Snap Grid Example

snap grid
Use a PointGrid layer and a Snapping control to snap to a grid of regularly spaced points
Grid rotation:   Grid spacing:   Max points:

This example demonstrates feature editing with snapping to a regular grid. The map is configured with a OpenLayers.Layer.PointGrid layer and a OpenLayers.Control.Snapping agent. For the best performance, the point grid layer should not made visible. Snapping still works with layers that are not visible.

See the snap-grid.js source to see how this is done.