How do you subtract polygons in Arcgis?

How do you subtract polygons in Arcgis?

Removing overlaps from existing polygons

1. Select the polygon feature whose border you want to maintain. The other polygon will be clipped back to match it.
2. Click the Editor menu and click Clip.
3. Set the buffer distance to 0 and choose to discard the area that intersects.
4. Click OK.

How do I create a polygon in ArcMap?

To construct polygons, select the polyline features from which you want to create the polygons, choose a feature template, and click Construct.

1. If the current map does not contain a polygon feature layer, add it.
2. On the Edit tab, in the Features group, click Modify .
3. Expand Construct and click Construct Polygons .

What is the difference polygon?

The Difference Polygon construction tool is similar to the Auto-Complete Polygon tool. However, the Difference Polygon tool allows you to create polygons that are coincident to polygons in any layer, not just polygons from the same layer.

How do you make a polygon shape?

To draw a polygon, follow these steps:

1. Select the Polygon tool.
2. Click in the drawing area to place the polygon’s center point.
3. (Optional) By default, polygons have 5 sides.
4. Move the cursor in or out from the center point to size the polygon and click to finish the shape.

How to create a simple polygon in ArcMap?

Creating a simple polygon. Start ArcMap. On the menu bar, click Customize > Toolbars > Production Feature Builder. Click the Feature Builder button on the Production Feature Builder toolbar. If the scratch dataset has not been added to the table of contents, click the Add Scratch Data Layers button

How do you make a difference polygon in Photoshop?

In the Active Template page, click Difference Polygon . Click the map, drag the pointer, and double-click the end node to finish the polygon. If the polygon you created doesn’t overlap any preexisting polygons, the edit sketch will be used to define the edges of the new polygon.

How are Angles entered in a polygon in ArcGIS?

By default, angles are entered in degrees using the polar system, which is measured counterclockwise from the positive x-axis. You can specify a different direction measuring system or unit on the Editing Options dialog box > Units tab. Press the W key, type 400, then press ENTER.

How do you create a new row in ArcMap?

Click the row header for the second row in the coordinates list. Press the right or down arrow key on your keyboard to move the cursor to the next row or add a new row. You can create additional rows by right-clicking the new row that has been created and clicking Insert After.