Changes between Version 4 and Version 5 of BluePrintGIStools


Ignore:
Timestamp:
01/26/11 05:44:45 (15 years ago)
Author:
Nico Presto
Comment:

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Legend:

Unmodified
Added
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Modified

  • BluePrintGIStools

    v4 v5  
    1414* buffer calculations
    1515
    16 * Distance measurements
     16* Distance - linear
    1717{{{
    1818select distance(
    … …  
    2020(transform(GeomFromText('Point(lon lat)'), 900913), 26915);
    2121}}}
     22
     23* Distance - Spherical
     24{{{
     25select distance_sphere(
     26(transform(GeomFromText('Point(lon lat)'), 900913),
     27(transform(GeomFromText('Point(lon lat)'), 900913);
     28}}}
     29
     30* Distance - Spheroid
     31{{{
     32select distance_spheroid(
     33(GeomFromText('Point(lon lat)'), 900913),
     34(GeomFromText('Point(lon lat)'), 900913),
     35'SPHEROID["GRS 1980", 6378137, 298.257222101]');
     36}}}
    2237
    2338* intersections
    … …  
    3651}}}
    3752
    38 * Spherical distance
    39 {{{
    40 select distance_sphere(
    41 (transform(GeomFromText('Point(lon lat)'), 900913),
    42 (transform(GeomFromText('Point(lon lat)'), 900913);
    43 }}}
    44 
    45 * Spheroid distance
    46 {{{
    47 select distance_spheroid(
    48 (GeomFromText('Point(lon lat)'), 900913),
    49 (GeomFromText('Point(lon lat)'), 900913),
    50 'SPHEROID["GRS 1980", 6378137, 298.257222101]');
    51 }}}