Given a topographic raster image.
Given a pixel's coordinate in pixel/lines or geocoordinate.
How to get it's pixel value ?
gdalrastertopography
Given a topographic raster image.
Given a pixel's coordinate in pixel/lines or geocoordinate.
How to get it's pixel value ?
Best Answer
1. Get the pixels value: gdal's
gdallocationinfo
allow to access a pixel's value.To only get the value :
Depending on geocoordinate:
Afterwhat you may want to 1. iterate all pixels and 2. apply conditional filter.