pickcanvas.html

JAVA多媒体开发类库说明

<TD><CODE><B><A HREF="../../../../../com/sun/j3d/utils/picking/PickCanvas.html#setShapeLocation(java.awt.event.MouseEvent)">setShapeLocation</A></B>(java.awt.event.MouseEvent&nbsp;mevent)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the pick location.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/sun/j3d/utils/picking/PickCanvas.html#setTolerance(float)">setTolerance</A></B>(float&nbsp;t)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the picking tolerance.</TD>
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&nbsp;<A NAME="methods_inherited_from_class_com.sun.j3d.utils.picking.PickTool"><!-- --></A>
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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class com.sun.j3d.utils.picking.<A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html" title="class in com.sun.j3d.utils.picking">PickTool</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#getBranchGroup()">getBranchGroup</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#getLocale()">getLocale</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#getMode()">getMode</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#getPickShape()">getPickShape</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#getStartPosition()">getStartPosition</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#pickAll()">pickAll</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#pickAllSorted()">pickAllSorted</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#pickAny()">pickAny</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#pickClosest()">pickClosest</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setBranchGroup(javax.media.j3d.Locale)">setBranchGroup</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setCapabilities(javax.media.j3d.Node, int)">setCapabilities</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setMode(int)">setMode</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setShape(javax.media.j3d.PickShape, javax.vecmath.Point3d)">setShape</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setShapeBounds(javax.media.j3d.Bounds, javax.vecmath.Point3d)">setShapeBounds</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setShapeConeRay(javax.vecmath.Point3d, javax.vecmath.Vector3d, double)">setShapeConeRay</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setShapeConeSegment(javax.vecmath.Point3d, javax.vecmath.Point3d, double)">setShapeConeSegment</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setShapeCylinderRay(javax.vecmath.Point3d, javax.vecmath.Vector3d, double)">setShapeCylinderRay</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setShapeCylinderSegment(javax.vecmath.Point3d, javax.vecmath.Point3d, double)">setShapeCylinderSegment</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setShapeRay(javax.vecmath.Point3d, javax.vecmath.Vector3d)">setShapeRay</A>, <A HREF="../../../../../com/sun/j3d/utils/picking/PickTool.html#setShapeSegment(javax.vecmath.Point3d, javax.vecmath.Point3d)">setShapeSegment</A></CODE></TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
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<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<A NAME="PickCanvas(javax.media.j3d.Canvas3D, javax.media.j3d.BranchGroup)"><!-- --></A><H3>
PickCanvas</H3>
<PRE>
public <B>PickCanvas</B>(<A HREF="../../../../../javax/media/j3d/Canvas3D.html" title="class in javax.media.j3d">Canvas3D</A>&nbsp;c,
                  <A HREF="../../../../../javax/media/j3d/BranchGroup.html" title="class in javax.media.j3d">BranchGroup</A>&nbsp;b)</PRE>
<DL>
<DD>Constructor with Canvas3D for mouse events and BranchGroup to be picked.
<P>
</DL>
<HR>

<A NAME="PickCanvas(javax.media.j3d.Canvas3D, javax.media.j3d.Locale)"><!-- --></A><H3>
PickCanvas</H3>
<PRE>
public <B>PickCanvas</B>(<A HREF="../../../../../javax/media/j3d/Canvas3D.html" title="class in javax.media.j3d">Canvas3D</A>&nbsp;c,
                  <A HREF="../../../../../javax/media/j3d/Locale.html" title="class in javax.media.j3d">Locale</A>&nbsp;l)</PRE>
<DL>
<DD>Constructor with Canvas3D for mouse events and Locale to be picked.
<P>
</DL>

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<A NAME="getCanvas()"><!-- --></A><H3>
getCanvas</H3>
<PRE>
public <A HREF="../../../../../javax/media/j3d/Canvas3D.html" title="class in javax.media.j3d">Canvas3D</A> <B>getCanvas</B>()</PRE>
<DL>
<DD>Inquire the canvas to be used for picking operations.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the canvas.</DL>
</DD>
</DL>
<HR>

<A NAME="setTolerance(float)"><!-- --></A><H3>
setTolerance</H3>
<PRE>
public void <B>setTolerance</B>(float&nbsp;t)</PRE>
<DL>
<DD>Set the picking tolerance.  Objects within this distance
 (in pixels) 
 to the mouse x,y location will be picked.  The default tolerance is 2.0.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>t</CODE> - The tolerance
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if the tolerance is less than 0.</DL>
</DD>
</DL>
<HR>

<A NAME="getTolerance()"><!-- --></A><H3>
getTolerance</H3>
<PRE>
public float <B>getTolerance</B>()</PRE>
<DL>
<DD>Get the pick tolerance.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setShapeLocation(java.awt.event.MouseEvent)"><!-- --></A><H3>
setShapeLocation</H3>
<PRE>
public void <B>setShapeLocation</B>(java.awt.event.MouseEvent&nbsp;mevent)</PRE>
<DL>
<DD>Set the pick location. Defines the location on the canvas where the
       pick is to be performed.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>mevent</CODE> - The MouseEvent for the picking point</DL>
</DD>
</DL>
<HR>

<A NAME="setShapeLocation(int, int)"><!-- --></A><H3>
setShapeLocation</H3>
<PRE>
public void <B>setShapeLocation</B>(int&nbsp;xpos,
                             int&nbsp;ypos)</PRE>
<DL>
<DD>Set the pick location. Defines the location on the canvas where the
        pick is to be performed (upper left corner of canvas is 0,0).
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>xpos</CODE> - the X position of the picking point<DD><CODE>ypos</CODE> - the Y position of the picking point</DL>
</DD>
</DL>
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