Re: [Qgis-user] [QGIS-Developer] QGIS 3 Print Composer - Page Properties

[Nyall Dawson]

On 3 April 2018 at 07:06, Carlo A. Bertelli (Charta s.r.l.)
 wrote:
> I suggest to provide the same interface as version 2 calling this "default
> page size" and explaining that every page could get a different size,
> right-clicking on the page. Most users make one-page maps and they would
> never need this otherwise vital feature.

I've thought long on this. I'm reasonably convinced it's a short-term
issue as people adjust there 2.x workflows to 3.0.

There's two approaches I can see working to mitigate it:

1. Add a "pages panel", which allows you to pick from existing pages
(e.g. via a drop-down combo box) and then set the properties for that
page. It could also have the actions for adding new pages and deleting
existing pages there too.

and/or

2. Add a "new layout wizard", which shows when you create a new print
layout. This would prompt users to set the page size before the layout
is actually created. It could potentially replace the existing layout
manager approach to creating layouts from a template, e.g. by showing
a nice list of available templates via thumbnail graphics.

Unfortunately both approaches aren't trivial, and would require some
hours to implement.

Nyall


> c
>
> On Mon, Apr 2, 2018 at 10:01 PM, Alessandro Pasotti 
> wrote:
>>
>> The reason for this change is that your can now have different settings
>> for each page.
>>
>> The page size is not a property of the layout anymore but it's a property
>> of the page.
>>
>> But I agree that the page properties might be better exposed.
>>
>>
>> On Mon, Apr 2, 2018, 21:56 C Hamilton  wrote:
>>>
>>> I was just going to ask what happened to the "Page Size" properties in
>>> the QGIS 3 print composer, but I stumbled upon it accidentally by
>>> right-mouse clicking on the page and selecting "Page Properties." This was
>>> not easily found. In the QGIS 2 print compose it is a part of the layout. In
>>> QGIS 3 I just lucked out.
>>>
>>> Could the page properties be more obvious to find? At lease add them to
>>> the Layout or Edit menus or put them back under the layout settings.
>>>
>>> Thanks,
>>>
>>> Calvin
>
>
> --
> --
> Carlo A. Bertelli
>Charta servizi e sistemi per il territorio e la storia ambientale srl
>   Dipendenze del palazzo Doria,
>   vc. alla Chiesa della Maddalena 9/2 16124  Genova (Italy)
>   tel./fax +39(0)10 2475439  +39 0108566195  mobile:+39 393 1590711
>e-mail: berte...@chartasrl.eu  http://www.chartasrl.eu
> --
>
>
>
>
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Re: [Qgis-user] QGIS3: ogr2ogr canceling impossible

[Nyall Dawson]

On 31 March 2018 at 01:28, Tobias Wendorff
 wrote:
> Hi there,
>
> I'm using QGIS3, build f07389b421 on Windows.
>
> It's not possible to cancel ogr2ogr processing by pressing the button
> on my system. I had to write a script to cancel ogr2ogr manually.
>
> Is it just me or shall I file a bug-report?

It's kind-of a bug - the cancel button should be disabled because
there's currently no support for cancelling gdal/ogr algorithms.

What script did you use to add cancelation support?

Nyall

>
> Best regards,
> Tobias
>
>
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Re: [Qgis-user] True North

[Alexandre Neto]

AFAIK, true bearing differs in time and location because of magnetic
declination. So I don't think there is a such thing as a CRS with true
bearings.

Assuming you are working at regional level, find the magnetic declination
for that region and remove it from your observations. Then draw the azimuth
using the chosen CRS. I think 26910 will work just fine.

If you are at a larger scale, then you may need to use different magnetic
declination values for each observation.

