feri147258 Posted August 17, 2011 Report Share Posted August 17, 2011 Hello frinds.. I want a regullar sampling in an sattelie image like band 6 of landsta ETM.. in this sampling I want extract Latitud and Longitud and DNs to a text file.for example 100 point. but I want this point have same distances.(1000 meters) and automaticaly extracting. I want working this file in ARCGIS.. Anybody can help me ? please thanks for all Quote Link to comment Share on other sites More sharing options...
3dbu Posted August 17, 2011 Report Share Posted August 17, 2011 first make a fishnet and convert this to point or make a random process for generate the fishnet desired and then use in the toolbox in spatial analyst > extraction > extract value to points . regards Quote Link to comment Share on other sites More sharing options...
feri147258 Posted August 19, 2011 Author Report Share Posted August 19, 2011 Thank you 3dbu..but I want this operation in a RS software..like ENVI or ERDAS.. this soloution that you tell not correct..I want extract points aoutomaticaly to a text file .. one column Latitude , one column Longitude and one column Digital numbers of points.. do you undrestand dear? regard Quote Link to comment Share on other sites More sharing options...
3dbu Posted August 22, 2011 Report Share Posted August 22, 2011 follow this process perhaps hepl you: http://www.erdas.com/service/support/Procedures/ExtractingHeightDataFromElevationModels.aspx regards Quote Link to comment Share on other sites More sharing options...
feri147258 Posted August 29, 2011 Author Report Share Posted August 29, 2011 thank you 3dbu..this solution is better bus I find this extention for ArcGIS ..It is very powerfull.. Hawth's Analysis Tools for ArcGIS.. link for download : http://www.spatialecology.com/download/Hawths_Analysis_Tools_for_ArcGIS9.zip best regards for you Quote Link to comment Share on other sites More sharing options...
3dbu Posted August 29, 2011 Report Share Posted August 29, 2011 ok man thks for share it, tell us how did you solve your problem for learn all in this forum. regards Quote Link to comment Share on other sites More sharing options...
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