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70 lines
2.9 KiB
SQL
70 lines
2.9 KiB
SQL
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "CREATE EXTENSION pointcloud" to load this file. \quit
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-- Confirm the XML representation of a schema has everything we need
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CREATE OR REPLACE FUNCTION PC_SchemaIsValid(xml text)
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RETURNS boolean AS 'MODULE_PATHNAME','PC_SchemaIsValid'
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LANGUAGE 'c' IMMUTABLE STRICT;
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-- Metadata table describing contents of pcpoints
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CREATE TABLE pointcloud_formats (
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pcid INTEGER PRIMARY KEY,
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srid INTEGER, -- REFERENCES spatial_ref_sys(srid)
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schema TEXT
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CHECK ( PC_SchemaIsValid(schema) )
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);
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-- Register pointcloud_formats table so the contents are included in pg_dump output
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SELECT pg_catalog.pg_extension_config_dump('pointcloud_formats', '');
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-- Sample data
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INSERT INTO pointcloud_formats (pcid, srid, schema) VALUES (1, 4326, '<?xml version="1.0" encoding="UTF-8"?>
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<pc:PointCloudSchema xmlns:pc="http://pointcloud.org/schemas/PC/1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<pc:dimension>
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<pc:position>1</pc:position>
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<pc:size>4</pc:size>
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<pc:description>X coordinate as a long integer. You must use the scale and offset information of the header to determine the double value.</pc:description>
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<pc:name>X</pc:name>
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<pc:interpretation>int32_t</pc:interpretation>
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<pc:scale>0.01</pc:scale>
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</pc:dimension>
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<pc:dimension>
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<pc:position>2</pc:position>
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<pc:size>4</pc:size>
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<pc:description>Y coordinate as a long integer. You must use the scale and offset information of the header to determine the double value.</pc:description>
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<pc:name>Y</pc:name>
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<pc:interpretation>int32_t</pc:interpretation>
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<pc:scale>0.01</pc:scale>
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</pc:dimension>
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<pc:dimension>
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<pc:position>3</pc:position>
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<pc:size>4</pc:size>
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<pc:description>Z coordinate as a long integer. You must use the scale and offset information of the header to determine the double value.</pc:description>
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<pc:name>Z</pc:name>
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<pc:interpretation>int32_t</pc:interpretation>
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<pc:scale>0.01</pc:scale>
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</pc:dimension>
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<pc:dimension>
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<pc:position>4</pc:position>
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<pc:size>2</pc:size>
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<pc:description>The intensity value is the integer representation of the pulse return magnitude. This value is optional and system specific. However, it should always be included if available.</pc:description>
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<pc:name>Intensity</pc:name>
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<pc:interpretation>uint16_t</pc:interpretation>
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<pc:scale>1</pc:scale>
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</pc:dimension>
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<pc:metadata>
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<Metadata name="compression"></Metadata>
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<Metadata name="ght_xmin"></Metadata>
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<Metadata name="ght_ymin"></Metadata>
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<Metadata name="ght_xmax"></Metadata>
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<Metadata name="ght_ymax"></Metadata>
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<Metadata name="ght_keylength"></Metadata>
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<Metadata name="ght_depth"></Metadata>
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<Metadata name="spatialreference" type="id" authority="EPSG">4326</Metadata>
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</pc:metadata>
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</pc:PointCloudSchema>
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'); |