[OpenLayers-Dev] Dev Digest, Vol 43, Issue 8

Bart van den Eijnden bartvde at osgis.nl
Thu Apr 8 12:17:44 EDT 2010


Have you updated your theme directory (and style.css) as well? For me it shows up in the upper right corner.

Best regards,
Bart

On Apr 8, 2010, at 4:34 PM, Burns, Donnie CTR US USJFCOM J7 wrote:

> I have a question regarding the 2.9_r10183 trunk rel. When implementing
> this ver. the layerSwitcher appears in the upper left-corner as opposed
> to the upper-right (v2.8). It is positioned beneath the Navigation
> Control. When the LayerControl is expanded the panel appears opaque and
> the close handle is attached to the bottom outside corner. Because of
> the opaqueness the handle can not been seen. I have not found a way to
> alter this behavior in the css.  
> I'd appreciate any assistance. I am new to OpenLayers and hope this is
> the appropriate forum to submit a question. If not please advise. Thnx.
> -----Original Message-----
> From: dev-bounces at openlayers.org [mailto:dev-bounces at openlayers.org] On
> Behalf Of dev-request at openlayers.org
> Sent: Thursday, April 08, 2010 3:04 AM
> To: dev at openlayers.org
> Subject: Dev Digest, Vol 43, Issue 8
> 
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> 
> Today's Topics:
> 
>   1. Re: Graticule control can't be deactivated (Xavier Mamano (jorix))
>   2. Need ideas for VML feature text label rendering	speed
>      improvement (Cliang)
>   3. Re: Need ideas for VML feature text label rendering speed
>      improvement (Cliang)
>   4. Re: Get direction from route to route... draw route on	map
>      (Like GPS) (Stephen Woodbridge)
>   5. Re: Chrome issue with WMS (C?dric Moullet)
>   6. VML optimization- node.style.cssText in IE	possible?
>      (ashley_c_mort)
>   7. Raster map shift - still no clues (Stefanie Weykam)
>   8. call for vote on 2.9 RC2 (bartvde at osgis.nl)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Wed, 7 Apr 2010 09:44:48 -0800 (PST)
> From: "Xavier Mamano (jorix)" <xavier.mamano at gmail.com>
> Subject: Re: [OpenLayers-Dev] Graticule control can't be deactivated
> To: dev at openlayers.org
> Message-ID: <1270662288438-4866434.post at n2.nabble.com>
> Content-Type: text/plain; charset=us-ascii
> 
> 
> I think that usability is important, for this I open the ticket
> http://trac.openlayers.org/ticket/2567 to add  the activation and
> deactivation in Graticule control.
> -- 
> View this message in context:
> http://n2.nabble.com/Graticule-control-can-t-be-deactivated-tp4836670p48
> 66434.html
> Sent from the OpenLayers Dev mailing list archive at Nabble.com.
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Wed, 7 Apr 2010 11:01:11 -0800 (PST)
> From: Cliang <thephatness.nabble at mailnull.com>
> Subject: [OpenLayers-Dev] Need ideas for VML feature text label
> 	rendering	speed improvement
> To: dev at openlayers.org
> Message-ID: <1270666871800-4866820.post at n2.nabble.com>
> Content-Type: text/plain; charset=us-ascii
> 
> 
> Hi Devs,
> 
> First of all, great work! It has been a pleasure to use the framework.
> 
> My app contains a vector based drilldown style map. United States
> (labels: 2
> char state abbreviation) -> State (labels: 2 char county abbreviation)
> ->
> County (labels: 5 digit Zip code). The target browser is IE 7/8. While
> it
> renders fine on non-IE browsers, IE itself spends a significant amount
> of
> time drawing text according to the built-in profiling tool. I've tweaked
> the
> geometries to have max 2000 vertices but some levels contain over 200
> features (extreme cases: 254 Texas counties, 282 Los Angeles zip codes).
> 
> I was thinking of preventing the label from being drawn if it does not
> fit
> within the width of the geometry at the centroid for the current zoom.
