XYZDeleteLabel deletes isoline labels inside a rectangle.
Return Value
bool If the function succeeds, the return value bool is TRUE (1). If the function fails, the return value is FALSE (0).
Parameters
A handle of a dataset created with XYZCreate.
rvRect is a vector with 4 elements:
| Value | Meaning |
|---|---|
| rvRect[1] | x-coordinate from Point 1 (P1) |
| rvRect[2] | y-coordinate from Point 1 (P1) |
| rvRect[3] | x-coordinate from Point 1 (P2) |
| rvRect[4] | y-coordinate from Point 1 (P2) |
Example
Deletes all labels:
...
rvRect = XYZGetMatrixRange(hData);
XYZDeleteLabel(hData, rvRect);
...
The rectangle coordinates must be specified in world coordinates. All labels between points P1 and P2 inside the rectangle will be deleted.
See also
id-314814