CoastWatch Master Tool Help: Overview

The CoastWatch Master Tool is a part of the CoastWatch Software Library and Utilities package. You can use it to create map projection master files for the cwregister program. A master file contains a set of parameters specifying:

In addition to creating master files from scratch, you can load projection parameters from standard CoastWatch IMGMAP (.cwf) and HDF product files. A CoastWatch HDF master file contains all parameters necessary to define a master region but no actual data variables.

The figure above shows the various components of the tool window. The components perform the following tasks:

Menu bar
Access to file operations, geographic overlay options, and the help system.
Tool bar
Buttons for common file and master operations.
Master view
The main area showing the currently defined master region.
Track bar
Tracks mouse movement and shows the pointer location in latitude/longitude and image row/column coordinates.
Projection parameters
Access to the map projection system, spheroid, and map projection system-specific parameters.
Region parameters
Access to the region dimensions, center location, and pixel size parameters.

The following help sections contain more details on using the CoastWatch Master Tool: