#============================================================# # test trace for rigid body simulation # #============================================================# # set units #---------- units units scale name = mass uname = reducedMass value = 10000.0 # open pdb file #-------------- database open name = neck format = pdb file = ../data/neck_xform.pdb # read molecule #-------------- molecule read name = m1 database = neck # create a some domains #---------------------- domain create iq1 = AC[760-788] domain iq1 backbone color = [ 1 0 0 ] width = 2 show #domain iq1 atoms color = [ 1 0 0 ] show = true domain create iq2 = BC[788-814] domain iq2 backbone color = [ 0 1 0 ] width = 2 show #domain iq2 bonds atom_color = element atoms = true show = true #domain iq2 atoms color = [ 0 1 0 ] show = true domain create iq3 = DC[814-836] domain iq3 backbone color = [ 0 0 1 ] width = 2 show #domain iq3 bonds atom_color = element atoms = true show = true #domain iq3 atoms color = [ 0 0 1 ] show = true domain create hc = C #--------------------------------------------------------------# # create bodies # #--------------------------------------------------------------# body create name = ground type = ground body create name = iq1_body type = rigid domain = iq1 body create name = iq2_body type = rigid domain = iq2 body create name = iq3_body type = rigid domain = iq3 #--------------------------------------------------------------# # create joints # #--------------------------------------------------------------# # joint 1 #-------- joint create \ name = 1 \ type = ball \ domain = iq1 \ res = C[760] \ use = CA joint 1 color = [ 1 0 0 ] msize = 0.1 shading = color show = true joint 1 bodies = { ground iq1_body } # joint 2 #-------- joint create \ name = 2 \ type = ball \ domain = hc \ res = C[788] \ use = CA joint 2 color = [ 0 1 0 ] msize = 0.1 shading = flat display = line show = true joint 2 bodies = { iq1_body iq2_body } # joint 3 #-------- joint create \ name = 3 \ type = ball \ domain = hc \ res = C[814] \ use = CA joint 3 color = [ 0 0 1 ] msize = 0.1 shading = flat display = line show = true joint 3 bodies = { iq2_body iq3_body } #--------------------------------------------------------------# # create a course-grained model # #--------------------------------------------------------------# model create name = model_1 # add joints #----------- model model_1 add joint = 1 model model_1 add joint = 2 model model_1 add joint = 3 # add bodies #----------- model model_1 add body = iq1_body model model_1 add body = iq2_body model model_1 add body = iq3_body #model model_1 joints msize = 0.5 show = true #model model_1 bodies msize = 0.5 show = true #--------------------------------------------------------------# # create a rigid simulation # #--------------------------------------------------------------# simulation create name = rsim type = rigid # add bodies #----------- simulation rsim add body = ground simulation rsim add body = iq1_body simulation rsim add body = iq2_body simulation rsim add body = iq3_body # add joints #----------- simulation rsim add joint = 1 simulation rsim add joint = 2 simulation rsim add joint = 3 # set solver #----------- simulation rsim solver = ode simulation rsim solver finite_rotation = on # add forces #----------- force create name = force1 \ type = explicit \ point = [ 0 0 0 ] \ direction = [ 1 0 0 ] \ scale = 1.0 simulation rsim add force = force1 \ body = iq3_body \ time = { 0 1000 } force create name = force2 \ type = explicit \ point = [ 0 0 0 ] \ direction = [ 0 1 0 ] \ scale = 1.0 simulation rsim add force = force2 \ body = iq2_body \ time = { 0 1000 } # initialize simulation #---------------------- simulation rsim initialize simulation rsim time step = 0.02 simulation rsim add trace name = trace1 \ global_frame = true \ point = iq3:C[835] \ color = [ 1 0 1 ] \ body = iq3_body show = true # step simulation #---------------- #simulation rsim step = 100 #simulation rsim step #simulation rsim step #simulation rsim step #graphics write format = jpeg name = i1 #graphics record format = jpeg name = i1 on = true