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Raster.tif into ascii format
By Maya007,
Hello,
I was trying to use IDRISI with GIS files. For this i need to convert raster file in .tif format into ASCII to import into IDRISI. Can someone tell me how this could be done. I tried the tool raster to ascii but got error message saying output file is empty.
Could someone tell me why is it so and what should be done.
Thanks a lot,
Maya
ESRI DESKTOP ASSOCIATE Exam
By walidmessaoudi,
i m preparing for ESRI DESKTOP ASSOCIATE Exam and i need some tips about this one .( passing score, kind of questions, wil i pass entry or associate ....) i have 10years work with arcgis thanks for all
Blank spaces in the map to a feature class in arcmap
By Maya007,
Hello,
I have some basic doubts in Arc-Map. Please answer
I want to convert the blank spaces within the map into another feature class. How could that be done?
I have roads and forests in the map now. I want the remaining blank spaces to be like a feature class like polygons or even as raster. How is it possible?
I tried by making a feature class (polygon) covering entire study area and then subtracted roads and forests from this using raster calculator. I then realized it do
Esri training
By intertronic,
sorry for short notice..
there is a free MOOC of "Earth Imagery at Work"
Be aware registration closes the 22nd FEB 2018, so hurry up!
https://www.esri.com/training/catalog/57aba196cbc441087e0d2395/earth-imagery-at-work/
NDVI images with Sentinel 2
By ASalas,
Hello:
I am working with Sentinel 2 images to generate NDVI maps, using QGIS. I create the NDVI image with the raster calculator using the formula NDVI=(NIR-R)/(NIR+R), but I wonder how do other factors such as cloud shadow or the previous treatment of the images. I also would like to know the difference of working with the 1C data or the 2A data to get NDVI values.
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