Re: [Qgis-user] SAGA-GIS on OS X 10.7
On Apr 16, 2013, at 11:11 AM, gvSIGMac wrote: > Error while checking SAGA installation. SAGA might not be correctly > configured. > Traceback (most recent call last): > File > "/Applications/QGIS_2.0-dev.app/Contents/Resources/python/plugins/sextante/saga/SagaUtils.py", > line 146, in checkSagaIsInstalled > from sextante.core.Sextante import runalg > ImportError: cannot import name runalg I looked closer at your error. You may have grabbed your source in the middle of some updates by Victor. It's not even getting to the point of trying to run the saga test command, it can't import the sextante module needed. Your sextante has: from sextante.core.Sextante import runalg but now in the dev source it's: from sextante import runalg Try updating your source and rebuilding QGIS. - William Kyngesburye http://www.kyngchaos.com/ "History is an illusion caused by the passage of time, and time is an illusion caused by the passage of history." - Hitchhiker's Guide to the Galaxy ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] How define the "other" condition on a classification render
Hi, I'm using the qgis-dev version of qgis. Is possible to define the 'other values' condition in the "categorized" style ? Thx -- - Andrea Peri . . . . . . . . . qwerty àèìòù - ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] How to display a scale bar in km on a map in degrees?
Hi Philippe In the nightly build, it is possible to have a composer scale bar in km for maps in degrees. The scalebar however only shows the scale near the bottom left of the composer map (the scale is not constant in maps in degrees, as others already noted). Regards, Marco Am 16.04.2013 22:01, schrieb Philippe Puig: I am the poster of this question and I want to thank all those who took the time to answer it. My problem is not trivial for two reasons: -I work in the Northern Territory (NT), in Australia. The western part of the NT is in UTM zone 52 and the eastern part in UTM zone 53; -maps I create often straddle the zone 52/zone 53 boundary and cannot be in m using our standard projections; -most baseline GIS work in the Northern Territory is carried out by the Government in ArcGIS. ArcGIS allows to display a scale bar in km on a map in degrees and therefore most map users here expect to have a km scale bar on degrees maps. I work for a small independent organisation focused on natural resource management. I decided that our GIS would be entirely based on freeware. I chose QGIS as our main GIS software. As I am often expected to emulate ArcGIS, the scale bar issue matters to me. Now I know that QGIS does not offer the km scale bar possibility offered by ArcGIS. I will therefore use a work around consisting in creating grids of suitable mesh size (eg 100 km) in both UTM 52 and UTM 53. I will then reproject them in DA94 (the Australian standard degrees CRS) and merge them in GA 94 as a single grid which I will use as a guide to create (approximate) km scale bars in my GDA94 maps. Philippe ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Dr. Marco Hugentobler Sourcepole - Linux & Open Source Solutions Weberstrasse 5, CH-8004 Zürich, Switzerland marco.hugentob...@sourcepole.ch http://www.sourcepole.ch Technical Advisor QGIS Project Steering Committee ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] How to display a scale bar in km on a map in degrees?
I am the poster of this question and I want to thank all those who took the time to answer it. My problem is not trivial for two reasons: - I work in the Northern Territory (NT), in Australia. The western part of the NT is in UTM zone 52 and the eastern part in UTM zone 53; - maps I create often straddle the zone 52/zone 53 boundary and cannot be in m using our standard projections; - most baseline GIS work in the Northern Territory is carried out by the Government in ArcGIS. ArcGIS allows to display a scale bar in km on a map in degrees and therefore most map users here expect to have a km scale bar on degrees maps. I work for a small independent organisation focused on natural resource management. I decided that our GIS would be entirely based on freeware. I chose QGIS as our main GIS software. As I am often expected to emulate ArcGIS, the scale bar issue matters to me. Now I know that QGIS does not offer the km scale bar possibility offered by ArcGIS. I will therefore use a work around consisting in creating grids of suitable mesh size (eg 100 km) in both UTM 52 and UTM 53. I will then reproject them in DA94 (the Australian standard degrees CRS) and merge them in GA 94 as a single grid which I will use as a guide to create (approximate) km scale bars in my GDA94 maps. Philippe ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] How to display a scale bar in km on a map in degrees?
