How to write lat,lon,data into geotiff with matlab?
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I have the following (attachment):
- 2D latitude file (240x446)
- 2D longitude file (240x446)
- 2D surface elevation change data (240x446)
How can I write these into a 2D grid geotiff file? I tried the following, but it only works for lat, lon arrays (1x240 and 1x446)...
% WRITE TO GEOTIFF
R = maprasterref( ...
'RasterSize', size(Z_2017_2018), ...
'XWorldLimits', [double(min(y(:))) double(max(y(:)))], ...
'YWorldLimits', [double(min(x(:))) double(max(x(:)))], ...
'ColumnsStartFrom', 'north', ...
'RowsStartFrom', 'west', ...
'RasterInterpretation', 'postings');
key = struct( ...
'GTModelTypeGeoKey',[], ...
'GTRasterTypeGeoKey',[], ...
'ProjectedCSTypeGeoKey',[]);
key.GTModelTypeGeoKey = 1;
key.GTRasterTypeGeoKey = 2;
key.ProjectedCSTypeGeoKey = 3413; % Greenland Polar Stereographic
geotiffwrite('gmb_GrIS_2017_2018.tif',Z_2017_2018,R,'GeoKeyDirectoryTag',key)
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Answers (2)
Nitin Kapgate
on 11 Jan 2021
You can refer to a similar question answered here. The provided solution makes use of georasterref and geotiffwrite function to write the lattitude and longitude data to the GeoTiff file.
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