On Nov 27, 2018, 10:59 AM, at 10:59 AM, Arun Govind <[email protected]> wrote: >Hi, >I need some help and inputs with serving imagery using GeoServer as I'm >new to it. Thanks in advance. > >I downloaded 32 bit float TIFF images from Sentinel Hub to serve with >GeoServer to a OpenLayers and JavaScript web map frontend. >https://sentinelhub-py.readthedocs.io/en/latest/examples.html > >Tiff images are: >multi-band (3 bands) - true color, false color >single-band (1 band) - NDVI, NDWI > >For some reason, by default QGIS automatically assigns an alpha band >(eventhough there's none) and sets transparency based on it and don't >display and I had to manually set transparency as "none" or "no" to see >the image. ArcMap correctly loaded the images by default. > >My questions: >1) Does GeoServer support 32-bit float images and correctly display >them? > >2) What is the recommended process to stylize or color single-band >greyscale images? E.g. NDVI values ranging from -1 to +1? Can I use >.clr, .sld files? > >3) Do I need any extra plugins for GeoServer? > >4) I will have several hundred small images for multiple dates. Is it >easier if I make a mosaic and add images to it and just style the >mosaic once rather than style each small image? What's the best way to >do this? > >5) The web map is to do both visual (colors) and numerical info (pixel >values on click). So is it easier if images are imported into PostGIS >and then brought to GeoServer? > >Cheers, >Arun
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