构造一个pcpatch对象。
语法
pcpatch ST_makePatch(integer pcid, float8[] vals);参数
参数名称 | 描述 |
pcid | schema的id，来自表pointcloud_formats。 |
vals | float8数组，数组元素为schema的dimension维度数的整数倍。 |
示例
SELECT ST_asText(ST_MakePatch(1, ARRAY[-126.99,45.01,1,0, -126.98,45.02,2,0, -126.97,45.03,3,0]));
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{"pcid":1,"pts":[
[-126.99,45.01,1,0],[-126.98,45.02,2,0],[-126.97,45.03,3,0]
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