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https://github.com/pgpointcloud/pointcloud.git
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b5a205c8f2
Previously the version of pointcloud was 1.1.0 while the version of pointcloud_postgis was 1.0.0. With this commit we ensure that the versions are the same. This commit also adds a PC_PostGIS_Version function that returns the version of the pointcloud_postgis extension.
82 lines
2.2 KiB
MySQL
82 lines
2.2 KiB
MySQL
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-- Function to overlap polygon on patch
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--
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CREATE OR REPLACE FUNCTION PC_Intersection(pcpatch, geometry)
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RETURNS pcpatch AS
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$$
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WITH
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pts AS (SELECT PC_Explode($1) AS pt),
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pgpts AS (SELECT ST_GeomFromEWKB(PC_AsBinary(pt)) AS pgpt, pt FROM pts),
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ipts AS (SELECT pt FROM pgpts WHERE ST_Intersects(pgpt, $2)),
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ipch AS (SELECT PC_Patch(pt) AS pch FROM ipts)
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SELECT pch FROM ipch;
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$$
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LANGUAGE 'sql';
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-----------------------------------------------------------------------------
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-- Cast from pcpatch to polygon
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--
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CREATE OR REPLACE FUNCTION PC_EnvelopeGeometry(pcpatch)
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RETURNS geometry AS
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$$
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SELECT ST_GeomFromEWKB(PC_EnvelopeAsBinary($1))
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$$
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LANGUAGE 'sql';
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CREATE OR REPLACE FUNCTION geometry(pcpatch)
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RETURNS geometry AS
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$$
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SELECT PC_EnvelopeGeometry($1)
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$$
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LANGUAGE 'sql';
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CREATE CAST (pcpatch AS geometry) WITH FUNCTION PC_EnvelopeGeometry(pcpatch);
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-----------------------------------------------------------------------------
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-- Cast from pcpoint to point
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--
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CREATE OR REPLACE FUNCTION geometry(pcpoint)
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RETURNS geometry AS
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$$
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SELECT ST_GeomFromEWKB(PC_AsBinary($1))
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$$
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LANGUAGE 'sql';
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CREATE CAST (pcpoint AS geometry) WITH FUNCTION geometry(pcpoint);
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-----------------------------------------------------------------------------
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-- Function to overlap polygon on patch
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--
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CREATE OR REPLACE FUNCTION PC_Intersects(pcpatch, geometry)
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RETURNS boolean AS
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$$
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SELECT ST_Intersects($2, PC_EnvelopeGeometry($1))
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$$
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LANGUAGE 'sql';
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CREATE OR REPLACE FUNCTION PC_Intersects(geometry, pcpatch)
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RETURNS boolean AS
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$$
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SELECT PC_Intersects($2, $1)
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$$
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LANGUAGE 'sql';
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-----------------------------------------------------------------------------
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-- Function from pcpatch to LineString
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--
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CREATE OR REPLACE FUNCTION PC_BoundingDiagonalGeometry(pcpatch)
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RETURNS geometry AS
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$$
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SELECT ST_GeomFromEWKB(PC_BoundingDiagonalAsBinary($1))
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$$
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LANGUAGE 'sql';
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-----------------------------------------------------------------------------
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-- Function returning the version number
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--
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CREATE OR REPLACE FUNCTION PC_PostGIS_Version()
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RETURNS text AS $$ SELECT '@POINTCLOUD_VERSION@'::text $$
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LANGUAGE 'sql' IMMUTABLE STRICT;
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