Import Error in Postgis: AddGeometryColumn does not exist
Hiking & ActivitiesUntangling the PostGIS “AddGeometryColumn Does Not Exist” Headache So, you’re diving into the world of spatial databases with PostGIS, and BAM! You get hit with the dreaded “function addgeometrycolumn… does not exist” error. Trust me, we’ve all been there. It’s like hitting a brick wall when you’re just trying to get your map data up
How do we use the agr argument in st_sf()?
Hiking & ActivitiesDecoding the Mystery of agr in st_sf() So, you’re diving into the world of spatial data in R with the sf package, huh? Awesome! You’ve probably stumbled upon the st_sf() function, the magic wand that turns regular data into spatial data. But then you see this agr thing lurking in the arguments, and you’re like,
Running a QGIS processing model using qgis_process
Hiking & ActivitiesUnleash QGIS Power from Your Command Line: A Human’s Guide to qgis_process Okay, so you’re a QGIS whiz, right? You love the GUI, the plugins, the whole nine yards. But have you ever felt chained to your desktop when you just want to automate some spatial magic? That’s where qgis_process comes in – think of
QGIS 2.0 Table Join creates unwanted prefix in field names
Hiking & ActivitiesQGIS Table Joins: Ditching That Annoying Prefix Ever tried merging data in QGIS, only to find your attribute table looking like a jumbled mess of prefixed field names? Yeah, it’s a common headache. You’re trying to bring together information from different sources, which is super useful, but suddenly all your field names have this extra
How to extract exact values from a raster file (TIFF) using a shapefile, using xarray to open the raster
Hiking & ActivitiesDiving into Raster Data: How to Snag Exact Values with Shapefiles and Xarray Ever needed to pull specific data points from a raster image based on geographical boundaries? It’s a common task in fields like environmental science, city planning, and even agriculture. Think of it as pinpointing information within a digital map using custom-drawn shapes.
QGIS says “osgeo [python-gdal]” isn’t installed on Mac?
Hiking & ActivitiesQGIS on macOS: That Pesky “osgeo python-gdal isn’t installed” Error – Solved! So, you’re a geospatial guru (or aspiring one!) rocking QGIS on your Mac, and BAM! You get hit with that dreaded error: “osgeo python-gdal isn’t installed.” Ugh. I’ve been there, and let me tell you, it’s frustrating. It basically means QGIS can’t “talk”