Re: [QGIS-it-user] Numero 15 Analisi di Visibilità - r.viewshed (Dario Saccoccia)

2020-04-12 Thread Luca Bellani
Grazie a te per condividere tutto questo..lo salvo e stuido con calma! é vero, quello dela visibilitá inversa..forse io avevo capito una cosa diversa... esempio: prendendo in considerazione una porzione di DEM, selezionare i punti di interesse...ma immagno che alla fn, sia una sorta di

Re: [QGIS-it-user] Dubbio trasformazioni EPSG con GDAL 3.0.14 e PROJ 6.3.1

2020-04-12 Thread Luca Bellani
Certo, ora tutto chiaro.. Mille grazie per tutte le info!!! grazie! -- Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-Italian-User-f5250612.html ___ QGIS-it-user mailing list QGIS-it-user@lists.osgeo.org

[Qgis-user] (no subject)

2020-04-12 Thread tiago . moraessilva
Hi guys, I would like to know how do I select the registers with the same value repeated in the same field (text or numbers) in a table of atributts, and only those registers. I Know that is posible using select by atributtes but i need especify those atributes, is not the case. I want to select

Re: [Qgis-user] merge shapefiles into one

2020-04-12 Thread Nicolas Cadieux
Hi Niall, This is a causes by a Windows 10 limite on the amount of open files it can handle (around 1024 I think). Problems happen when you have thousands of opened shapefile that need to be merged (like when you use and external program to find the file extent for thousands of files on a HD

[Qgis-user] SAGA Flow to GRIB

2020-04-12 Thread krishna Ayyala
Hello, I am using QGIS3.12. I am using the tool "SAGA Flow to GRIB" from the Crayfish. [image: image.png] When I run this tool, I am getting the following error message. Can you please help me fix this? Regards. [image: image.png] ___ Qgis-user

Re: [Qgis-user] merge shapefiles into one

2020-04-12 Thread Nyall Dawson
On Mon, 13 Apr 2020 at 08:09, Nicolas Cadieux wrote: > > Hi, > > If you have too many shapefile for this to work, d̶r̶a̶g̶ ̶a̶n̶d̶ ̶d̶r̶o̶p̶ > ̶i̶n̶ ̶S̶a̶g̶a̶.̶ File a bug report, and we'll investigate. Nyall > > Nicolas Cadieux > Ça va bien aller! > > Le 12 avr. 2020 à 15:11, Dave Marshall

Re: [Qgis-user] rRegular Shapes In 3.12

2020-04-12 Thread Håvard Tveite
If you want to draw the shapes, the "Shape Digitizing Toolbar" contains tools for drawing circle, ellipse, rectangle and regular polygon. If you want to generate circles from points, I guess the "Rectangles, oval, diamonds" algorithm could help you. Håvard On 12.04.2020 21:18, wildlan...@aol.com

Re: [Qgis-user] merge shapefiles into one

2020-04-12 Thread Nicolas Cadieux
Hi, If you have too many shapefile for this to work, drag and drop in Saga. You can merge there. Over a few hundred files, this if the fastest way to do it. Saga will also add the file name to a new field. Nicolas Cadieux Ça va bien aller! > Le 12 avr. 2020 à 15:11, Dave Marshall

Re: [Qgis-user] merge shapefiles into one

2020-04-12 Thread Mark Fogarty
thank you all. i guess i was taking the instructions too literally, i wanted to see 'Merge Shapefiles to One...' thanks again, mf From: Dave Marshall <43carn...@gmail.com> Sent: Sunday, April 12, 2020 2:11 PM To: Mark Fogarty Cc: qgis-user@lists.osgeo.org Subject: Re: [Qgis-user] merge

Re: [QGIS-it-user] Numero 15 Analisi di Visibilità - r.viewshed (Dario Saccoccia)

2020-04-12 Thread Dario Saccoccia
Ciao, per correttezza e completezza riporto risposta giuntami da altra sede: CiaoDario , un'analisi viewshed si basa sulla determinazione della linea di vista (il percorso ottico in "linea retta" fra due punti) per ogni cella

[Qgis-user] rRegular Shapes In 3.12

2020-04-12 Thread wildlandin
Not seeing or finding the Regular Shape tool to draw, in particular, circles in the new version.  Never used it in the older versions so no idea where to look.  Help Directory gives an account of how to use it, Shows an icon.  Can't find it though.  The Edit panel shows Add Rectangle, Add

Re: [Qgis-user] merge shapefiles into one

2020-04-12 Thread Dave Marshall
Mark, I recently upgraded to 3.12 and didn't do anything extra to the standard upgrade but I do have the option - see below: [image: image.png] Dave On Sun, 12 Apr 2020 at 19:07, Mark Fogarty wrote: > hi. i'm new to the list and qgis, apologies if this has been asked. we're > working with the

Re: [Qgis-user] merge shapefiles into one

2020-04-12 Thread Håvard Tveite
You can try the "Merge vector layers" function / algorithm. ESRI Shapefile format datasets can be selected using the Add File(s) button. Håvard On 12.04.2020 20:08, Mark Fogarty wrote: > hi. i'm new to the list and qgis, apologies if this has been asked. we're > working with the us census tract

[Qgis-user] merge shapefiles into one

2020-04-12 Thread Mark Fogarty
hi. i'm new to the list and qgis, apologies if this has been asked. we're working with the us census tract files available from census.gov here: https://www.census.gov/cgi-bin/geo/shapefiles/index.php?year=2019 =Census+Tracts they are published as 54 separate zip files, one per state. we would