ArcGIS Generate feature Contour Masks

First say the effect:

Before generating the contour:

After creating the contour mask, the effect is as follows:

Steps:

1. Getting ready: Open the Toolbox

menu, geoprocessing, ArcToolbox

2. Find cartography tools, masking tools, Feature Outline masks

3. Select input layer and output Feature Class. Reference scale generally fill 1.

Then adjust the contour distance margin, here I need 30 meters contour line, so fill in the meters can.

4. Click OK to wait for the build to succeed

ArcGIS Generate feature Contour Masks