Raster to polygon with RGB composite using Arcgis

How do I convert a raster to a polygon in ArcGIS?

Navigate to ArcToolbox > Conversion Tools > From Raster > Raster to Polygon. In the Raster to Polygon window, specify the raster created in Step 2 in the Input raster field. Specify the name and location for the output polygon feature class. Fill in any optional parameters.
 

How do I create a composite image in ArcGIS?

Use the Composite Bands (Data Management) tool.

1. In ArcMap, navigate to Geoprocessing > ArcToolbox > Data Management Tools > Raster > Raster Processing > Composite Bands.
2. Click the browse button, and search for the desired input raster.
3. Specify the name and location of the output raster, and click OK.

How do you convert a float raster to a polygon?

On the ArcGIS Pro ribbon, click Analysis > Tools to open the Geoprocessing pane.

1. Remove the decimal values of the floating type raster.
2. Convert the floating type raster to an integer type raster.
3. Convert the integer type raster to a polygon feature class.
4. Restore the decimal values of the polygon feature class.