On 19 April 2011 20:10, Viesturs Lācis <[email protected]> wrote:
> I feel that we have misunderstanding here... > Alpha rotates around X (X stays, Z (and Y) are moved), theta - around > Z (Z stays, X (and Y) are moved). And theta goes first, alpha is > second. > So theta should move X to where Y was and then with alpha (by turning > around the "new" - already displace - X axis) Z would be placed, where > was X. > Please, take a look - I drew small sketch, how it is done in 2 steps: > http://www.cutting.lv/fileadmin/user_upload/DH.JPG After a few minutes of rotating my digital coordinate system I have concluded you are correct, it is easy to rotate your thumb to the index finger initial position with the two rotations. Also, all alignments appear to be possible, which you would rather expect, -- atp "Torque wrenches are for the obedience of fools and the guidance of wise men" ------------------------------------------------------------------------------ Benefiting from Server Virtualization: Beyond Initial Workload Consolidation -- Increasing the use of server virtualization is a top priority.Virtualization can reduce costs, simplify management, and improve application availability and disaster protection. Learn more about boosting the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
