TransWikia.com
  1. All Categories
  2. Geographic Information Systems

Geographic Information Systems : Recent Questions and Answers (Page 33)

Find answers to your questions about Geographic Information Systems or help others by answering their Geographic Information Systems questions.

Issue while adding layer as QGIS

I'm having issues adding a layer. I'm very new to the application, so most likely it's just some basic thing I'm doing wrong. I'm trying to add a Layer (...

Asked on 11/01/2021

1 answer

How to choose cell assignment method in GDAL/rasterio rasterize functions?

I have a big (2GB) landcover shapefile I want to convert to a GeoTIFF file. For this purpose, I am using the gdal.Rasterize() function with the following options:rasterize_options...

Asked on 11/01/2021

2 answer

Exporting all Map Series pages to PDF with page name as output file name using ArcPy

I am trying to export all of my current map series pages into multiple PDFs with the Page Name as the file name. So, "PAGENAME.pdf"... Currently, the code runs, but...

Asked on 11/01/2021

0 answer

There are some OpenStreetMap data that doesn't show when I query it with Overpass. Why does this happen?

So I noticed when I wrote this callhttps://api.openstreetmap.org/api/0.6/map?bbox=-118.652199,34.210391,-118.641990,34.214548&page=0&traffic_signI get a lot of data and some of them are nodes with traffic signs like<node id="6786529269" visible="true" version="1" changeset="74327303" timestamp="2019-09-10T19:50:23Z"...

Asked on 11/01/2021

2 answer

How to export a table in a geopackage

I'm trying to export a simple PostGIS table loaded in QGIS to a geopackage file. Here's an example:options = QgsVectorFileWriter.SaveVectorOptions()options.driverName = "GPKG"options.layerName = "_".join(myLayer.name().split(' '))geo_package = 'my_gpkg.gpkg'if not os.path.exists(geo_package):...

Asked on 11/01/2021

1 answer

QGIS: data defined position of bar diagram

I am using QGIS to visualise communal water balances of different years as bar plots (QGIS 3.8). I have a point layer (communal area's centroids) with the balance values as...

Asked on 11/01/2021

1 answer

PyQGIS Temporal Controller current moment

I have a QGIS Project with Temporal Controller, in Python Console. How could I capture the current moment of the simulation? ...

Asked on 11/01/2021

2 answer

How QGIS Python loop through all tables MS SQL Server?

I've got Python code on QGIS 3.12 that adds a MS SQL Server data layer to the map, but I need to add all of them.uri = QgsDataSourceUri()uri.setConnection(r"xx.xxx.xxx.xxxxx", "xxxx",...

Asked on 11/01/2021

2 answer

QGIS 3x - categorized style customization based on a part of the string

I have a problem.I am digitizing the map and I want to distinguish one group of polygons from the other group.The basic difference between them lies in their...

Asked on 11/01/2021

4 answer

Can I copy files using QGIS browser?

I'm trying to figure out how closely the QGIS browser matches ArcCatalog functionality, and I am confused about whether it is supposed to be possible to move copy or move...

Asked on 11/01/2021

1 answer

Ask a Question

Get help from others!

© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP