Lasso Selection Demo
This demo shows how to configure LassoSelectionInputMode for lasso
selection mode. In this mode, graph items can be selected by dragging a lasso line around
Things to Try
Switch between the selection styles:
Free-hand lasso selection will create a curved line while dragging and select the
items when releasing the mouse button
Polyline lasso selection will start a segment while dragging and create a bend when
releasing the mouse button. The selection is finished when the mouse button is
released within the radius around the start point or on double-click.
Marquee selection is the default selection style in yFiles for HTML. It is
used as a reference here.
Adjust the finish radius: When the mouse-button is released at the start point, the
selection is finished. The finish radius determines how close to the start point this
Select different conditions to select nodes:
Select Intersected Nodes: Nodes will end up in the selection if the lasso contains
or at least intersects with their layout.
Select Complete Nodes: Nodes will only be selected if the lasso completely contains
Select Node's Center: The selection will only contain nodes whose center is inside
the lasso line.
Note that on touch devices the selection gesture starts with a long press.