<DIV id=RTEContent> <DIV>Hi,</DIV> <DIV>First thanks Dr. Jean M. Favre to reply my question;</DIV> <DIV>I know this class,but it can meet my need, I not only need to calculate their angle, but also need to calculate the line length! <BR>Now I can add serveral vtkLineWidget into a scene:<BR>First I creat serveral vtkLineWidget and append them to a vector,then setinteractor() and setposition() one by one,It will display serveral linewidget,and I also can caculate their angleand line length!<BR>But, another problem is:<BR>If I select a linewidget to operate, how to located this linewidget in my vector,for I must get its pointer to change this linewidget's propertity(for example color) after I release mouse button to indicate it is a actived linewidget ,and if I pressed key-delete,I can delete it from vector!</DIV> <DIV>I use to measure medical image come from Dicom!</DIV> <DIV> </DIV> <DIV>Thanks advanced!</DIV> <DIV> </DIV>
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