ShadowDraw

ShadowDraw can be used to PREPARE or CHECK shadow diagrams. It is very simple to use as shown below. The kit comes with more detailed instructions as well as useful tips and pointers. Each kit also comes with CSIRO data for the altitude and azimuth of the sun and 'shadow factor' for critical times of the year.

Getting started
Step 1: Select overlay (equinox, summer or winter)	Step 3: Place target over feature to be measured (eg building corner)
Step 2: Place overlay on plan and orientate to north

Step 4: Select time line (eg 2pm)	Step 6: Repeat as necessary
Step 5: Find where height line of object crosses the time line and mark this point (eg 6m)	Step 7: Join dots

Checking shadow diagrams

When checking shadow diagrams the same procedure applies except it is obviously not necessary to draw the shadow. It is important to ensure that:

		the plan shows north correctly (a common mistake)

		the correct direction of the shadow has been drawn

		the correct length of shadow has been drawn

Further information

The ShadowDraw kit comes with more detailed information, instructions and tips including showing shadows in section view.

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