Cut out piece of matrix

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yoni verhaegen
yoni verhaegen 2017 年 3 月 24 日
回答済み: Iddo Weiner 2017 年 3 月 24 日
Hello,
I have two files, DEM1 and DEM2 (see attachment). DEM1 has X,Y,elevation and DEM2 has NR,POINT,X,Y,glacier. I want to use the shape of a glacier (given by 0 = no glacier and 1 = glacier in the last column of DEM2) to cut out a piece of DEM1. Basically, I just want the DEM1 to display the elevation data in the shape of the glacier only, so I need to 'cut out' the shape of the glacier within the DEM. But the coordinates do not seem to match properly...
Can this be solved?
Thanks!

回答 (1 件)

Iddo Weiner
Iddo Weiner 2017 年 3 月 24 日
T1 = readtable('Dem1.txt');
T2 = readtable('Dem2.txt');
Glacier_yes = find(T2.(5));
T1 = T1(Glacier_yes,:);
now T1 is a table holding data that corresponds only to entries where glacier variable was 1.

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