I think the issue here is the need to have a scale bar in feet/meters and as Carlos noted a LatLon grid, in other commercial software you can do this very simple since you can choose the units of the scale bar and the representation of the grid I agree the correct way to do it would be to use a projection since you are giving a representation on a flat surface "paper" and add the grid in LAT/LON,we do this all the time in aviation, we need the map printed in a conformal projection but we need the grid in Lat/Lon as we express the coordinates on the map. QGIS would be better off if one can set the scale bar units and also the grid units. The data itself can be in WGS84 (or whatever) you enable OTF projection and select the projection you want for printing then select the scale bar in the print composer and select units (feet, meters, nautical miles, miles, km, etc) and then select grid style (latlon, northing/easting, etc). I believe its not possible right now b.j.kobben wrote > Dear Carlos, > > I understand that you think the combination is useful, but my point is > actually that the scale bar is NOT useful because it is plain wrong, it > does not even approximate distances in many places in the map! Try > wrapping you head around the fact that the North Pole (a single point of > length 0 km) is actually shown as a line of the same length as the equator > (40075 km), and you see how wrong your "approximate" distances can be! > > > And you do not answer my question: why not use UTM or another projection > to start with? Latlon SEEMS simple, but many casual users fail to > understand that they are actually looking at angles from the center of a > Globe, plotted as if they are XY-coordinates on plain. > > > And do not worry, your english is fine! > > Barend > > On 15-04-13 22:17, "Carlos Cerdán" < > sig.upagu@ > > wrote: > >> >> >> >>2013/4/15 < > b.j.kobben@ > > >> >>Hi there, >> >>I appreciate the clever tip for having a km scale bar on a lat-long maop, >>but as a cartogra[her I must protest, because the scale bar is of course >>mostly nonsensical. The differences in distances between the two (mercator >>projected UTM and non-projected degrees) can potentially be huge. The >>scale bar therefore cant be grossly wrong... >> >> >> >>Ajá.. As a simple user I find useful a scale bar to measure approximate >>distances on a lat-long map. >> >>If you have your map in UTM, why not print that one with the proper scale >>bar? The question to the original poster therefore would be: why do you >>feel the need to have a map in degrees, why not use one that is projected >>and where km is the proper scale-bar...? >> >> >> >> >>In the same sense: If you want to show the location of a place on Earth >>to not GIS skills people, Lat-Long is useful for a first reading location >>and scale bar to measure approximate distances ... so Why no use that >>combination? >> >> >> >>Developers please fix an issue (Correct me if it's not an issue): >>when you have two or more maps in a compositor and the scale bar is >>related to map 1 (or more), and you close your file, next time you open >>it, scale bar is related to Map 0 and you have to select Map 1 again. >>(QGIS 1.8 - Ubuntu 12.04). >> >> >>Carlos Cerdán >> >> >> >>PD Sorry if my English is bad. >> >> >> >> >> > > ___ > Qgis-user mailing list > Qgis-user@.osgeo > http://lists.osgeo.org/mailman/listinfo/qgis-user -- View this message in context: http://osgeo-org.1560.x6.nabble.com/How-to-display-a-scale-bar-in-km-on-a-map-in-degrees-tp5046774p5047310.html Sent from the Quantum GIS - User mailing list archive at Nabble.com. ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] How to display a scale bar in km on a map in degrees?
Should't be enough plotting in UTM with grid and overlying also Latlong grid? Il giorno 16/apr/2013 15.46, "Carlos Cerdán" ha scritto: > Hi Barend: > > You're right, Lat-long maps are just a plane representation of another > representation of Earth as an ellipsoid and fails on poles. > >> why not use UTM or another projection to start with? > > Because some times we need simple maps, for example touristic maps of > small areas where you can forgot the ellipsoid and take Earth as plane. > Examples here: > > - http://www.rumbosonline.com/images/issue13/13-64-map.jpg > - > http://www.kuelapadventure.com/spanish/index.php/tips-de-viajero/mapa-turistico-chachapoyas > > A Lat-long grid would be useful to locate any place of these maps in > Google Earth but it's missed on both of them. > > An UTM grid not always is a complete help. For example Where is the place > of next map: http://dynacorgold.com/en/casaden-overview-map-casaden.php > ? You have 60 options if you don't know what UTM zone is it. > > If this is not sufficient for you... well I'll be wrong but I find useful > this kind of maps. > > Thanks for the dissertation > > Carlos > > > > > 2013/4/16 > >> Dear Carlos, >> >> I understand that you think the combination is useful, but my point is >> actually that the scale bar is NOT useful because it is plain wrong, it >> does not even approximate distances in many places in the map! Try >> wrapping you head around the fact that the North Pole (a single point of >> length 0 km) is actually shown as a line of the same length as the equator >> (40075 km), and you see how wrong your "approximate" distances can be! >> >> >> And you