following table describes the fields available on the Attributes tab of the Edit Via Pin Properties form.

Field	Description
Via Definition cyclic field	Lists all valid via definitions available in the effective technology file. Choosing a via from the cyclic field selects the via from the effective technology file.
Net Name	Applies a net name to the via you are placing in the cellview.
Technology Library / Via Type	Specifies a read only field that displays the technology library from which the selected via definition is obtained. If you select a via definition from the list which is defined in a different library, the field is updated to that library name. The field also displays the type of `viaDef` displayed in the Via Definition field. The `viaDefs` are `standard` or `custom`.
Rotation	Displays the current rotation of the via.
Origin: X and Y	Sets the X and Y coordinates of the via origin.
Justification	Sets the origin of a via. Choose `offset` to manually set the X and Y origin points. Cyclic field choices are: `offset`, `lowerLeft`, `centerLeft`, `upperLeft`, `lowerCenter`, `centerCenter`, `upperCenter`, `lowerRight`, `centerRight`, `upperRight`. The value `offset` is not available for a cdsVia.
Reset Parameters to	Enables you to reset the values in the form to the technology database values if you want to revert from the manually updated parameter values to the defaults. You can reset the values to Minimum Rules then ViaDef, Minimum Rules, or Minimum Rule Enclosures.
*Compute From*	This section provides options available in Compute From section.
Rows and Columns	Sets the number of rows or the number of columns of via cuts in a via array. If you change the values in the Rows and Columns fields, the values in the other fields, such as Width, Length, Row Spacing, and Column Spacing, are dynamically updated.When you update the value in the Row or Column field, this will the update other values in the form and apply the constraints. This will happen when you finish editing the values in the Row or Column fields and click at some other area in the form.
Swap button	Swaps the values in the Rows and Columns fields. If the swapped values violate the minimum rules, the spacing and enclosure values are re-calculated based on the Reset Parameters to setting.
Width and Height	Sets the width and height of the via, in user units (typically microns)
*Cut Section*	This section provides options available in Cut Section.
Cut Class cyclic field	Displays cut class choices only if a `cutClasses` constraint has been defined for the cut layer of the selected viaDef in the `layerRules` section of the technology file. The following are examples of cut classes: Small is a single cut via where both dimensions are short. Bar is a large via that has one long and one short dimension. The shorter dimension is equal to the width or length of `Small`. Large is a large via that has two long dimensions, equal to the longer dimension of Bar. If you update the Cut Class selection, the values in the other fields, such as Rows, Columns, Width, Length, Row Spacing, and Column Spacing, are dynamically updated.
Width and Length	Sets the width and length of the via cut, in user units (typically microns). If a Cut Class is selected, the cut Width and Length are automatically updated to the cut size values defined for that cut class in the `layerRules` section of the technology file.
Swap button	Swaps the values in the Width and Length fields.
Row Spacing	Sets the distance between the horizontal edge to edge cuts in a via.
Column Spacing	Sets the distance between the vertical edge to edge cuts in a via.
Swap button	Swaps the values in the Row Spacing and Column Spacing fields.
Edit Cut Pattern	Opens the Edit Cut Pattern Form and enables you to edit cut patterns on via arrays.
*Enclosures*	Sets directional offset distances on Layer 1, the bottom routing layer, and Layer 2, the top routing layer.
Compute Enclosures	Calculates enclosures automatically. The Compute Enclosures setting does not impact the via you create in the Auto mode.
Left	Layer 1: Sets the horizontal distance on the left side of the via from the cut edge to the enclosure edge on the layer designated layer 1 (bottom routing layer). Layer 2:Sets the horizontal distance on the left side of the via from the cut edge to the enclosure edge on the layer designated layer 2 (top routing layer).
Right	Layer 1: Sets the horizontal distance on the right side of the via from the cut edge to the enclosure edge on the layer designated layer 1 (bottom routing layer). Layer 2: Sets the horizontal distance on the right side of the via from the cut edge to the enclosure edge on the layer designated layer 1 (top routing layer).
Top	Layer 1: Sets the vertical distance on the top side of the via from the cut edge to the enclosure edge on the layer designated layer 1 (bottom routing layer). Layer 2: Sets the vertical distance on the top side of the via from the cut edge to the enclosure edge on the layer designated layer 2 (top routing layer).
Bottom	Layer 1: Sets the vertical distance on the bottom side of the via from the cut edge to the enclosure edge on the layer designated layer 1 (bottom routing layer). Layer 2: Sets the vertical distance on the bottom side of the via from the cut edge to the enclosure edge on the layer designated layer 2 (top routing layer).
Implant X	Layer 1: Sets the horizontal distance from the left and right cut edge to the implant enclosure edge on the layer designated layer 1 (bottom routing layer). This is a read-only field. Layer 2: Sets the horizontal distance from the left and right cut edge to the implant enclosure edge on the layer designated layer 2 (top routing layer). This is a read-only field.
Implant Y	Layer 1: Sets the vertical distance from the top and bottom cut edge to the implant enclosure edge on the layer designated layer 1 (bottom routing layer). This is a read-only field. Layer 2: Sets the vertical distance from the top and bottom cut edge to the implant enclosure edge on the layer designated layer 2 (top routing layer). This is a read-only field.
Route Status	Indicates the status of the route containing the via. Routed: Indicates normal routing status. Fixed: Indicates a route that should not be edited automatically, though it can be edited manually. Locked/Cover: Indicates a route that should not be edited automatically or manually. The route forms a part of the base array. To edit the route, change the routing status to Routed or Fixed.
Part of a Route	Indicates whether or not the via is part of a route. The following fields are available only for a cdsVia: Metal Purpose: Displays the metal layer purpose. Cut Purpose: Displays the via layer purpose. Other Purpose: Displays the implant and well layer purpose.
MPT Coloring	For a selected via, you can set the colors for Layer1, CutLayer, and Layer2. For all the via layers, the following MPT colors are available: grayColor, mask1Color, mask2Color, and mask3Color.
*Pin*	This section provides options available in Pin Section.
Placement Status	Displays the placement status of the pin in a cyclic field. The choices are Unplaced, None, Placed, Fixed, and Locked/Cover. If the placement status is Unplaced, the instance will not be visible. See Placement Status Valid Values.
Pin Name	Displays the name of the pin.
Terminal Name	Displays the name of the terminal.
Route Method	Displays the routing method of the pin in a cyclic field. The choices are symbolic and geometric. When Update Net Signal Type is enabled, terminals with nets that have a Signal Type of Power or Ground in the schematic are automatically given a Route Method of Geometric when either the Generate All From Source or Update Components and Nets commands are run.

