Add constrainRotation option to ol.View2D

2014-01-27 15:13:50 +01:00
parent 07a717d967
commit 3196afb4c7
2 changed files with 16 additions and 1 deletions
@@ -91,6 +91,11 @@
 *     The coordinate system for the center is specified with the `projection`
 *     option. Default is `undefined`, and layer sources will not be fetched if
 *     this is not set.
+ * @property {boolean|number|undefined} constrainRotation Rotation constraint.
+ *     `false` means no constraint. `true` means no constraint, but snap to
+ *     zero near zero. A number constraints the rotation to that number of
+ *     values. For example, `4` will constrain the rotation to 0, 90, 180, and
+ *     270 degrees.  The default is `true`.
 * @property {boolean|undefined} enableRotation Enable rotation. Default is
 *     `true`.
 * @property {ol.Extent|undefined} extent The extent that constrains the center,