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The "SolrAdaptersForLuceneSpatial4" page has been changed by Bill Bell: http://wiki.apache.org/solr/SolrAdaptersForLuceneSpatial4?action=diff&rev1=21&rev2=22 * All WKT coordinates are normalized into the standard geospatial lat-lon boundaries. So, -184 longitude becomes +176, for example. Both +180 and -180 are kept distinct -- true for all of Spatial4j, not just JTS. * The standard way to specify a rectangle in WKT is a Polygon -- WKT doesn't have a rectangle shape. If you want to specify a Rectangle via WKT (instead of the Spatial4j basic non-WKT syntax), you should take care to specify the coordinates in counter-clockwise order, the WKT standard. If this is done wrong then the rectangle will go the opposite direction longitudinally, even if it means one that spans nearly the entire globe (>180 degrees width). OpenLayers seems to not honor the WKT standard here, and depending on the corner you drag the rectangle from, might use a clockwise order. Some systems like PostGIS don't care what the ordering is, but the problem there is that there is then no way to specify a rectangle that has >= 180 width because there would be ambiguity. Spatial4j follows the WKT spec. + == TO DO == + + * ability to pass d parameter for km or miles for small distances (helper?) +
