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Table of Contents - The Atmospheric Studies Group at TRC

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Section 2: Geophysical D<strong>at</strong>a Processors<br />

<strong>Table</strong> 2-2 (continued)<br />

Sample TERREL Control File Inputs<br />

(TERREL.INP)<br />

-------------<br />

Subgroup (0b)<br />

-------------<br />

<strong>The</strong> following NTDF Terrain D<strong>at</strong>a Files are processed.<br />

Enter NTDF lines identifying the file name for each,<br />

followed by a group termin<strong>at</strong>or. <strong>The</strong> type <strong>of</strong> d<strong>at</strong>a base<br />

for each file is design<strong>at</strong>ed by the assignment name:<br />

(USGS90) design<strong>at</strong>es USGS 1-deg DEM files (~90m)<br />

(USGS30) design<strong>at</strong>es USGS 7.5-min DEM files (typically 30m)<br />

(ARM3) design<strong>at</strong>es ARM3 terrain d<strong>at</strong>a files(~900m)<br />

(3CD) design<strong>at</strong>es 3CD (binary) 1-deg DEM files (~90m)<br />

(DMDF) design<strong>at</strong>es Canadian DMDF files (~100m)<br />

(SRTM1) design<strong>at</strong>es 1-sec Shuttle RADAR Topo Mission files (~30m)<br />

(SRTM3) design<strong>at</strong>es 3-sec Shuttle RADAR Topo Mission files (~90m)<br />

(GTOPO30) design<strong>at</strong>es GTOPO30 30-sec d<strong>at</strong>a (~900m)<br />

(USGSLA) design<strong>at</strong>es USGS Lambert Azimuthal d<strong>at</strong>a (~1000m)<br />

(NZGEN) design<strong>at</strong>es New Zealand Generic d<strong>at</strong>a files<br />

(GEN) design<strong>at</strong>es Generic d<strong>at</strong>a files<br />

(GEOTIFF) design<strong>at</strong>es GEOTIFF d<strong>at</strong>a files<br />

1 !USGS90 = portland.e! !END!<br />

2 !USGS90 = portland.w! !END!<br />

3 !USGS90 = lewiston.w! !END!<br />

4 !USGS90 = lewiston.e! !END!<br />

-------------<br />

Subgroup (0c)<br />

-------------<br />

D<strong>at</strong>um-Region<br />

------------<br />

<strong>The</strong> D<strong>at</strong>um-Region for coordin<strong>at</strong>es in each <strong>of</strong> the input Terrain D<strong>at</strong>a Files<br />

may be identified in the header records <strong>of</strong> the file. Check the file<br />

document<strong>at</strong>ion and change these defaults if needed. <strong>The</strong> list <strong>of</strong> D<strong>at</strong>um-Regions<br />

with <strong>of</strong>ficial transform<strong>at</strong>ion parameters provided by the N<strong>at</strong>ional Imagery and<br />

Mapping Agency (NIMA).<br />

D<strong>at</strong>um-region for input Terrain D<strong>at</strong>a File coordin<strong>at</strong>es<br />

(DUSGS90) Default: WGS-72 ! DUSGS90 = WGS-72 !<br />

(DUSGS30) Default: NAS-C ! DUSGS30 = NAS-C !<br />

(DARM3) Default: NAS-C ! DARM3 = NAS-C !<br />

(D3CD) Default: WGS-72 ! D3CD = WGS-72 !<br />

(DDMDF) Default: NAS-C ! DDMDF = NAS-C !<br />

(DSRTM1) Default: WGS-96 ! DSRTM1 = WGS-96 !<br />

(DSRTM3) Default: WGS-96 ! DSRTM3 = WGS-96 !<br />

(DGTOPO30) Default: WGS-84 ! DGTOPO30 = WGS-84 !<br />

(DUSGSLA) Default: ESR-S ! DUSGSLA = ESR-S !<br />

(DNZGEN) Default: WGS-84 ! DNZGEN = WGS-84 !<br />

(DGEN) Default: WGS-84 ! DGEN = WGS-84 !<br />

(DGEOTIFF) Default: WGS-84 ! DGEOTIFF = WGS-84 !<br />

D<strong>at</strong>um-region for input GSHHS Coastal D<strong>at</strong>a File coordin<strong>at</strong>es<br />

(DWVS) Default: WGS-84 ! DWVS = WGS-84 !<br />

!END!<br />

2-10

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