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https://github.com/pgpointcloud/pointcloud.git
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129 lines
5.2 KiB
Plaintext
129 lines
5.2 KiB
Plaintext
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 IF NOT EXISTS pt_test (
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pt PCPOINT(1)
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);
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\d pt_test
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Table "public.pt_test"
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Column | Type | Modifiers
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--------+------------+-----------
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pt | pcpoint(1) |
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DELETE FROM pt_test;
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INSERT INTO pt_test (pt) VALUES ('00000000020000000100000002000000030004');
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ERROR: no entry in "pointcloud_formats" for pcid = 2
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LINE 1: INSERT INTO pt_test (pt) VALUES ('00000000020000000100000002...
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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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pc_get
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--------
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4
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5
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6
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(3 rows)
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SELECT Sum(PC_Get(pt, 'y')) FROM pt_test;
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sum
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------
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0.09
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(1 row)
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SELECT PC_AsText(pt) FROM pt_test;
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pc_astext
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-----------------------------
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( 1 : 0.01, 0.02, 0.03, 4 )
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( 1 : 0.02, 0.03, 0.03, 5 )
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( 1 : 0.03, 0.04, 0.03, 6 )
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(3 rows)
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CREATE TABLE IF NOT EXISTS pa_test (
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pa PCPATCH(1)
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);
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\d pa_test
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Table "public.pa_test"
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Column | Type | Modifiers
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--------+------------+-----------
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pa | pcpatch(1) |
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DELETE FROM pa_test;
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INSERT INTO pa_test (pa) VALUES ('0000000002000000000000000200000002000000030000000500060000000200000003000000050008');
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ERROR: no entry in "pointcloud_formats" for pcid = 2
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LINE 1: INSERT INTO pa_test (pa) VALUES ('00000000020000000000000002...
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^
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INSERT INTO pa_test (pa) VALUES ('0000000001000000000000000200000002000000030000000500060000000200000003000000050008');
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INSERT INTO pa_test (pa) VALUES ('000000000100000000000000020000000600000007000000050006000000090000000A00000005000A');
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SELECT PC_AsText(pa) FROM pa_test;
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pc_astext
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------------------------------------------------------
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[ 1 : (0.02, 0.03, 0.05, 6), (0.02, 0.03, 0.05, 8) ]
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[ 1 : (0.06, 0.07, 0.05, 6), (0.09, 0.1, 0.05, 10) ]
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(2 rows)
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SELECT PC_Envelope(pa) from pa_test;
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pc_envelope
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----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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\x010300000001000000050000007b14ae47e17a943fb81e85eb51b89e3f7b14ae47e17a943fb81e85eb51b89e3f7b14ae47e17a943fb81e85eb51b89e3f7b14ae47e17a943fb81e85eb51b89e3f7b14ae47e17a943fb81e85eb51b89e3f
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\x01030000000100000005000000b81e85eb51b8ae3fec51b81e85ebb13fb81e85eb51b8ae3f9a9999999999b93f0ad7a3703d0ab73f9a9999999999b93f0ad7a3703d0ab73fec51b81e85ebb13fb81e85eb51b8ae3fec51b81e85ebb13f
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(2 rows)
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SELECT PC_AsText(PC_Explode(PC_Patch(pt))) FROM pt_test;
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pc_astext
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-----------------------------
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( 1 : 0.01, 0.02, 0.03, 4 )
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( 1 : 0.02, 0.03, 0.03, 5 )
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( 1 : 0.03, 0.04, 0.03, 6 )
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(3 rows)
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--DROP TABLE pt_test;
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--DROP TABLE pa_test;
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