This function creates a cell in a GDSII file. All GDS elements (polygons, boxes, references, array references, etc) must be placed inside a cell, so this function must be called before adding any elements. When finished adding elements, gdsendcell can be called to finish the cell. Cells cannot be nested, so after calling gdsbegincell, a new cell cannot be called again until the first called cell has been closed. Although the GDSII file is a flat list of cells, cells can reference other cells, thus creating a nested hierarchy. See gdsaddref for more details. A GDS "cell" exists as a "structure group" when imported to FDTD, see gdsimport for more details.
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Syntax |
Description |
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gdsbegincell(f, "cellname") |
Creates a new cell in a GDSII file. |
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Parameter |
Type |
Description |
|---|---|---|
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f |
string |
a file handle that was previously opened with gdsopen. |
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cellname |
string |
name of the cell. |
Example
An example of script code is available on the gdsopen page.
Note: Just to clarify, a GDS cell is different from a Cell Array in FDTD.
See Also
gdsopen, gdsclose, gdsendcell, gdsaddpoly, gdsaddcircle, gdsaddrect, gdsimport, gdsaddref, gdsaddpath, gdsaddtext