<sect1 id="sect-gui-mateditor">
    
  <para>
    The Material editor can be opened from the material management tab in the panel. It lets you edit materials you created
or loaded from the library.
  </para>
  
 
 <title>Material Editor</title>
  
     <figure id="fig-interface-view">
        <title>The material editor window.</title>
        <screenshot>
          <mediaobject>
            <imageobject>
              <imagedata fileref="figures/interface_mateditor.png" format="PNG" />
            </imageobject>
            <textobject>
              <phrase></phrase>
            </textobject>
           </mediaobject>
        </screenshot>
      </figure>


<para>
<para>There are three panels in the material editor :</para>

<para><guilabel>The selection panel</guilabel></para>
<para>   
        On the left side. Contains three elements :

	<itemizedlist>
  
	<listitem>
	  <para>
	    <guilabel>The material selection combo</guilabel>
          </para>
          <para>
          Contains the list of all loaded materials and change the currently edited material.
	  </para>
	</listitem>
  	
	<listitem>
	  <para>
	    <guilabel>The material items selection tree</guilabel>
          </para>
          <para>
          This tree represents the edited material. By clicking on an item you make it editable in the edition panel.
	  </para>
	</listitem>

	<listitem>
	  <para>
	    <guilabel>The material items management buttons</guilabel>
          </para>
          <para>
          At the bottom there are 6 buttons, used to manage materials and material items. From left to right :
			<itemizedlist>
  
			<listitem>  <para>
			    <guilabel>New Material</guilabel>
		          </para>
		          <para>
		          Create a new, empty, material.
			  </para>
			</listitem>

			<listitem>  <para>
			    <guilabel>Delete</guilabel>
		          </para>
		          <para>
		          Delete material item ( for map items only ).
			  </para>
			</listitem>

			<listitem>  <para>
			    <guilabel>Copy</guilabel>
		          </para>
		          <para>
		          Copy material item.
			  </para>
			</listitem>


			<listitem>  <para>
			    <guilabel>Paste</guilabel>
		          </para>
		          <para>
		          Paste material item. Before pasting you should select an item of the same type than the copied one. It will be changed to have same parameters.
			  </para>
			</listitem>

			<listitem>  <para>
			    <guilabel>Move Up / Move Down</guilabel>
		          </para>
		          <para>
		          Move material items in tree. For map items only.
			  </para>
			</listitem>
			</itemizedlist>
	  </para>
	</listitem>
	</itemizedlist>
      </para>


<para><guilabel>The edition panel</guilabel></para>
<para>
On the middle. Contains all editable parameters of current material item, included his name.
Click on the (+) sign to unroll extra parameters boxes.
</para>

<para><guilabel>The preview panel</guilabel></para>
<para>
On the right side. This panel is devoted to material preview. Click on the 'preview' button to start rendering a
predefined scene. Click on 'Cancel' to stop the process. Parameters below let's you set the preview size, the object used
for preview and some options as rendering floor, wall, sky, antialiasing use.
</para>


</para>
</sect1>



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