How can I plot a latitude / longitude point on a geotiff? (Without mapping toolbox.)

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Jon
Jon 2017-5-17
评论： Jon 2017-5-18
Hi. I have some geotiffs in geographic coordinates (WGS84) from various areas around the globe. I also have a list of points, defined by coordinates, that mark points of interest.
How can I plot the geotiff, then plot all the points within the geotiff domain in their correct position? Ultimately I need the x,y position of each point within the geotiff image.
To make matters more complicated, I don't have the Mapping Toolbox. I am using geoimread from the FEX to read the geotiff image and metadata.
Any ideas are appreciated. Thanks!

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KSSV
KSSV 2017-5-18
[A,x,y,I]=geoimread('your tif file') ;
pcolor(x,y,A)
x,y, are latitude and longitude vectors, A is your raster data. I is a structure which gives you complete information of the tiff file.

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