> > I have two questions regarding usage of O: > > (1) My machine is Indigo2 with extreme graphics, running on IRIX 5.3. I am > using dials to adjust fragment of a molecule. I have difficult in > positioning the fragment to a precise location, i.e., it "jumps around" > the point (both rotation and translation). Does anyone know how to get > around the problem? It sounds to me that the dials are too sensitive. Change the value of the data block .dial_real to something less than 1 (say, 0.3): O > db_se_data Heap> Full name of data block: .dial_real Heap> Start and end entries [1 1 ]: 1 1 Heap> Changing entries 1 to 1 of data block .dial_real Heap> Enter value (must be type R): 0.3 > (2) How to use Tor_general? > say you have the following bonds: CA---CB---CG---CD---NE---CZ If you want to rotate the side chain around the three bonds defined by CB---CG---CD---NE, first click on CA and then on CZ. Three dials will then allow rotation around the bonds. Hope this helps, Aaron
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