Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

ISIS Documentation

cosi

Apply simple photometric model

This program applies a basic photometric normalization to an image by dividing each pixel by the cosine of the incidence angle. It uses the camera model to compute the incidence angle at each pixel in the cube. The corresponding input pixel value is then divided by the cosine of the incidence angle. If the absolute value of the incidence angle is 90 or greater then a Null pixel will be output.

Categories


History

Jim Torson1997-05-20 Original version
Jeff Anderson2007-05-30 Converted to ISIS3
Steven Lambright2008-05-12 Removed references to CubeInfo

Parameters

Files

An Isis cube with a supported camera model and initialized with SPICE.
Type cube
File Mode input
Filter *.cub

The name of the output Isis cube. This cube will contain the input cube divided by the cosine of the incidence angle.
Type cube
File Mode output
Filter *.cub

Options

Pixels which have an absolute value of indicence angle at or above this value will be set to NULL in the output cube
Type double
Default 90.0
Minimum 0.0 (exclusive)
Maximum 90.0 (inclusive)