This may help:

https://www.ngdc.noaa.gov/geomag/declination.shtml

Best Regards,

Alexandre Neto

A seg, 2/04/2018, 23:54, Springfield Harrison 
escreveu:

> Hello,
>
> I am using CRS 26910, NAD83 / UTM zone 10N, and need to draw lines at
> exact true bearings.  The Advanced Digitizing Tool seems to do this but
> which CRS would I use to ensure that the bearing is True?
>
> Thanks very much . . .
>
>
> Cheers . . . . . Springfield Harrison
>
>
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-- 
Alexandre Neto
-
@AlexNetoGeo
http://sigsemgrilhetas.wordpress.com
http://gisunchained.wordpress.com
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[Qgis-user] True North

[Springfield Harrison]

Hello,

I am using CRS 26910, NAD83 / UTM zone 10N, and need to draw lines at 
exact true bearings.  The Advanced Digitizing Tool seems to do this but 
which CRS would I use to ensure that the bearing is True?


Thanks very much . . .


Cheers . . . . . Springfield Harrison


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Re: [Qgis-user] [QGIS-Developer] QGIS 3 Print Composer - Page Properties

[Carlo A. Bertelli (Charta s.r.l.)]

I suggest to provide the same interface as version 2 calling this "default
page size" and explaining that every page could get a different size,
right-clicking on the page. Most users make one-page maps and they would
never need this otherwise vital feature.
c

On Mon, Apr 2, 2018 at 10:01 PM, Alessandro Pasotti 
wrote:

> The reason for this change is that your can now have different settings
> for each page.
>
> The page size is not a property of the layout anymore but it's a property
> of the page.
>
> But I agree that the page properties might be better exposed.
>
>
> On Mon, Apr 2, 2018, 21:56 C Hamilton  wrote:
>
>> I was just going to ask what happened to the "Page Size" properties in
>> the QGIS 3 print composer, but I stumbled upon it accidentally by
>> right-mouse clicking on the page and selecting "Page Properties." This was
>> not easily found. In the QGIS 2 print compose it is a part of the layout.
>> In QGIS 3 I just lucked out.
>>
>> Could the page properties be more obvious to find? At lease add them to
>> the Layout or Edit menus or put them back under the layout settings.
>>
>> Thanks,
>>
>> Calvin
>>
>
-- 
--
Carlo A. Bertelli
   Charta servizi e sistemi per il territorio e la storia ambientale srl
  Dipendenze del palazzo Doria,
  vc. alla Chiesa della Maddalena 9/2 16124  Genova (Italy)
  tel./fax +39(0)10 2475439  +39 0108566195  mobile:+39 393 1590711
   e-mail: berte...@chartasrl.eu  http://www.chartasrl.eu
--
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Re: [Qgis-user] TIN Interpolation from points (survey) with breaklines

[Casoli-Risorsaterra]

Thak you Teddy

I tried installing Openjump and Interpolate Points with breaklines using 
the proper Sextante tool but even, if the triangulation was right 
(respect to the breaklines), the quotes of the 2,5D polygons generated 
by the tool were not right! Maybe I missed something?


Looking around for some tools useful for my purpuse, I found the 
v.Triangle (1) Grass module that is no more contained in the Grass 
Processing Tool in Qgis (or at least I couldn't find it!)


It's simply a "front-end" to the famous utility Triangle 
 (2) of J.R. Shewchuk 
...and It should be exactly what I need in Qgis.


Could I do something to support the (re)developping or new adding of 
this processsing module?


Thanks in advance.

Riccardo

/_*Riccardo Casoli*_, Geologo(email:cas...@risorsaterra.it 
; cell:3289026131)/



Studio Associato Risorsaterra

/di Massimo Barbonaglia, Riccardo Casoli,
Michele Colombo, Federico Cravello/

via Coda, 22/E - 13900 Biella Chiavazza
Tel e fax: 01523346
e-mail: i...@risorsaterra.it 
PEC: risorsate...@professionistipec.it 



C.F. e P.Iva: IT02413380029



__
(1) https://grasswiki.osgeo.org/wiki/TIN_with_breaklines
(2) http://www.cs.cmu.edu/~quake/triangle.html


*Da:* Qgis-user-request 
*Data:* Venerdì, 30.03.2018 11:01 +0200
*A:* qgis-user@lists.osgeo.org 
*Oggetto:* Qgis-user Digest, Vol 145, Issue 62

