<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><BR><DIV><DIV>Le 10 août 07 à 01:42, Ettore Pasquini a écrit :</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">In other words the control of the spinning around the world's Up axis should</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">move from the device's Spin axis to the device's Roll axis depending on the</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">orientation of the world's Up axis relative to the screen.</FONT></P> </BLOCKQUOTE></DIV><DIV><BR class="khtml-block-placeholder"></DIV>I applied the patch. does what it advertize, thanks.<DIV><BR class="khtml-block-placeholder"></DIV><DIV>However, i fall on somewhat a stumble block.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Should we link the device on the world axis or the view axis ?</DIV><DIV>This has somewhat a strong importance, but there is some coherency problems</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>- in turntable and fly mode, view axis are what make sense. that means that an action</DIV><DIV> on the device will always give predictable results and always the same. That fly rotation are</DIV><DIV>inverted seems to me natural as you are rotating the camera instead of orbiting around selection</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>- In transform mode, we should and do respect actually the transform orientation of the view.</DIV><DIV> For that to work, we need to be in world coordinates when orientation is global or local</DIV><DIV> However, that means that an action on the devices may move a different axis that in</DIV><DIV>turntable mode, or in the inverted way.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>It make no sense to use view axis in transform mode unless the transform orientation is</DIV><DIV>on view, but it is rather disturbing when it moves a different axis than the one intented.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I would like some feedback on that before doing more, because i feel it is important </DIV><DIV>-- </DIV><DIV><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV>Jean-Luc Peurière</DIV><DIV><A href="mailto:jlp@nerim.net">jlp@nerim.net</A></DIV><DIV><BR class="khtml-block-placeholder"></DIV><BR class="Apple-interchange-newline"></SPAN> </DIV><BR></DIV></BODY></HTML>