<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body ><div>Thank you. So I will wait to the update.</div><div><br></div><div><br></div><div>_____________________________</div>S pozdravom/ Best regards<div>Ing. Arch. Martin Baloga,PhD.</div><div>0903 314 492</div><div>Www.jazzarchitecture.sk</div><br><br><br>-------- Pôvodná správa --------<br>Od: Bernhard Ströbl <bernhard.stroebl@jena.de> <br>Dátum: 19. 09. 2013 18:01 (GMT+01:00) <br>Komu: Martin Baloga <matobaloga@gmail.com> <br>Kópia: qgis-user@lists.osgeo.org <br>Predmet: Re: Mesaure tool Problem <br> <br><br>There is no configuration option to get rid of certain tools. You would <br>need to comment it out but then you will have to do that with every <br>update of QWC.<br>I am going to change QWC according to the ticket next week, so you <br>should be fine afterwards (geodesic measure). Nevertheless you should <br>think about the projection you use, each has certain advantages and <br>disadvantages. _I_ would not use GoogleMercator if I had no need for it <br>but that is a personal preference.<br><br>Bernhard<br><br>Am 19.09.2013 17:55, schrieb Martin Baloga:<br>> Thank you. So maybe i will try to use our EPSG: 2065 S-JSTK, or is there a<br>> possibility to turn the measure tool of? What everything should I put into<br>> comments to get it of the layout?<br>><br>><br>> S pozdravom / Best regards / Salutanta<br>> Ing. Arch. Martin Baloga, PhD.<br>> www.jazzarchitecture.sk<br>> +421 903 314 492<br>><br>><br>> Pred vytlačením tohto e-mailu myslite na životné prostredie.<br>> Please consider your environmental responsibility before printing this<br>> e-mail.<br>> Mi petas vin pripensu pri via respondeco por la cxirkauxajxo antauxe elpreso<br>> de tiu-cxi mesagxo.<br>><br>><br>><br>> -----Original Message-----<br>> From: Bernhard Ströbl [mailto:bernhard.stroebl@jena.de]<br>> Sent: Thursday, September 19, 2013 3:49 PM<br>> To: Martin Baloga<br>> Cc: qgis-user@lists.osgeo.org<br>> Subject: Re: Mesaure tool Problem<br>><br>> we use our local projection all our data is in, currently EPSG:31468, next<br>> year ETRS89 (EPSG:25832). No need to reproject data and we do not need<br>> Google maps for anything. Both projections are ok for small scale mapping<br>> and measure errors are below measure accuracy (I guess :).<br>> If you want to use Google map layers as background you need to use the<br>> GoolgeMercator projection, though, but be aware that the Google background<br>> layer is not included in the prints (because it is not part of the QGIS<br>> project on which the server generates the print).<br>><br>> Bernhard<br>><br>> Am 19.09.2013 15:08, schrieb Martin Baloga:<br>>> Thank you, Bernard.<br>>><br>>> What about your portal of City of Jena, do you use GoogleMercator? Are<br>>> your distances measured in the geoportal right?<br>>><br>>><br>>> S pozdravom / Best regards / Salutanta Ing. Arch. Martin Baloga, PhD.<br>>> www.jazzarchitecture.sk<br>>> +421 903 314 492<br>>><br>>><br>>> Pred vytlačením tohto e-mailu myslite na životné prostredie.<br>>> Please consider your environmental responsibility before printing this<br>>> e-mail.<br>>> Mi petas vin pripensu pri via respondeco por la cxirkauxajxo antauxe<br>> elpreso<br>>> de tiu-cxi mesagxo.<br>>><br>>><br>>> -----Original Message-----<br>>> From: Bernhard Ströbl [mailto:bernhard.stroebl@jena.de]<br>>> Sent: Thursday, September 19, 2013 2:52 PM<br>>> To: Martin Baloga<br>>> Cc: qgis-user@lists.osgeo.org<br>>> Subject: Re: Mesaure tool Problem<br>>><br>>> Hi Martin,<br>>><br>>> I further looked into this problem. As I indicated before the measure tool<br>>> is pure OpenLayers. Read the text underneath the example [1] for further<br>>> explanation (the map is somehow not working in the example).<br>>> Obviously QGIS desktop always uses "geodesic measures" whereas QWC never<br>>> does. I filed a ticket [2].<br>>> BTW the problem comes from the GoogleMercator projection as the Mercator<br>>> projection in general is known to only preserve angle while the area and<br>>> length errors increase towards the poles.