Compare GDSII Tutorial

This tutorial is primarily designed to help you get started start with the PollEx Compare GDSII tool.

It is not intended to be a complete reference guide for all available functions, but provides you with an overview of key concepts. Understanding these concepts allows you to learn how to use this tool efficiently with the help of the documentation, by pressing F1 within the PollEx application.

  1. Launch PollEx PCB.
  2. From the menu bar, click File > Open and open the GDSII_Sample.pdbb file from C:\Temp\Altair-PollEx\PollExCompareGDSII.
  3. Export to GDSII.
    1. From the menu bar, click File > Export to > GDSII.
      The GDSII Output Setting dialog opens.
    2. In the GDSII Output Setting dialog, click Add Output Layer to select the layer combination to be output.


      Figure 1.
    3. Set the layers and condition to be output and click OK.


      Figure 2.
    4. Click Export.


      Figure 3.
      The TOP.gds file is exported to the design folder.


      Figure 4.
  4. Compare GDSII.
    The Compare GDSII function verifies the consistency between the data in the specific layer of PDBB and the GDSII file.
    1. From the menu bar, select Tools > Compare GDSII.
      The Compare PDB and GDS2 dialog opens.
    2. For Select PDB Layer, select TOP.


      Figure 5.
    3. For Select GDSII file, select the GDSII file (*.txt).
    4. Click OK.
  5. Compared result.
    After the comparison, the result window appears on the left of PollEx PCB Modeler as shown in Figure 7.
    Figure 6.
    When the comparison function is performed, a layer for displaying GDSII data is added, and GDSII data is input to the corresponding layer.


    Figure 7.