Trim line

To trim or extend the line using reference line.

Use method Mouse or Closest point. Show the line close to the end you want to trim/extend.

Save with the Shift-key resets both lines.

Reference line

Select the reference line, which shows where to cut or how long to extend the trim line.

2 points with mouse

Select two points using method Mouse or Closest point.

Breakline

Select a break line.

Trim line

Select the trim line, which needs to be edited. You’ll see the change immidiately and you can Save the changes or select a new trim line.

The intersection point will get height from the trim line. In case of Extend, the two preceeding points are used to extrapolate the height.

Add point to reference line

Adds intersection point automatically to reference line. Point height is calculated from reference line. Checkbox must be selected, when pointing trimmed line.

Keep point on continued line

Keeps the original line end point, when the line is continued to the reference line.

Save

Save the changes. After save you can select a new reference line or you can Reset and select also the reference line.

Reset

To clear both lines.