rrim

Reference

Red relief image map: New visualization method for three dimensional data
T. Chiba, S. Kaneta, Y. Suzuki, 2008, ISPRS

Enviroment

• Python: 3.6
• OpenCV: 3.3

Description

Generate a rrim image from depth data, such as DEM, raster, point cloud data.

Parameters

Main function in rrim.py:

rrim(depth, cell_size, L, output_fname, color_size=(50, 50, 3))

• depth
  numpy.array: Depth data
  
• cell_size
  float: The actual distance that a cell (pixel, point) covers
  
• L
  float: The distance within which points are used to compute openness
  
• output_fname
  string: The filename of the output rrim image
  
• color_size
  numpy.array, shape = (int, int, 3): The range of color corresponding to the ranges of slope and openness
  

Example

DEM data:
RRIM image:
A more detailed image of the northwestern part: