Hallo Dear Ladybug community,
for a Project is expressly requested the use of a TRY weather file, that comes from the official German data center (DWD), therefore it has a different extension and data structure from the canonical EPW, STAT, etc, format. I attached a example file.
There is probably no component to make this type of file work with Ladybug, but is there any method to fix the problem? Maybe an automatic converter?
Thanks and greetings
TRY2015_490988084336_Jahr.dat (669.3 KB)
Perhaps super late… but I just made run the TRY weatherfile in Ladybug =)
To convert the TRY.dat file into .Epw File i used this IBK Climate Editor:
https://bauklimatik-dresden.de/climatedata.php?aLa=en
After saving the data as an Epw.file you have to make sure it has a second “Comment line”, like the ladybug-weather-file. (You can use Excel for that). Sadly stat-file or ddy-files are ofc not encluded.
Dear @LE
after “ONLY” 18 months, I have one questions to your response 
First of all thanks for the information.
I tested the Data Editor but I don´t understand how you can generate a working EPW-File, if the DWD don´t contain the Direct Normal Irradiance (Direkte Normalstrahlung) parameters
Dear @LaFleur,
nice to hear from you. I now know a little more about epw files.
But the file contains the direct radiation values. Of course they are zero at night and on that day it was also very cloudy, so diffuse radiation only exists. if you scroll further down you will also find direct radiation. Always remember that this is “TRY” weather
there you can export it as .epw and as I said, you have to add the second comment in line 7. I think this is a bug that I should mention to my professor.
I am also sure that there are better tools, but it works for me.
if you want to dive deeper you can have a look at the file structure: EnergyPlus Weather File (EPW) Format
the header can and should be extended, depending on the simulation, further simulations are added to improve the weather file. For example, the earth temperature, which depends on the building. But that’s also a bit wild for me. Kind regards to Karlsruhe, LE
Hello dear @LE thanks for the response and sorry for the delay.
how stupid, I didn’t realize that the program automatically converts the Direct Horizontal Radiation from the DWD-File in the Direct Normal Radiation.
Is there a way to read, with which formula it converts the DirHorRad in DirNormIrrad and how calculate the solar elevation angle from the Latitude and the hour of time? Because I have some incongruence with my algorithm.
Is it possible to find it somehow? They are not mentioned in the manual.
Thanks for all and best regards
