[Qgis-user] Removing icons Qgis

[Marin Mirosevic]

Hi,

Is it possible to remove/hide some icons from Qgis which are not used often 
like for ex "style manager"  (form Attributes Toolbar) and some others on other 
toolbars?

And leave most used ones?




With regards/ Vennlig hilsen


Marin Mirosevic
Consultant
Mobil +47 909 67 511
marin.mirose...@bouvet.no


Bouvet Norge AS
bouvet.no



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Re: [QGIS-it-user] QgsProcessingAlgorithm.initAlgorithm() is abstract and must be overridden

[Andrea Giudiceandrea]

Giacomo Fontanelli-2 wrote
> WARNINGNotImplementedError: QgsProcessingAlgorithm.initAlgorithm() is
> abstract and must be overridden

Ciao Giacomo,
l'errore indica, come effettivamente si vede dal codice, che manca la
sottoclasse
def initAlgorithm(self, config=None)
in cui si definiscono i parametri di input e di output.

https://qgis.org/pyqgis/3.16/core/QgsProcessingAlgorithm.html#qgis.core.QgsProcessingAlgorithm.initAlgorithm
https://docs.qgis.org/3.16/en/docs/user_manual/processing/console.html#creating-scripts-and-running-them-from-the-toolbox

A presto.

Andrea



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Re: [QGIS-it-user] qgis 3.10.12 ( ed anche 3.16) crash durante la stampa atlante in pdf

[Ernesto Sferlazza]

Verifica 1: prova a creare un progetto nuovo, inserendo più o meno gli stessi
dati e a replicare il layout. 
Se il problema non si ripresenta, cestina il vecchio progetto e non pensarci
più.

Verifica 2: se il problema non si risolve con il metodo sopra descritto,
prova a reinstallare Qgis.

Verifica 3: se hai modo di replicare su un Hd portatile i dati ed il
progetto che presentatava il problema (magari salvando il progetto su hd con
l'opzione di memorizzare i percorsi relativi), prova a vedere cosa succede
utilizzando un altro pc, preferibilmente ancora più performante, dove hai
già installato la stessa versione di Qgis. 
Se si verifica lo stesso problema, allora ci sono buone probabilità che non
è un problema di PC 
Se il problema, invece, non si ripresenta, prima di dare la colpa
all'hardware, prova a collegare nuovamente l'Hd esterno sul pc originario.

Infine, se il problema si ripresenta in tutti i casi, faccelo sapere e passa
il quesito ai programmatori.




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Re: [QGIS-it-user] plugin cxf_in: comportamento anomalo

[Ernesto Sferlazza]

Sarebbe utile aggiungere in mappa, per avere un termine di paragone
attendibile, il servizio wms dell'Agenzia delle Entrate (
https://wms.cartografia.agenziaentrate.gov.it/inspire/wms/ows01.php) e
vedere cosa succede.
Qual è il sistema di riferimento nativo che compete ai cxf scaricati?
Personalmente preferisco utilizzare i dati grezzi, convertirli in shapefile
e solo dopo effettuare la trasformazione di coordinate con un modello
apposito messo a punto per la zona di interesse.
A tal proposito, ti rimando a questo mio articolo, dove trattavo come
esempio proprio un modello di trasformazione avente ad oggetto punti doppi
di una rete catastale:
https://mediageo.it/ojs/index.php/GEOmedia/article/view/578/519 




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[QGIS-it-user] plugin cxf_in: comportamento anomalo

[Roberta Fagandini]

Buonasera a tutti,
sto utilizzando il Plugin cxf_in per importare dei file cxf e georiferirli
con SR  Monte Mario / Italy zone 1 (EPSG:3003).
Gli stessi file cxf li avevo già importati e georiferiti con il plugin
qualche mese fa (giugno) ottenendo un certo risultato, oggi facendo le
medesime operazioni con gli stessi file cxf in input ne ho ottenuto un
altro. In generale nel risultato dell'importazione di oggi si nota una
certa traslazione (sotto il metro) e soprattutto le geometrie sembrano
essere "diverse" (maggior numero di vertici ad esempio).
Visto che la versione del plugin è la stessa (v. 9.2) così come i dati di
input, ci chiedevamo se fosse cambiato qualcosa nel DB di punti doppi che
viene utilizzato per la georeferenziazione connettendosi al server.
Potrebbe essere plausibile?
Qualcuno ha notato questo stesso comportamento?

Al link [0] uno screenshot per illustrare meglio la problematica.

