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Documentation » Drawing Layers » Polygon Layer

Polygon Layer

Polygon Layers can be created or edited within GeoUnderground.  A Polygon is a map feature represented by multiple line segments that are connected (closed) and the area in between on the map.

Polygon tools include:

To create a new Polygon layer, go to the Folder Actions menu and click on the “Create Layer" option.


GeoUnderground Drawing New Polygon Layer popup

To cancel the drawing tool, click on the “Cancel” button.  Click the “Confirm” button to cancel or click the “Cancel” button to go back to the Layers window and map.

Select “Polygon” from the dropdown field and click on the “Ok” button.  A new layer is created in the Layers window waiting to be named by the user and a drawing tools toolbar is displayed on the map.  After renaming the layer, the new name of the layer is displayed on the toolbar on the left side.

GeoUnderground Drawing New Polygon Layer Toolbox Menu

The toolbar is displayed with the following icons:

To move a point on the layer, click on the Move Point icon and click on a point, then drag the point to a new location.

To remove a point, line segment or polygon from the layer, click on the Remove Feature icon and click on the point, line segment or polygon the user wants to remove.

To add an anchor point on the layer, click on the Add Anchor Point icon and click within a line segment or polygon displayed on the map.  The user will then be able to move the anchor point with the move point tool or attach other lines to the anchor point.

To remove an anchor point on the layer, click on the Remove Anchor Point icon and click on an anchor point within a line segment or polygon.  The anchor point will be removed from the line segment or polygon.

To draw freehand, click on the Draw Freehand icon and click on the map to start to draw lines or polygons.  Click the map to start a new segment of double click to end the drawing line or polygon.

To draw a straight line, click the Draw Straight line icon and click on the map to start a line draw a straight line to the new location.  Click the map to start a new segment of double click to end the line.

To draw a rectangle polygon, click the Draw Rectangle icon and click the area on the map and drag to the opposite area.  The rectangle polygon is displayed and shaded on the map.

To save a layer, click on the Save icon in the toolbar and click “Confirm” button on the toolbar.