Defining the central longitude in Arctic borders in the Arctic Mapping Tool
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Ashfaq Ahmed
am 5 Dez. 2023
Kommentiert: Ashfaq Ahmed
am 5 Dez. 2023
Hi! I am curretnly using ArcticMappingToolbox to plot the Arctic borders. But automatically it uses 45°W as the central longitude (based on the NSIDC stereographic system). Like in this figure -
But I want the 0* to be the central longitude like this -
Can anyone please help me with either a) how can I rotate the arcticborders.m function? or b) create a stereographic grid that has 0* as central longitude?
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Chad Greene
am 5 Dez. 2023
Try this. Into the Command Window type
open arcticborders
Then find the line where it loads the border data. Try adding this right after that line:
load('arcticborderdata.mat');
for k = 1:177
% unproject:
[lat,lon] = psn2ll(x{k},y{k});
% reproject:
[x{k},y{k}] = ll2psn(lat,lon,'meridian',0);
end
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