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  1. #11
    Global Mapper User
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    May 2010
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    Ottawa
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    Just another clarification. The image and cross-hairs in ZOOMED VIEW seem to be OK but the RED dot that is placed initially is not. As I mentioned earlier it is offset. In my attempts to move the red dot over the GCP feature I was actually moving the GCPs away from the correct location. So for now I will ignore the GCP red dot.

  2. #12
    Administrator
    Join Date
    Jun 2007
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    16,451

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    This is odd, if you can provide the data (including TIFF, Shapefile, and GMW file with control points) I can take a look and see what is happening. You can email them to support@globalmapper.com if you don't want to post here, or if they are large you can FTP to ftp.globalmapper.com with a username of 'upload' and a password of 'upload'.

    Thanks,

    Mike
    Global Mapper Support
    support@globalmapper.com

  3. #13
    Global Mapper User
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    May 2010
    Location
    Ottawa
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    198

    Default

    FTP site is down. Files are quite large.

  4. #14
    Global Mapper User
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    May 2010
    Location
    Ottawa
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    198

    Default

    It is there now on hte FTP site. I was not able to give you the SHAPE files though (too many). But you can see that when you open the TIF and GCP file alone it plots properly. The GMW file may offer some clues.

  5. #15
    Administrator
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    Jun 2007
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    Thanks I have the files now and can reproduce the issue. Oddly this works fine in the last official v11.02 release and in the latest debug build, but fails in the latest release build. I will investigate to see what is happening.

    Thanks,

    Mike
    Global Mapper Support
    support@globalmapper.com

  6. #16
    Administrator
    Join Date
    Jun 2007
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    16,451

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    I was able to track down the issue and get it fixed. I have placed a new build at http://www.globalmapper.com/global_mapper11.zip with the change for you to try. Simply download that file and extract the contents into your existing v11.xx installation folder to give it a try. If you are using the 64-bit v11 version there is a new build at http://www.globalmapper.com/global_mapper11_64bit.zip .

    Let me know if I can be of further assistance.

    Thanks,

    Mike
    Global Mapper Support
    support@globalmapper.com

  7. #17
    Global Mapper User
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    May 2010
    Location
    Ottawa
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    198

    Default

    My quick reply did not appear for some reason. Anyway just to let you know the results look very promising. The GCPs are now plotting correctly and the raster and vector results coincide at the control points. It is better than I hoped. Thank you Mike for the rapid turn-around and excellent service.

  8. #18
    Global Mapper User
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    May 2010
    Location
    Ottawa
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    198

    Default

    OK one last question. Now that I am satisfied with the triangulation is there a way to apply the rectification results to lat/long vector data (points) that reside on another layer? I think not. The only way I can think of is to get the equivalent pixel coordinates. Which I don't have without some extra work.

  9. #19
    Administrator
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    Jun 2007
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    You can rectify a vector layer by right-clicking on the vector layer in the Control Center and select the option to Reposition the layer. However you couldn't directly use the GCPs that you already have since, as you indicated, they refer to pixel coordinates and not coordinates in the vector layer's coordinate space.

    Let me know if I can be of further assistance.

    Thanks,

    Mike
    Global Mapper Support
    support@globalmapper.com

 

 
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