Hello, recently I have been read some documents where it is mentioned the posibility to obtain an estimated value of the intercept factor for parabolic trough solar collectors using the free Software SolarTrace, nevertheless I have doubts about whether the procedure performed is correct. 

Due the intercept factor is an indicator how much radiation incident on the reflector is intercepted by the receiver, I realize a division between the amount of rays thar hit receiver and the amount of rays that hit the reflector. But really I dont kwon if this method is correct. 

I will be very thakful if somebody with experience in this process could help me indicating if this is correct and if it no, explain me the appropiate way,

Thak you.

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