-\n Checks the topology of the selected shape to detect self-intersections.
- Returns True if there are no self-intersections. Reports pairs of
- intersected sub-shapes, if there are any.
+This operation checks the topology of the selected shape to detect self-intersections.
+
+\image html measures11.png
+
+In this dialog:
+
+- \b Object - the checked object. \b Selection button allows picking it in the viewer or in the object browser.
+- \b Errors list contains the list of intersections. Select the intersection to show <b>Incriminated Sub-shapes</b> in the field to the right.
+