SAGA-GIS Tool Library Documentation (v7.8.2)

Tool 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).

Parameters

 NameTypeIdentifierDescriptionConstraints
OutputSynthesized Grid (*)Data Object Grid, output, optionalOUTPUT_GRIDSynthesized Grid-
OptionsFile with CoefficientsFile pathFILEASCII file with columns degree, order, c_lm, s_lm (separated by space)-
Start DegreeIntegerMINDEGREEStart DegreeDefault: 0
Expansion DegreeIntegerMAXDEGREEExpansion DegreeDefault: 180
Start LatitudeFloating pointLAT_STARTStart LatitudeDefault: -90.000000
End LatitudeFloating pointEND_LATEnd LatitudeDefault: 90.000000
Start LongitudeFloating pointLONG_STARTStart LongitudeDefault: -180.000000
End LongitudeFloating pointEND_LONGEnd LongitudeDefault: 180.000000
Latitude / Longitude IncrementFloating pointINCLatitude / Longitude IncrementDefault: 1.000000
(*) optional

Command-line

Usage: saga_cmd grid_calculus 19 [-OUTPUT_GRID <str>] [-FILE <str>] [-MINDEGREE <num>] [-MAXDEGREE <num>] [-LAT_START <double>] [-END_LAT <double>] [-LONG_START <double>] [-END_LONG <double>] [-INC <double>]
  -OUTPUT_GRID:<str>  	Synthesized Grid
	Data Object Grid, output, optional
  -FILE:<str>         	File with Coefficients
	File path
  -MINDEGREE:<num>    	Start Degree
	Integer
	Default: 0
  -MAXDEGREE:<num>    	Expansion Degree
	Integer
	Default: 180
  -LAT_START:<double> 	Start Latitude
	Floating point
	Default: -90.000000
  -END_LAT:<double>   	End Latitude
	Floating point
	Default: 90.000000
  -LONG_START:<double>	Start Longitude
	Floating point
	Default: -180.000000
  -END_LONG:<double>  	End Longitude
	Floating point
	Default: 180.000000
  -INC:<double>       	Latitude / Longitude Increment
	Floating point
	Default: 1.000000