Hi Mark, I know what you mean about the sticky digitizing... I was told to look at the resetCanvas function in the Measure.js file to get rid of that leftover digitize graphics...but I haven't tried it yet...
gordon Mark Pendergraft wrote: > > I was in no way implying the wheel should be reinvented, in fact the > code I posted was an example of how to use the MapGuideViewerAPI.js > supplied DigitizePolygon(handler) function that you referred to. > > I did say that I would like to see some method to clear the digitized > shapes after the function's handler has been called. In MGOS 1.2 after > a polygon was digitized, it was destroyed. In MGOS 2 with Fusion 1.1, > the polygon stays on the map until the user closes their browser. > > -Mark P. > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of GordonL > Sent: Thursday, January 29, 2009 1:20 PM > To: [email protected] > Subject: RE: [mapguide-users] Fusion and Digitizing > > > You know, you really do not need to reinvent the wheel, if you have > already > built a lot of code with the Basic Web Layouts. Did you know that > Fusion > supports some retro digitizing methods? > For example, I put the following in an INVOKESCRIPT in the Flexible Web > Layout: > > top.parent.DigitizePoint(top.OnPointDigitized); > > I also have the OnPointDigitized in a JS file attached to the main > frame/window. So I reuse my code for both FUSION and Basic Web > Layouts... > > Just check out the functions in the MapGuideViewerApi.js in the > /www/fusion/MapGuide/ folder... > They include: > Refresh() > SetSelectionXML(selectionXml) > ZoomToView(x, y, scale, refresh) > DigitizePoint(handler) > DigitizeLine(handler) > DigitizeLineString(handler) > DigitizeRectangle(handler) > DigitizePolygon(handler) > > They work just like the classic MapGuide Viewer API...pretty sweet. > > gordon > > > > > Mark Pendergraft wrote: >> >> Absolutely. >> My biggest beef with digitizing in Fusion is that when you digitize an >> object (point/polygon/etc.) it stays on the map. The existing > functions >> don't have a clear method to remove the digitized object, and my >> programming skills aren't good enough that I want to mess with it. >> >> It's very simple, >> Add a reference to MapGuideViewerApi.js and call DigitizePolygon() >> >> The DigitizePolygon function requires that you pass it a handler >> >> Something similar to the following: >> >> DigitizePolygon(CreateJobByPolygon); >> >> function CreateJobByPolygon(polygon) { >> var geomText = polygon.Count; >> for (var i = 0; i < polygon.Count; i++){ >> geomText += "," + polygon.Point(i).X + "," + > polygon.Point(i).Y; >> } >> Fusion.getWidgetById('Map').setCursor('auto'); >> // here you would send your geomText to a web service, or aspx page >> that would turn the coordinates into a linear ring >> // and then a polygon from there. The geomText variable (in this >> particular situation) evaluates to something similar to >> // 3,5000.00,5000.00,5050.00,5050.00,5100.00,5100.00 >> } >> >> >> Of course you can format the way the coordinates are sent to your >> application any way you want. >> >> I would also recommend calling the DigitizePolygon() function from an >> InvokeScript() widget, as I had some problems when I tried to actually >> create a widget and call it from there. Also, I prefer to change my >> cursor when the widget is activated, you can see I put it back to > 'auto' >> in the CreateJobByPolygon() function, but I like to set it to >> 'crosshair' before the DigitizePolygon function is called. >> >> -Mark P. >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Stefan >> Dalakov >> Sent: Friday, January 23, 2009 12:35 PM >> To: MapGuide Users Mail List >> Subject: [mapguide-users] Fusion and Digitizing >> >> Hi all, >> From what I read here, should I conclude that digitizing functions in > >> Fusion are not yet fully supported ? >> I need to digitize a polygon on the map and save it permanently. I > have >> this working with AJAX viewer, but would like to port it to Fusion >> Has anyone succeeded to do this ? >> >> Stefan Dalakov >> >> >> _______________________________________________ >> mapguide-users mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/mapguide-users >> _______________________________________________ >> mapguide-users mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/mapguide-users >> >> > > -- > View this message in context: > http://n2.nabble.com/Fusion-and-Digitizing-tp2205560p2241352.html > Sent from the MapGuide Users mailing list archive at Nabble.com. > > _______________________________________________ > mapguide-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapguide-users > _______________________________________________ > mapguide-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapguide-users > > -- View this message in context: http://n2.nabble.com/Fusion-and-Digitizing-tp2205560p2241485.html Sent from the MapGuide Users mailing list archive at Nabble.com. _______________________________________________ mapguide-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapguide-users
