CRS mismatch or I do not know

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Bat Baasan
Bat Baasan 2024-5-1
回答： UDAYA PEDDIRAJU 2024-5-7
I am working on Matlab project and need some help. I am not quite sure whether it is between CRS or misalignment where 2 or the same coordinate reference systems. Attached is blend of two images: the raster image that uses EPSG:4326 WGS84 CRS, downloaded from https://www.igismap.com/mongolia-shapefile/ that is converted to .tif and image exported from Google Earth Pro. Unfortunately, Google Image is very large and following is a snap shot. As one can see that blue line is border of territory and raster is projecting over it. Thanks for the help.

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回答（1 个）

UDAYA PEDDIRAJU
UDAYA PEDDIRAJU 2024-5-7
Hi Bat,
It appears you're facing a Coordinate Reference System (CRS) mismatch between your raster image (EPSG:4326 likely) and the Google Earth image.
This mismatch causes misalignment between the border and background.
  • Confirm your raster image's CRS.
  • Check Google Earth image's CRS information (might be in properties/export settings).
  • If CRS differ, refer to the following documentation to know how to align them (refer to https://www.mathworks.com/help/map/ref/geocrs.html and https://www.mathworks.com/help/map/reprojection-of-graphics-objects.html for details).

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