do not answer my question: why not use UTM or another projection >> to start with? Latlon SEEMS simple, but many casual users fail to >> understand that they are actually looking at angles from the center of a >> Globe, plotted as if they are XY-coordinates on plain. >> >> >> And do not worry, your english is fine! >> >> Barend >> >> On 15-04-13 22:17, "Carlos Cerdán" wrote: >> >> > >> > >> > >> >2013/4/15 >> > >> >Hi there, >> > >> >I appreciate the clever tip for having a km scale bar on a lat-long maop, >> >but as a cartogra[her I must protest, because the scale bar is of course >> >mostly nonsensical. The differences in distances between the two >> (mercator >> >projected UTM and non-projected degrees) can potentially be huge. The >> >scale bar therefore cant be grossly wrong... >> > >> > >> > >> >Ajá.. As a simple user I find useful a scale bar to measure approximate >> >distances on a lat-long map. >> > >> >If you have your map in UTM, why not print that one with the proper scale >> >bar? The question to the original poster therefore would be: why do you >> >feel the need to have a map in degrees, why not use one that is projected >> >and where km is the proper scale-bar...? >> > >> > >> > >> > >> >In the same sense: If you want to show the location of a place on Earth >> >to not GIS skills people, Lat-Long is useful for a first reading location >> >and scale bar to measure approximate distances ... so Why no use that >> >combination? >> > >> > >> > >> >Developers please fix an issue (Correct me if it's not an issue): >> >when you have two or more maps in a compositor and the scale bar is >> >related to map 1 (or more), and you close your file, next time you open >> >it, scale bar is related to Map 0 and you have to select Map 1 again. >> >(QGIS 1.8 - Ubuntu 12.04). >> > >> > >> >Carlos Cerdán >> > >> > >> > >> >PD Sorry if my English is bad. >> > >> > >> > >> > >> > >> >> > > ___ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user > > ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] How to display a scale bar in km on a map in degrees?
Hi Barend: You're right, Lat-long maps are just a plane representation of another representation of Earth as an ellipsoid and fails on poles. > why not use UTM or another projection to start with? Because some times we need simple maps, for example touristic maps of small areas where you can forgot the ellipsoid and take Earth as plane. Examples here: - http://www.rumbosonline.com/images/issue13/13-64-map.jpg - http://www.kuelapadventure.com/spanish/index.php/tips-de-viajero/mapa-turistico-chachapoyas A Lat-long grid would be useful to locate any place of these maps in Google Earth but it's missed on both of them. An UTM grid not always is a complete help. For example Where is the place of next map: http://dynacorgold.com/en/casaden-overview-map-casaden.php ? You have 60 options if you don't know what UTM zone is it. If this is not sufficient for you... well I'll be wrong but I find useful this kind of maps. Thanks for the dissertation Carlos 2013/4/16 > Dear Carlos, > > I understand that you think the combination is useful, but my point is > actually that the scale bar is NOT useful because it is plain wrong, it > does not even approximate distances in many places in the map! Try > wrapping you head around the fact that the North Pole (a single point of > length 0 km) is actually shown as a line of the same length as the equator > (40075 km), and you see how wrong your "approximate" distances can be! > > > And you do not answer my question: why not use UTM or another projection > to start with? Latlon SEEMS simple, but many casual users fail to > understand that they are actually looking at angles from the center of a > Globe, plotted as if they are XY-coordinates on plain. > > > And do not worry, your english is fine! > > Barend > > On 15-04-13 22:17, "Carlos Cerdán" wrote: > > > > > > > > >2013/4/15 > > > >Hi there, > > > >I appreciate the clever tip for having a km scale bar on a lat-long maop, > >but as a cartogra[her I must protest, because the scale bar is of course > >mostly nonsensical. The differences in distances between the two (mercator > >projected UTM and non-projected degrees) can potentially be huge. The > >scale bar therefore cant be grossly wrong... > > > > > > > >Ajá.. As a simple user I find useful a scale bar to measure approximate > >distances on a lat-long map. > > > >If you have your map in UTM, why not print that one with the proper scale > >bar? The question to the original poster therefore would be: why do you > >feel the need to have a map in degrees, why not use one that is projected > >and where km is the proper scale-bar...? > > > > > > > > > >In the same sense: If you want to show the location of a place on Earth > >to not GIS skills people, Lat-Long is useful for a first reading location > >and scale bar to measure approximate distances ... so Why no use that > >combination? > > > > > > > >Developers please fix an issue (Correct me if it's not an issue): > >when you have two or more maps in a compositor and the scale bar is > >related to map 1 (or more), and you close your file, next time you open > >it, scale bar is related to Map 0 and you have to select Map 1 again. > >(QGIS 1.8 - Ubuntu 12.04). > > > > > >Carlos Cerdán > > > > > > > >PD Sorry if my English is bad. > > > > > > > > > > > > ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] [Qgis-community-team] Website about the activities at the developer meeting in Valmiera