> It
> seems like some time is spent rendering the VML textbox offline to
> determine
> the size. I would be fine with estimating the width from the number of
> characters since the label text characters are relatively equal width.
> VML
> rendering is beyond what my brain can wrap around so any suggestions of
> how
> I can tweak VML.js to do this?
> 
> Thanks!
> -=Cliff
> -- 
> View this message in context:
> http://n2.nabble.com/Need-ideas-for-VML-feature-text-label-rendering-spe
> ed-improvement-tp4866820p4866820.html
> Sent from the OpenLayers Dev mailing list archive at Nabble.com.
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Wed, 7 Apr 2010 13:17:19 -0800 (PST)
> From: Cliang <thephatness.nabble at mailnull.com>
> Subject: Re: [OpenLayers-Dev] Need ideas for VML feature text label
> 	rendering speed improvement
> To: dev at openlayers.org
> Message-ID: <1270675039724-4867617.post at n2.nabble.com>
> Content-Type: text/plain; charset=us-ascii
> 
> 
> Digging deeper, as ugly as this is, it will work for me for now:
> 
> In OpenLayers.Renderer.drawFeature()
> 
> if ((bounds.getSize().w / this.getResolution()) > (style.label.length *
> 7))
> {
>    this.drawText(feature.id, style, location);
> } else {
>    this.removeText(feature.id);
> }
> 
> -- 
> View this message in context:
> http://n2.nabble.com/Need-ideas-for-VML-feature-text-label-rendering-spe
> ed-improvement-tp4866820p4867617.html
> Sent from the OpenLayers Dev mailing list archive at Nabble.com.
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Wed, 07 Apr 2010 22:46:45 -0400
> From: Stephen Woodbridge <woodbri at swoodbridge.com>
> Subject: Re: [OpenLayers-Dev] Get direction from route to route...
> 	draw route on	map (Like GPS)
> To: Alexandre Dube <adube at mapgears.com>
> Cc: dev at openlayers.org
> Message-ID: <4BBD4395.1070909 at swoodbridge.com>
> Content-Type: text/plain; charset=UTF-8; format=flowed
> 
> Alexandre Dube wrote:
>> Hi,
>> 
>> CampToCamp worked on such a widget in GeoExt.ux. Currently in a
> sandbox :
>> 
> http://dev.geoext.org/sandbox/cmoullet/ux/RoutingPanel/examples/RoutingP
> anelExample.html
>> 
>> See also :
>> http://pgrouting.postlbs.org/
> 
> See also :
> 
> http://opengraphrouter.sourceforge.net/
> http://imaptools.com:8080/maps/gsoc2009/?zoom=7&lat=52.6515&lon=-122.375
> 22&layers=BTTT&start=-122.546657%2053.327732&stop=-122.108537%2052.23878
> 1&method=GetDD&lang=eng
> 
> Here is a similar demo using pgRouting, albeit one that I have modified 
> to some extent:
> 
> http://gis.imaptools.com/routing/leaddog/?zoom=10&lat=33.85674&lon=35.53
> 073&layers=B0TTTF&start=35.493266%2033.82595&stop=35.623749%2033.813568&
> method=STS&lang=eng
> 
> -Steve
> 
>> Regards,
>> 
>> Alexandre
>> 
>> yellow wrote:
>>> Hi,
>>> 
>>> I would like to know if it is possible to create an application using
> open
>>> layers that gives users the shortest road to a particular destination
> by
>>> drawing the route on the map. And if possible avoiding one-way roads.
>>> 
>>> Can anyone please suggest any resources, ideas or show me a simple
> example.
>>> 
>>> Thanks in advance. 
>>> 
>> 
>> 
> 
> 
> 
> ------------------------------
> 
> Message: 5
> Date: Thu, 8 Apr 2010 07:21:58 +0200
> From: C?dric Moullet <cedric.moullet at camptocamp.com>
> Subject: Re: [OpenLayers-Dev] Chrome issue with WMS
> To: Pierre Giraud <pierre.giraud at camptocamp.com>
> Cc: OpenLayers dev mailing list <dev at openlayers.org>
> Message-ID:
> 	<m2j156196721004072221raf6d35d0m1ce673922b05867c at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> I have created a ticket: http://trac.openlayers.org/ticket/2568
> <http://trac.openlayers.org/ticket/2568>Unfortunately, I was not able to
> create a patch.
