#17502·openlayers

Reprojecting vector tiles sometimes leads to incorrect display

Author: pjsgCreated May 31, 2026Updated Jun 17, 2026
Labelsbug

Describe the bug In the example: https://openlayers.org/en/latest/examples/vector-tiles-reprojected.html if you zoom/pan the map so that you are near the antipodes, then the map drawing is badly broken.

To Reproduce Steps to reproduce the behavior:

  1. Go to 'https://openlayers.org/en/latest/examples/vector-tiles-reprojected.html'
  2. Click on zoom +, drag the map to center Papua New Guinea, click the zoom + twice.
  3. See
Image

If you use the mouse wheel to zoom in an out, you can get a display like:

Image

Expected behavior It shouldn't have the diagonal stripes of land.

In my app, I'm actually using proj=aeqd and trying to display the whole globe. Things go very badly wrong -- but that could be issues in my code. However, the reproduction above doesn't use any of my code.