Thanks so much for that Otto! Regards Tim On Tue, Apr 16, 2013 at 5:30 PM, Otto Dassau wrote: > Dear Community, > > as you can see from the comments on the mailing lists, the ninth hackfest > in > Valmiera was a great success and very well organized by the latvian team > from SuGIS - Maris Nartiss, Peteris Bruns and Raitis Berzins. > > On behalf of the PSC I would like to thank all participants, organizers, > sponsors and donors who spent their time, energy and money to make QGIS > again a little better. > > I added a webpage with information and further links about the people, > their > activities and photos from the Valmiera event here: > > http://www.qgis.org/en/developer-meetings/valmiera-42013.html > > Kind Regards > Otto > ___ > Qgis-community-team mailing list > qgis-community-t...@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-community-team > -- Tim Sutton - QGIS Project Steering Committee Member (Release Manager) == Visit http://linfiniti.com to find out about: * QGIS programming services * GeoDjango web development * FOSS Consulting Services Skype: timlinux Irc: timlinux on #qgis at freenode.net == ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Website about the activities at the developer meeting in Valmiera
Dear Community, as you can see from the comments on the mailing lists, the ninth hackfest in Valmiera was a great success and very well organized by the latvian team from SuGIS - Maris Nartiss, Peteris Bruns and Raitis Berzins. On behalf of the PSC I would like to thank all participants, organizers, sponsors and donors who spent their time, energy and money to make QGIS again a little better. I added a webpage with information and further links about the people, their activities and photos from the Valmiera event here: http://www.qgis.org/en/developer-meetings/valmiera-42013.html Kind Regards Otto ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] broken link to 1.8 pdf manual
Hi, Am Tue, 16 Apr 2013 09:00:16 +0200 schrieb Goyo : > 2013/4/15 Jason Paul Joines > > > Does anyone know where I can find the pdf version of QGIS 1.8 > > manual? The link at http://www.qgis.org/en/documentation/manuals.html > > is broken. > > > > http://docs.qgis.org/1.8/pdf/ > > The website is being restructured so this might change. > > Goyo I fixed the link on the website. http://docs.qgis.org/1.8 => leads to 1.8 html documentation http://docs.qgis.org/1.8/pdf/ => leads to 1.8 pdf documentation Regards Otto ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] How to display a scale bar in km on a map in degrees?
Dear Carlos, I understand that you think the combination is useful, but my point is actually that the scale bar is NOT useful because it is plain wrong, it does not even approximate distances in many places in the map! Try wrapping you head around the fact that the North Pole (a single point of length 0 km) is actually shown as a line of the same length as the equator (40075 km), and you see how wrong your "approximate" distances can be! And you do not answer my question: why not use UTM or another projection to start with? Latlon SEEMS simple, but many casual users fail to understand that they are actually looking at angles from the center of a Globe, plotted as if they are XY-coordinates on plain. And do not worry, your english is fine! Barend On 15-04-13 22:17, "Carlos Cerdán" wrote: > > > >2013/4/15 > >Hi there, > >I appreciate the clever tip for having a km scale bar on a lat-long maop, >but as a cartogra[her I must protest, because the scale bar is of course >mostly nonsensical. The differences in distances between the two (mercator >projected UTM and non-projected degrees) can potentially be huge. The >scale bar therefore cant be grossly wrong... > > > >Ajá.. As a simple user I find useful a scale bar to measure approximate >distances on a lat-long map. > >If you have your map in UTM, why not print that one with the proper scale >bar? The question to the original poster therefore would be: why do you >feel the need to have a map in degrees, why not use one that is projected >and where km is the proper scale-bar...? > > > > >In the same sense: If you want to show the location of a place on Earth >to not GIS skills people, Lat-Long is useful for a first reading location >and scale bar to measure approximate distances ... so Why no use that >combination? > > > >Developers please fix an issue (Correct me if it's not an issue): >when you have two or more maps in a compositor and the scale bar is >related to map 1 (or more), and you close your file, next time you open >it, scale bar is related to Map 0 and you have to select Map 1 again. >(QGIS 1.8 - Ubuntu 12.04). > > >Carlos Cerdán > > > >PD Sorry if my English is bad. > > > > > ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] broken link to 1.8 pdf manual
2013/4/15 Jason Paul Joines > Does anyone know where I can find the pdf version of QGIS 1.8 > manual? The link at http://www.qgis.org/en/documentation/manuals.html > is broken. > http://docs.qgis.org/1.8/pdf/ The website is being restructured so this might change. Goyo > > > Jason > === > ___ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user > ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
