Knowledge Base

Sun Exposure

What is Sun-Hour Exposure Analysis?

Sun-hour exposure analysis is a critical assessment tool used to measure the amount of direct sunlight and help optimize the design to ensure natural light and the comfort and well-being of occupants. This tool is essential for proposed developments, open spaces, landscapes, and gardening.

Set SketchUp for Sun Exposure Analysis

1. Set up the desired camera position (Shadow Colour supports any camera position).

Shadow Colour SketchUp 1.7 Groups

2. Set the geo-location of the project
Windows
Model Info Geo-Location

Shadow Colour 1.5 SK Geo Location

We recommend saving the view as a new scene: 

  • View  Animation  Add Scene 
Shadow Colour 1.5 SK Scene
Optional: Add a scale bar to the model

You may want to add a scale bar to your study.

Once you add your scale bar, make sure to disable casting and receiving shadows:
‘Entity Info’ ‘Toggles’ disable ‘Receive Shadows’ and ‘Cast Shadows’. 

Shadow Colour 1.5 SK Scale bar

Conduct Sun Exposure Analysis

1. Click on the ‘Sun Exposure’ tab to switch to the sun exposure analysis mode.

Shadow Colour 2.0 Sun Analysis Mode SketchUp

2. Select a date for the analysis.

Shadow Colour 2.0 Sun Analysis Select Date SketchUp

3. Select the time range.

Shadow Colour 2.0 Sun Analysis Select Time SketchUp

4. Select time intervals. – 2 Hours, Hour, 30 Minutes, 15 Minutes.

Shadow Colour 2.0 Sun Analysis Select Interval SketchUp

5. On the time-increments bar you may:

  • Adjust the time increments by dragging the hour marks below the bar.
Shadow Colour 2.0 Sun Analysis Adjust1 SketchUp
  • Add increments by clicking below the bar.
Shadow Colour 2.0 Sun Analysis Adjust2 SketchUp
  • Remove increments by clicking the garbage bin icon.
Shadow Colour 2.0 Sun Analysis Adjust3 SketchUp
  • Assign colours for time increments by clicking the coloured section.
Shadow Colour 2.0 Sun Exposure Adjust Colours

5. Click ‘Preview Image’ to get a preview of how your sun exposure analysis will look like.

Shadow Colour 2.0 Sun Exposure Preview Image

Short walkthrough video for sun-exposure:

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