extract data based on certain range of other coloumn

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TAPAS 2020 年 4 月 23 日
I have attached an xlsx file which have four coloumns the first two coloumn are latitude and longitude .I want to extract data based on the condition 102.7<=long<=105.2 and 30.6<=lat<=32.2.


Sulaymon Eshkabilov
Sulaymon Eshkabilov 2020 年 4 月 23 日
The answer is quite simple;
  1. Import data: D=xlsread('data.xlsx');
  2. Sort out the data w.r.t the conditions using logical indexing e.g.:
Lat = D(:,1);
Lon = D(:,2);
DN = D(:,3);
DD=D(:, 6);
Index =Lon>= 102.7 & Lon<=105.2 & Lat>=30.6 & Lat<=32.2;
DEnew = DE(Index);
etc.. etc.
  3 件のコメント
TAPAS 2020 年 4 月 23 日
Can I extract data bounded by an area like here inthis case if the lat long value of the four corner of the area is Corner 1:-lon=105.475 lat=32.549 Corner 2:-lon=102.987 lat=30.697 Corner 3:-lon=102.761 lat=30.919 Corner 4:-lon=105.249 lat=32.771 I want to extract data within the area which is bounded by these four corner. Can you do this?
Sulaymon Eshkabilov
Sulaymon Eshkabilov 2020 年 4 月 23 日
again use the indexing option around corner boundaries with <= and >=


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