Changes between Version 16 and Version 17 of WKTRaster/SpecificationWorking01


Ignore:
Timestamp:
04/16/09 08:08:22 (16 years ago)
Author:
pracine
Comment:

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  • WKTRaster/SpecificationWorking01

    v16 v17  
    146146
    147147----
    148 Open Question: When exporting a multiband raster to JPEG, TIFF, PNG, SVG or KML, how should we specify the band number in the exporting function.
     148'''Open Question:''' When exporting a multiband raster to JPEG, TIFF, PNG, SVG or KML, how should we specify the band number in the exporting function.
    149149
    150150There is two options to select the band to convert from a multiband raster in all the RT_AsFormat functions. [[BR]]
    … …  
    171171
    172172----
    173 Open Question: Is JPEG export limited to raster having 8 bit unsigned integer pixeltype (8BUI)?
     173'''Open Question:''' Is JPEG export limited to raster having 8 bit unsigned integer pixeltype (8BUI)?
    174174
    175175[http://www.gdal.org/frmt_jpeg.html See how GDAL do it]. It converts only 8 bits rasters. Should we do the same?
    … …  
    195195
    196196----
    197 Open Question: Is JPEG export limited to raster having 1 or 3 bands?
     197'''Open Question:''' Is JPEG export limited to raster having 1 or 3 bands?
    198198
    199199[http://www.gdal.org/frmt_jpeg.html See how GDAL do it]. It converts only 1 or 3 band rasters. Should we do the same? In this case 1 band rasters would be exported as a greyscale JPEG having R G and B identical and 3 band rasters would be interpreted as R, G and B.
    … …  
    210210
    211211----
    212 Open Question: What if we want to export only the first two band of a three band layer?
     212'''Open Question:''' What if we want to export only the first two band of a three band layer?
    213213
    214214Maybe we need a RT_RasterFromBands(band1,band2,etc...) to reconstitute a multiband raster from multiple sources (having the same width, height, pixelsize, etc...)