> C?dric
> 
> 2010/4/1 Pierre Giraud <pierre.giraud at camptocamp.com>
> 
>> Yep, this is an important information.
>> I succeeded in reproducing the issue in Chrome 4.x on Linux too.
>> The problem doesn't seem to appear in Chrome 5.x.
>> 
>> In fact, it seems like the transition.html example in OpenLayers
> doesn't
>> behave as expected in Chrome 4.x.
>> 
>> Pierre
>> 
>> 
>> 2010/4/1 C?dric Moullet <cedric.moullet at camptocamp.com>
>> 
>>> Hi,
>>> It seems that this use case is not always reproducible.
>>> 
>>> OS: Windows Vista
>>> Chrome Version: 4.1.249.1045 (42898)
>>> 
>>> Here is more detailes use case.
>>> 1. http://www.openaddresses.org/
>>> <http://www.openaddresses.org/>2. Search Lausanne in geonames search
> and
>>> recenter to Lausanne
>>> 3. With Shift key, draw a small zoom rectangle in the middle of the
> red
>>> points.
>>> 4. You should see the big points now.
>>> 
>>> At least by me, I can reproduce the issue.
>>> Can you reproduce this case ? If yes, any idea of the cause ?
>>> Thanks a lot,
>>> C?dric
>>> 
>>> 2010/4/1 C?dric Moullet <cedric.moullet at camptocamp.com>
>>> 
>>>> Hi,
>>>> In OpenAddresses, we have the following problem with chrome:
>>>> 1. Try to open with chrome
>>>> 
> http://www.openaddresses.org/?northing=5863427.1119846&easting=738362.58
> 397773&zoom=12&overlayOpacity=0.7
>>>> 
> <http://www.openaddresses.org/?northing=5863427.1119846&easting=738362.5
> 8397773&zoom=12&overlayOpacity=0.7>2.
>>>> Make a zoom in
>>>> 
>>>> Result: we see large red points. It seems that the WMS layer is not
>>>> refresh and keep the resized image.
>>>> If needed the code of the layer creation is here:
>>>> 
> http://code.google.com/p/openaddresses/source/browse/trunk/openaddresses
> /openaddresses/public/app/js/OpenAddressesLayout.js#257
>>>> 
>>>> This affects only chrome: do you have an idea of the cause of the
> problem
>>>> ?
>>>> Thanks in advance,
>>>> C?dric
>>>> 
>>>> --
>>>> Geospatial Director Camptocamp SA
>>>> C?dric Moullet
>>>> PSE A
>>>> CH-1015 Lausanne
>>>> www.camptocamp.com  / www.mapfish.org / twitter.com/cedricmoullet /
>>>> mapfishblog.blogspot.com/
>>>> 
>>>> +41 79 759 69 83 (mobile)
>>>> +41 21 619 10 21 (direct)
>>>> +41 21 619 10 10 (centrale)
>>>> +41 21 619 10 00 (fax)
>>>> 
>>> 
>>> 
>>> 
>>> --
>>> Geospatial Director Camptocamp SA
>>> C?dric Moullet
>>> PSE A
>>> CH-1015 Lausanne
>>> www.camptocamp.com  / www.mapfish.org / twitter.com/cedricmoullet /
>>> mapfishblog.blogspot.com/
>>> 
>>> +41 79 759 69 83 (mobile)
>>> +41 21 619 10 21 (direct)
>>> +41 21 619 10 10 (centrale)
>>> +41 21 619 10 00 (fax)
>>> 
>>> _______________________________________________
>>> Dev mailing list
>>> Dev at openlayers.org
>>> http://openlayers.org/mailman/listinfo/dev
>>> 
>>> 
>> 
>> 
>> --
>> Pierre GIRAUD
>> G?omaticien, Analyste
>> 
>> Camptocamp France SAS
>> Savoie Technolac, BP 352
>> 73377 Le Bourget du Lac, Cedex
>> 
>> Tel : 00 33 4 79 44 44 93
>> Mail : pierre.giraud at camptocamp.com
>> http://www.camptocamp.com
>> 
> 
> 
> 
> -- 
> Geospatial Director Camptocamp SA
> C?dric Moullet
> PSE A
> CH-1015 Lausanne
> www.camptocamp.com  / www.mapfish.org / twitter.com/cedricmoullet /
> mapfishblog.blogspot.com/
> 
> +41 79 759 69 83 (mobile)
> +41 21 619 10 21 (direct)
> +41 21 619 10 10 (centrale)
> +41 21 619 10 00 (fax)
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> ------------------------------
> 
> Message: 6
> Date: Thu, 8 Apr 2010 01:49:03 -0400
> From: "ashley_c_mort" <ashley_c_mort at raytheon.com>
> Subject: [OpenLayers-Dev] VML optimization- node.style.cssText in IE
> 	possible?