Message: 1
Date: Wed, 28 Mar 2018 20:10:21 +0200
From: teddy guerin
To:"cas...@risorsaterra.it"  
Cc:qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] TIN Interpolation from points (survey) with
break   (interrupt or constraint) lines
Message-ID:<21a57a6c-c608-4c42-8e50-bddb4b0ff...@yahoo.fr>
Content-Type: text/plain; charset="utf-8"

Hi,

I seem that you use grass (module of qgis) for this action or openjump .

Regards

Ted

Envoyé de mon iPad


Le 28 mars 2018 à 19:23,"cas...@risorsaterra.it"    a 
écrit :

Hi everybody

I have a PointSHP with Z field value that represents the survey on a step 
vineyard: points have been token along base and edge of steps to represent 
slope breaks.

In order to build a TIN (DEM) I created a line SHP and drew a series of lines 
linking  related  points (respecting morphological alignements).

Then I tried to build a triangulagion TIN (DEM) by "Interpolation TIN" tool 
using my points with their Z elevation field and my breaklinesline SHP to constrain 
triangulation inside each slope or step.
But the TIN obtained is a regular inclined surface that follows the general 
slope of the whole survey given by mean of z value of points: no steps no 
slopes.

Where I miss? What is the way to build a TIN from points with constrain lines?
I send an image that represents the points and breaklines on a orthophoto 
foreground and beside the same vector elements on the resulting TIN by 
interpolation.

Thanks in advance.

--
Riccardo Casoli, Geologo (email:cas...@risorsaterra.it; cell:3289026131)


Studio Associato Risorsaterra
di Barbonaglia, Casoli, Colombo, Cravello
Agricoltura, geologia, foreste
via Coda, 22/e
13900 Biella Chiavazza
Tel e fax: 01523346
e-mail:i...@risorsaterra.it
C.F. e P.Iva: IT02413380029


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Re: [Qgis-user] [QGIS-Developer] QGIS 3 Print Composer - Page Properties

[Alessandro Pasotti]

The reason for this change is that your can now have different settings for
each page.

The page size is not a property of the layout anymore but it's a property
of the page.

But I agree that the page properties might be better exposed.


On Mon, Apr 2, 2018, 21:56 C Hamilton  wrote:

> I was just going to ask what happened to the "Page Size" properties in the
> QGIS 3 print composer, but I stumbled upon it accidentally by right-mouse
> clicking on the page and selecting "Page Properties." This was not easily
> found. In the QGIS 2 print compose it is a part of the layout. In QGIS 3 I
> just lucked out.
>
> Could the page properties be more obvious to find? At lease add them to
> the Layout or Edit menus or put them back under the layout settings.
>
> Thanks,
>
> Calvin
> ___
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[Qgis-user] QGIS 3 Print Composer - Page Properties

[C Hamilton]

I was just going to ask what happened to the "Page Size" properties in the
QGIS 3 print composer, but I stumbled upon it accidentally by right-mouse
clicking on the page and selecting "Page Properties." This was not easily
found. In the QGIS 2 print compose it is a part of the layout. In QGIS 3 I
just lucked out.

Could the page properties be more obvious to find? At lease add them to the
Layout or Edit menus or put them back under the layout settings.

