Changes between Version 6 and Version 7 of Grass7/TemporalExtension


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Timestamp:
Jul 6, 2011, 1:53:16 PM (13 years ago)
Author:
huhabla
Comment:

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  • Grass7/TemporalExtension

    v6 v7  
    119119== Basic Spatio-temporal algorithms ==
    120120
    121 Extraction is based on where SQL statements or specific time stamps. Interpolated maps are created or existing map ids will be returned.
    122 The extraction tool will provide different types of extraction algorithms
    123 Nearest neighbour
    124 Interpolation (only raster and voxel maps) (linear, quadratic, ...) or
    125 first valid time stamp.
     121Extraction is based on where SQL statements or specific time stamps. Internally a temporal rtree will be created to store temporal ordered maps. Interpolated maps are created or existing map ids will be returned.
     122The extraction tool will provide different types of extraction algorithms:
     123  * Nearest neighbour
     124  * Interpolation (only raster and voxel maps) (linear, quadratic, ...) or
     125  * first/last valid time stamp.
    126126
    127127
     
    131131  * max and min functions
    132132
     133Example: resampling allows to create weekly, monthly , seasonal or yearly aggregation of daily data
    133134== Implementation details ==
    134135