Temporal extension for GRASS GIS 7: Difference between revisions
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'''Looking for the time series tutorial? See [[Temporal data processing]]''' | |||
{{MovedToTrac|Grass7/TemporalExtension}} | |||
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= Adding the time dimension to GRASS GIS raster, vector and voxel data types for field based applications using a time stamp approach = | = Adding the time dimension to GRASS GIS raster, vector and voxel data types for field based applications using a time stamp approach = | ||
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** The '''creation date''' is of type datetime | ** The '''creation date''' is of type datetime | ||
** The '''modification date''' is of type datetime | ** The '''modification date''' is of type datetime | ||
* The '''absolute time table''' to store the absolute time stamps for each map. The layout is equal for raster, raster3d and vector maps. This table stores: | * The '''absolute time table''' to store the absolute time stamps for each map. The layout is equal for raster, raster3d and vector maps. This table stores: | ||
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== New temporal modules == | == New temporal modules == | ||
New temporal modules must be implemented for registration and un-registration and extraction of raster, voxel and vector maps in | New temporal modules must be implemented for registration and un-registration and extraction of raster, voxel and vector maps in spacetime datasets: | ||
* tr.register, tr.unregister, tr.extract | * {{cmd|tr.register|version=70}}, {{cmd|tr.unregister|version=70}}, {{cmd|tr.extract|version=70}} | ||
* t3.register, t3.unregister, t3.extract | * {{cmd|t3.register|version=70}}, {{cmd|t3.unregister|version=70}}, {{cmd|t3.extract|version=70}} | ||
* tv.register, tv.unregister, tv.extract | * {{cmd|tv.register|version=70}}, {{cmd|tv.unregister|version=70}}, {{cmd|tv.extract|version=70}} | ||
* Spacetime modules for resampling, interpolation, time stamp snapping and extraction must be implemented. | * Spacetime modules for resampling, interpolation, time stamp snapping and extraction must be implemented. | ||
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* Update/creation of base table entries, so the SQL tables can be modified in low level GRASS GIS library functions (creation, deletion of maps) | * Update/creation of base table entries, so the SQL tables can be modified in low level GRASS GIS library functions (creation, deletion of maps) | ||
* Selection of maps from spacetime datasets | * Selection of maps from spacetime datasets | ||
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Latest revision as of 10:15, 1 February 2015
Looking for the time series tutorial? See Temporal data processing