Grazie!!
[0]
https://drive.google.com/file/d/1L_DIrGpejfmUMjeldnu6MsbPMnPl7M_A/view?usp=sharing

Roberta
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*GIS and Remote Sensing Technician*
*Gter srl (Unige spin-off)*
*Via Jacopo Ruffini 9/1A - 16128 Genova*
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[QGIS-it-user] QgsProcessingAlgorithm.initAlgorithm() is abstract and must be overridden

[Giacomo Fontanelli]

sto cercando di scrivere uno script per processing.

Potrei includervi anche tutto il listato ma sarebbe inutile, perchè anche
tentando di fare girare la parte di script che trovate qui sotto ricevo un
errore

WARNINGNotImplementedError: QgsProcessingAlgorithm.initAlgorithm() is
abstract and must be overridden


from qgis.PyQt.QtCore import QCoreApplication
from qgis.core import (
QgsProcessing,
QgsProcessingAlgorithm,
QgsProcessingParameterVectorLayer,
QgsProcessingParameterRasterLayer,
QgsProcessingParameterString,
QgsProcessingParameterEnum,
QgsProcessingOutputVectorLayer)
from qgis import processing

class mioScript(QgsProcessingAlgorithm):

# 2A
INPUT_RASTER = 'INPUT_RASTER'
INPUT_VECTOR = 'INPUT_VECTOR'
COLUMN_PREFIX = 'COLUMN_PREFIX'
STATISTICS = 'STATISTICS'

# 2B
def tr(self, string):
return QCoreApplication.translate('Processing', string)

# 2C
def createInstance(self):
return mioScript()

# 2D
def name(self):
return 'Zonal stat for stacks'

# 2E
def displayName(self):
return self.tr('Zonal stat for stacks')

# 2F
def group(self):
return self.tr('RS')

# 2G
def groupId(self):
return 'rasteranalysis'

# 2H
def shortHelpString(self):
return self.tr("This script perform statistics on multilayer
stacks")
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Re: [Qgis-user] QGIS 3.xx not starting

[Nicolas Cadieux]

Hi,

I would start with the suggestion below.  Then, I would update all the drivers 
and try to see what other software is normally auto loaded at startup to see 
what could be interfering with QGIS (like a anti malware).  Concerning 
Quickheal, it may have blocked something at the installation so I would 
uninstall it (or disable it completely) and uninstall  QGIS. Reboot, then 
reinstall QGIS.

Nicolas Cadieux
https://gitlab.com/njacadieux

> Le 21 déc. 2020 à 00:35, Ujaval Gandhi  a écrit :
> 
> 
> One of the original suggestions was to disable / uninstall your anti-virus 
> and try launching qgis. Did you try that? From your description it looks like 
> Quickheal might be interfering with qgis. Qgis has other dependencies on 
> python, qt etc so merely allowing qgis may not be enough.  
> 
> Ujaval Gandhi 
> Spatial Thoughts
> 
>> On Mon, Dec 21, 2020, 9:41 AM K R Mayani  wrote:
>> As one suggestion came from other source, I have tried opening QGIS with 
>> firewall off. So I tried to add .exes of python, qgis ltr, qgis in allowed 
>> program in QuickHeal, as its installed and managed firewall, but did not 
>> start.
>> So that strike me another idea. And I started the program in safe boot mode 
>> with network  in windows 10. Surprisingly the program ran normally without 
>> crashing. 
>> So can anyone give me any idea, what went wrong in normal boot mode? Because 
>> in safe boot, OS does not allow to connect through wifi and I, had to, 
>> mostly work with wifi. 
>> 
>>> On Tue, Dec 8, 2020, 7:32 PM Nicolas Cadieux  
>>> wrote:
>>> Hi,
>>> 
>>> Just a bunch of ideas...
>>> Did you have a working version before or is this a first time QGIS 
>>> installation?  You have 2 choices of installers on Windows, I would try 
>>> with the second installer after removing the first version.  Reboot the 
>>> computer after the installation.  Try Disabling your antivirus or adware 
>>> software you could have when installing or starting QGIS, make sure your 
>>> Windows and drivers are up to date.  Do you have a second version of Python 
>>> on your computer, or a software like ESRI that as it’s own version of 
>>> Python? Perhaps there is a conflict between your QGIS python and the 
>>> default python distribution?  If this is not a new install, would you have 
>>> a problématique python plugin  in the plugin directory? Perhaps try 
>>> removing those...  Would you have weird character in your user directory 
>>> like spaces or accents like “é”? 
>>> 
>>> Nicolas Cadieux
>>> https://gitlab.com/njacadieux
>>> 
> Le 8 déc. 2020 à 07:07, K R Mayani  a écrit :
> 
 
