Re: [Qgis-user] layer classification

Hi Michaela, if you select one of the categorized items in the layertree you can toggle the visibility with the context menu (right mouse) and choose "toogle items" or  "Hide all items" best regards Stefan Am 02.07.2024 um 08:58 schrieb Huesmann, Michaela via QGIS-User: Hello QGIS users,

Re: [Qgis-user] Labeling: Allow HTML Formatting, text-size and map units

Hi Thomas, you can try to involve the map_scale variable into a dynamic size of the HTML Label, something like: with_variable('fs', 25000/@map_scale,   format(      '%2', @fs , title( "Name" ))) Best regards Stefan Am 15.05.2024 um 09:13 schrieb Thomas Schüttenberg via QGIS-User:

Re: [Qgis-user] WFS: Change symbolization (outline color/thickness and fill) using Python in QGIS.

Hi mikeE here is a small example based on your code: uri = 'https://www.geodatenportal.sachsen-anhalt.de/wss/service/ST_LVermGeo_ALKIS_WFS_OpenData/guest?=WFS=1332412,6708967,1333423,6709355=1=auto=ave:GebaeudeBauwerk=EPSG:25832=false=true' lyr14 = QgsVectorLayer(uri, "LSA: ALKIS Gebäude

Re: [Qgis-user] Intermediate save of the QGIS-project

Hi Sylvia, there is an autosaver Plugin available: https://github.com/enricofer/autoSaver Best regards Stefan Am 27.02.2024 um 10:45 schrieb Preuß, Sylvia via QGIS-User: Hello, is there a setting to save *.qgz / *.qgs e.g. automatic every 20 minutes? I don’t mean the data but the

Re: [Qgis-user] Identifying / Digitising small surface features automatically

Hi, yes that is possible to automate this process. The main idea is to use an blur-filter on your DSM - a normalized 2D gauss kernel array for convolutions - where the size of the kernel determines the wide of the features that will be extracted. The second step is to build the difference

Re: [Qgis-user] Visualize time data at a certain point in time

Hi Marco,  in that case I would choose "Separate Fields for Start and End Date/Time" in the Drop down box at the Top and then use your valid-from-attribute and a valid-to-attributefields... Best regards Stefan Am 15.01.2024 um 10:21 schrieb Marco Hugentobler via QGIS-User: Hi all, I have

Re: [Qgis-user] Oracle DB connection in QGIS

Hi Michaela, did you check theese options? * "Use estimated table metadata" * "Only look for user tables" best regards Stefan Stefan Giese Projektleiter/Consultant ** Where2B Konferenz 2023 14. Dezember 2023 in Bonn und Online https://where2b-conference.com/

Re: [Qgis-user] Specific pages to export from Map Atlas

Hi, you can use the page properties of your layout -just right click into your layout and select "page properties". There is a checkbox "Exclude pages from export" which can be overided by an expression like: / / /@atlas_featureid not in (8,9,10,11,12)/ Best regards Stefan/ / Am

Re: [Qgis-user] No visualizo archivos laz en QGIS

mira aqui: Am 30.06.2023 um 10:28 schrieb Rafa García via QGIS-User: Buenos días, Estoy utilizando QGIS en versión 3.28.8 Firenze en mi sistema Windows 10 de 64 bits He cargado archivos .laz y no veo los puntos en el panel, solo veo una cuadrícula de trazos roja. ¿Necesito instalar

Re: [Qgis-user] Qgis atlas print composer : aggregate (bigger overlap)

Hi, you can use overlay functions instead, there you can sort the size of intersection and take the biggest one: /overlay_intersects(layer:='//PARCEL_LAYER//', expression:="parcel_id", sort_by_intersection_size:='des')[0]/ hope this helps Stefan Am 12.06.2023 um 14:04 schrieb celati

Re: [Qgis-user] To show road reference numbers like Google with background svg syymol.

