Performing Viewshed Analysis in ArcGIS Pro
Performing Viewshed Analysis in ArcGIS Pro
- Add the project data to a new map document.
- In the Catalog pane, browse to Databases, and then expand the VSPro geodatabase.
- On the Map tab, chose Streets to change the basemap.
- In the Format Polygon Symbol pane, click Properties, and then specify the following parameters:
- Color: No Color
- Outline Color: Mars Red (row 3, column 2)
- Outline Width: 2 pt
- The fields view opens, and the Fields tab opens on the ribbon. The fields view shows the content and format for each field in the LightLocations attribute table.
- For Field Name, type OFFSETA.
- The OFFSETA field will affect the height from which the viewshed will be created. It is a vertical distance in surface units to be added to the elevation of the observation point.
- Add the following additional fields to the fields view:
- AZIMUTH1
- AZIMUTH2
- RADIUS2
- In the Geoprocessing pane, in the search field, type viewshed.,Click Viewshed (3D Analyst Tools), and then specify the following parameters:
- Input Raster: NY_DEM
- Input Point Or Polyline Observer Features: LightLocations
- Output Raster: ..\EsriTraining\ProViewshedAnalysis\VSPro.gdb\Viewshed_3m
- On the Analysis tab, in the Raster group, click Raster Functions .
- In the Raster Functions pane, expand Math: Logical.
- Click Greater Than .
- In the Greater Than Properties pane, specify the following parameters:
- General tab
- Output Pixel Type: 8 Bit Unsigned
- Parameters tab
- Raster: Viewshed_3m
- Raster2: 2
- In the Contents pane, right-click LightLocations and choose Attribute Table.
- In the attribute table, right-click OFFSETA and choose Calculate Field .
- In the Calculate Field dialog box, specify the following parameters:
- Input Table: LightLocations
- Field Name (Existing Or New): OFFSETA
- OFFSETA = 10
- If necessary, in the Geoprocessing pane, click the Back button
- In the Recent section, click the Viewshed (3D Analyst Tools) tool.
- In the Viewshed pane, specify the following parameters:
- Input Raster: NY_DEM
- Input Point Or Polyline Observer Features: LightLocations
- Output Raster: ..\EsriTraining\ProViewshedAnalysis\VSPro.gdb\Viewshed_10m
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