Isolate Geography

 

The isolate Geography allows you to thematically isolate multiple entities for the level of geography selected. You may also then highlight any lower level geographies within the isolated areas.  All other geographies outside the isolated zones are not shaded in the thematic colors.

1. On the Data Settings tab under Isolate Geography select the Isolate check box. The Isolate Geography popup window displays. with the Type automatically to match the Geography selected in the Data Settings tab and lists all the geographies currently in view on the map.

2. From the Type drop down list select desired geography to isolate.  The options available depend on the zoom level selected and the data you’ve licensed. You cannot isolate a lower level geography than the one currently selected on the Data Settings tab.

   Geography	Minimum Zoom Level
   State	4
   DMA	4
   Congressional District	5
   Metro  Area	5
   County	5
   ZIP Code	8
   Populated ZIP Code	8
   Census Tract	10
   Block Group	13
   Block	14
   Custom Geography (if defined)	all

    

3. From the lists of the geographies currently in view on the map, select the check box next to each geography you want to isolate.

4. Click Apply. The isolate geography popup window closes a list of the Isolated Geography displays beneath the Isolate check box

5. Isolated Geography list displays beneath the Isolate check box.

   

6. Click Update Map to refresh the map.

 

Some geographies extend beyond the contours of the isolated entity.  The Clip option allows you to visually trim the geographies within the  isolated region.   For example some Designated Market Areas (DMA)® extend beyond state boundaries and some counties extend beyond DMA boundary.

Below is an example of the Los Angeles and San Francisco  DMA isolated  with county selected as the level of geography for analysis.  Notice how a couple  of counties extend beyond the DMA boundary (purple).

 

Clip

Some geographies extend beyond the contours of the isolated entity.  The Clip option allows you to visually trim the geographies within the  isolated region.   For example some Designated Market Areas (DMA)® extend beyond state boundaries and some counties extend beyond DMA boundary.

1. On the Data Settings tab under Isolate Geography select the Isolate check box. The Isolate Geography popup window displays with the Type automatically to match the Geography selected in the Data Settings tab and lists all the geographies currently in view on the map.

2. From the Type drop down list select desired geography to isolate.

3. Select the check box next to each geography you want to isolate.

4. Click Apply

5. Select Clip check box

6. Click Update Map to refresh the map.

 

 

Delete Isolated Geographies

To disable isolation deselect the Isolate check box.

To remove the list of selected geographies click the

 

 

Edit Isolated Geographies

To edit which geographies are isolated:

1. Click Isolated Geography. The Isolate Geography popup window displays with the Type drop down list automatically populated with same geography level selected if available at the current zoom level selected.

2. From the Type drop down list select desired geography to isolate.  The options available depend on the zoom level selected and the data you’ve licensed. You cannot isolate a lower level geography than the one currently selected on the Data Settings tab.

   Geography	Minimum Zoom Level
   State	4
   DMA	4
   Congressional District	5
   Metro  Area	5
   County	5
   ZIP Code	8
   Populated ZIP Code	8
   Census Tract	10
   Block Group	13
   Block	14

    

3. From the lists of the geographies currently in view on the map, select the check box next to each geography you want to isolate.

4. Click Apply. The isolate geography popup window closes a list of the Isolated Geography displays beneath the Isolate check box

5. Isolated Geography list displays beneath the Isolate check box.