Welcome to the RAS Solution Forums HEC-RAS Help Shift in Terrain Data

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  • #7019
    Rberg
    Participant

    Friends,

    A RASMapper question:
    – my project projection is set and correct
    – my shp files come up in the correct location
    – RASMapper online imagery comes up in the correct place

    BUT when I load my terrain it is shifted 254m northwards? the original file (tif or DEM format) comes up in the correct location in GIS . Looking at the vrt and projection files in a editor, the projection data appears to be the same? The shift appears to occur when HECRAS imports and terrain data?

    Any help would be greatly appreciated.
    thx

    #11677
    benp
    Participant

    Problem solved here with square pixel instead of rectangular.
    http://hec-ras-help.1091112.n5.nabble.com/Problem-with-misaligned-spatial-projection-prj-British-National-Grid-td3753.html#nonehttp://
    I don’t know if this solve your problem.

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