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Calculating Cut-and-Fill Volumes for Area and Line Features
If you have a single area or line feature selected, the Measure Volume option will appear when bringing up the
right-click menu. Selecting this option will allow you to calculate cut-and-fill volumes either within the
selected area or along the selected line feature. For more information about this operation, see the cut-and-fill
section of the Measure Tool help. If you have multiple area features selected you can also calculate the
combined cut-and-fill volume of all of the selected area features.
Working with Feature Measurements (i.e. Length, Enclosed Area)
If one or more area and/or line features are selected, the Add/Update the Measure Attributes of Selected
Feature(s) option will appear when right clicking. Selecting this option will add measurement attributes to the
selected features that do not already have them, or update the measurement attributes of features that do. The
measure attributes include LENGTH for lines and PERIMETER and ENCLOSED_AREA for areas.
In addition to adding/updating the measure attributes for the selected feature(s), the combined length and/or
enclosed area of the selected line and area features will also be reported by this command.
You can also select the Display Feature Measurements option to display a dialog (pictured below) listed the
measurements and attributes of each selected line and area feature as well as the total combined enclosed area
and perimeter/length of the features. This dialog also allows you to easily export the results to a CSV file.
Automatically Inserting Vertices at Line Intersections
Global Mapper User's Manual
If two of more line features are selected, the Insert Vertices at Intersections of Selected Features option will
appear when right-clicking. Selecting this option will find all intersections between selected line features and
insert new vertices in the selected lines at the intersection locations if there are not already vertices at the
intersection. Once the operation is complete you will also be prompted as to whether or not you want to split
the selected lines at the locations where intersections were found.
This is a very powerful command allowing you to make a line network have node-to-node connectivity and
even make sure that lines terminate at intersections if required for your application. This is commonly used for
making routable street maps.
Finding Non-Connected Line Endpoints (i.e. Connectivity Checks)
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