At the begining I must point our that I am new to Rhino
I want to analyze in Grasshopper a surface which is a real hill slope. I created 3d model of a surface (via UAV survey) and imported it into Rhino and further - Grasshopper. This however was not possible.
Then I made a surface based on contours generated in QGIS as a dxf and thied to make at least simple sun path visualization. Without proper results. The same situation was observed while trying to perform radiation analysis - values of the kWh/m2 was totally wrong.
When I made a simple geometry (boxes and cilinders) everything worked fine therefore I think that original geometry is a problem.
Can somebody take a look at the attached file and tell what might be a reason for that and how to fix it? How to prepare files for future analyses to avoid this problem?
Thanks in advance
plot.3dm (277.2 KB)