Comments (2)
EDIT: My mistake, this issue isn't directly to do with the clockwise confusion, just examining it in a testbed.
I'm not absolutely sure I understand what you are describing:
In both cases, it seems to be correctly merging two polygons to form one, there are no holes, so the polygon is returned in the same orientation in each case (counterclockwise it seems).
The doc states:
The operation may result in an outer polygon (boundary) and multiple inner polygons (holes) produced which could be distinguished by calling is_polygon_clockwise().
It doesn't actually specify which is which (if I am reading it correctly), so maybe a counter clockwise result is expected.
The doc could arguably be clarified here though to say e.g. counterclockwise for the boundary, and clockwise for the hole. Although this could be confusing due to #92154, so it is understandable why this might not have been mentioned.
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In both cases, it seems to be correctly merging two polygons to form one, there are no holes, so the polygon is returned in the same orientation in each case (counterclockwise it seems).
Yes this is the spirit.
In my case, I input some cw polygons and expected a cw one. And I don't know why the union of two Clock-Wise polygons will produce a counter-clock-wise polygon. The document just ignore this point, so my solution is to reserve the output array.
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