Thanks,

Calvin
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[Qgis-user] Plugins para QGIS 3.0

[Arq . Jorge Acuña Fretes]

Al tratar de instalar Plugins de Boundlessgeo, me aparece el siguiente
mensaje de error





Arq. Jorge Acuña Fretes
+595 991 855900
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[QGIS-it-user] Integrazione Lidar DEM

[Carlo Tersigni]

Salve. Sto facendo una analisi geomorfologica per una ferrovia in Africa.
E' stato fatto un rilievo Lidar (risoluzione 15 metri) lungo una fascia di
circa 1,5 km a cavallo del tracciato, con la restituzione della nuvola di
punti in formato xyz o csv. Ho scaricato i DEM per l'area vasta, con
risoluzione 30 metri, dal sito USGS, per poter comprendere nell'analisi
anche i bacini di una certa importanza.
Per poter lavorare in maniera omogenea e poter aumentare l'accuratezza,
vorrei integrare il DEM con il rilievo Lidar. Ho pensato di procedere in
questo modo:
1) Costruire una maglia di punti distanti 30 metri, larga circa 30 km e
lunga circa 120 km (in totale più di 10 milioni di punti).
2) Campionare il DEM in corrispondenza dei punti per avere la z. Salvare il
layer in un csv, con xyz negli attributi.
3) Fare un merge tra il layer dei punti Lidar e quello dei punti
ricampionati dal DEM, ottenendo un unico layer con un addensamento di punti
nella fascia a cavallo del tracciato.
4) Ricostruire un nuovo DEM mediante il comando di interpolazione; su tale
DEM svolgere l'analisi morfologica con QGIS o con SAGA.
C'è però qualcosa che non va in questo piano di lavoro. Fino al
campionamento dei punti va tutto bene, ma in seguito il processo è
lentissimo e difficoltoso. Creare due nuove colonne di attributi in cui
riversare le coordinate x e y nel file di campionamento, in modo da avere
un i tre valori x, y e z nella tabella attributi, copiando le coordinate $x
e $y è praticamente impossibile; comunque risulta difficile copiare anche
l'attributo y in una apposita colonna (dato che la posizione ed il nome
sono errati).
Cosa c'è che non va in questo piano di lavoro? Qualcuno sa dirmi dove è
sbagliato o sa suggerirmi un percorso più efficiente, per poter integrare
il DEM con i dati del Lidar? Ho una buona esperienza con il calcolatore dei
campi per i vettori, un po' meno con il calcolatore per i DEM.
Tutti i file sono nello stesso SR: UTM 32N.
Grazie per eventuali correzioni o suggerimenti.
​Carlo Tersigni​

-- 
*Carlo TERSIGNI*
*Via Padre Semeria, 6300154 - ROMA*

*tel.: 333-4653589e-mail: carter@gmail.com *
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Re: [Qgis-user] QGIS3: zoom in fixed XYZ steps?

[Richard Duivenvoorde]

On 02-04-18 00:23, Tobias Wendorff wrote:
> Hi there,
> 
> when loading an XYZ layer, is there some way to zoom exactly to
> the zoom step's fixed resolution?
> 
> QMS has such a feature, but perhaps something similar is hidden
> in QGIS core? Something like a slider perhaps?

Yes, there is a panel 'Tile Scale' which is working for WMST, and to me
also looks to work for xyz layers:

- open xyz layer (eg osm)
- be sure the active layer is this xyz layer in the layer panel
- via menu View/Panels select 'Tile Scale Panel' (or via context menu in
the toolbars panel)
- now you can use the slider to go to a fixed scale. After that your
mouse scroll will also stick at the fixed scales (as that one does an
exact factor 2 or 0.5).

IF you really always work with xyz layers as reference layers, it is
possible to change your 'predefined' scales which you see in the Scales
dropdown in the bottom status bar of QGIS. Just export those as xml,
adapt the values and then import them.

I wrote something about it some years ago, to adapt those scales to our
national WMTS scales (which is a DIFFERENT schema then the Google/World
schema the xyz layers use!) [0]

Would be nice to maybe create a 'layer tree widget' [1][2] for these xyz
layers?

