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ongeprojecteerd
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inderdaad ellipsoĂŻdische ETRS89-hoogte (~40m boven NAP)
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Deze DEM is output van photogrammetry; hier is epsg:4258 gekozen als output CRS
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graag weer als geotif (maar met een extra gdal stap kan volgens mij ascii → geotif vrij makkelijk)
Hieronder voor de volledigheid de gdalsrsinfo output
PROJ.4 : +proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs
OGC WKT2:2018 :
BOUNDCRS[
SOURCECRS[
GEOGCRS[“ETRS89”,
DATUM[“European Terrestrial Reference System 1989”,
ELLIPSOID[“GRS 1980”,6378137,298.257222101004,
LENGTHUNIT[“metre”,1]]],
PRIMEM[“Greenwich”,0,
ANGLEUNIT[“degree”,0.0174532925199433]],
CS[ellipsoidal,2],
AXIS[“geodetic latitude (Lat)”,north,
ORDER[1],
ANGLEUNIT[“degree”,0.0174532925199433]],
AXIS[“geodetic longitude (Lon)”,east,
ORDER[2],
ANGLEUNIT[“degree”,0.0174532925199433]],
ID[“EPSG”,4258]]],
TARGETCRS[
GEOGCRS[“WGS 84”,
DATUM[“World Geodetic System 1984”,
ELLIPSOID[“WGS 84”,6378137,298.257223563,
LENGTHUNIT[“metre”,1]]],
PRIMEM[“Greenwich”,0,
ANGLEUNIT[“degree”,0.0174532925199433]],
CS[ellipsoidal,2],
AXIS[“latitude”,north,
ORDER[1],
ANGLEUNIT[“degree”,0.0174532925199433]],
AXIS[“longitude”,east,
ORDER[2],
ANGLEUNIT[“degree”,0.0174532925199433]],
ID[“EPSG”,4326]]],
ABRIDGEDTRANSFORMATION[“Transformation from ETRS89 to WGS84”,
METHOD[“Position Vector transformation (geog2D domain)”,
ID[“EPSG”,9606]],
PARAMETER[“X-axis translation”,0,
ID[“EPSG”,8605]],
PARAMETER[“Y-axis translation”,0,
ID[“EPSG”,8606]],
PARAMETER[“Z-axis translation”,0,
ID[“EPSG”,8607]],
PARAMETER[“X-axis rotation”,0,
ID[“EPSG”,8608]],
PARAMETER[“Y-axis rotation”,0,
ID[“EPSG”,8609]],
PARAMETER[“Z-axis rotation”,0,
ID[“EPSG”,8610]],
PARAMETER[“Scale difference”,1,
ID[“EPSG”,8611]]]]