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<title>GAMGI Interfaces: Layer Modify</title>
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<h1>Layer Modify</h1>
<div id="notebook">
<ul>
<li><a href="modify_projection.html">Projection</a></li>
<li><a href="modify_position.html">Position</a></li>
<li><a href="modify_visibility.html">Visibility</a></li>
<li><span>View</span></li>
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Change here the visual representation for a single layer or a list of layers.
<p/>
To modify a layer, click over the graphic area to open a menu and choose a layer,
or write its identification (name and number) on the <b>Layer</b> entry. To modify
a list of layers, press the button <b>List</b> (after creating the list of layers
with <b>Layer->Select</b>). Parameters for empty entries or <b>Local</b> choices
remain unchanged.
<p/>
To change a layer name write the new name in the <b>Layer</b> entry,
followed by the layer number (GAMGI needs the number to identify the layer).
To change the name for a list of layers, press <b>List</b> first
and then write the new common name in the <b>Name</b> entry.
<h3>R, G, B</h3>
The <b>R</b>, <b>G</b>, <b>B</b> entries define the color of the layer
background, from black (0.0, 0.0, 0.0) to white (1.0, 1.0, 1.0). When
multiple layers are visible, GAMGI always shows the background color
of the current layer.
<h3>Axes</h3>
To show the layer referential axes, set the <b>Axes</b> option to <b>Yes</b>.
The three axes use the rgb color scheme: red for the first axis, green
for the second and blue for the third.
<h3>Scale</h3>
Change the size of everything contained in the layer, except lights.
Layer objects are scaled around the layer center, defined by the
<b>Center</b> parameter.
<p/>
The visual representation of an object is always scaled by its own
scale factor multiplied by the scale factor of all its parent objects
until layer, inclusive.
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