Function Description

Splits lines or regions using a drawn temporary split line.

The Line Split button is only available when there is an editable layer in the current map and there are one or more selected objects in the layer.

When multi-layer editing is enabled, the drawn temporary split line will split all selected lines or regions in the editable layers it traverses. These objects can be located in different layers.

Functional Entry

• Edit Data tab -> Feature Editing group -> General editing -> Partition -> Line Split

Operation Instructions

1. Set the layer containing the line or region geometry objects to be split in the map to an editable state.
2. Click to select the line or region to be split. Alternatively, select multiple geometries by dragging a box or holding down the Shift key.
3. In the General editing drop-down menu of the Edit Data tab, click the Line Split button in the Partition group to perform the line split operation. At this point, the operation status in the current map is set to line split for lines or region objects.
4. Draw the temporary split line, i.e., draw the temporary polyline used to split the region. The specific operation is: Move the mouse to the map to draw the split line, click the left mouse button at an appropriate position to define the first point of the split line, move the mouse, a temporary line segment will appear and change with the mouse movement, click the mouse at an appropriate position to define the next point of the split line, continue clicking the mouse to draw other points of the temporary split line.
5. After the temporary split line (polyline) is drawn, right-click the mouse to finish drawing the temporary split line. At this moment, the split operation will be executed, and the temporary split line will disappear.
6. The result of the split is: All selected lines or regions in the editable layers traversed by the temporary split line will be split into separate objects.
7. To proceed with the next line split operation, repeat step 4 above; If you need to add lines or regions from other data for splitting, then add the data and set the corresponding layer settings to an editable state, then repeat step 4 above.
8. To cancel the line split operation status, simply click the Line Split button to deactivate it (so it is not in a pressed state).

Line Split Operation Diagram:

Notes:

1. When multi-layer editing is enabled, users can simultaneously split lines or regions in multiple editable layers using line split.
2. Parametric objects do not support line split, such as circles, arcs, ellipses, etc.
3. Only when the temporary split line completely traverses an editable line or region, will that geometry be split, as shown in the schematic diagram below.