GenericMappingTools/gmt

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The Generic Mapping Tools

Stars: 979
Forks: 414
Open beginner issues: 0
Indexed issues: 186
Avg merge: 17h 26m
Merged PRs (30d): 54

Dominant language: C
License: No license data
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Open All

186 issues indexed so far

psmeca dump option Open

feature request

GenericMappingTools/gmt#80 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Discussion: Improve -B for GMT 6 via long-format options Open

discussion

GenericMappingTools/gmt#254 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Let MAP_LABEL_OFFSET accept also a begin|end justification Open

feature request

GenericMappingTools/gmt#883 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
time varying corrections in x2sys_datalist Open

bug

GenericMappingTools/gmt#1264 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Obtain BoundingBox on truly large maps Open

longterm

GenericMappingTools/gmt#1553 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Update tutorial/session-4.html#multi-dimensional-maps to WOA18 Open

documentation enhancement

GenericMappingTools/gmt#2289 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Debug GMT with Visual Studio on Windows Open

GenericMappingTools/gmt#2398 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
GMT sometime gives garbled Chinese characters Open

longterm

GenericMappingTools/gmt#2401 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Slow processing of large, compressed netCDF files tied to a small chunk size Open

longterm

GenericMappingTools/gmt#2402 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
The option --FORMAT_GEO_MAP is ignored for some combinations of -JX... and -f... Open

longterm

GenericMappingTools/gmt#2434 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Reduce the sizes of the repository and release tarballs Open

longterm

GenericMappingTools/gmt#2681 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Custom fonts, ex31, and better handling Open

GenericMappingTools/gmt#2749 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Have "true" bezier splines on spheres Open

feature request

GenericMappingTools/gmt#3058 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
A smarter selection of the region when using -R...r with non-cartesian projections Open

enhancement

GenericMappingTools/gmt#3099 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Document how to add new custom supplements for third-party developers Open

discussion documentation

GenericMappingTools/gmt#3127 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Changing a grid's scale_factor Open

longterm

GenericMappingTools/gmt#3268 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Support draping images over parts of a grid with grdview Open

feature request

GenericMappingTools/gmt#3287 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
gdal_read is not filling out the pixels correctly (?) Open

longterm

GenericMappingTools/gmt#3294 · 22 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Need instructions for adding a new example Open

documentation

GenericMappingTools/gmt#3300 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Instructions for adding a new module Open

documentation

GenericMappingTools/gmt#3313 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Different line styles as example in the Gallery or Cookbook Open

documentation longterm

GenericMappingTools/gmt#3320 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Robust handling of filename modifiers Open

bug

GenericMappingTools/gmt#3383 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
The quiet ignoring of deprecated GMT 4 options Open

discussion

GenericMappingTools/gmt#3456 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Let pscoast -E also be able to set clip path via -Gc or -Sc Open

feature request

GenericMappingTools/gmt#3663 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Converting between fill argument and fill structure Open

GenericMappingTools/gmt#3700 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
grdcontour -C & externals is wrong Open

stale

GenericMappingTools/gmt#3701 · 18 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Passing in virtual files into the supplementary x2sys modules Open

longterm

GenericMappingTools/gmt#3717 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
grdinfo on tiled files may be overkill Open

feature request

GenericMappingTools/gmt#3767 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add instructions to debug GMT when called in Julia, MEX and PyGMT Open

documentation

GenericMappingTools/gmt#3778 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
GMT_Write_Data for netCDF grids changes the grid Open

bug

GenericMappingTools/gmt#3800 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
MAP_LOGO doesn't work as documented Open

GenericMappingTools/gmt#3902 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Creating Custom Pens Open

feature request

GenericMappingTools/gmt#3929 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Better handling of tiled grids Open

feature request

GenericMappingTools/gmt#3973 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
gmt get -Dgshhg and -Ddcw Open

feature request

GenericMappingTools/gmt#4040 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
legend: clearances between legend items and the box border Open

GenericMappingTools/gmt#4101 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
grdproject with -Js looses the true scale parameter when converting to PROJ4 Open

GenericMappingTools/gmt#4138 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
psconvert fails to properly reference a Mercator map Open

GenericMappingTools/gmt#4193 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
subplot debug mode Open

bug

GenericMappingTools/gmt#4221 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Problem controlling frame annotation in subplot Open

GenericMappingTools/gmt#4235 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Let gmtmex be a regular GMT supplement Open

GenericMappingTools/gmt#4245 · 34 comments · 0 reactions · 3 assignees · Indexed Sep 16, 2026
Imperfect cropping or BoundingBox calculation Open

stale

GenericMappingTools/gmt#4302 · 16 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Matrix grid doesn't always work with different central meridians Open

bug

GenericMappingTools/gmt#4335 · 14 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
colorbar overlaping annotations Open

GenericMappingTools/gmt#4343 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
The pros and cons of the GMT grid padding Open

discussion

GenericMappingTools/gmt#4358 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Vertical exaggeration for Profiles Open

feature request

GenericMappingTools/gmt#4367 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add figures to examples of the docs Open

documentation

GenericMappingTools/gmt#4379 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Symbols are sized in unit inches instead of centimetres when using -i Open

stale

GenericMappingTools/gmt#4386 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Global image rotation and placement Open

bug longterm

GenericMappingTools/gmt#4440 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Ability to place seismological/geological symbols in legends Open

feature request

GenericMappingTools/gmt#4445 · 21 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
sphdistance can miss some nodes Open

bug

GenericMappingTools/gmt#4511 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

GenericMappingTools/gmt

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