am2 Posted January 21, 2014 Report Share Posted January 21, 2014 Hi, I have two diffrent NDVI for two years I want to find statestic informations of them and compare them.How can I export area of diifrent values in NDVI?Or do you know a better way to compare this two NDVI to show changes? Quote Link to comment Share on other sites More sharing options...
3dbu Posted January 21, 2014 Report Share Posted January 21, 2014 is easy just make in erdas, envi or arcgis and comparison between both NDVI and export the change site, if use erdas you can comparison both image and export the changes....regards 1 Quote Link to comment Share on other sites More sharing options...
sigologo Posted January 21, 2014 Report Share Posted January 21, 2014 Hi am2 mmmmmmmm I need more info, is possible by IDL script for this bye 1 Quote Link to comment Share on other sites More sharing options...
am2 Posted January 22, 2014 Author Report Share Posted January 22, 2014 is easy just make in erdas, envi or arcgis and comparison between both NDVI and export the change site, if use erdas you can comparison both image and export the changes....regards Thank you..I can get change map using change detection in Envi.But I need amount of area in m2 that has been changed..I want to extract statics from NDVI..I don't know how to explain I must classify NDVI again in case of getting area of each class in NDVI? Hi am2 mmmmmmmm I need more info, is possible by IDL script for this bye Sorry I didn't work with IDL..Is is possible?Can you give me some more information how to do it? Quote Link to comment Share on other sites More sharing options...
3dbu Posted January 30, 2014 Report Share Posted January 30, 2014 Did You made and solved your question .? Quote Link to comment Share on other sites More sharing options...
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