Raster projection details

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  • November 26, 2010 at 12:15 pm #3414

    stujames
    Participant

    Hi

    I asked a fellow freelancer to create some hill shading for me based on the WGS84 datum as specified, but it doesn’t fit. Is there any other projection info I need to give him?

    Thanks

    Stu

    November 26, 2010 at 3:34 pm #4100

    Nathaniel
    Keymaster

    The linework in Natural Earth is designed to register with SRTM derived relief at less than 1 km per pixel. If he’s using older dem/dtm, its positional accuracy might not match. Or if you’ve zoomed in past 1:10 million scale but are using higher res raster, it will not register due to scale missmatch. What area of the world are you mapping, at what scale?

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