Archive site for Autodesk Ecotect Analysis educational resources, notes and tutorials



Ecotect Tutorial : Display Sun Path

Synopsis

This tutorial describes how to display and manipulate daily and annual sun paths in an Ecotect model.

Duration

You will need about 5 minutes to complete this tutorial.

Training and Accreditation

Successfully completing this tutorial fulfills one of the practical skills required for completing Level 2 of the Shadows and Reflections training module.

Resources Required

To complete this tutorial, open the 'ChurchHouse.eco file located in the the Examples folder of your Ecotect installation.

Tutorial

  1. Once you have opened the example file, switch to the Visualise layout page to see your Ecotect model in all its OpenGL glory.
    View the model from the Visualise page.
    View the model from the Visualise page.
  2. Go to the Shadow Settings control panel, and check the Daily Sun Path and Annual Sun Path checkboxes. Click the Display Shadows button, and the two sun path diagrams and shadows will be displayed in the main window. The sun path diagram is a 3D representation of a polar sun path diagram, unique to Ecotect.
    Turn on shadows and the sun path diagram.
    Turn on shadows and the sun path diagram.
  3. To change the time of day, click and drag the yellow sun on the sun path diagram, and note how the shadows adjust accordingly, in 15 minute increments. Alternatively, you can type exact values into the Time of day field in the main toolbar. To adjust the date, hold down the Shift and then drag the yellow sun, and the sun's position changes by date instead of time. Again, note how the shadows update automatically. By alternately pressing and releasing the Shift key, you can move the sun's position by both time and date.
    Drag the Sun to change the time of day. Hold down SHIFT to change the date.
    Drag the Sun to change the time of day. Hold down SHIFT to change the date.
  4. To obtain further information about the sun's position, go to the Calculate»Sun Path Diagram menu - this displays the more conventional 2D polar sun path diagram. The position of the sun in this diagram corresponds with that in the model, and changing either with cause the other to automatically update. In this 2D diagram, you can access information such as horizontal and vertical sun angles.
    Use the 2D sun path diagram to obtain further information about the Sun's position.
    Use the 2D sun path diagram to obtain further information about the Sun's position.



Ecotect Tutorial : Display Shadows On Selected Objects
Ecotect Tutorial : Displaying Shadows

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