Re: [Qgis-user] Projections

2020-10-22 Thread John Helly
Aloha. You might want to consider simply using Great Circle distances and then refining that if you need something better. J. On 10/22/20 12:50, Peter Borissow wrote: > I agree with Hernán, that you are probably better off using > ellipsoidal (geodetic) distances rather than projected distances

Re: [Qgis-user] Projections

2020-10-22 Thread Peter Borissow
I agree with Hernán, that you are probably better off using ellipsoidal (geodetic) distances rather than projected distances for such large tracks. Of course, you can use whatever projection you want to RENDER the routes. For example you can use a conic projection to render the bird tracks or

[QGIS-it-user] Tabelle attributi

2020-10-22 Thread gius . pippo1989
Salve, per un progetto legato ad attività archeologiche di sorveglianza e scavo devo creare una serie di shape file di punti e linee al cui interno per ogni evidenza archeologica, oltre le relative informazioni, vorrei inserire un collegamento alle rispettive schede descrittive (in formato pdf

[Qgis-user] Qgis 3.10 Plugin resources.qrc

2020-10-22 Thread 1520 gis
Dear all, I have created a Qgis plugin and I use three images in the resources.qrc file shown below. Everything works fine before I restart Qgis. If I restart Qgis, I hit an error ModuleNotFoundError: No module named 'resources_rc'. And the plugin won't start. Any comment will be very

[Qgis-user] clip geojason QGIS

2020-10-22 Thread Iain
Thanks everyone for your help. I was able to save it into a suitable format and then I was able to examine the data which appears to have not counted the 2nd largest railway station in Australia - Central Station- as a building! I will be exploring the data over the weekend to see how

Re: [Qgis-user] Projections

2020-10-22 Thread Charles Dixon-Paver
Pardon my ignorance, but my brain is burning a bit with this topic... Is there a particular reason nobody is suggesting the utilisation of an equidistant projection? I thought this was what they are optimised for. Albers conic equal area is for the preservation of area, not distance as far as I'm

Re: [Qgis-user] Road Labels

2020-10-22 Thread Mike Flannigan
Thank you Thayer and Richard. The Openrouteservice.org GUI map did not work for my Firefox. Graphhopper is nearly perfect for what I want, and I really appreciate you bringing it to my attention. It's going to save me quite a bit of time. This is the link I am using:

Re: [Qgis-user] Projections

2020-10-22 Thread Falk Huettmann
Hi there, Mike et al, thanks, but if you check up with Thomas Alerstam from Sweden - as a bird tracking migration person you really ought to know those things and his entire books/papers - there is sufficient literature on the topic for years re. projections, e.g. this one for starters.

Re: [Qgis-user] Road Labels

2020-10-22 Thread Thayer Young
Hi Mike, I am glad this helped you. I am going to punt on this since a similar question about how to do routes in QGIS was asked recently, and I think it received some answers, you should be able to find it on the QGIS-user Nabble archive.  That said, my initial thought is that instead of using

Re: [QGIS-it-user] Poligoni lungo una rete

2020-10-22 Thread Totò
Arrotino wrote > Buonasera, > Avrei bisogno di costruire una serie di poligoni, tutti uguali, lungo una > linea (la stessa forma una rete magliata). > > Questi poligoni dovrei usarli in un atlante. > Qualcuno conosce un modo per costruirli? Ciao, puoi farlo molto facilmente, ecco un flusso di

Re: [QGIS-it-user] Tabelle attributi

2020-10-22 Thread roberto montagnetti
Ciao to consiglio di usare il plugin pyarchinit, che fa tutte le operazioni di cui necessiti in automatico. Compresa l'esportazione in PDF delle schede. https://sites.google.com/site/pyarchinit/ Il gio 22 ott 2020, 18:27 ha scritto: > Salve, per un progetto legato ad attività archeologiche di

Re: [Qgis-user] Does QGIS support online/web/Google fonts ?

2020-10-22 Thread Sebastian Gutwein
Recently I noticed that Klas Karlsson was using google.com fonts in his html titles. For example the "Extra Fancy Title" on QGIS HUB qgis-hub.fast-page.org/layouts.php [image: image.png] On Thu, Oct 22, 2020 at 9:42 AM Charles Dixon-Paver wrote: > In my tests QGIS uses installed fonts but you

Re: [Qgis-user] Does QGIS support online/web/Google fonts ?

2020-10-22 Thread Charles Dixon-Paver
In my tests QGIS uses installed fonts but you will have to distribute them yourself. I think it might be beneficial for the QGIS to read fonts made available with the QGIS Resource Sharing Plugin though, so a feature request may be in order (I don't think this is currently supported, but someone

Re: [Qgis-user] QGIS-Installer from Osgeo4W broken?

2020-10-22 Thread Kai Borgolte
Am 22.10.2020 um 09:02 schrieb Fleischer, Janne Jakob: > https://trac.osgeo.org/osgeo4w/ticket/645 Your ticket is now marked as "fixed", did it solve your problem? I suspect my question yesterday "Processing not loading after update" was related. Another update today delivered new GDAL packets,

Re: [Qgis-user] Does QGIS support online/web/Google fonts ?

