To Compare Images by Setting Visibility
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The ECAD Compare tool has the following limitations when comparing regions:
• The Visible Layers and Sublayers in Active View setting, to select objects by visibility, does not work for regions
• Differences between regions on the inner layers of a design may not be found
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2. Click OK, and then click OK in the message dialog box. The Quick Results appear.
3. Adjust the visibility of the designs:
◦ Show layers and sublayers to compare.
◦ Hide the layers and sublayers to exclude.
4. Click > . The
Compare Settings dialog box opens.
5. On the Image tab, under Layout, select Visible Layers and Sublayers in Active View.
6. To compare the visible layers as a group, select the Merge All check box. To compare each layer individually, clear the check box.
7. Accept the default values for the following parameters, or set new values:
◦ Image Tolerance
◦ Image Grid Size
◦ Exclude image differences smaller than this threshold
8. Click OK. The dialog box closes.
9. Click > . The comparison is performed, and the Full Results appear.