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Thread: Georeference a Shapefile?

  1. #1
    Lisa D
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    Lightbulb Georeference a Shapefile?

    A coworker gave me 2 shapefiles which he had exported from Surpac. The shapefiles are not in a real world coordinate system but he would like me to create a map of boreholes in reference to a contour map from Surpac. If I do that the map still won't be georeferenced and the map won't be very useful. I have the USA topo from ESRI and wondered if I could somehow match the topo (just lines) exported from Surpac with the topo from ESRI so I could give the points real world coordinates?

  2. #2
    Jonathan Quinn

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    Default Re: Georeference a Shapefile?

    I'd suggest you look into this KB article to create a custom projection file for your data, (this process will work for any data, not just CAD as the title implies). Use the topo map as a reference to line up your shapefile data.

  3. #3
    Lisa D
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    Default Re: Georeference a Shapefile?

    This may not work with the topo file. When I did the first step (adding in the X direction) my topo is now only showing a line centered around Africa and the United States does not appear.

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