[Geomoose-users] Mouseover map area to show pop up or link- Point Data

FRANZ OKYERE franzzoa at hotmail.com
Fri Jun 25 05:03:23 EDT 2010


Hi all,
I am working locally for now so 'http://localhost/geomoose2/php/identify2.php?', should be fine Nayate. But I have also realised that the problem has everything to do with my projection and this part of the hover code that saids- 
params: {'shape': 'POINT(' + feature.lon + ' ' + feature.lat + ')',
My point data is based on EPSG:32630 which is utm based. I am saying so because when I change the .lon .lat to .x .y the pop up shows up but gives an error that saids-
Fatal error:  [MapServer Error]: msGEOSShapeFromWKT(): Error 
reading WKT geometry "POINT(undefined undefined)".
 in C:\ms4w\apps\cheese\htdocs\php\identify2.php on line 83
Franz
From: nayna.nayate at gis.leg.mn
To: franzzoa at hotmail.com; geomoose-users at lists.sourceforge.net
Date: Thu, 24 Jun 2010 14:30:28 -0500
Subject: RE: [Geomoose-users] Mouseover map area to show pop up or link- Point Data



















I had an issue that maybe somewhat related. The problem was the
hover worked on my PC but not on anyone else’s PC. The problem was the identify.php
in the Hover code.

 My computer accepted the url as http://gis....../php/identify.php.
Everyone else’s computer required a http://www.gis...../php/identify.php.
The website url also needed to be http://www for the
pop-up to show. Instead of just http://. I think it was something to do with a
DNS.

 

Not sure if that’ll helps but that was the issue I had. 

 

If the hover works on polygons, maybe you can buffer the point
layer as a workaround.  Hope that helps.





From: FRANZ OKYERE
[mailto:franzzoa at hotmail.com] 

Sent: 24 June 2010 09:42

To: Geomooselist

Subject: Re: [Geomoose-users] Mouseover map area to show pop up or link-
Point Data





 

Yes
Len, the error is gone from the error console when I was consistent with the
root. But the popup still does not show up when I hover over the point
locations. I will assume there is no problem with using identify tool on points
and keep looking for any mistakes and omissions (if there is could someone
tell me what the workaround is). Cheers.



 





Franz







From: lkne at houstoneng.com

To: franzzoa at hotmail.com; geomoose-users at lists.sourceforge.net

Subject: RE: [Geomoose-users] Mouseover map area to show pop up or link- Point
Data

Date: Thu, 24 Jun 2010 13:49:10 +0000



Seems like it could be a proxy issue.  I notice that the
URL refers to “franzy-pc”, which is probably your localhost. 
Even though frenzy-pc and localhost are the same computer, they are seen as two
different sources.  Can you try changing your URL or matching everything
up in the map-source and hover script?

 

Len

 





From: FRANZ OKYERE
[mailto:franzzoa at hotmail.com] 

Sent: Wednesday, June 23, 2010 1:51 PM

To: Geomooselist

Subject: Re: [Geomoose-users] Mouseover map area to show pop up or link-
Point Data





 



 





I
have set tolerance to a larger pixel value (10) just to make sure. I get the
following error in mozilla's error console anytime I hover over the point
locations.





 





 



Error: uncaught exception: [Exception...
"Component returned failure code: 0x80004005 (NS_ERROR_FAILURE)
[nsIXMLHttpRequest.send]"  nsresult: "0x80004005
(NS_ERROR_FAILURE)"  location: "JS frame :: http://franzy-pc/geomoose2/OpenLayers-2.8/OpenLayers.js
:: anonymous :: line 1081"  data: no]



 







> From: lkne at houstoneng.com

> To: franzzoa at hotmail.com; geomoose-users at lists.sourceforge.net

> Subject: RE: [Geomoose-users] Mouseover map area to show pop up or link

> Date: Wed, 23 Jun 2010 13:43:05 +0000

> 

> Hi Franz

> 

> Do you have TOLERANCE set in your map file for the point layer? Also, the
newer version of MapServer requires the template to have the first line be:

> 

> <!-- MapServer Template -->

> 

> Let us know if this helps.

