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
- 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 <double>] [-COORD_Y1 <double>] [-COORD_X2 <double>] [-COORD_Y2 <double>] [-EPSILON <double>]
-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:<double> X
Floating point
Default: 10.000000
-COORD_Y1:<double> Y
Floating point
Default: 53.500000
-COORD_X2:<double> X
Floating point
Default: 116.500000
-COORD_Y2:<double> Y
Floating point
Default: 6.400000
-EPSILON:<double> Epsilon
Floating point
Minimum: 1.000000
Default: 100.000000