Add a mask as a base layer - Display sections of a second map

Note: To add a mask as a base layer, you must be logged-in to a Pro account. To learn how to upgrade, visit this link: How to upgrade to a Pro account

Description

You choose the sections of the second map by creating these shapes: rectangle, circle, or polygon.

Choose the base map: Google > Terrain.

Note: For your map, you can choose any base map. For this example, we're choosing this light colored base map to contrast with the dark colors of the mask base layer we'll add in later steps.

1. If you aren't logged-in to Scribble Maps already, login to your account at:
   https://www.scribblemaps.com/create 
   (Optional) To learn how to login, visit this link:
   How to login / register
    
2. In the bottom-right corner of the Map View, you will see the base map selector displays thumbnail image(s).
    
3. (Optional) If the flyout doesn't display Google's thumbnail images, there are two options for this step.

   Option 1
   If "Google" isn't selected, click the currently selected name of the map provider or category. In the flyout list, click to select: "Google".

   OR

   Option 2
   If "Google" is selected, click thumbnail image.

    
4. In the flyout, click to select: "TERRAIN".

Create a shape

In the Map View, draw 1 shape. For example: A circle.

To learn how to create a shape, visit these links:

Draw a circle - (Circle Tool)

Draw a rectangle - (Rectangle Tool)

Draw a polygon - (Polygon Tool)

 

Select the mask base layer

1. At the bottom of the Layers Panel, open the Base Layers window by clicking the double-arrowheads.
    
2. Click on the (+) button.
    
3. In the flyout, click: "Add Map Mask".
    
4. In the "SELECT BASEMAP" window, click-and-drag the scroll bar to view the available maps.
    
5. Click to select the map you want to display as a base layer.
   For example: "Satellite (mbb_satellite)".

Create the map mask

1. In the shape selector window, click to select the shape from the list.
    
2. In the Map View, you will see the mask base layer is now on top of the underlying map.
    
3. (Optional) You can toggle the visibility of the mask base layer.
   Click the Eye Icon located on the left-side of the base layer's row in the Base Layers window.

(Optional) Add another section to the mask base layer

1. In the Map View, find a location on land containing roads. 
    
2. On top of the location, draw another shape. For example: a rectangle.
    
3. Click the Pencil Icon on the "Mask..." layer’s row in the Base Layers window.
   You will see the editor window titled: "Add/Edit Basemap Mask".
    
4. Click the button: "Add New Mask Shape".
    
5. In the shape selector window, click to select the new shape from the list.
    
6. Close the editor window by clicking the "X" button in the top-right corner.
    
7. In the Map View, you will see the new section is now part of the mask base layer.

   Note: In later steps, the new section will display the roads.

    

(Optional) Select a new base map to use as the mask

1. Click the Pencil Icon in the "Mask..." layer’s row in Base Layers window.
   You will see the editor window titled: "Add/Edit Basemap Mask".
    
2. In the top-left corner, click the button: "Change Base".
    
3. In the "SELECT BASEMAP" window, click-and-drag the scroll bar to view the available maps.
    
4. Click to select the map you want to display as a base layer.
   For example: "Road (mbb_road)".
    
5. Close the editor window by clicking the "X" button in the top-right corner.
    
6. In the Map View, you will see the base map of the mask base layer has changed.

See also

Reorder the stack of base layers

Add a heatmap base layer at marker locations

Add a crop as a base layer

Add a TMS URL to produce a base layer

Add a WMS URL to produce a base layer