> 

> Len

> 

> -----Original Message-----

> From: franzzoa at hotmail.com [mailto:franzzoa at hotmail.com] 

> Sent: Wednesday, June 23, 2010 3:19 AM

> To: Geomooselist

> Subject: Re: [Geomoose-users] Mouseover map area to show pop up or link

> 

> Hi all,

> 

> I have succeeded in implementing your code on a polygon data set but with
point data I think there is probably an issue. There seem to be a fundamental
problem that I am not aware of. I have checked and rechecked the templates, the
mapfile and as for the code its the same. There is something probably funny
with the querybypoint as opposed to querybyshape? Any idea Len (its kinda your
brain child?)?

> 

> Franz

> 

> 

> --------------------------------------------------

> From: "Len Kne" <lkne at houstoneng.com>

> Sent: Thursday, June 03, 2010 4:40 PM

> To: "'Brent Fraser'" <bfraser at geoanalytic.com>

> Cc: "Geomooselist" <geomoose-users at lists.sourceforge.net>

> Subject: Re: [Geomoose-users] Mouseover map area to show pop up or link

> 

> > Performance seems ok, you can try it at 

> > http://dev.houstoneng.net/geomoose.html.
Hover over a parcel for 1 

> > second and you should get a popup. It's different than passing over a


> > marker in OL because the handler is triggered after a pause in mouse
movement vs.

> > going over the marker. The downside is there will be a lot of calls 

> > back to the server (could be an issue on a high use app) and in the 

> > case of parcels, the number of popups could get annoying to the
person 

> > looking at the map. Might work better with point data.

> >

> > Len

> >

> > -----Original Message-----

> > From: Brent Fraser [mailto:bfraser at geoanalytic.com]

> > Sent: Thursday, June 03, 2010 10:05 AM

> > To: Len Kne

> > Cc: Geomooselist

> > Subject: Re: [Geomoose-users] Mouseover map area to show pop up or 

> > link

> >

> > Len,

> >

> > That's impressive! How's the performance?

> >

> > Brent

> >

> > Len Kne wrote:

> >> One way would be to use OL Hover handler - see 

> >> http://openlayers.org/dev/examples/hover-handler.html.
Basically it 

> >> is going to make an ajax call to the identify service when the
cursor 

> >> hovers over a spot for a set time. The script below works in my 

> >> testing environment... it could be enabled as a tool or in 

> >> onLoadedMapbook().

> >>

> >>

> >>

> >> Len

> >>

> >>

> >>

> >> // Hover support on WMS and MapServr layers

> >>

> >> var popup;

> >>

> >> OpenLayers.Control.Hover = 

> >> OpenLayers.Class(OpenLayers.Control, {

> >>

> >> defaultHandlerOptions: {

> >>

> >> 'delay': 500,

> >>

> >> 'pixelTolerance': 20,

> >>

> >> 'stopMove': false

> >>

> >> },

> >>

> >>

> >>

> >> initialize: function(options) {

> >>

> >> this.handlerOptions = OpenLayers.Util.extend(

> >>

> >> {}, this.defaultHandlerOptions

> >>

> >> );

> >>

> >> OpenLayers.Control.prototype.initialize.apply(

> >>

> >> this, arguments

> >>

> >> );

> >>

> >> this.handler = new OpenLayers.Handler.Hover(

> >>

> >> this,

> >>

> >> {'pause': this.onPause, 'move': this.onMove},

> >>

> >> this.handlerOptions

> >>

> >> );

> >>

> >> },

> >>

> >>

> >>

> >> onPause: function(evt) {

> >>

> >> var feature = 

> >> Map.getLonLatFromPixel(evt.xy);

> >>

> >> var url = 

> >> '/php/identify.php?';

> >>

> >> var layersArray = 

> >> GeoMOOSE.getVisibleLayers();

> >>

> >> layers = 

> >> layersArray.join(':');

> >>

> >> var requestOptions = 

> >> OpenLayers.Request.GET({

> >>

> >> url:

> >> url,

> >>

> >> params:

