Module Spherical Harmonic Synthesis
Synthesis of a completely normalized spherical harmonic expansion. The coefficients are read from the input file (ASCII file, columns separated by space).
- Author: HfT Stuttgart (c) 2013
- Specification: grid
- Menu: Grid|Calculus|Grid Generation
Parameters
| | Name | Type | Identifier | Description | Constraints |
|---|
| Output | Synthesized Grid (*) | Data Object (optional output) | OUTPUT_GRID | Synthesized Grid | - |
| Options | File with Coefficients | File path | FILE | ASCII file with columns degree, order, c_lm, s_lm (separated by space) | - |
| Start Degree | Integer | MINDEGREE | Start Degree | Default: 0 |
| Expansion Degree | Integer | MAXDEGREE | Expansion Degree | Default: 180 |
| Start Latitude | Floating point | LAT_START | Start Latitude | Default: -90.000000 |
| End Latitude | Floating point | END_LAT | End Latitude | Default: 90.000000 |
| Start Longitude | Floating point | LONG_START | Start Longitude | Default: -180.000000 |
| End Longitude | Floating point | END_LONG | End Longitude | Default: 180.000000 |
| Latitude / Longitude Increment | Floating point | INC | Latitude / Longitude Increment | Default: 1.000000 |
| (*) optional |
Command-line
Usage: saga_cmd grid_calculus 19 [-OUTPUT_GRID <str>] [-FILE <str>] [-MINDEGREE <num>] [-MAXDEGREE <num>] [-LAT_START <str>] [-END_LAT <str>] [-LONG_START <str>] [-END_LONG <str>] [-INC <str>]
-OUTPUT_GRID:<str> Synthesized Grid
Data Object (optional output)
-FILE:<str> File with Coefficients
File path
-MINDEGREE:<num> Start Degree
Integer
Default: 0
-MAXDEGREE:<num> Expansion Degree
Integer
Default: 180
-LAT_START:<str> Start Latitude
Floating point
Default: -90.000000
-END_LAT:<str> End Latitude
Floating point
Default: 90.000000
-LONG_START:<str> Start Longitude
Floating point
Default: -180.000000
-END_LONG:<str> End Longitude
Floating point
Default: 180.000000
-INC:<str> Latitude / Longitude Increment
Floating point
Default: 1.000000