Changes between Version 14 and Version 15 of LayerAlgebra


Ignore:
Timestamp:
Aug 11, 2012, 9:15:41 PM (12 years ago)
Author:
EliL
Comment:

fix typo

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  • LayerAlgebra

    v14 v15  
    2323[[Image(Intersection.jpg)]]
    2424
    25 '''Figure''' An example of the intersection (c) of two layers (a and b) created with Geoinformatica, which uses the GDAL Perl bindings. The schema of layer a is (A int) and that of b is (B int), the layer c is the result layer. The schema of c was empty when the Intersection method was called, thus it gets the schema (A int, B int). The result (c, light green) is as if a (light blue) was clipped to the rectangle in b (shown in light orange). The numbers in the map are the values of attribute A of a and B of B.
     25'''Figure''' An example of the intersection (c) of two layers (a and b) created with Geoinformatica, which uses the GDAL Perl bindings. The schema of layer a is (A int) and that of b is (B int), the layer c is the result layer. The schema of c was empty when the Intersection method was called, thus it gets the schema (A int, B int). The result (c, light green) is as if a (light blue) was clipped to the rectangle in b (shown in light orange). The numbers in the map are the values of attribute A of a and B of b.
    2626
    2727== Union ==
     
    6767== Erase ==
    6868
    69 The erase method creates a layer, which has features from the input layer whose areas are arased by the features in the method layer. By default the result layer has attributes of the input layer.
     69The erase method creates a layer, which has features from the input layer whose areas are erased by the features in the method layer. By default the result layer has attributes of the input layer.
    7070
    7171[[Image(Erase.jpg)]]