This function transforms a pcpatch object based on a new schema and returns a new pcpatch object.
Syntax
pcpatch ST_transform(pcpatch pc, integer pcid, float8 def default 0.0);Parameters
| Parameter | Description |
|---|---|
| pc | The pcpatch object. |
| pcid | The ID of the new schema, which comes from the pointcloud_formats table. |
| def | The specified value. Attribute dimensions that exist in the new schema but not in the old schema are set to this value. The default value is 0.0. |
Description
Different from the ST_setPcid function, the ST_transform function returns a new pcpatch object based on the different dimension interpretations, scales, or offsets in the new schema.
Examples
update patches set pa=ST_transform(pa, 2, 0.0);
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