Module Geographic Distances (Pair of Coordinates)
Calculates for all segments of the input lines the planar, great elliptic, and loxodrome distance and re-projects the latter two to the projection of the input lines.
- Author: O. Conrad (c) 2015
- Specification: grid
- Menu: Projection|Tools
Parameters
| Name | Type | Identifier | Description | Constraints | |
|---|---|---|---|---|---|
| Output | Geographic Distances | Shapes (output) | DISTANCES | - | - |
| Options | Get CRS Definition from... | Choice | CRS_METHOD | - | Available Choices: [0] Proj4 Parameters [1] EPSG Code [2] Well Known Text File Default: 0 |
| Proj4 Parameters | Long text | CRS_PROJ4 | - | - | |
| Well Known Text File | File path | CRS_FILE | - | - | |
| EPSG Code | Integer | CRS_EPSG | - | Minimum: -1 Default: -1 | |
| Precise Datum Conversion | Boolean | PRECISE | avoids precision problems when source and target crs use different geodedtic datums. | Default: 0 | |
| X | Floating point | COORD_X1 | - | Default: 10.000000 | |
| Y | Floating point | COORD_Y1 | - | Default: 53.500000 | |
| X | Floating point | COORD_X2 | - | Default: 116.500000 | |
| Y | Floating point | COORD_Y2 | - | Default: 6.400000 | |
| Epsilon | Floating point | EPSILON | defines the maximum resolution [km] for the re-projected distance segments | Minimum: 1.000000 Default: 100.000000 |
Command-line
Usage: saga_cmd pj_proj4 21 [-CRS_METHOD <str>] [-CRS_PROJ4 <str>] [-CRS_FILE <str>] [-CRS_EPSG <num>] [-PRECISE <str>] [-DISTANCES <str>] [-COORD_X1 <str>] [-COORD_Y1 <str>] [-COORD_X2 <str>] [-COORD_Y2 <str>] [-EPSILON <str>] -CRS_METHOD:<str> Get CRS Definition from... Choice Available Choices: [0] Proj4 Parameters [1] EPSG Code [2] Well Known Text File Default: 0 -CRS_PROJ4:<str> Proj4 Parameters Long text -CRS_FILE:<str> Well Known Text File File path -CRS_EPSG:<num> EPSG Code Integer Minimum: -1 Default: -1 -PRECISE:<str> Precise Datum Conversion Boolean Default: 0 -DISTANCES:<str> Geographic Distances Shapes (output) -COORD_X1:<str> X Floating point Default: 10.000000 -COORD_Y1:<str> Y Floating point Default: 53.500000 -COORD_X2:<str> X Floating point Default: 116.500000 -COORD_Y2:<str> Y Floating point Default: 6.400000 -EPSILON:<str> Epsilon Floating point Minimum: 1.000000 Default: 100.000000