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I found a rather suprising behaviour of the Instance Properties display of instance arrays. The arrays were produced by the code:
arrbox=cur_layout.create_cell('box') arr_box.shapes(bLayer).insert(DBox(-60.0,-210.0, 1360.0, 1510.0)) Box_vrow=DVector(0.01,1750) Box_vcol=DVector(1450,0.01) cur_layout.cell('Top').insert((DCellInstArray(arr_box.cell_index(), DTrans(), Box_vrow, Box_vcol, 5, 6)))
The DCellInstArray has a proper behaviour, so the placement of the boxes is correct for both cases, but the display in the "Instance Properties" is somehow irritating.
one time with wrong display
one time with correct display
Klayout 0.26.5 downloaded from klayout.de