HELMAP {RTOMO} | R Documentation |
Geographic map of Mt. St. Helens Summit region
Description
Geographic map of Mt. St. Helens Summit region. Lnes showing water shed
and outline of tree line prior to 1980 eruption.
Usage
data(HELMAP)
Format
- STROKES
- list of meta data for map
- nam
- name of stroke
- num
- number of points
- index
- starting index
- col
- color
- style
- style, 1,2,3
- code
- geographic code
- LAT1
- Lower left latitude
- LAT2
- upper right latitude
- LON1
- Lower left longitude
- LON2
- upper right longitude
- POINTS
- points structure
- lat
- latitudes
- lon
- longitudes
- PROJ
- projection list
- type
- type of projection, 2=UTM
- LAT0
- origin latitude
- LON0
- origin longitude
- LAT1
- other parameters that depend on projection
- LAT2
- other parameters that depend on projection
- LATS
- other parameters that depend on projection
- S
- other parameters that depend on projection
- N
- other parameters that depend on projection
- LONS
- other parameters that depend on projection
- E
- other parameters that depend on projection
- W
- other parameters that depend on projection
- DLAT
- other parameters that depend on projection
- DLON
- other parameters that depend on projection
- FE
- false easting
- FN
- false northing
- name
- name of projection
References
Lees, J. M. (1992): The magma system of Mount St. Helens: Non-linear
high resolution P-wave tomography,
J. Volc. Geoth. Res., 53(1-4), 103-116.
Examples
data(HELMAP)
## maybe str(HELMAP) ; plot(HELMAP) ...
[Package
RTOMO version 1.0-6
Index]