<div dir="ltr"><br><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr">Hi,<br><div class="gmail_quote"><div dir="ltr"><div><div><br></div><div>I&#39;m working in 3D grpahs with VTK. Now I have the possibility to rotate them, but around the center of the image. Like in rotation.bmp.</div>

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</div><div><br></div><div>What I want to achieve is rotating them around the axes&#39;s origin and consequently, maintain always the origin always fixed.</div><div><br></div><div>I define the following interactor in the constructor.</div>




<div><br></div></div></div><div class="im"><div><div><span style="white-space:pre-wrap">        </span>public Chart3dCanvas(ChartComposite composite3) {</div><div><span style="white-space:pre-wrap">                </span>super();</div><div><span style="white-space:pre-wrap">                </span>this.chartComposite = composite3;</div>



<div><span style="white-space:pre-wrap">                </span>vtkFileOutputWindow output = new vtkFileOutputWindow();</div><div><span style="white-space:pre-wrap">                </span>output.SetFileName(&quot;vtkerror.txt&quot;);</div><div>
<span style="white-space:pre-wrap">                </span>output.SetInstance(output);</div><div><br></div><div><span style="white-space:pre-wrap">                </span>iren.SetInteractorStyle(new vtkInteractorStyleTrackballCamera());</div><div>
<span style="white-space:pre-wrap">                </span></div><div><span style="white-space:pre-wrap">                </span>iren.GetInteractorStyle().AddObserver(&quot;MiddleButtonPressEvent&quot;, this, &quot;middleButtonPressed&quot;);</div>
<div><span style="white-space:pre-wrap">                </span>iren.GetInteractorStyle().AddObserver(&quot;MiddleButtonPressEvent&quot;, this, &quot;middleButtonReleased&quot;);</div><div><span style="white-space:pre-wrap">                </span></div>



<div><span style="white-space:pre-wrap">                </span>iren.GetInteractorStyle().AddObserver(&quot;MouseWheelForwardEvent&quot;, this, &quot;mouseWheelForward&quot;);</div><div><span style="white-space:pre-wrap">                </span>iren.GetInteractorStyle().AddObserver(&quot;MouseWheelBackwardEvent&quot;, this, &quot;mouseWheelBackward&quot;);</div>



<div><span style="white-space:pre-wrap">                </span></div><div><span style="white-space:pre-wrap">                </span>this.addMouseWheelListener(this);</div><div><span style="white-space:pre-wrap">        </span>}</div></div><div>
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<br clear="all"><div>Any help, please?</div><div><br></div><div>Thank you in advance!</div><span><font color="#888888"><div><br></div></font></span></div></div></div></div></div></div></div><span class="HOEnZb"><font color="#888888">-- <br>

Laura Balbastre<br>
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</div><br><br clear="all"><div><br></div>-- <br>Laura Balbastre<br>
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