HELMAP


 Geographic map of Mt. St. Helens Summit region. Lnes showing water shed
 and outline of tree line prior to 1980 eruption.


datasets

Aimed at seismic tomography, the package
plots tomographic images, and allows one to interact and query
three-dimensional tomographic models.
Vertical cross-sectional cuts can be extracted by mouse click.
Geographic information can be added easily.

Jonathan Lees

RTOMO

Visualization for Seismic Tomography

HELMAP function

 <dl>
     <dt>STROKES</dt><dd>list of meta data for map</dd> <dt>nam</dt><dd>name of stroke</dd> <dt>num</dt><dd>number of points</dd> <dt>index</dt><dd>starting index</dd> <dt>col</dt><dd>color</dd> <dt>style</dt><dd>style, 1,2,3</dd> <dt>code</dt><dd>geographic code</dd> <dt>LAT1</dt><dd>Lower left latitude </dd> <dt>LAT2</dt><dd>upper right latitude </dd> <dt>LON1</dt><dd>Lower left  longitude</dd> <dt>LON2</dt><dd>upper right longitude</dd> <dt>POINTS</dt><dd>points structure</dd> <dt>lat</dt><dd>latitudes</dd> <dt>lon</dt><dd>longitudes</dd> <dt>PROJ</dt><dd>projection list</dd> <dt>type</dt><dd>type of projection, 2=UTM</dd> <dt>LAT0</dt><dd>origin latitude</dd> <dt>LON0</dt><dd>origin longitude </dd> <dt>LAT1</dt><dd>other parameters that depend on projection</dd> <dt>LAT2</dt><dd>other parameters that depend on projection</dd> <dt>LATS</dt><dd>other parameters that depend on projection</dd> <dt>S</dt><dd>other parameters that depend on projection</dd> <dt>N</dt><dd>other parameters that depend on projection</dd> <dt>LONS</dt><dd>other parameters that depend on projection</dd> <dt>E</dt><dd>other parameters that depend on projection</dd> <dt>W</dt><dd>other parameters that depend on projection</dd> <dt>DLAT</dt><dd>other parameters that depend on projection</dd> <dt>DLON</dt><dd>other parameters that depend on projection</dd> <dt>FE</dt><dd>false easting</dd> <dt>FN</dt><dd>false northing</dd> <dt>name</dt><dd>name of projection</dd> </dl> 

HELMAP: Geographic map of Mt. St. Helens Summit region

Description

Usage

Arguments

Format

References

Examples