Posted on December 28, 2022 (Updated on July 21, 2025)
Postgis – wrong ST_Distance with geography points
Hiking & ActivitiesPostGIS: That Pesky ST_Distance and Those Tricky Geography Points PostGIS, bless its heart, is a spatial powerhouse for PostgreSQL. It lets you do all sorts of cool things with geographic data. One of its star players is ST_Distance, which, as you might guess, calculates the distance between two points. But here’s the thing: when you’re
Posted on December 28, 2022 (Updated on July 21, 2025)
Opening a custom model’s geoprocessor window with ArcObjects
Hiking & ActivitiesCracking Open Custom Geoprocessing Tools with ArcObjects: A Human’s Guide So, you’re diving into the world of ArcGIS Desktop customization, huh? Awesome! ArcObjects is where the real magic happens, letting you bend the software to your will. One of the coolest tricks? Popping open a custom model’s geoprocessor window. This lets users tweak your model’s
Posted on December 28, 2022 (Updated on July 21, 2025)
How to create a semi-transparent map collar in QGIS composer?
Hiking & ActivitiesLevel Up Your Maps: Creating a Killer Semi-Transparent Map Collar in QGIS Let’s face it, a map isn’t just about the data; it’s about how you present it. Visual hierarchy is key – you want to guide the viewer’s eye, right? That’s where a well-designed map collar comes in. Think of it as the frame
Posted on December 28, 2022 (Updated on July 21, 2025)
How can I prevent KML files from being downloaded from Google My Maps?
Hiking & ActivitiesSo, You Want to Keep Your Google My Maps Data Safe, Huh? Google My Maps is pretty cool, right? I mean, you can whip up custom maps and share them. But here’s the thing: sometimes, you don’t want everyone grabbing your data. The big worry? People downloading your map as a KML file. Think of
Posted on December 28, 2022 (Updated on July 21, 2025)
Displaying raster image (tiff, img, hdf) using gdal, Tkinter?
Hiking & ActivitiesBringing Raster Images to Life: GDAL, Tkinter, and a Little Python Magic Ever worked with geospatial data? If you have, you know raster images – those grids of data representing everything from satellite imagery to elevation models – are kind of a big deal. Formats like TIFF, IMG, and HDF are everywhere, and being able
Posted on December 28, 2022 (Updated on July 21, 2025)
How do I only use the top layer or feature clicked on a multilayer OpenLayers3 map?
Hiking & ActivitiesTaming Click Events: Grabbing Just the Top Feature on Your OpenLayers 3 Map OpenLayers 3? It’s a seriously cool JavaScript library for whipping up interactive web maps. And if you’re building anything beyond a basic map, you’ll probably run into this: handling clicks to select features. Now, when you’ve got multiple layers stacked on top