How do I change the appearance of a point?


I have a point cloud that I imported (which resulted in a layer called 'MAPGEN Points').  
There are thousands of points in this file.  An example from that file:

    GM_TYPE=Unknown Point Feature
    DESCRIPTION=ca/bishop-xx-inyo
    NAME="Bishop"
    POINT_SYMBOL=DOT
    FONT_SIZE=12
    FONT_COLOR=RGB(0,0,0)
    FONT_CHARSET=1
    FONT_WEIGHT=400
    LATLON=37.363132:-118.395328
    37.363132    -118.395328

Using a script, I would like to change the appearance of just a single point (the one above) -
from a dot to a tower.  I've been experimenting with the following code, but I haven't found
anything that works:

    EDIT_VECTOR FILENAME="MAPGEN Points" \
        SHAPE_TYPE="POINTS" \
        COMPARE_STR="DESCRIPTION=ca/bishop-xx-inyo" \
        POINT_TYPE="Tower"

What am I missing?

At the same time, can I use the same approach to change the appearance (size/color) of the label?

Any help would be appreciated.

    John


Answers

  • JHallJHall Posts: 12
    To complete this thread, I've copied Mykle's response from:

        https://www.globalmapperforum.com/discussion/14295/layers-exported-to-a-png

        "Nor do I know of ways to script a change to a point-type.  If your file format includes point-type attributes (like your XYZ file does), you can change it there.  I usually keep separate files for each point-type.  I will also use other programs to modify data files, then load the changes into Global Mapper.  That may be more simple than trying to do all of your work in Global Mapper."


    Thanks Mykle, I'll need to re-think my approach.


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