Regards,

Richard Duivenvoorde


[0] http://www.qgis.nl/2015/06/14/change-predefined-scales/?lang=en
[1]
https://www.qgis.org/fi/site/forusers/visualchangelog216/index.html#feature-embedded-widgets-in-layer-tree
[2] https://github.com/qgis/QGIS/pull/3170
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[Qgis-user] Converting a paleted TIF to an ASC (or series of ASC files)

[Steve Research]

I have a habitat file from the European Environment Agency with the
following classes:

1 115 178 255  A - Marine habitats
2 255 211 127  B - Coastal habitats
3 0 112 255C - Inland surface waters
4 223 115 255  D - Mires, bogs and fens
5 85 255 0 E - Grasslands and land dominated by forbs, mosses or lichens
6 255 170 0F - Heathland, scrub and tundra
7 38 115 0 G - Woodland, forest and other wooded land
8 178 178 178  H - Inland unvegetated or sparsely vegetated habitats
9 255 255 0I - Regularly or recently cultivated, hortocultural and
domestic habitats
10 255 0 0 J - Constructed, industrial and other artificial habitats

I cannot get this to convert to a ASC using the Raster Convert options. It
gives errors refering to RGB and prompts me to create a GEN file .

Any assistance gratefully received!
Cheers,
Steve
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Re: [Qgis-user] Problems with tables in layout

[Alessandro Pasotti]

Looks likes bug.

Can you file a ticket attaching a sample project?

On Mon, Apr 2, 2018, 10:15 Eduardo García 
wrote:

> Hello everyone.
> I am using version 3.0.1.
> I have a project to which I have added a layout.
> In this layout, the cartography is visualized on the one hand and the
> attributes of each element on the other, by generating an atlas.
> My problem is in the table. I have inserted the table several times
> showing only one field each time.
> The problem is that if I close QGIS and open it again, the contents of the
> table are unconfigured, and it shows me all the attributes of a record in
> each of the tables inserted in the layout.
>
> Is there any solution to this problem?
>
> Eduardo.
>
>
>
>
>
>
> 
>  Libre
> de virus. www.avast.com
> 
> <#m_-315653083259180367_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
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[Qgis-user] Problems with tables in layout

[Eduardo García]

Hello everyone.
I am using version 3.0.1.
I have a project to which I have added a layout.
In this layout, the cartography is visualized on the one hand and the
attributes of each element on the other, by generating an atlas.
My problem is in the table. I have inserted the table several times showing
only one field each time.
The problem is that if I close QGIS and open it again, the contents of the
table are unconfigured, and it shows me all the attributes of a record in
each of the tables inserted in the layout.

Is there any solution to this problem?

Eduardo.







---
El software de antivirus Avast ha analizado este correo electrónico en busca de 
virus.
https://www.avast.com/antivirus
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Re: [QGIS-it-user] Qgis 2.18 LRT - Avviso disponibilità nuove versioni

[Umberto Zulian]

In realtà tutti gli aggiornamenti di QGIS sono contemporanei, circa ogni 4 
settimane

road map:  https://www.qgis.org/it/site/getinvolved/development/roadmap.html


Da: QGIS-it-user  per conto di Carlo 
Tersigni 
Inviato: domenica 1 aprile 2018 18:25
A: Marco Spaziani
Cc: Utenti QGIS it
Oggetto: Re: [QGIS-it-user] Qgis 2.18 LRT - Avviso disponibilità nuove versioni

Anche io penso che sarebbe utile sapere quando ci sono aggiornamenti per la 
versione LTR.

Il giorno 31 marzo 2018 21:49, Marco Spaziani 
> ha scritto:
Sarebbe utile (sicuramente non indispensabile ...ma certamente utile) se 
all'avvio di Qgis, nella barra dell'avviso della disponibilità delle nuove 
versioni, oltre ai messaggi relativi alla nuove uscite della serie 3.x, ci 
fossero anche messaggi relativi alle nuove versioni della serie 2.18.x LRT 
(che, presumo, sia o dovrebbe essere la versione consigliata da usare negli 
uffici pubblici o ovunque ci sia bisogno di un prodotto "stabile" e affidabile)

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--
Carlo TERSIGNI
Via Padre Semeria, 6300154 - ROMA
tel.: 333-4653589
e-mail: carter@gmail.com
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