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AutoCAD+AccuRender Tutorial :: www.accustudio.com. ::. Rev10.3.00. as shown in the example below-right. This causes the bottom surface to place a grid line …

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AutoCAD+AccuRender Tutorial :: www.accustudio.com :: Rev10.3.00
section twelve.a Adjusting Exposure
An important thing to keep in mind is that light intensity can vary significantly within a model. Just like
in real-life, if daylight is coming through a window and you look toward it, your eyes compensate for it
and adjust. If there are lights on within the room, they can become add less to the overall room
brightness if the light coming through the window is too bright. This complex, sometimes subtle, change
is taken into account by adjusting the Exposure like an automatic camera. These adjustments take into
account over- and under-exposure due to contrasting light intensities.
Room with daylight and interior
lights on, with exposure
brightness adjusted down.
Same room with daylight and
interior lights on, but the
exposure brightness is increased.
These two images have the same lighting intensities in the model, but the sunlight coming into the room
can be seen hitting the floor crisply only in the first rendering. This is because of the exposure
adjustment, which compensates for the brighter spots by “stopping down” the camera lens.
Another important thing some designers forget is that…