GRASS GIS 6.2.4cvs Reference Manual

Geographic Resources Analysis Support System, commonly referred to as GRASS, is a Geographic Information System (GIS) used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies.

This reference manual details the use of modules distributed with Geographic Resources Analysis Support System (GRASS), an open source (GNU GPL'ed), image processing and geographic information system (GIS).

Quick Introduction

GRASS startup manual page
How to start with GRASS
Introductions
The GRASS Extensions Manager (GEM)

photo commands:

photo.2image photo.2image

photo.2target Create control points on an image to be ortho-rectified.

photo.camera

photo.init photo.init

photo.rectify photo.rectify

photo.2image	photo.2image
photo.2target	Create control points on an image to be ortho-rectified.
photo.camera
photo.init	photo.init
photo.rectify	photo.rectify