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helpwidget.py
rendermodes.py 1.78 KiB
# This script shows how to switch between different render modes
# programmatically and change render options.
# remove all objects from scene, just in case
scene.RemoveAll()
# load pdb structure
eh=io.LoadPDB("data/sdh.pdb")
sdh_go=gfx.Entity("SDH2", eh.Select("cname=A"))
# create graphical object and add it to the scene
scene.Add(sdh_go)
scene.CenterOn(sdh_go)
def Tube():
sdh_go.SetRenderMode(gfx.TUBE)
sdh_go.tube_options.SetTubeRadius(0.8)
# apply color gradient for the atomic bfactors
sdh_go.ColorBy("abfac",gfx.BLUE,gfx.RED)
# and apply radius gradient as well
sdh_go.RadiusBy("abfac",0.8,2.2)
def Trace():
sdh_go.SetRenderMode(gfx.LINE_TRACE)
sdh_go.GetOptions(gfx.LINE_TRACE).SetLineWidth(2.5)
def Spheres():
sdh_go.SetRenderMode(gfx.CPK)
sdh_go.GetOptions(gfx.CPK).SetSphereDetail(4)
def Cartoon():
sdh_go.SetRenderMode(gfx.RenderMode.HSC)
sdh_go.SetColor(gfx.Color(0.5, 0.5, 0.5), '')
sdh_go.SetColor(gfx.Color(0,1,0),"rtype=H")
sdh_go.SetDetailColor(gfx.Color(0.7,1.0,0.8),"rtype=H")
# strands
sdh_go.SetColor(gfx.Color(1,0,0),"rtype=E")
sdh_go.SetDetailColor(gfx.Color(1.0,0.8,0.2),"rtype=E")
# these are the default params for the rendering
#sdh_go.cartoon_options.SetArcDetail(4) # circular profile detail
#sdh_go.cartoon_options.SetSphereDetail(4) # sphere detail
#sdh_go.cartoon_options.SetSplineDetail(8) # segments between backbone atoms
#sdh_go.cartoon_options.SetTubeRadius(0.4) # coil radius
#sdh_go.cartoon_options.SetTubeRatio(1.0) # coil axial ratio
#sdh_go.cartoon_options.SetHelixWidth(1.1) # helical width
#sdh_go.cartoon_options.SetHelixThickness(0.2) # helical thickness
#sdh_go.cartoon_options.SetStrandWidth(1.2) # strand width
#sdh_go.cartoon_options.SetStrandThickness(0.2) # strand thickness
Cartoon()