Re: [Qgis-user] Import Kmz without losing the symbology

2021-07-13 Thread Stefan Giese (WhereGroup) 

Hi,

depends on the QGIS Version. QGIS 3.20 can render embedded styles from 
kml/kmz 
(https://www.qgis.org/en/site/forusers/visualchangelog320/index.html#feature-new-embedded-styling-renderer-with-ogr-feature-styles-support).


regards

Stefan

Am 14.07.2021 um 04:52 schrieb krishna Ayyala:

Hello,
I have a kmz. The Kmz has circles with different colors in it. When I 
add the kmz to QGIS map, I am getting a plain rectangle. How to add 
this kmz to the map by preserving all the symbology and the colors.


Regards

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[Qgis-user] Import Kmz without losing the symbology

2021-07-13 Thread krishna Ayyala 
Hello,
I have a kmz. The Kmz has circles with different colors in it. When I add
the kmz to QGIS map, I am getting a plain rectangle. How to add this kmz to
the map by preserving all the symbology and the colors.

Regards
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Re: [Qgis-user] R: QGIS Server, Lizmap / OpenLayer, QGIS2Web

2021-07-13 Thread Etienne Trimaille 
> LizMap (and others like QGIS Cloud, G3W-Suite, etc.) is the easy way as
you don't have to care about hosting and web viewers. But you should
have a look at the demos first to be sure that it fits for your needs,
also it's quite flexible in configuration.

Sorry, I'm just joining late.

Lizmap is a opensource solution that you can install on your own server.
So you need to care about hosting, upgrades etc.
The source code is on GitHub : https://github.com/3liz/lizmap-web-client/

Same for QGIS Cloud which is running QGIS Web Client, also available on
Github.
https://github.com/qgis/qwc2

Same for G3W-Suite : https://github.com/g3w-suite

But indeed, each of these products have also a paid hosting plan provided
by a private company if you don't want to care about hosting.


Le mer. 30 juin 2021 à 17:12, Gerald Kogler  a écrit :

> On 30/6/21 16:42, Riccardo D'Alvito wrote:
> > Thank you for your reply, it really helped me to understand some of the
> > steps but on the other hand, it triggered more questions.
> >
> >  1. So QGIS2Web doesn't need QGIS Server for online map publishing? Just
> > take the files that are generated by exporting the project (into
> > QGIS), upload them to any server and they are visible?
>
> You are right, just take the generated files and upload them. The server
> only has to serve them, everything else happens client side in the browser.
>
> >  2. Does QGIS Server contain already the QGIS software libraries or does
> > it use map viewers such as OpenLayers? For the visualization of a
> > map using QGIS Server, then, one needs a map viewer like OpenLayers
> > or Leaflet in which to insert the various scripts?
>
> QGIS Server offers OGC services like WMS and WFS to serve your tiles
> through HTTP but it doesn't include a map viewer, you have to code your
> own one.
>
> >  3. Is LizMap then an easier way to not go through map viewer like
> > OpenLayers?
>
> LizMap (and others like QGIS Cloud, G3W-Suite, etc.) is the easy way as
> you don't have to care about hosting and web viewers. But you should
> have a look at the demos first to be sure that it fits for your needs,
> also it's quite flexible in configuration.
>
> So probably, if you need a really personalized viewer with custom
> functionality, you'll have to code your own map viewer. If you need
> standard functionality you should be fine with LizMap. And if qgis2web
> offers enough functionality, just go with it.
>
>
> >
> >
> > Thank you very much for your patience.
> >
> > Riccardo
> >
> > 
> > *Da:* Qgis-user  per conto di Gerald
> > Kogler 
> > *Inviato:* mercoledì 30 giugno 2021 16:02
> > *A:* qgis-user@lists.osgeo.org 
> > *Oggetto:* Re: [Qgis-user] QGIS Server, Lizmap / OpenLayer, QGIS2Web
> >
> > Hi,
> >
> > qgis2web exports a static version of your QGIS project to web using
> > OpenLayers or Leaflet as webmap technologies. It gives you some options
> > on export, furthermore you could take the exported code and customize it
> > furthermore. It produces pure HTML+JS+CSS so you could host it on any
> > server.
> >
> > One limitation is that all your data is exported as GeoJSON, so it's
> > only suitable for limited amount of data as loading of big files could
> > be quite slow on web.
> >
> > QGIS Server needs a more powerful server infrastructure as you have to
> > install QGIS Server package with all it's dependencies. It has the big
> > advantage that it serves QGIS projects with all it's symbology exactly
> > as they are shown on desktop. But you have to code your own web viewer,
> > for example using OpenLayers.
> >
> > LizMap uses QGIS Server but offers you the hosting so you don't have to
> > care about server setup and maintenance and the web map viewer based on
> > OpenLayers.
> >
> > Hope that helps
> > Gerald
> >
> >
> >
> > On 30/6/21 15:10, Riccardo D'Alvito wrote:
> >> Morning.
> >>
> >> I would like to get information on the differences that there are
> >> between QGIS Server and LizMap and between OpenLayers and QGIS2Web. I
> >> can't quite figure out where the operation of one ends and the operation
> >> of the other begins.
> >> I know I'm getting a little confused so I need some keys to enlighten
> me.
> >>
> >> Thank you.
> >>
> >> ___
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[Qgis-user] Fix table unique

2021-07-13 Thread Yamen Tekaji 
Dears,

I connected QGIS to Oracle DB which contains tables with GEOMETRY and
spatial data.

When trying to add some tables to the layer window, I saw this error
message:

2021-07-13T16:48:15 WARNINGPrimary key field 'INSERT_DATE' for view
not unique.


This INSERT_DATE is not my primary Key column. I have a column called ID
which is the primary key. How can I tell QGIS which columns are the primary
keys in the tables I want to add to layers?


Please advise.


Regards,

Yamen
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Re: [Qgis-user] points to lines - direction and lenghts attribute table

2021-07-13 Thread C Hamilton 
If you already have a point geometry with a length and direction then I
would use the ShapeTools plugin
and would run "Vector->Shape Tools->Create shapes->Create line of bearing."
You can select your input layer and then select the attribute that contains
the length and the attribute that contains the direction.

If you need to create a point layer from coordinates from the attribute
table, then I would first use the Lat Lon Tools
 plugin and run
"Plugins->Lat Lon Tools->Conversions->Fields to point layer" and then use
the ShapeTools plugin.

Best wishes,

Calvin

On Tue, Jul 13, 2021 at 8:40 AM Azzurra Lentini 
wrote:

> Hi  to all, can you suggest to me how to generate lines from points
> (centroids) giving to these lines certains lengths and directions from the
> attribute table?
>
> Thanks Azzurra
>
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[Qgis-user] points to lines - direction and lenghts attribute table

2021-07-13 Thread Azzurra Lentini 
Hi  to all, can you suggest to me how to generate lines from points
(centroids) giving to these lines certains lengths and directions from the
attribute table?

Thanks Azzurra

-- 
Adjunct Professor University "Roma Tre"
Gis Applied for Environmental studies
Risk modelling & Hydrogeology
Consultant DFID-UK, United Nations, EU projects
AZZURRA LENTINI
++
Italy Mobile Tel.: **(39) 338 24 40 676
++
SKYPE azzurrahydro
++

*azzurralent...@gmail.com *

*azzurra.lent...@uniroma3.it  *
++
*Par respect pour l'environnement,*

*n'imprimez ce mail qu'en cas d'absolue nécessité*
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