Product Documentation
Virtuoso Layout Suite XL: Basic Editing User Guide
Product Version IC23.1, November 2023

Edit Cellview Properties Form

Use the Edit Cellview Properties form to edit the properties of a cellview.

Field Description

Attribute

Represents the characteristics of the object. None of these fields can be changed.

  • Library: Displays the name of the library containing this cellview.
  • Cell: Displays the name of this cell.
  • View: Displays the name of this view.
  • bBox: Displays the coordinates of the invisible box surrounding the design in the cellview.
  • Type: Displays the view type that corresponds to the view name for this cellview. View types are defined in your technology file.
  • DBU per micron: Displays the number of database units (DBU) per user unit (usually microns). Database units and user units are defined in the .cdsenv file or by the library manager.
  • Mode: Shows whether this cellview is opened in edit mode (Edit) or read-only mode (Read).
  • Save Needed: Shows whether you made changes to this cellview that need to be saved to disk.
  • CellType: Displays the various cell types available. You can select one from the list to set the cell type of the current cellview. For information about cell types, see Cell Types.

  • Symmetry Type: Defines the orientation of this cell. The valid values include no, X, Y, XY, and any.
  • SitePattern
    • Site Definition cyclic field: Displays all the siteDefs defined in the technology file. Select a site definition from the list to set it for the current cellview.
    • Origin: displays the position associated with the sitePattern.
    • Rotation: Lists the possible rotation values that can be associated with the sitePattern.
You can alternatively set the sitePattern for a cellview using SKILL in the CIW. For example, to set the sitePattern for a design with site definition as Core, type the following in the CIW:

geGetEditCellView()~>sitePattern = list(list(“Core” list(0.0 0.0) “R0”))

Property

Shows the properties for this cellview. Most properties correspond to settings in the Display Options form. Other Cadence applications such as DRC or Extract can also add properties.

  • Add: Opens the Open Property form, which lets you add a new cellview property.
  • Delete: Deletes a selected property created with Add.
  • Modify: Opens the Modify Property form, which lets you change the definition for any property created with Add.

Certain options in the Edit Cellview Properties form appear disabled, such as the Connectivity, Parameter, and ROD tabs and the Next and Previous buttons. These options are not available when you edit cellview properties, and are applicable when you edit objects within a cellview.

Related Topics

Attribute Tab of Various Objects

Site Definitions

Adding a New Cellview Property


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