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66 lines
2.5 KiB
SQL
66 lines
2.5 KiB
SQL
CREATE EXTENSION pointcloud;
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INSERT INTO pointcloud_formats (pcid, srid, schema)
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VALUES (1, 0,
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'<?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">4326</Metadata>
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</pc:metadata>
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</pc:PointCloudSchema>'
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);
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CREATE TABLE pt_test (
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pt PCPOINT
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);
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INSERT INTO pt_test (pt) VALUES ('00000000010000000100000002000000030004');
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INSERT INTO pt_test (pt) VALUES ('00000000010000000200000003000000030005');
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INSERT INTO pt_test (pt) VALUES ('00000000010000000300000004000000030006');
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SELECT PC_Get(pt, 'Intensity') FROM pt_test;
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SELECT Sum(PC_Get(pt, 'y')) FROM pt_test;
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SELECT PC_AsText(pt) FROM pt_test;
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DROP TABLE pt_test;
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