 Hi,
 I am using QGIS 3.14.1 on my Laptop. I am having trouble with the software 
 about its starting. After setting up python screen, it does not starts. I 
 have also tried "run as administrator" but still the problem persists. 
 With v3.10 and v3.14.1, the same problem is there. I have installed 
 software again with "Run as Administrator" but the issue is not solved.
 .NET 4.8 already installed.
 osbuild: 19042.630
 OS: Windows 10, home
 Processor:AMDRyzen 5 3550H with Radeon Vega Mobile Gfx 2.10 GHz
 RAM: 8.00 GB
 crash: https://pastebin.com/5Tk75LTu
 Which version should support my system rig?
 Please help me with my trouble. Or suggest to me the steps.
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Re: [Qgis-user] how to make a DEM

[Micha Silver]

  
  
Hello Nikos:
Here are two options to get you started.
QGIS has a front-end to the GDAL utility GDAL_grid under the
  "Raster ->Analysis" menu, there are four GRID* options. You
  would do well to first read the GDAL grid tutorial:
https://gdal.org/tutorials/gdal_grid_tut.html#gdal-grid-tut
to choose the best method for your case.

These interpolation options are not the best, so your results
  will depend on the density of the points.


A second option is the GRASS tool, v.surf.rst under "Processing
  -> GRASS -> Vector". This tool uses spine interpolation, and
  offers some configurations to the smoothing procedure, so it's a
  bit more complicated. But it often gives better results. 



HTH, Micha





On 12/21/2020 3:09 PM,
  labri...@eled.auth.gr wrote:


  
  Hi all,
  
  
  I use QGIS 3.14.16 on WIN10.
  
  I have a shp file of points. For each point I have the height in
  meters. I would like to make a DEM out of it.
  
  How can I do it? I tried to find something in QGIS 3.16
  documentation but didn't help.
  
  Any ideas?
  
  
  
  Thank you very much
  
  Nikos
  
  
  

-- 
Micha Silver
Remote Sensing Lab, Sde Boker
Ben Gurion University
cell: +972-523-665918
  

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Re: [Qgis-user] how to make a DEM

[Vincent Cloarec]

Hello,

Better to use 3.16.1or wait for the 3.16.2 (no long to wait...)
Processing tool :
For a raster DEM : Interpolation --> TIN Interpolation
for a mesh Layer TIN DEM : MESH --> TIN Mesh Creation

Regards,

Vincent


[image: image.png]


Le lun. 21 déc. 2020 à 09:23,  a écrit :

>
> Hi all,
>
> I use QGIS 3.14.16 on WIN10.
> I have a shp file of points. For each point I have the height in
> meters. I would like to make a DEM out of it.
> How can I do it? I tried to find something in QGIS 3.16 documentation
> but didn't help.
> Any ideas?
>
>
> Thank you very much
> Nikos
>
>
> --
> Διευκρίνιση ηλεκτρονικού ταχυδρομείου
> Οι πληροφορίες που συμπεριλαμβάνονται σε αυτό το μήνυμα είναι
> εμπιστευτικές και η χρήση τους επιτρέπεται μόνον από τον αναφερόμενο
> παραλήπτη. Εάν έχετε λάβει το παρόν μήνυμα από λάθος και δεν είστε ο
> προοριζόμενος παραλήπτης, σας ενημερώνουμε ότι αποκάλυψη, αναπαραγωγή,
> διανομή ή οποιασδήποτε άλλης μορφής χρήση των περιεχομένων του
> παρόντος μηνύματος απαγορεύεται. Επίσης παρακαλείσθε να αποστείλετε το
> αρχικό μήνυμα στην διεύθυνση του αποστολέα, καθώς και στη συνέχεια να
> διαγράψετε το μήνυμα από το σύστημά σας.
> Η επικοινωνία μέσω Internet δεν είναι ασφαλής και επομένως το ΑΠΘ δεν
> φέρει ευθύνη για οποιαδήποτε θετική ή αποθετική ζημιά που προκλήθηκε
> από την χρήση του παρόντος ή των συνημμένων του λόγω ιών που έχουν
> περάσει σε αυτά.
>
> Σας Ευχαριστούμε,
> Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης
>
> Email Disclaimer
> The information in this email is confidential and is intended solely
> for the addressee(s). If you have received this transmission in error,
> and you are not an intended recipient, be aware that any disclosure,
> copying, distribution or use of this transmission or its contents is
> prohibited. Furthermore, you are kindly requested to send us back the
> original message to the sender’s address and delete the message from
> your system immediately.
> Internet communications are not secure and therefore AUTH does not
> accept legal responsibility for the contents of this message and for
> any damage whatsoever that is caused by viruses being passed.
>
>
> Thank You,
> Aristotle University of Thessaloniki
>
>
> 
> Δρ. Νίκος Λαμπρινός
> Καθηγητής της Διδασκαλίας της Γεωγραφίας
> Τμήμα Δημοτικής Εκπαίδευσης
> Α.Π.Θ. 54124 Θεσσαλονίκη
> Τηλ.: 2310 991201 / 991230
> Email: labri...@eled.auth.gr
> Web Page: http://users.auth.gr/labrinos/
>   http://www.digital-earth.edu.gr/
>   https://www.auth.gr/univUnits
>
>
> 
> Dr. Nikos Lambrinos
> Professor of Geography Teaching
> President of the Hellenic digital earth Centre of Excellence
> Faculty of Education
> School of Primary Education
> Dept. of Science and New Technologies
> Aristotle University of Thessaloniki
> GR-54124 Thessaloniki, Greece
> Tel: +30 2310 991201
> Email: labri...@eled.auth.gr
> Web Page: http://users.auth.gr/labrinos/
>   http://www.digital-earth.edu.gr/
>   https://www.auth.gr/en/univUnits
>
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Re: [Qgis-user] Volume calculation - Reg

