構造一個pcpatch對象。
語法
pcpatch ST_makePatch(integer pcid, float8[] vals);參數
參數名稱 | 描述 |
pcid | schema的id，來自表pointcloud_formats。 |
vals | float8數組，數組元素為schema的dimension維度數的整數倍。 |
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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