factory.py 1.5 KB

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  1. """
  2. Object factory
  3. Usage:
  4. .. code-block:: python
  5. import grass.temporal as tgis
  6. tgis.register_maps_in_space_time_dataset(type, name, maps)
  7. (C) 2012-2013 by the GRASS Development Team
  8. This program is free software under the GNU General Public
  9. License (>=v2). Read the file COPYING that comes with GRASS
  10. for details.
  11. :authors: Soeren Gebbert
  12. """
  13. from .core import get_tgis_message_interface
  14. from .space_time_datasets import SpaceTimeRaster3DDataset, SpaceTimeRasterDataset, \
  15. SpaceTimeVectorDataset, Raster3DDataset, RasterDataset, VectorDataset
  16. ###############################################################################
  17. def dataset_factory(type, id):
  18. """A factory functions to create space time or map datasets
  19. :param type: the dataset type: rast or raster; rast3d, raster3d or raster_3d;
  20. vect or vector; strds; str3ds; stvds
  21. :param id: The id of the dataset ("name@mapset")
  22. """
  23. if type == "strds":
  24. sp = SpaceTimeRasterDataset(id)
  25. elif type == "str3ds":
  26. sp = SpaceTimeRaster3DDataset(id)
  27. elif type == "stvds":
  28. sp = SpaceTimeVectorDataset(id)
  29. elif type == "rast" or type == "raster":
  30. sp = RasterDataset(id)
  31. elif type == "raster_3d" or type == "rast3d" or type == "raster3d":
  32. sp = Raster3DDataset(id)
  33. elif type == "vect" or type == "vector":
  34. sp = VectorDataset(id)
  35. else:
  36. msgr = get_tgis_message_interface()
  37. msgr.error(_("Unknown dataset type: %s") % type)
  38. return None
  39. return sp