# A map of the Pacific

**URL:** <https://forum.generic-mapping-tools.org/t/a-map-of-the-pacific/6066>\
**Category:** Lounge\
**Created:** [July 22, 2025, 9:48pm UTC](https://forum.generic-mapping-tools.org/t/a-map-of-the-pacific/6066 "2025-07-22T21:48:06Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![Joaquim](https://yyz1.discourse-cdn.com/flex047/user_avatar/forum.generic-mapping-tools.org/joaquim/32/16_2.png) [@Joaquim](https://forum.generic-mapping-tools.org/u/Joaquim)\
**Post date:** [July 23, 2025, 12:38pm UTC](https://forum.generic-mapping-tools.org/t/a-map-of-the-pacific/6066/10 "2025-07-23T12:38:51Z")

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This example may be helpful for that.

> [@Project with PROJ and plot with GMT](http://forum.generic-mapping-tools.org/t/project-with-proj-and-plot-with-gmt/3724/5):
>
> @pwessel, WTF do we have to do to calculate a frame in projections like this one where the frame is not along a constant longitude? julia\> cl = coastlinesproj(proj="+proj=ob\_tran +o\_proj=moll +o\_lon\_p=40 +o\_lat\_p=50 +lon\_0=60"); julia\> grid = graticules(cl); julia\> imshow(grid, plot=(data=cl,), lc=:darkgray)

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