Map GPS Coordinates - GPS Map Coordinates ... - Global Mapper
Map GPS Coordinates - GPS Map Coordinates ... - Global Mapper
Map GPS Coordinates - GPS Map Coordinates ... - Global Mapper
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If two of more line features are selected, the Find Non-Connected Line Endpoints option will appear when<br />
right-clicking. Selecting this will display a dialog allowing you to either mark all line endpoints that do not<br />
connect to an endpoint (not an interior vertex) of another selected line or those line endpoints that don't<br />
connect and are within some distance of another selected line endpoint. This is a very useful feature for<br />
allowing easy identification and fixing of connectivity issues within loaded vector data.<br />
Any line endpoints that do not connect based on the selected criteria will be displayed with a blue circle over<br />
that endpoint. Once you think you have fixed the connectivity issues at a location, simply re-run the command<br />
to find the non-connected line endpoints to update the display of the blue circles (they are not automatically<br />
updated as you join line endpoints).<br />
Finding Nearby Points<br />
If two of more point features are selected, the Find Selected Points Within ??? Meters of Other Selected<br />
Points option will appear when right-clicking. Selecting this will display a dialog allowing you to specify a<br />
search distance. Any selected point features that are within the specified search distance of another selected<br />
point feature will be displayed with a blue circle over that point. If you delete or move some points to remove<br />
duplicates (the primary use of this tool), simply re-run the command to find the to update the display of the<br />
blue circles (they are not automatically updated as you edit the data).<br />
Flattening Terrain Using Area Features<br />
<strong>Global</strong> <strong>Map</strong>per User's Manual<br />
If one or more area features are selected, the Advanced Feature Creation Options->Create/Flatten Terrain<br />
from Selected Area Feature(s) option will appear when right-clicking. Selecting this option will allow you to<br />
create a new elevation grid covering the selected area features that has all points within the selected area<br />
feature(s) set to the elevation of those area features. Any portions of the new elevation grid outside of the area<br />
features will be set to invalid, allowing any underlying terrain to show through. If you also select the option<br />
that elevations are relative to the height of any underlying terrain, the new terrain surface will have heights<br />
equal to the original height of the terrain at each sample location within the area offset by the elevation value<br />
of the area feature. This functionality is useful for adjusting all elevation values within an area by some<br />
amount (the area elevation).<br />
This feature provides a very easy way to do things like flatten an area, like a lake, in underlying terrain layers.<br />
Just assign an ELEVATION attribute to your area feature, then select it and choose this option to flatten<br />
everything inside that area to the elevation attribute value. This is also a nice way to create an elevation grid<br />
representing a city-scape from building outlines with ELEVATION attributes.<br />
Adding Address Information to Points from Nearby Road Features<br />
If one or more point features are selected, the Add Address Information from Roads to Selected Point(s) option<br />
will appear when right-clicking. Selecting this option will cause each point to be examined to find the nearest<br />
line feature, and, if it contains addressing information, for the address of the nearest point on the line to the<br />
point feature to be stored as address attributes with the point feature. A dialog will appear to prompt you for<br />
how far from each point that you want to search for a line feature with addressing information.<br />
The following attribute names for line features are recognized as containing address information:<br />
• FR_ADDR_R, R_FROM_ADR - starting address number on the right side of the road<br />
• FR_ADDR_L, L_FROM_ADR - starting address number on the left side of the road<br />
• TO_ADDR_R, R_TO_ADR - ending address number on the right side of the road<br />
<strong>Map</strong> <strong>GPS</strong> <strong>Coordinates</strong> - <strong>GPS</strong> <strong>Map</strong> <strong>Coordinates</strong> - <strong>GPS</strong><strong>Coordinates</strong> <strong>Map</strong> 194