[Qgis-developer] Unknown CRS problem

2011-01-12 Thread Nick Hopton
Marco wrote: There will always be problems at some point if the layers / map CRS are not properly set. I just want to avoid more complications compared to the current situation if this is not the case ( because it happens so frequently in practice ). Agreed, even (apparently) simple changes

Re: [Qgis-developer] Unknown CRS problem

2011-01-11 Thread Paolo Cavallini
Il giorno mar, 11/01/2011 alle 00.43 +0100, Martin Dobias ha scritto: Ideally if all the data from government is in the same CRS, no reprojecting will happen - because the project CRS will be the same as the CRS of individual layers (thus no warning would be issued). The problem here is that

Re: [Qgis-developer] Unknown CRS problem

2011-01-11 Thread Werner Macho
Hi! definitely correct .. speaking of my own experience it's not just keeping the data without the .prj files .. I've also seen a lot of companys (including governments) sending shape files just as the .shp And i always wonder how ArcGIS is the job of correctly open the files .. but thats

Re: [Qgis-developer] Unknown CRS problem

2011-01-11 Thread Micha Silver
On 11/01/2011 10:19, Paolo Cavallini wrote: Il giorno mar, 11/01/2011 alle 00.43 +0100, Martin Dobias ha scritto: Ideally if all the data from government is in the same CRS, no reprojecting will happen - because the project CRS will be the same as the CRS of individual layers (thus no warning

Re: [Qgis-developer] Unknown CRS problem

2011-01-11 Thread Paolo Cavallini
Il giorno mar, 11/01/2011 alle 11.05 +0200, Micha Silver ha scritto: So if they work without reprojection, everything works smoothly, and they do not see anything wrong with that. Not entirely correct. As QGIS works now, each new project starts in Lon/Lat WGS84. If I all my layers are in

Re: [Qgis-developer] Unknown CRS problem

2011-01-11 Thread Marco Hugentobler
Not entirely correct. As QGIS works now, each new project starts in Lon/Lat WGS84. If I all my layers are in the same projected CRS I don't notice any problem *until* I want to measure something ;-( True, your suggestion to add the possibility to set a default CRS for the map would be

Re: [Qgis-developer] Unknown CRS problem

2011-01-11 Thread Martin Dobias
On Tue, Jan 11, 2011 at 10:11 AM, Paolo Cavallini cavall...@faunalia.it wrote: Il giorno mar, 11/01/2011 alle 11.05 +0200, Micha Silver ha scritto: So if they work without reprojection, everything works smoothly, and they do not see anything wrong with that. Not entirely correct. As QGIS

Re: [Qgis-developer] Unknown CRS problem

2011-01-11 Thread Micha Silver
On 11/01/2011 11:31, Marco Hugentobler wrote: Not entirely correct. As QGIS works now, each new project starts in Lon/Lat WGS84. If I all my layers are in the same projected CRS I don't notice any problem *until* I want to measure something ;-( True, your suggestion to add the possibility to

Re: [Qgis-developer] Unknown CRS problem

2011-01-11 Thread Werner Macho
+1 for Martins idea! I like it .. educating the user that way is a very good idea .. hope it's not too hard to implement.. Werner Am 11.01.2011 10:38, schrieb Martin Dobias: My idea was that if they have layers with unknown CRS, also the project's CRS would be set to unknown. So no

Re: [Qgis-developer] Unknown CRS problem

2011-01-07 Thread Martin Dobias
On Thu, Jan 6, 2011 at 7:57 PM, Micha Silver mi...@arava.co.il wrote: I agree with you that CRS handling should be improved. Having 'unknown' CRS is more useful than assigning a bogus CRS and then trying to project it to some other CRS. I think we should remove on-the-fly projections option

Re: [Qgis-developer] Unknown CRS problem

2011-01-07 Thread Paolo Cavallini
Il giorno ven, 07/01/2011 alle 21.20 +0100, Marco Hugentobler ha scritto: A very important use case here is people working with governemental data provided by the local GIS department. The GIS dep. provides everything in the same meter CRS and the normal user does not need to know about it,

Re: [Qgis-developer] Unknown CRS problem

2011-01-06 Thread Martin Dobias
Hi Nick On Tue, Jan 4, 2011 at 11:29 PM, Nick Hopton nhop...@gmail.com wrote: When a layer is loaded and QGIS can't determine its CRS it would be preferred if the CRS of that layer was shown as 'unknown', rather than shown as being the default CRS. I know that this causes problems for some

Re: [Qgis-developer] Unknown CRS problem

2011-01-06 Thread Micha Silver
On 01/06/2011 08:14 PM, Martin Dobias wrote: Hi Nick On Tue, Jan 4, 2011 at 11:29 PM, Nick Hoptonnhop...@gmail.com wrote: When a layer is loaded and QGIS can't determine its CRS it would be preferred if the CRS of that layer was shown as 'unknown', rather than shown as being the default CRS.

[Qgis-developer] Unknown CRS problem

2011-01-04 Thread Nick Hopton
When a layer is loaded and QGIS can't determine its CRS it would be preferred if the CRS of that layer was shown as 'unknown', rather than shown as being the default CRS. I know that this causes problems for some newcomers to QGIS. I gather that this question was raised during the Hackfest in