FIX: explicitely cast ray indices to int in cfradial1 reader

[kmuehlbauer]

No description provided.

[codecov]

Codecov Report

Merging #579 (872c8c1) into main (4911a49) will decrease coverage by 0.87%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #579      +/-   ##
==========================================
- Coverage   88.55%   87.67%   -0.88%     
==========================================
  Files          38       38              
  Lines        9957     9957              
==========================================
- Hits         8817     8730      -87     
- Misses       1140     1227      +87     

Flag	Coverage Δ
notebooktests	0.00% <0.00%> (ø)
unittests	87.67% <100.00%> (-0.88%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
wradlib/io/xarray.py	86.49% <100.00%> (ø)
wradlib/io/dem.py	13.25% <0.00%> (-73.50%)	⬇️
wradlib/georef/raster.py	89.15% <0.00%> (-8.50%)	⬇️
wradlib/vis.py	92.92% <0.00%> (-1.71%)	⬇️
wradlib/ipol.py	90.32% <0.00%> (-0.19%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4911a49...872c8c1. Read the comment docs.