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Articles by Dror Bogin
Keeping layer styling when making permanent in QGIS
I believe you are confusing two actions. And two general concepts. Layers in a QGIS project are definitions regarding how QGIS should connect to data (from a file, service or database) and style it (in general terms).
Using input file name in expression for file output in QGIS
I'm trying to batch convert a few hundred NetCDF files to CSV. I need the output file to be named based on the name of the input file or even the band name. But all I can get from the 'layer property' is something that resembles part of a 'layer' in a file and that is not unique. Any ideas on how to get the file name? Or even order the files sequentially based on the order loaded into the interface?
Attach functions to QGIS processing algorithms
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Get Other Widgets in ArcGIS Experience Builder setting UI
I am creating a custom widget in ArcGIS experience builder and am trying to get a list of all the widgets currently defined in the setting UI. I tried using the widget state to transfer the list, as well as create it in a similar way to the one used in the Control the Widget State example, but when I use the same code in setting.tsx I get the widgets that are used to create the settings UI sidebar, and not the current page widgets.
Test whether layer exists using expression in QGIS
Is there a way of testing whether a layer (name) exists in QGIS in order to write a conditional expression? My particular problem is that I am trying to rotate a point object (a gate), using a data-defined expression. If the 'road' layer exists (a line layer), I will use the angle of the nearest road segment (using the approach discussed here: Find angle of segment of line geometry nearest to point). If the 'road' layer does not exist, I will use the "symbolrotation" field in the point layer.
Open Source Workflows: Keeping QGIS2Web Maps Up To Date
This post is a sort of fusion between two former posts that I realized can do something pretty useful together, I am going to take the simple storage of point data in Google Sheets that you might have read about in Collaborative Mapping With Leaflet And Google Sheets and the simple editing of your web map styles in Maputnik that I displayed in Open Source Workflows: QGIS2Web and 3D Extrusion Maps where we edited the output of QGIS2Web to create a 3D interactive map.
Geoserver+GDAL+OSGEO4W ECW support
Asked Viewed 260 times I am trying to install the GDAL plugin for Geoserver on machines which have windows 7 and 10. both machines had a previously installed version of OSGeo4W. I followed all the instructions in the official Geoserver guide, but it seems to be outdated as it recommends using gdal versions that work with Microsoft Visual C++ Redistributables which my machines don't have (i have the minimal 2015 while the most recent version in the downloads page is 2010).
error "Accessor#set Assigning an instance of 'esri.layers.MapImageLayer' which is not a subclass of 'esri.Basemap'" while creating map from mapserver
Asked today Viewed 3 times This isn't really a question, just sharing this here for anyone else who might look this up. Using version 4.26 of the esri js api (currently called ArcGIS Maps SDK for JavaScript but that might change) through npm as an ESM module.
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