Hi Paul, did you check this nice Blog article from Anita: https://anitagraser.com/2011/12/23/google-road-symbols-for-qgis/ best Stefan Am 13.04.2023 um 09:03 schrieb Paul N via QGIS-User: Hi, I want to show road reference numbers as looks in Open street map or Google map in QGIS. NH23,

Re: [Qgis-user] hover over mouse to read raster value not showing in 3.30.0

Hi Paul, you have to disable the "Auto open form on single feature results" option before Best regards Stefan Am 20.03.2023 um 12:10 schrieb Paul N via QGIS-User: I am trying to read raster values by hover over mouse to read raster value, but option not visible in identifying tool

Re: [Qgis-user] QGIS on tablets

in addition what Phil wrotes: Mergin Maps is also available for windows: https://github.com/MerginMaps/input/releases/tag/2.0.1 Best regards Stefan Am 20.02.2023 um 09:23 schrieb Phil Wyatt via QGIS-User: Hi folks, I would encourage you to also check out Mergin Maps that will work on IOS

Re: [Qgis-user] [Modeller] How to calculate area in the graphical modeler of QGIS

Hi, may be it will be easier to use thhis algorithm: "Add geometry attributes" -> https://docs.qgis.org/3.10/en/docs/user_manual/processing_algs/qgis/vectorgeometry.html?highlight=exportaddgeometrycolumns#add-geometry-attributes best regards Stefan Am 30.01.2023 um 14:13 schrieb Igor

Re: [Qgis-user] transferring data from ArcGis to QGIS

Hi Janet, beside what Alexandre pointed out, there is an other free Open source tool to convert ArcMap mxd files into QGIS projects (MapQonverter, https://github.com/WhereGroup/mapqonverter). The difference to SLYR is, that MapQonverter must be used within ArcMap as an ArcMap Python toolbox.

Re: [Qgis-user] QGIS & GPS

Hi Brent, we solved this for one of our customers with the following steps: * Installing U-Center on the windows computer: https://www.u-blox.com/en/product/u-center * in U-Center -> View -> Configuration view → NMEA (NMEA Protocol) * change "Main Talker ID" to "1 – GP(GPS)" * click on

Re: [Qgis-user] edit QGIS3.ini with startup.py

Hi Thomas, you can clear the section before adding the new values with: /QgsSettings().remove('svg/searchPathsForSVG')/ and then add your values Best regards Stefan Mit freundlichen Grüßen Stefan Giese Projektleiter/Consultant - Aufwind durch

Re: [Qgis-user] Determine version of QGIS Server

see https://github.com/3liz/lizmap-web-client/issues/1346#issuecomment-547895968 Am 04.08.2022 um 09:32 schrieb Inka Tauber via Qgis-user: Hello, how can the version of QGIS Server (qgis_mapserv.fcgi) be determined? Thanks, Inka Allgemeine Datenschutzinformation: Der telefonische,

Re: [Qgis-user] Counting of bridges on road.

Hi Paul, try: count("bridge", filter:="bridge"='T' AND is_selected()) best regards Stefan Am 04.08.2022 um 07:01 schrieb Paul N via Qgis-user: Hi, I have road layer and segment the road where bridge exist by a field 'bridge' =T in road layer. I am able to count number of bridges using

Re: [Qgis-user] QGIS WINDOWS 11

Hi Samuel, I have installed on my Win11 Notebook 3.10, 3.16, 3.18 and 3.22, all without any problems. And I would agree to what Hannes pointed out: update to a newer QGIS version, it's worth to do it, so many cool features are waiting for you and your students... Best regards Stefan Am

Re: [Qgis-user] Fwd: Creating a polygon around vertices

search for concavehull or see this one https://youtu.be/24H_MyXohL4 Am 12.04.2022 um 14:36 schrieb Yamen Tekaji via Qgis-user: Dears, I have a layer containing 700K points. please check attachment. I want to create a polygon that passes through the outer points only. an outline polygon.

Re: [Qgis-user] Atlas Map book - Display only one feature on each page.

This is a bit tricky but can be done with rule based renderer: In my example I have an attibute "name" and with the following rule: /name=attributes(@atlas_feature)['name']/ you can set the visible features to the atlas feature and then only the atlas feature will be displayed in your atlas

Re: [Qgis-user] Windows 11

yes, QGIS 3.18, 3.22 and 3.24 without any problems so far best regards stefan Am 04.03.2022 um 06:03 schrieb Grant Boxer via Qgis-user: I have a client who is running QGIS under Windows 11 and is having all sorts of stability problems and has gone back to version 3.4. Has anyone used QGIS