Hi,
It's possible to use FME Desktop to obtain indices like NDVI from images without downloading them?
Thank´s
Question
Download NDVI index
+65- Celebrity
You can directly reference the image url in a reader, but it is going to ‘download’ it regardless, in this case, store it in a temporary location.
It’s also going to be quite a bit slower to read in the data than it would if you were accessing a file on your local machine
+23- Contributor
I guess if you store your rasters in a database format you could run SQL to get the pixel value for a known point and let the database do the work for you.
For PostGIS ST_Value() would be your choice for a SQL function.
