Shadow building

Budget $100 - $250 USD
Bids 7
Average Bid $147
Status Closed

Need to define a 2-3 formulas which calculate shadow between two models based on

Models azimuth

Models roof slop (the roof isn't horizontal)

Sun azimuth & altitude (I have thoose, no need to calculate)

Space between modles.

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This project was awarded to


I was looking for a math guru and I am glad found hnhuang.... He is an expert, solved my problem (really advanced geometry) in two days. Also, i needed couple of days to check it (had to upload code to my PLC) . He had no problems with that either. I will hire him again, thats for sure.
About the Freelancer
hnhuang Profile Picture

I am a differential geometer. I also enjoy making programs!

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Bids on this Project

  • bryanpiczon Profile Picture


    Gandara,  Philippines

    Engineering/2D/3D Cad -AutoCAD -SketchUp -Revit -Concrete Design -Structural Analysis -Steel Design Office/ Data Entry/Typing/Spreadsheets -MS Word -MS Excel -MS Powerpoint Others -Mathematics -Web Research -Google Maps

  • grigiq Profile Picture


    Iasi,  Romania

    Mathematics C Programming Visual Basic Physics Engineering

  • hnhuang Profile Picture


    albuquerque,  United States

    I am a differential geometer. I also enjoy making programs!

  • dimkastoras Profile Picture


    Thessaloniki,  Greece

    We are the way to your business optimisation....

  • anujgargiitk Profile Picture


    Agra,  India

    I am a mechanical engineer with a dedicated team of inhouse electronics hardware and software engineers. We have published 9 international research papers mostly on mathematical modelling of complex systems and simulating the same using softwares like Matlab, Simulink, EES, C, C++, Java, etc apart from conducting experimental research & development. We have also filed for 5 Indian patents in past 4 years. We specialize in concept design, 3D modeling, hardware design, PCB design, microcontroller (Arduino) programming, PLC & sensor instrumentation of specialized products & machines. We also do various analysis like stress, dynamic analysis, circuit simulations, etc. We also have inhouse prototyping and manufacturing facility including 3D printing i.e. SLA and SLS in 3 different polymers, vacuum casting for a range of polymers and aluminum, CNC milling and turning, etc. PCB printing, hardware assembly, product integration & testing is also available.

  • grigorianato Profile Picture


    Toulouse,  France

    bachelor of science étudiant en ingénierie industrielle too much computer skills and mathematics in particular and science subjects in general

  • sepehrhn Profile Picture


    Stockholm,  Sweden

    I have graduated in applied mathematics and i have a master degree in pure mathematics. Here is my Skype account. sepehr_hn