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for loop problem for beginner [message #93808]

Tue, 25 October 2016 04:38

Suresh Negi
Messages: 28
Registered: August 2016

Junior Member

Hi, I have one image of size 91x76 in which there are values at some point and rest are zeros. So I want to extract only values and wana save them in column of csv format.
here b1 is the raster image to which i want to save in array a.
But not working please help...and how to save result in csv format so that I can get the values in excel column.

e = ENVI()
file = 'C:\Auto_Classification\Delhi\A10.tif'
raster = e.OpenRaster(file)
b1 = raster.GetData(BANDS=[0])
help,b1
a= intarr(1000)
k=0
for i=0,90,1 do for j=0,75 do begin
if (b1(i,j) ne 0) then begin
a(k)=b1(i,j)
k=k+1
endif
endfor
print,a
end

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[Message index]

		for loop problem for beginner By: Suresh Negi on Tue, 25 October 2016 04:38
		Re: for loop problem for beginner By: Helder Marchetto on Tue, 25 October 2016 04:48
		Re: for loop problem for beginner By: Suresh Negi on Wed, 26 October 2016 04:19
		Re: for loop problem for beginner By: Helder Marchetto on Wed, 26 October 2016 04:27

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