To keep my publication list up to date, I use a bibtex file and python to produce markdown and pandoc to further convert it to pdf. Here I show and try to explain the python script, how I do it. The converted pdf can, with some fine tuning, be included in applications.
[Read More]Fahrrad-Touren und Lauf-Runden um Mainz
über alle Brücken (?) und durch Rheinhessen

Um in Corona-Homeoffice-Zeiten nicht komplett einzurosten und mal ein bisschen Abwechslung zu haben, habe ich neben den zwei üblichen Jogging-Runden (7 und 11km) am Rhein in Mainz noch weitere Strecken mit dem Rad abgefahren. Dabei kam mir, das ich doch nun alle erreichbaren Brücken über Rhein und Main abgefahren/-laufen haben müsste. Oder fehlt eine?
[Read More]Focus stack of a linden tree seed
by using multiple images

My Panasonic/Lumix DMC-GX80 contains a build-in function “Post-Focus”, where the camera takes several pictures with varying focus (Example image). Lately I was a bit disappointed by the results and I looked up the internet for alternatives. On Focus Stacking Macro Photos by Pat David I found a pretty easy and description. You need your pictures with varying focus (here shown 3 out of 30 I took). Ideally take them with a tripod and remote control.
[Read More]On the uselessness of privacy zones in Strava, Garmin & Co

… as long as you use a single circle around the exact address to hide.
[Read More]Triangle Perimeter
Here is the mathematical way, how to calculate the center of three points (which define a circle).
[Read More]Broken axis with ggplot2

For visualizing my data I use R and the library ggplot2. And just lately I made some sensitivity simulations with out dynamic global vegetation model (DGVM) LPJ-GUESS. While summarizing the data per ecosystem and having a first look at the data I realized, that one ecosystem has up to 10 times higher values than all the others. That made me searching for “broken axis” and I didn’t find a satisfying solution, so I had to create my own.
[Read More]German Weather Service (DWD) Stations

Since summer 2017 the German weather service (Deutscher Wetterdienst, DWD) made it’s station data (due to a modified law) publicly available. Here is a simple script how to visualize the stations in Germany.
[Read More]