2020-10-22 Thread Raymond Nijssen
Hi Lars, Not sure if I completely understand your question. I think QGIS supports any font installed in your OS. At least it works that way for me (Ubuntu 18.04). Met vriendelijke groet, Raymond On 22-10-2020 15:05, Lars I. Nielsen, LIFA A/S wrote: Hi list. I’ve googled like a madman,

[Qgis-user] Does QGIS support online/web/Google fonts ?

2020-10-22 Thread Lars I. Nielsen, LIFA A/S
Hi list. I've googled like a madman, and haven't found anything to suggest, that QGIS supports online/downloadable (Google?) fonts ? So I assume that it doesn't, but wanted to hear it from you guys before dismissing the idea. We're trying to maintain multiple setups including QGIS users, and

Re: [Qgis-user] Road Labels

2020-10-22 Thread Richard Duivenvoorde
On 10/22/20 2:08 PM, Mike Flannigan wrote: > 1) Are there any other websites that do what the Overpass Turbo website does? Totally unaware of the exact contents of this thread... but I know there is a plugin: QuickOSM in our repo: https://plugins.qgis.org/plugins/QuickOSM/ and I could 'just

Re: [Qgis-user] Road Labels

2020-10-22 Thread Mike Flannigan
Thanks for this procedure Thayer. I use Overpass Turbo to plot tracks along roads.  It is somewhat of a complicated process, but it works.  Perhaps I should be using QGIS to do this instead. But since I currently reply on the Overpass Turbo website, I am looking for an alternate website that

Re: [Qgis-user] Clipping and keeping RGB scale

2020-10-22 Thread Micha Silver
It seems you are raising several questions here, mixed together. See inline... On 10/21/2020 11:16 PM, Mauricio Tecles wrote: Thank you for your answer. I agree and realize that. Let me

[Qgis-user] get_feature_by_id crashing

2020-10-22 Thread Paul Wittle
Hi, Has anyone experienced QGIS crashing out when trying to use get_feature_by_id within a layout? I'm using 3.10.2-A Coruna and it works until I change the ID to 346 at which point QGIS just closes without any error messages. I should point out the layer I'm looking at is an Oracle dataset

[QGIS-it-user] Qgis e Chinese Postman Problem

2020-10-22 Thread Matteo Ruggieri
Buongiorno, qualcuno potrebbe spiegarmi come si imposta un lavoro incentrato sulla risoluzione del Chinese postman problem (o Route inspection problem) con l'utilizzo di Qgis? Sto provando il plugin Chinese Postman Solver ma non riesco a comprenderlo molto bene. I dati delle strade che ho a

Re: [Qgis-user] Projections

2020-10-22 Thread MIKE MCGRADY
As far as I can recall, few studies of long-distance migratory species state what projections are used. Is there any published study of the effect of projections on analyses of animal movement? M M. J. McGrady Am Rosenhugel 59 A-3500 Krems Austria From:

[Qgis-user] QGIS-Installer from Osgeo4W broken?

2020-10-22 Thread Fleischer, Janne Jakob
Hi, is it just me (and my system), or is the qgis-installer from osgeo4w currently broken? I can not get a working install for any (stable) qgis... https://trac.osgeo.org/osgeo4w/ticket/645 Kind regards, Janne ___ Qgis-user mailing list

Re: [Qgis-user] Have QGIS prompt for profile to use everytime ?

2020-10-22 Thread Raymond Nijssen
Yes, that! Thanks! Raymond On 21-10-2020 23:31, Fernando M. Roxo da Motta wrote: On Wed, 21 Oct 2020 17:18:05 +0200, Raymond Nijssen wrote: This script works for me. But I'm not all sure about the way I start a new process for QGIS and quit the python script. I think ending the command

Re: [Qgis-user] Projections

2020-10-22 Thread Hernán De Angelis
Mike For measuring the kind of distances you are mentioning I would suggest using ellipsoidal (geodetic) distances rather than projected distances. This is because projected distances can become very inaccurate over large regions (depending on the particular projection of course). If

Re: [Qgis-user] clip geojason QGIS

2020-10-22 Thread Charles Dixon-Paver
> Convert it to a geopackage first -- geojson is a HORRIBLE format for large datasets like this, as it's completely unoptimised and has no spatial index Just want to add that shapefile itself has size limitations and is not a good format for these types of large datasets (or anything really), so

Re: [Qgis-user] Projections

2020-10-22 Thread Paolo Cavallini
I'd suggest using PostGIS>Geography data type. Cheers. Il 22/10/20 07:43, MIKE MCGRADY ha scritto: > I have data on tracked migratory birds, and want accurate measures of > distance travelled during migration and areas of summering and wintering > ranges.  These birds are summering in central

Re: [Qgis-user] Shared/common library for PyQGIS scripts

2020-10-22 Thread Nyall Dawson
On Tue, 20 Oct 2020 at 19:40, Raymond Nijssen wrote: > > If the code snippets are not suitable for the cookbook (because they are > too odd cases and/or they do not match the cookbook chapters) and you > decide to put them anywhere else, it would be good practice to add the > QGIS version number