This function creates a union of the two specified source regions and places the resulting region in the destination region.
Type | Name | Description |
---|---|---|
GR_REGION_ID | dst_rgn | The ID of the destination region. |
GR_REGION_ID | src_rgn1 | The ID of the the first of two source regions. |
GR_REGION_ID | src_rgn2 | The ID of the second of two source regions. |