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Color area outside of polygon/shapefile?
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Hi,
I have a shapefile of the U.S.. I am simply looking to fill the outside of this shapefile with a particular color. I'm sure there is a simple solution but cannot find..
Thank you!
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回答(2 个)
Chad Greene
2016-3-9
Hi Ryan,
Perhaps you're looking for setm with the 'ffacecolor' option.
worldmap('world')
geoshow('landareas.shp')
setm(gca,'ffacecolor',rgb('ocean blue'))
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/173462/image.png)
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Chad Greene
2016-4-11
If you have a shapefile, you can simply determine which pixels in your lat/lon grid fall within the bounds of the shapefile's polygon using inpolygon. If your shapefile contains multiple polygons, use Kelly Kearney's inpolygons.
Erin Browne
2019-3-19
Hi I am wondering instead of setting the ocean color how would you do that for the land masses?
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