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Searching for the best way to rasterize layout data, i.e. generate a bitmap

caver456

We would like to generate a single-bit ('black-and-white') raster / bitmap from a certain cell in Virtuoso Layout for each of a set of layers.

The cell size / grid size / pixel size for us would be 2.625 x 2.625 microns, but that may change.  We would generate the raster over some area of our top level layout, so, we're looking at potentially low thousands of pixels in each dimension.

Criteria would probably be simple; maybe as simple as "if that cell contains any (>0%) of the layer in question, the pixel value will be 1, otherwise it will be 0".

We would like to create a separate raster for metal1, a raster for via1, a raster for metal2, a raster for via2, and a raster for metal3... the point being, we have a small fixed set of layers and we'd like one raster per layer.

SKILL might not be the best fit... maybe Diva or Dracula or Assura or Calibre, or an external program looking directly at the GDS data?  An idea or solution in SKILL or any one of those other tools would be very helpful.  This forum seemed like the best venue for the question

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  • I've had success exporting top-level captures of selected layers to .png files using the SKILL function hiExportImage. You are able to specify a specific coordinate region so it should work for what you're trying to accomplish.

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  • I've had success exporting top-level captures of selected layers to .png files using the SKILL function hiExportImage. You are able to specify a specific coordinate region so it should work for what you're trying to accomplish.

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