[OpenLayers-Users] Is it possible to make the geometry persist event the measure control is cancdled?

[maven apache]

This is the core codes:

*

(function() {
    function application() {

    }
    application.prototype = {
        init : function() {
            this.mmap = new OpenLayers.Map("map");
            this.drawLayer = new OpenLayers.Layer.Vector("drawfeature", {
                displayInLayerSwitcher : this.overlayDisplayInLayerSwitcher
            });
            var measureControls = {
                distance : new
OpenLayers.Control.Measure(OpenLayers.Handler.Path, opts),
                area : new
OpenLayers.Control.Measure(OpenLayers.Handler.Polygon, opts)
            };
            for ( var key in measureControls) {
                var c = measureControls[key];
                c.events.on({
                    "measure" : this.handleMeasurements,
                    "measurepartial" : this.handleMeasurements,
                    scope : this
                });
                map.addControl(c);
            }
            this.measureControls = measureControls;

            // init the event handler
            $(".maptool span").click(function() {
                if ($(this).data("control")) {
                    var controlName = $(this).data("control");// distance or
                    // area
                    var control = that.measureControls[controlName];
                    if (control) {
                        control.activate();
                    }
                }
            });
        },

        handleMeasurements : function(event) {
            var geometry = event.geometry;
            var units = event.units;
            var order = event.order;
            var measure = event.measure;
            var out = "";
            if (order == 1) {
                out += "measure: " + measure.toFixed(3) + " " + units;
            } else {
                out += "measure: " + measure.toFixed(3) + " " + units +
"<sup>2</" + "sup>";
            }
            if (this.measurePopup) {
                this.mmap.removePopup(this.measurePopup);
            } else {
                var cps = geometry.getCentroid();
                var pos = new OpenLayers.LonLat(cps.x, cps.y);
                this.measurePopup = new OpenLayers.Popup("xx", pos, new
OpenLayers.Size(80, 20), out, true);
                this.mmap.addPopup(this.measurePopup);
            }
            if (event.type == "measure") {
                // the measurement is completed, then tried to clone the
geometry and add it to the darwlayer
                this.drawLayer.addFeatures(geometry.clone());
*
*                //deactivate the control, then use can drag-pan the map
normally
*
*                event.object.deactivate();
            }
        }
    }
    var app = new application();
    window.app = app.app;
})();
window.onload = function() {
    window.app && window.app.init();
}*


2013/6/1 Vince Lotito <vince at vvl.com>

> Send code sample...
>
> Sent from my iPad
>
> On Jun 1, 2013, at 9:10 AM, "maven apache" <apachemaven0 at gmail.com> wrote:
>
> IN  fact, I  have  tried  that, but  it  does  not  work.   I  have
>  created  a  vector  layer, in  the  measure  event, I  get  the  geometry,
> clone it, add  it  to  the  layer  using the  addfeature  method, but, it
>  does  not  worked  as  expected.
>
> reply  by my  HTC phone, sorry  for my  spell.
>
> 在 2013年6月1日星期六，Vince Lotito <vince at vvl.com> 写道：
> >
> > In your measure control tap into the measure event, from there grab the
> geometry and clone it into a vector layer.... You'll also have to create a
> text label at the centroid with the actual measurement.
> >
> > Vince
> >
> >
> > Sent from my iPad
> >
> > On Jun 1, 2013, at 5:15 AM, "maven apache" <apachemaven0 at gmail.com>
> wrote:
> >
> >> Hi:
> >>
> >> I am using the Measure Control in OpenLayers.
> >>
> >> And I want to keep the geometry presisit in the map when one measure
> completed.
> >>
> >> I know there is a property named "persisit" to make the geomery visible
> after the measure completed, but once the cancel is called for the control
> or the deactivate of the handler is called, the geometry will disappeared.
> This is not what I want.
> >>
> >> So I wonder if my requirement is possible?
> >> _______________________________________________
> >> Users mailing list
> >> Users at lists.osgeo.org
> >> http://lists.osgeo.org/mailman/listinfo/openlayers-users
> >
>
> _______________________________________________
> Users mailing list
> Users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/openlayers-users
>
>
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