Fixes
Targeted fixes for the most frustrating Python GIS errors — from a failed install to a batch job that stops at file seven.
Every fix, A–Z
Page 2 — use the page links below, or browse by topic above.
- Average EV Range Comes Out Too Low: Zero Means Not Researched
- Average Flight Delay Comes Out Negative or Tiny: Choosing the Right Delay Measure
- Average Traffic Drops When the Survey Adds Minor Roads
- Batch GIS Job Slows Down and Runs Out of Memory: How to Fix It
- Batch Job Gives Different Results Each Run: How to Fix It
- Batch Output Files Keep Overwriting Each Other: How to Fix It
- Batch Script Stops at the First Bad File: How to Keep It Running
- Bathymetry depths are positive in one file and negative in another
- Bike-Share Trips That Last 25 Hours: Lost Bikes and Capped Durations
- Bike-Share Trips With Negative Durations: The Daylight-Saving Night
- Blocks from Streets Come Out Wrong
- Bridge Rating Averages Come Out Too Low: N Codes Read as Zero
- buffer(0) Does Not Fix My Invalid Geometry: What to Do Instead
- Buildings Missing from OSM
- Cannot Transform Naive Geometries to CRS: How to Fix It in GeoPandas
- Cartogram Distorted Beyond Recognition: Twisted Shapes and Invalid Polygons
- CityJSON coordinates come out tiny or at the origin
- Clouds Show as Cold Spots in LST
- Contours Come Out Jagged or Full of Tiny Rings
- Counting EVs by VIN Goes Wrong: Ten Characters Are Not One Vehicle
- dask-geopandas Uses More Memory or Time Than Plain GeoPandas
- DBSCAN Returns One Giant Cluster or Labels Everything Noise
- Delineated field boundaries merge fields or swallow roads
- Density Depends on the Boundary
- Disaster Counts Too High: FEMA Declaration Rows Are One per County
- dNBR shows burn severity outside the fire perimeter
- Dockless E-Bike Trips Pile Up on a Grid: Rounded Coordinates
- Dot-Density Map Puts Dots in the Wrong Places: Deserts, Borders and Weights
- Drought Monitor Dates Are a Week Off: Map Date, Valid Period and Release Day
- Drought Percentages That Add Up to More Than 100%: Cumulative Categories