<br>>><br>>> Bernhard<br>>><br>>> [1] http://www.openlayers.org/dev/examples/measure.html<br>>> [2] http://hub.qgis.org/issues/8630<br>>><br>>> Am 19.09.2013 12:00, schrieb Martin Baloga:<br>>>> Hi, Bernard,<br>>>><br>>>> No, in desktop I have 900913 the project CRS, when I measure any<br>>>> feature, the result is 90 m. (The same as in ArcMap with S-JTSK CRS).<br>>>> When I open the project with CRS set to 900913, I got 130 m. for the<br>>>> same feature. When I open the WMS in ArcMap or any other GIS viewer I got<br>>> again 90 m in 900913.<br>>>><br>>>> The same, with the same values, happens when using 4326.<br>>>><br>>>> Simply in QWC for some reason the measure is different. I would realy<br>>>> appreciate if the measures are correct. I am prepraring QWC for a<br>>>> municipality and the difference between parcel area in attribute and<br>>>> measure tool is quite confusing...<br>>>><br>>>> S pozdravom / Best regards / Salutanta Ing. Arch. Martin Baloga, PhD.<br>>>> www.jazzarchitecture.sk<br>>>> +421 903 314 492<br>>>><br>>>><br>>>> Pred vytlačením tohto e-mailu myslite na životné prostredie.<br>>>> Please consider your environmental responsibility before printing this<br>>>> e-mail.<br>>>> Mi petas vin pripensu pri via respondeco por la cxirkauxajxo antauxe<br>>> elpreso<br>>>> de tiu-cxi mesagxo.<br>>>><br>>>><br>>>><br>>>> -----Original Message-----<br>>>> From: Bernhard Ströbl [mailto:bernhard.stroebl@jena.de]<br>>>> Sent: Thursday, September 19, 2013 11:28 AM<br>>>> To: qgis-user@lists.osgeo.org<br>>>> Cc: Martin Baloga<br>>>> Subject: Re: Mesaure tool Problem<br>>>><br>>>> hi,<br>>>><br>>>> so if you measure in QGIS desktop with project CRS set to 4326 you<br>> measure<br>>>> 90m and in QWC with CRS 4326 you measure 130m for the same feature?<br>>>> If I open a 4326-project in desktop my measure results are output in<br>>> degrees<br>>>> (can I change that somehow?), so I cannot compare to the QWC output of<br>> the<br>>>> same project which is in metres. If you use a different projection in<br>>>> desktop then your measurements may - of course - be different.<br>>>> Measurement in QWC is handled using the OpenLayers' measure control [1]<br>>>><br>>>> Bernhard<br>>>><br>>>> [1]<br>>>><br>>><br>> http://dev.openlayers.org/releases/OpenLayers-2.13.1/doc/apidocs/files/OpenL<br>>>> ayers/Control/Measure-js.html<br>>>><br>>>> Am 19.09.2013 10:50, schrieb Martin Baloga:<br>>>>> Dear Bernard,<br>>>>><br>>>>> e.g. by meauring length of cca 90 m in QGIS, the length measured in<br>>>>> web client is approx. 130 m. The size of the are is approx. Twice the<br>>>>> size. I guess maybe the units there are somewhere not properly set.<br>>>>> But in options.js and webinit.js are only m.<br>>>>><br>>>>> If you are interrested, i can send you wms link and address of the<br>>>>> webclient. Thanx.<br>>>>><br>>>>><br>>>>> S pozdravom / Best regards / Salutanta Ing. Arch. Martin Baloga, PhD.<br>>>>><br>>>>> Pred vytlačením tohto e-mailu myslite na životné prostredie.<br>>>>> Please consider your environmental responsibility before printing this<br>>>>> e-mail.<br>>>>> Mi petas vin pripensu pri via respondeco por la cxirkauxajxo antauxe<br>>>>> elpreso de tiu-cxi mesagxo.<br>>>>><br>>>>><br>>>>><br>>>>><br>>>>> __________ Information from ESET Mail Security, version of virus<br>>>>> signature database 8817 (20130918) __________<br>>>>><br>>>><br>>>><br>>>> __________ Information from ESET Mail Security, version of virus<br>> signature<br>>>> database 8818 (20130919) __________<br>>>><br>>>> The message was checked by ESET Mail Security.<br>>>> http://www.eset.com<br>>>><br>>>><br>>>><br>>>><br>>>><br>>><br>>><br><br><br><br>__________ Information from ESET Mail Security, version of virus signature database 8820 (20130919) __________<br><br>The message was checked by ESET Mail Security.<br>http://www.eset.com<br><br><br></body>