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| author | Even Rouault <even.rouault@spatialys.com> | 2018-03-30 14:54:24 +0200 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2018-03-30 14:54:24 +0200 |
| commit | 552add68ffb2e7a63cb2b01eee0e00fe70513f03 (patch) | |
| tree | 98370e7eeda70a12c1bc6c9c950853f7642f79c1 /docs/source/operations/transformations | |
| parent | 73996d06f02c8622491f2bbb2f4a1afc993f46e3 (diff) | |
| download | PROJ-552add68ffb2e7a63cb2b01eee0e00fe70513f03.tar.gz PROJ-552add68ffb2e7a63cb2b01eee0e00fe70513f03.zip | |
Improve log and documentation regarding t_obs in helmert and deformation operations
Diffstat (limited to 'docs/source/operations/transformations')
| -rw-r--r-- | docs/source/operations/transformations/deformation.rst | 16 | ||||
| -rw-r--r-- | docs/source/operations/transformations/helmert.rst | 2 |
2 files changed, 10 insertions, 8 deletions
diff --git a/docs/source/operations/transformations/deformation.rst b/docs/source/operations/transformations/deformation.rst index 4ae56f54..f10562dd 100644 --- a/docs/source/operations/transformations/deformation.rst +++ b/docs/source/operations/transformations/deformation.rst @@ -7,21 +7,21 @@ Kinematic datum shifting utilizing a deformation model Perform datum shifts means of a deformation/velocity model. +-----------------+--------------------------------------------------------------------+ -| **Input type** | Cartesian coordinates. | +| **Input type** | Cartesian coordinates (spatial), decimalyears (temporal). | +-----------------+--------------------------------------------------------------------+ -| **Output type** | Cartesian coordinates. | +| **Output type** | Cartesian coordinates (spatial), decimalyears (temporal). | +-----------------+--------------------------------------------------------------------+ | **Options** | +-----------------+--------------------------------------------------------------------+ -| `xy_grids` | Comma-separated list of grids to load. | +| `xy_grids` | Comma-separated list of grids to load. *Required*. | +-----------------+--------------------------------------------------------------------+ -| `z_grids` | Comma-separated list of grids to load. | +| `z_grids` | Comma-separated list of grids to load. *Required*. | +-----------------+--------------------------------------------------------------------+ -| `t_epoch` | Central epoch of transformation. [decimalyear]. Only used in | -| | spatiotemporal transformations. | +| `t_epoch` | Central epoch of transformation. [decimalyear]. *Required*. | +-----------------+--------------------------------------------------------------------+ -| `t_obs` | Observation time of coordinate(s). Mostly useful in 2D and 3D | -| | transformations. [decimalyear]. *Optional*. | +| `t_obs` | Observation time of coordinate(s). [decimalyear]. *Optional*. | +| | If not specified, will be get from the t component of 4D input | +| | points. | +-----------------+--------------------------------------------------------------------+ The deformation operation is used to adjust coordinates for intraplate deformations. diff --git a/docs/source/operations/transformations/helmert.rst b/docs/source/operations/transformations/helmert.rst index 8c862866..941fc676 100644 --- a/docs/source/operations/transformations/helmert.rst +++ b/docs/source/operations/transformations/helmert.rst @@ -50,6 +50,8 @@ anoether by means of 3-, 4-and 7-parameter shifts, or one of their 6-, 8- and +----------------+--------------------------------------------------------------------+ | `t_obs` | Observation time of coordinate(s). Mostly useful in 2D and 3D | | | transformations. [decimalyear]. *Optional*. | +| | If not specified, will be get from the t component of 4D input | +| | points. | +----------------+--------------------------------------------------------------------+ | `exact` | Use exact transformation equations. *Optional*. | +----------------+--------------------------------------------------------------------+ |