Ports of python geospatial analysis tools
📅 July 14 2020
There are lots of python packages for geospatial analysis. This post lists some famous ones. 🔗 Read more...
How to run an AppImage on WSL
📅 February 25 2020
Generally, an AppImage will work well on Linux. So how about a Windows Subsystem for Linux (WSL)? Not sure. Here is a way to solve my error. 🔗 Read more...
Vie of Delft: 2019 - 2020
📅 January 15 2021
I have been in the Netherlands for two years. I will leave here soon and return to my motherland. Something unforgettable happened in this period, such as the birth of Ann, the pandemic of COVID-19, and friendly people I met. I’d like to share some photos to document my journey in Delfland. 🔗 Read more...
Add text or annotation into the axes in matplotlib
📅 September 23 2020
How to display the value label in the plot. Try text or annotate function in matplotlib. 🔗 Read more...
Setup font size and other groups in matplotlib
📅 September 18 2020
How to control the font size in your graph. By changing ‘rcParams’ globally. It also works for other rc groups. 🔗 Read more...
First release of voronoi-diagram-for-polygons
📅 July 26 2020
Voronoi diagram for polygons is a tool to create a Voronoi diagram also known as Thiessen polygons for polygons. It’s based on Shapely and GeoPandas. There are lots of tools to create a Voronoi diagram for points, for example Create Thiessen Polygons (Analysis) in ArcGIS Pro or ArcGIS Desktop, Voronoi Polygons in QGIS, or voronoi_diagram in Shapely. All of them are really cool. How about a Voronoi diagram for polygons? That’s what this tool does. 🔗 Read more...
Differences between dissolve and union in geoproceesing
📅 July 20 2020
When geometris intersect, how to union them? And if they aren’t intersected, how would these tools work? 🔗 Read more...
Load context from html
📅 July 10 2020
How to load/embed a page from a html file in Jekyll post. This is the way. 🔗 Read more...