SLOPE MAPS

All maps of the Hanging Rock Canyon USGS 30 m DEM


Slope map instructions

Slope units, in percent.

Standard slope categories. Select the number of bins, the boundaries, and the colors.
Trafficability color scheme.
  • Black is flat (0%)
  • green is GO (1-29%)
  • yellow is SLOW GO (30-45%)
  • red is NO GO (>45%)

In  Go/No Go scheme, yellow is added to Red.

Gray scale color scheme--a reverse grayscale can be very revealing for lidar data sets (Example urban lidar displays, including reverse grayscale).
Rainbow color scheme.
DEM Slope merge on satellite image. This has the maximum slope at 60%; anything steeper is capped at red.
DEM Slope merge on satellite image. This has the maximum slope at 45%; anything steeper is capped at red. Note that this has more red than the map above with a max slope of 60%.
DEM Slope merge with a DRG scanned map. Colors show slopes calculated from the DEM.

 


Last revision 3/14/2010