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Add the Spilhaus projection to the supported GMT projections#4657

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Add the Spilhaus projection to the supported GMT projections#4657
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@Chuan1937 Chuan1937 commented May 25, 2026 •
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Add the Spilhaus projection to the supported GMT projections.

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Fix: #4656

@Chuan1937 Chuan1937 self-assigned this May 25, 2026
@Chuan1937 Chuan1937 added this to the 0.19.0 milestone May 25, 2026
seisman
seisman reviewed May 26, 2026
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Comment thread doc/techref/projections.md Outdated
Comment thread examples/projections/misc/misc_spilhaus.py
Chuan1937 and others added 2 commits May 26, 2026 13:01
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Update doc/techref/projections.md
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Co-authored-by: Dongdong Tian <seisman.info@gmail.com>
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seisman
seisman reviewed May 26, 2026
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Comment thread examples/projections/misc/misc_spilhaus.py Outdated
Chuan1937 and others added 2 commits May 27, 2026 12:17
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seisman commented May 28, 2026

It seems filling water/land masses are not 100% correct for the Spilhaus projection.

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yvonnefroehlich commented May 28, 2026

It seems filling water/land masses are not 100% correct for the Spilhaus projection.

Looks like this is an know issue, see GenericMappingTools/gmt#8745 (comment).

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seisman commented Jun 3, 2026

It seems filling water/land masses are not 100% correct for the Spilhaus projection.

Looks like this is an know issue, see GenericMappingTools/gmt#8745 (comment).

Maybe we can just plot the coastlines in this example, and add a note that filling land/water doesn't work well?

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Chuan1937 commented Jun 4, 2026

It seems filling water/land masses are not 100% correct for the Spilhaus projection.

Looks like this is an know issue, see GenericMappingTools/gmt#8745 (comment).

Maybe we can just plot the coastlines in this example, and add a note that filling land/water doesn't work well?

So far so good

@seisman seisman added documentation Improvements or additions to documentation needs review This PR has higher priority and needs review. labels Jun 4, 2026
seisman
seisman reviewed Jun 5, 2026
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Comment thread examples/projections/misc/misc_spilhaus.py Outdated
Chuan1937 and others added 2 commits June 5, 2026 11:33
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Add the Spilhaus projection to the supported GMT projections

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