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Map GPS Coordinates - GPS Map Coordinates ... - Global Mapper

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Once you have completed have completed creating the area, the Digitizer Tool will remain in the area creation<br />

mode, so you can simply start left-clicking to draw another area, or right-click to choose a different mode.<br />

You can also create new area features from selected line features by selecting a collection of lines, then<br />

right-clicking and selecting the Advanced Feature Creation Options->Create New Area Feature(s) from<br />

Selected Line Feature(s) menu command. This will attempt to connect the selected line features to build area<br />

features. All line features will be connected as far as possible, then closed to create a new area feature. When<br />

you select this option, the dialog shown below will appear allowing you to setup the rules governing how<br />

areas will be formed. The rules have the following meanings:<br />

• Only Connect Lines that Match the Attributes of the Line Being Connected To - If checked, this<br />

option indicates that line features will only connect to other line features that have compatible labels,<br />

descriptions, and attributes.<br />

• Require Connected Results to be Fully Closed Before Creating Area - If checked, this option indicates<br />

that only connected line paths that fully close to form a complete area will be turned into areas. If not<br />

checked, any path will be closed with a straight line between the two endpoints once no more<br />

connections can be found.<br />

• Create Multiple Areas if All Lines Don't Connect - If checked, this option indicates that if all of the<br />

selected lines don't connect to form a single path, then multiple area features will be generated, one<br />

for each independent connected path.<br />

Creating New Line Features<br />

<strong>Global</strong> <strong>Map</strong>per User's Manual<br />

After selecting the Create New Line Feature (Vertex Mode) popup menu option, you can proceed to draw a<br />

new line feature with the mouse. To draw the feature, simple left click at each place that you'd like to drop a<br />

vertex. To finish the line feature, right click at the desired location of the last vertex. You can cancel creation<br />

of the new line at any time by pressing the Escape key. Note that while drawing the line in Vertex Mode you<br />

can use the Snapping feature to help align the line with existing features.<br />

You can also choose to draw a line using the Create New Line/Area Feature (Trace Mode) popup menu<br />

option. To draw the feature, simple press the left button to start the line/area, then trace the path to draw using<br />

your mouse while keeping the left button pressed. To finish the feature, simply release the left button. You<br />

can cancel creation of the new feature at any time by pressing the Escape key or just releasing the left button<br />

then pressing Cancel on the dialog that appears. If you are using a digitizing table just select this mode, then<br />

press down the pen to start, trace the path, then release it to end. If your drawn path is nearly closed, you will<br />

be asked whether to create a closed area feature from the path or just keep it as a line feature.<br />

Once you've completed drawing the line, the Modify Feature Info dialog will appear allowing you to setup the<br />

label, classification, drawing style, and attribution for the line. The length of the line feature will be added as a<br />

default attribute. The units for the length measurement can be modified on the General tab of the<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> 177

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