Re: [Qgis-user] Lookgin for two shape editting tools

2021-05-12 Thread Nicolas Cadieux 
See below 

Nicolas Cadieux
https://gitlab.com/njacadieux

> Le 12 mai 2021 à 14:38, Camilo Aristizabal  a 
> écrit :
> 
> 
> Dear all
> 
> I'd like to do the next set of edition tasks:
> 
> 1) Add XY coordinates at both the start and the end of lines in a shapefile 
> (avoiding to create or extract a second point-shape of specific vertices).

You can extract specific vertices and then use the field calculator to get the 
coordinates 

https://docs.qgis.org/3.16/en/docs/user_manual/processing_algs/qgis/vectorgeometry.html#extract-specific-vertices

> 2) Extract the envelope or to poligonize just the border of a cloud of 
> points(shapefile)... Similar to such with which do it from a raster in the 
> GDAL Raster Conversion tool.

This can be done with a concave hull.  A better alternative are the boundary 
tools in Lastools.

> 3) Create 'string' or 'text' fields with much more than 4000 characters of 
> width inside the shapes, not only 255.

I you use a file format like geopackage, you will not be limited to 255 like 
the shapefiles.
> 
> Could you, guys please, help me to find the right paths?
> 
> Thanks!
> 
> Camilo Aristizabal
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Re: [Qgis-user] Shapefile and GeoPackage

2021-05-12 Thread Nicolas Cadieux 
Hi,

Here are the geometry types for a geopackage 
https://www.geopackage.org/spec/#geometry_types

And you will find the geometry types for shapefiles here.

https://www.esri.com/content/dam/esrisites/sitecore-archive/Files/Pdfs/library/whitepapers/pdfs/shapefile.pdf

For lines or multiline... it’s the same for both.  Limitations will be in the 
files size field names or field type that are more flexible in geopackage.  But 
a line is a line, a polygon is a polygon... multiline and multipolygons the 
same. To my knowledge there is no difference. Maybe someone else will have a 
better information.


Nicolas Cadieux
https://gitlab.com/njacadieux

> Le 12 mai 2021 à 18:13, Riccardo D'Alvito  a écrit :
> 
> 
> Good evening.
> 
> I would like some help regarding a difference between Shapefile format and 
> GeoPackage format.
> 
> In the creation of a Shapefile, in the choice of the type of geometry you 
> have point, multipoint, line and polygon. In the creation of a GeoPackage in 
> addition to these there are also multiline, multipolygon etc.
> So one can think that the Shapefile format does not support multiline and 
> multipolygon geometries.
> But when, for example, working with a Shapefile of lines geometry, you can 
> add parts to the lines by transforming the geometry from line to multiline.
> 
> So my questions are the following: 
> What is the difference between the multiline of the GeoPackage format (which 
> can be set as geometry already in the creation of the layer itself) and the 
> multiline of the Shapefile format (which derives from the creation of a file 
> with basic geometry of lines)?
> Does the Shapefile format with multiline geometry (or multipolygons) have 
> limitations compared to a GeoPackage with the same geometry?
> 
> Thank you. I hope I was clear.
> A greeting,
> 
> Riccardo
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[Qgis-user] Lookgin for two shape editting tools

2021-05-12 Thread Camilo Aristizabal 
Dear all
I'd like to do the next set of edition tasks:
1) Add XY coordinates at both the start and the end of lines in a shapefile 
(avoiding to create or extract a second point-shape of specific vertices).2) 
Extract the envelope or to poligonize just the border of a cloud of 
points(shapefile)... Similar to such with which do it from a raster in the GDAL 
Raster Conversion tool.3) Create 'string' or 'text' fields with much more than 
4000 characters of width inside the shapes, not only 255.
Could you, guys please, help me to find the right paths?
Thanks!

Camilo Aristizabal

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[Qgis-user] Shapefile and GeoPackage

2021-05-12 Thread Riccardo D'Alvito 
Good evening.

I would like some help regarding a difference between Shapefile format and 
GeoPackage format.

In the creation of a Shapefile, in the choice of the type of geometry you have 
point, multipoint, line and polygon. In the creation of a GeoPackage in 
addition to these there are also multiline, multipolygon etc.
So one can think that the Shapefile format does not support multiline and 
multipolygon geometries.
But when, for example, working with a Shapefile of lines geometry, you can add 
parts to the lines by transforming the geometry from line to multiline.

So my questions are the following:
What is the difference between the multiline of the GeoPackage format (which 
can be set as geometry already in the creation of the layer itself) and the 
multiline of the Shapefile format (which derives from the creation of a file 
with basic geometry of lines)?
Does the Shapefile format with multiline geometry (or multipolygons) have 
limitations compared to a GeoPackage with the same geometry?

Thank you. I hope I was clear.
A greeting,

Riccardo
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[Qgis-user] Reference Map properties in a different layout

2021-05-12 Thread Sebastian Gutwein 
Hi I am trying to create a map layout that uses the size of the map from a
different layout in expressions. I am looking for something similar to
map_get but being able to pull it from another layout. So maybe layout_get?
How I imagine the expression would work:
y_min(map_get(item_variables( *layout_get*('Layout_1',(
'Main_Map')),'map_extent')))
Is there an expression like this somewhere?

I know I can create a project variable for x_min and use that but I would
rather create a master layout that I can adjust and it adjusts the items in
the other child layouts.
I also know I can create an atlas that allows me to have the same size maps
in each atlas section but I need the themes to change not the view.