> >> {'shape': 'POINT(' + feature.lon + ' ' + feature.lat + ')',

> >>

> >>

> >> 'layers': layers,

> >>

> >>

> >> '_moosetime': (new Date()).getTime() },

> >>

> >> async:

> >> false

> >>

> >> });

> >>

> >>

> >>

> >>

> >> if(requestOptions.responseText) {

> >>

> >> popup 

> >> = new OpenLayers.Popup.FramedCloud("wms",

> >>

> >>

> >> Map.getLonLatFromPixel(evt.xy),

> >>

> >>

> >> null,

> >>

> >>

> >> requestOptions.responseText,

> >>

> >>

> >> null, false);

> >>

> >>

> >> Map.addPopup(popup);

> >>

> >> }

> >>

> >> },

> >>

> >>

> >>

> >> onMove: function(evt) {

> >>

> >> if (popup != null) {

> >>

> >> popup.destroy();

> >>

> >> popup = null;

> >>

> >> }

> >>

> >>

> >>

> >> // if this control sent an Ajax request (e.g.

> >> GetFeatureInfo) when

> >>

> >> // the mouse pauses the onMove callback could be 

> >> used to abort that

> >>

> >> // request.

> >>

> >> }

> >>

> >> });

> >>

> >>

> >>

> >> hover = new OpenLayers.Control.Hover();

> >>

> >> Map.addControl(hover);

> >>

> >> hover.activate();

> >>

> >>

> >>

> >>

> >>

> >>

> >>

> >> *From:* FRANZ OKYERE [mailto:franzzoa at hotmail.com]

> >> *Sent:* Wednesday, June 02, 2010 4:28 PM

> >> *To:* Geomooselist

> >> *Subject:* Re: [Geomoose-users] Mouseover map area to show pop up
or 

> >> link

> >>

> >>

> >>

> >> Thanks,

> >>

> >>

> >>

> >> But is geomoose not based on open layers? If it is then what we
can 

> >> do in open layers should be possible in geomoose, right? I really


> >> need to do this so if you can point me in the right direction and


> >> show me which of the javascript files I should be editing that
would be nice.

> >>

> >>

> >>

> >> Franz

> >>

> >> ---------------------------------------------------------------------

> >> -

> >> --

> >>

> >> Date: Wed, 2 Jun 2010 14:29:24 -0500

> >> From: Bob.Basques at ci.stpaul.mn.us


> >> <mailto:Bob.Basques at ci.stpaul.mn.us>

> >> To: bfraser at geoanalytic.com
<mailto:bfraser at geoanalytic.com>;


> >> franzzoa at hotmail.com
<mailto:franzzoa at hotmail.com>

> >> CC: geomoose-users at lists.sourceforge.net

> >> <mailto:geomoose-users at lists.sourceforge.net>

> >> Subject: Re: [Geomoose-users] Mouseover map area to show pop up
or 

> >> link

> >>

> >> All,

> >>

> >>

> >>

> >> Not on the feature(s), but the layer name/metadata icon in the
side menu.

> >>

> >>

> >>

> >> bobb

> >>

> >>

> >>

> >>

> >>

> >>> >> Brent Fraser <bfraser at geoanalytic.com

> >> <mailto:bfraser at geoanalytic.com>>
wrote:

> >>

> >> You mean by simply moving the cursor over the feature but not 

> >> clicking it?

> >> Geomoose no (as far as I know). OpenLayers has a hover handler so
we 

> >> might be able to use that...

> >>

> >> Brent Fraser

> >>

> >> FRANZ OKYERE wrote:

> >>> Hello all,

> >>>

> >>> I am using geomoose 2.2 and wish to do what google maps or
bing 

> >>> maps are able to do- i.e. mouseover a location on the map and
then 

> >>> get the popup showing up. Any ideas? Is such a thing possible
at 

> >>> all in geomoose?

> >>>

> >>> Cheers.

> >>>

> >>> Franz

> >>>

> >>> GIS Specialist, Ghana.

> >>>

> >>>

> >>>
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> >>> Geomoose-users at lists.sourceforge.net

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