QGIS – some edit feature options disabled in vector layer

QGIS: Why Can’t I Edit My Vector Layer?! A Troubleshooting Guide Okay, so you’re in QGIS, ready to whip up some map magic, but you’ve hit a snag. Those edit feature options? Greyed out. Maddening, right? Don’t worry, we’ve all been there. QGIS is a powerhouse, but sometimes it throws curveballs. This guide will walk

How fast GPS position estimates fluctuate?

How Much Does Your GPS Location Really Jump Around? GPS. We all use it, right? From finding the nearest coffee shop to navigating rush-hour traffic, it’s become that silent, ever-present guide in our lives. But have you ever stopped to wonder just how stable that little blue dot on your phone screen really is? Does

Find lines entering a polygon with QGIS

Finding Lines Entering a Polygon with QGIS: A More Human Approach QGIS, that trusty open-source Geographic Information System, is a real workhorse when it comes to spatial data. And let’s face it, sometimes you need to know which lines are actually entering a polygon. Think of it like this: you might want to see which

Extract data from a WMS with database

Getting Data Out of a WMS and Into Your Database: A Human’s Guide Okay, so you’ve got a Web Map Service (WMS) – think of it as a way to grab a picture of a map over the internet. It’s like asking a GIS server to send you a screenshot of its map database. But

Check Geometry – Bad Envelope

Check Geometry – Bad Envelope: A Deep Dive (Human Edition) Alright, let’s talk about something that might sound a bit dry – “bad envelopes” in geometry. But trust me, if you’re dealing with engineering, manufacturing, or even maps, this is something you’ll want to wrap your head around. Basically, it’s about making sure your digital

Small sample size for geographically weighted regression; limitations

Geographically Weighted Regression: When Less Data Means More Problems Okay, so you’re diving into Geographically Weighted Regression (GWR). Smart move! It’s a seriously cool technique for spotting how relationships between things change across a map. Forget assuming one size fits all – GWR lets you build a separate little regression model for each location, giving

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