Page 664 - Chief Architect Reference Manual

Chief Architect X10 Reference Manual

• Select Use in Both to turn the selected light source is positioned correctly. See
light source on in both camera and ray “In 3D Views” on page 1093.
trace views.
6 A preview of the selected object
displays here. The selected light
Note: Many more lights can be included in ray source’s Position in Camera View will
trace views than in rendered views. Some fix- display in the Standard Rendering Technique
tures may have four or five lights for use in if the light source is On. See “Dialog
ray trace views but only one in rendered Preview Panes” on page 42.
views. See “3D Rendering” on page 1087.
The three Attenuated values represent the
• When multiple lights are selected and three coefficients (a, b, and c) in the
they are set to be used in different types expression 1 / (a + b*d+c*d*d), where d is
of views, No Change will be available. the distance from the light source. Increasing
Leave this option selected unless you any of these values results in the light
want the lights to all be used in the same intensity dropping faster (the light does not
types of views. travel as far). Decreasing any value results in
• The On check box’s label is followed by the light intensity dropping slower (the light
the name of a Light Set because each travels farther). Small changes in these
light source’s On status is saved on a per coefficients can have significant impact on
Light Set basis rather than with the light. lighting effects. You may need to experiment
When this dialog is opened in plan view, to fully understand how to use them.
the light’s status in the Default Light Set
will be used. If it is opened in a camera Layer Panel
view, its status in the Light Set that is The LAYER panel is found in the
active that view will be used. See “Light specification dialogs for a variety of objects,
Sets” on page 1094.
including electrical objects. For more
• Casts Shadows controls whether or not information, see “Layer Panel” on page 195.
the light source casts shadows in camera
and ray trace views. See “Shadows” on Materials Panel
page 1088.
The MATERIALS panel is found in the
Shadow calculations can slow rendering specification dialogs for a variety of objects.
speed significantly; however, when ray For more information, see “Materials Panel”
tracing, it is recommended that this box on page 1017.
be checked.
Label Panel
• Check Show Position in Camera View
to indicate the position of a selected Point Labels for electrical fixtures display in floor
or Spot Light source in the preview pane plan view and cross section/elevation views
and in all 3D views aside from Line when the “Electrical, Labels” layer is turned
Drawing renderings when it is turned On. on and use the Text Style assigned to that
This tool can be used to determine if your layer. See “Electrical Labels” on page 657.

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