Rick Richardson wrote:
Sorry, I have been there. It shows a BW photo of my TIF image in diag.tif. And -dihvglLIcrsonap shows colors and lines.
If -dipn shows nothing, then you have a severe problem with the automatic chart recognition. It should show the patch outlines, patch labels and areas sampled. If (for instance) the chart template has been placed out of the raster, then you will get nonsense patch values. Graeme Gill.