[Michael Dufty]

Just tried a few datasets in 3d faces and they triangulate beautifully in 3.16. 
 For some reason need to import from dwg instead of dxf, or re-export to gpkg 
before the tool will let me use the intrinsic z data, but really works very 
nicely.

Michael Dufty
From: Qgis-user  On Behalf Of Kirk Schmidt
Sent: Friday, 18 December 2020 9:41 PM
To: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] Volume calculation - Reg


Hi Mike:

I usually convert the contours or breaklines into a point layer and then 
generate a dem from that.  This is not a precise methodology but it would 
depend on what you are trying to do and the precision of the underlying data.

Kirk Schmidt
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[Qgis-user] how to make a DEM

[labrinos]

Hi all,

I use QGIS 3.14.16 on WIN10.
I have a shp file of points. For each point I have the height in  
meters. I would like to make a DEM out of it.
How can I do it? I tried to find something in QGIS 3.16 documentation  
but didn't help.

Any ideas?


Thank you very much
Nikos


--
Διευκρίνιση ηλεκτρονικού ταχυδρομείου
Οι πληροφορίες που συμπεριλαμβάνονται σε αυτό το μήνυμα είναι  
εμπιστευτικές και η χρήση τους επιτρέπεται μόνον από τον αναφερόμενο  
παραλήπτη. Εάν έχετε λάβει το παρόν μήνυμα από λάθος και δεν είστε ο  
προοριζόμενος παραλήπτης, σας ενημερώνουμε ότι αποκάλυψη, αναπαραγωγή,  
διανομή ή οποιασδήποτε άλλης μορφής χρήση των περιεχομένων του  
παρόντος μηνύματος απαγορεύεται. Επίσης παρακαλείσθε να αποστείλετε το  
αρχικό μήνυμα στην διεύθυνση του αποστολέα, καθώς και στη συνέχεια να  
διαγράψετε το μήνυμα από το σύστημά σας.
Η επικοινωνία μέσω Internet δεν είναι ασφαλής και επομένως το ΑΠΘ δεν  
φέρει ευθύνη για οποιαδήποτε θετική ή αποθετική ζημιά που προκλήθηκε  
από την χρήση του παρόντος ή των συνημμένων του λόγω ιών που έχουν  
περάσει σε αυτά.


Σας Ευχαριστούμε,
Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης

Email Disclaimer
The information in this email is confidential and is intended solely  
for the addressee(s). If you have received this transmission in error,  
and you are not an intended recipient, be aware that any disclosure,  
copying, distribution or use of this transmission or its contents is  
prohibited. Furthermore, you are kindly requested to send us back the  
original message to the sender’s address and delete the message from  
your system immediately.
Internet communications are not secure and therefore AUTH does not  
accept legal responsibility for the contents of this message and for  
any damage whatsoever that is caused by viruses being passed.



Thank You,
Aristotle University of Thessaloniki


Δρ. Νίκος Λαμπρινός
Καθηγητής της Διδασκαλίας της Γεωγραφίας
Τμήμα Δημοτικής Εκπαίδευσης
Α.Π.Θ. 54124 Θεσσαλονίκη
Τηλ.: 2310 991201 / 991230
Email: labri...@eled.auth.gr
Web Page: http://users.auth.gr/labrinos/
  http://www.digital-earth.edu.gr/
  https://www.auth.gr/univUnits


Dr. Nikos Lambrinos
Professor of Geography Teaching
President of the Hellenic digital earth Centre of Excellence
Faculty of Education
School of Primary Education
Dept. of Science and New Technologies
Aristotle University of Thessaloniki
GR-54124 Thessaloniki, Greece
Tel: +30 2310 991201
Email: labri...@eled.auth.gr
Web Page: http://users.auth.gr/labrinos/
  http://www.digital-earth.edu.gr/
  https://www.auth.gr/en/univUnits

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