Thanks
-Sebastian
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Re: [Qgis-user] validatore topologico Qgis3

2021-05-12 Thread Kirk Schmidt 

Hi Elisa:

This may be best answered by the plugin developer.  I am not familiar 
with that plugin but you can use the grass module v.clean or in process 
modeler to fix topological errors.


Kirk Schmidt

On 5/12/2021 12:45 PM, Elisa Franchi wrote:


Buongiorno a tutti,

ho notato che il plugin validatore topologico Qgis3 non rileva 
correttamente gli errori: segnala errori che sulla versione Qgis2 non 
ci sono e non ne segnala altri che in Qgis2 vengono rilevati.


Ci sono impostazioni particolari da fare rispetto alla versione di Qgis2?

Elisa

--

**
*Elisa Franchi*
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Tel: 0184 872105

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[Qgis-user] validatore topologico Qgis3

2021-05-12 Thread Elisa Franchi 

Buongiorno a tutti,

ho notato che il plugin validatore topologico Qgis3 non rileva 
correttamente gli errori: segnala errori che sulla versione Qgis2 non ci 
sono e non ne segnala altri che in Qgis2 vengono rilevati.


Ci sono impostazioni particolari da fare rispetto alla versione di Qgis2?

Elisa

--

**

*Elisa Franchi*

*Direzione Tecnica*

Email: *e.fran...@nemeasistemi.com*
Mobile: +39 377 4314224
Skype: e.franchi1

*NeMea Sistemi Srl*

*www.nemeasistemi.com *

*Sede Legale:*
Via Mazzini 78, 07041, Alghero (SS) - Sardegna
Tel: 079 4801861

*Sede Operativa:*
Via Palazzo 96, 18038, Sanremo (IM) - Liguria
Tel: 0184 872105

P.IVA: 02897110041
PEC: nemea.sistemi@pcert.it
CUF: 66OZKW1

*NOTE LEGALI:* Le informazioni contenute in questo messaggio di posta 
elettronica e relativi allegati sono riservati e confidenziali. Qualora 
Lei non fosse la persona cui il presente messaggio è destinato, La 
invitiamo ad eliminarlo e a darcene gentile e tempestiva comunicazione. 
La diffusione e riproduzione in qualunque modo eseguita è severamente 
vietata ai sensi della normativa in vigore per la tutela della privacy.


*EN*: This mail and/or attachments are confidential and may also be 
legally privileged. If you are not the intended recipient, you are 
hereby notified that any review, dissemination, distribution or copying 
of this e-mail and/or attachments is strictly prohibited. Please notify 
us immediately by e-mail and delete this message and all its attachments.


*Rispetta l'ambiente. Non stampare questa mail se non è necessario.*

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Re: [Qgis-user] Spanish Font

2021-05-12 Thread Guillermo D'Angelo 
Yes. Enconding for Spanish (if UTF-8 fails) is win1252 (sometime refered as 
latin1). 



Guillermo D'Angelo 
Departamento de Geografía 
DESyTC - DINTAD - MIDES 
(+598) 240 0 0302 int. 3151 



De: "Nicolas Cadieux"  
Para: box...@iinet.net.au 
CC: qgis-user@lists.osgeo.org 
Enviados: Miércoles, 12 de Mayo 2021 6:10:06 
Asunto: Re: [Qgis-user] Spanish Font 

Hi, 
You can change the character encoding. 

See [ 
https://docs.qgis.org/3.16/en/docs/user_manual/managing_data_source/opening_data.html#loading-a-layer-from-a-file
 | 
https://docs.qgis.org/3.16/en/docs/user_manual/managing_data_source/opening_data.html#loading-a-layer-from-a-file
 ] 

Nicolas Cadieux 
[ https://gitlab.com/njacadieux | https://gitlab.com/njacadieux ] 



Le 11 mai 2021 à 22:25, box...@iinet.net.au a écrit : 





BQ_BEGIN


BQ_END



I have imported text files with Spanish language and when I bring it into QGIS 
it displays a black diamond with a question mark in place of the tilde symbol. 
Do I need to change the encoding type to get QGIS to recognise non-English 
text? 



Grant Boxer 

Perth, Western Australia 


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[Qgis-user] Transfer rules in QGIS?

2021-05-12 Thread António Pestana 
A few years ago I used Manifold GIS and I become a big, big fan of transfer
rules. Transfer rules come into play when commands such as Dissolve
transfer fields between objects" (
http://www.georeference.org/doc/transfer_rules.htm).

Does QGIS has any functionality similar to "transfer rules"?

Regards

António
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Re: [Qgis-user] Spanish Font

2021-05-12 Thread Nicolas Cadieux 
Hi,
You can change the character encoding.

See 
https://docs.qgis.org/3.16/en/docs/user_manual/managing_data_source/opening_data.html#loading-a-layer-from-a-file

Nicolas Cadieux
https://gitlab.com/njacadieux

> Le 11 mai 2021 à 22:25, box...@iinet.net.au a écrit :
> 
> 
> I have imported text files with Spanish language and when I bring it into 
> QGIS it displays a black diamond with a question mark in place of the tilde 
> symbol. Do I need to change the encoding type to get QGIS to recognise 
> non-English text?
>  
> Grant Boxer
> Perth, Western Australia
>  
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