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    Weather heatmaps

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    March 18th, 2011



     

    This post is an adaptation of Ted Ngai’s climatic visualization techniques with Matlab which can be seen here:

    http://www.tedngai.net/experiments/climate-visualization-with-matlab.html

     

    The only problem is that Ted’s scripts use Matlab, which is a commercial software and quite expensive. On the other hand, Microsoft Excel can be found on almost every machine!

    I have adapted his script which uses Matlab to generate the heatmaps into Excel. Download the Excel file here:

    Heatmap_v1

     

    It isn’t that hard to work out, but even then I will give a small tutorial:

    1. Click on the IMPORT .EPW button and select an EPW file. This will import the weather data into Excel automatically.
    2. View the worksheets Ta, RH, Bn, Dh for the automatically generated heatmaps.

    Quite simple!

    Here are some screenshots for the Riyadh EPW file:

    Ta: Dry bulb temperature

     

    RH: Relative humidity

     

    Bn: Direct beam radiation

     

    Dh: Diffused horizontal radiation

    If you print these as a PDF, they can be used Illustrator or other vector-based imaging programs.



    Tags: , ,
    This entry was posted on Friday, March 18th, 2011 at 2:44 PM.
    Category: Tools, Tutorials.

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