Attributes in the Edit Via Stack Properties Form

The following table describes the fields available on the Attributes tab of the Edit Via Stack Properties form.

Field	Description
Rotation	Displays the current rotation of the via stack.
Justification	Sets the origin of a via stack. Cyclic field choices are: bottom-left, center-left, top-left, bottom-center, center-center, top-center, bottom-right, center-right, or top-right.
Origin: X and Y	Sets the X and Y coordinates of the via stack origin.
Compute From Section	Top Rows and Top Columns: Sets the number of rows and columns for the top via in the via stack. Width and Height: Sets the width and height of the via stack, in user units (typically microns).
Definition Section	Start Layer: Lets you select one of the two layers between which you want to place the via stack. The layer selected in the End Layer list does not appear in the Start Layer list. End Layer: Lets you select one of the two layers between which you want to place the via stack. The layer selected in the Start Layer list does not appear in the End Layer list. Transitions: Via Definitions :Lets you select viaDefs for each layer pair between the specified Start Layer and End Layer.
Cut Class	Displays cut class choices only if a cutClasses constraint has been defined for the cut layer of the selected viaDef in the layerRules section of the technology file.

Virtual Hierarchy / VH Clone Attributes

The following table describes the fields available on the Attributes tab of the Edit Properties form for a virtual hierarchy or clone.

Field	Description
Name	Displays the name of the virtual hierarchy or virtual hierarchy clone.
Master	Displays the library, cell, and view name of the virtual hierarchy or virtual hierarchy clone.
Type	Displays the type of virtual hierarchy or virtual hierarchy clone, Generated or Created.
Frozen	Sets whether the virtual hierarchy or virtual hierarchy clone is frozen or not.
Family	Displays the family of the virtual hierarchy or virtual hierarchy clone.
Origin X and Origin Y	Sets the origin point of the virtual hierarchy or virtual hierarchy clone.
Rotation	Sets whether the virtual hierarchy or virtual hierarchy clone is rotated or mirrored. See Orientation Valid Values.
Number of Members	Displays the number of members in the virtual hierarchy or virtual hierarchy clone.

Placement Status Valid Values

Value	Description
Unplaced	Unplaced instances can be placed and moved. Indicates that the current placement is arbitrary and should be changed. Unplaced objects do not contribute to the bounding box of the containing design, and they will not be returned by a region query.
None	Default value.
Placed	Placed instances can be moved by automatic and interactive commands. Indicates that an effort has been made by the software to place this object but it may be placed in future attempts.
Fixed	Fixed instances can be moved by interactive commands.
Locked/Cover	Locked instances cannot be moved by any commands. The placement of this object should not be changed.

Orientation Valid Values

Value	Description
RO	no rotation
R90	rotated 90 degrees
R180	rotated 180 degrees
R270	rotated 270 degrees
MY	mirrored over the Y axis
MYR90	mirrored over Y, rotated 90 degrees
MX	mirrored over the X axis
MXR90	mirrored over X, rotated 90 degrees

Virtuoso Layout Suite XL: Basic Editing User GuideProduct Version IC23.1, November 2023