Viewing GMF Files

GMF files are different than most other C Tech file formats in that the data is specifically NOT associated with borings. GMF files can be viewed using post_samples, but file_statistics can often be more useful, especially when dealing with large datasets.

Let's build a new application:

file_statistics (and post_samples) will only display a single surface of a GMF file at one time. The advantage of file_statistics is that it will provide the extents and basic statistics information. The Data Component parameter determines which surface is displayed. 0 (zero) is the first surface.

file_statistics outputs points which are colored by elevation (for GMF files).

Double click on file_statistics and select the file Reference\bottom.gmf.

The viewer should show:

 

In the view above, each point is displayed as a single pixel point. You can increase the size to be a square of 2x2 pixels or larger using the Point Width parameter.

 

When file_statistics runs, it provides the following information to the Information window.

Note that Number of Bins was set to 10, and Detailed Statistics was turned on.