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Gridlines not plotted correctly with Mollweide and Orthographic projections #1443

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MarkWieczorek opened this issue Jan 19, 2020 · 0 comments · May be fixed by #1538
Open

Gridlines not plotted correctly with Mollweide and Orthographic projections #1443

MarkWieczorek opened this issue Jan 19, 2020 · 0 comments · May be fixed by #1538

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@MarkWieczorek
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MarkWieczorek commented Jan 19, 2020 •
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Gridlines are not being plotted correctly with several projections, including Mollweide and Orthographic. The problem is that the gridlines do not continue all the way to pole, but simply stop at something like 85 degrees.

Here is some simple code to demonstrate the problem

fig = plt.figure()
ax = fig.add_subplot(111, projection=ccrs.Orthographic()
ax.set_title('Orthographic')

orthographic
mollweide
stefraynaud added a commit to stefraynaud/cartopy that referenced this issue Apr 27, 2020
@stefraynaud
Use boundary to compute axes domain in gridliner
6dce1fc 
Fix SciTools#1443
@stefraynaud stefraynaud linked a pull request Apr 27, 2020 that will close this issue
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stefraynaud added a commit to stefraynaud/cartopy that referenced this issue Apr 16, 2021
@stefraynaud
Use boundary to compute axes domain in gridliner
da219bc 
Fix SciTools#1443

Merge the old and the new algo for the axes domain estimate

The coordinates of the outline are simply added to the rasterised coordinates.

In addition, the rasterized coordinates are generated with a non-even number of ticks to make sure to catch the center when bounds are symetric.

Add gridliner_orthographic test

This tests Gridliner._axes_domain

Update figs due to new gridliner axes domain

Fix figure testing for crs

Fix tolerance for test_gridliner

Remove unneeded call to ravel
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Use boundary to compute axes domain in gridliner stefraynaud/cartopy
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@MarkWieczorek