> To: <users at openlayers.org>, <dev at openlayers.org>
> Message-ID: <05e801cad6df$320993e0$22099195 at us.ray.com>
> Content-Type: text/plain; charset="us-ascii"
> 
>    We are trying to optimize the performance of our app that uses
> OpenLayers (IE 7&8).  It appears that the node.style calls in the VML.js
> are
> taking a lot of time in certain cases and we were trying to use cssText
> to
> get it done in one call.  Has anyone tried using one node.style.cssText
> call
> instead of multiple node.style calls?  
>    Using node.style.cssText works one time when the data is first drawn
> but
> future changes to the node's cssText don't seem to take effect (ex: data
> will be created in the correct location but the data never moves [top,
> left]
> when the user zooms).
>    Any ideas are greatly appreciated?
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> ------------------------------
> 
> Message: 7
> Date: Thu, 08 Apr 2010 08:17:51 +0200
> From: Stefanie Weykam <stefanie at weykam.net>
> Subject: [OpenLayers-Dev] Raster map shift - still no clues
> To: dev at openlayers.org
> Message-ID: <4BBD750F.8070103 at weykam.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> 
> Hi list members,
> I posted a message on 26 of March reporting a strange displacement that 
> only effects raster maps. I am pretty sure the WMS are alright, since 
> another client displays the maps correctly. Due to the pixel size, the 
> difference is big enough to become quite obvious.
> The fact that GetFeaturteInfo always returns the right (expected) values
> 
> even if the pixel is not the one that should be visible at the 
> particular point, made me suggest that this could be a display artefact.
> 
> - ??
> For more details and test code see my message on 26.3.2010
> 
> I received no hints so far. Should I file a bug?
> 
> Regards,
> Stefanie
> 
> 
> ------------------------------
> 
> Message: 8
> Date: Thu, 8 Apr 2010 09:04:08 +0200 (CEST)
> From: bartvde at osgis.nl
> Subject: [OpenLayers-Dev] call for vote on 2.9 RC2
> To: dev at openlayers.org
> Message-ID:
> 	
> <15886.145.50.39.11.1270710248.squirrel at webmail.hostingdiscounter.nl>
> Content-Type: text/plain;charset=iso-8859-1
> 
> Hi list,
> 
> I would like to call for a vote on a second release candidate (RC2) for
> OpenLayers 2.9.
> 
> 4 tickets have been pulled up (2561, 2562, 2563 and 2564), I've verified
> all tests still pass in IE6 and FF 3.6.2, so all is in good shape.
> 
> Best regards,
> Bart
> 
> 
> 
> ------------------------------
> 
> _______________________________________________
> Dev mailing list
> Dev at openlayers.org
> http://openlayers.org/mailman/listinfo/dev
> 
> 
> End of Dev Digest, Vol 43, Issue 8
> **********************************
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