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Panda3D Manual: Antialiasing

Antialiasing

The antialias attribute of a node controls what kind of antialiasing is to be applied to that node. To choose one of the various forms of antialiasing, invoke one of the following variants:

np.setAntialias(AntialiasAttrib.MNone)
np.setAntialias(AntialiasAttrib.MPoint)
np.setAntialias(AntialiasAttrib.MLine)
np.setAntialias(AntialiasAttrib.MPolygon)
np.setAntialias(AntialiasAttrib.MMultisample)
np.setAntialias(AntialiasAttrib.MAuto)

In general, when rendering polygonal models, multisample antialiasing looks best. However, when rendering lines and points, it usually looks better to choose one of the specialized antialiasing modes. The MAuto setting automatically selects the kind that usually works best for the geometry in question. Thus, if you want to enable antialiasing on the whole scene, just use:

render.setAntialias(AntialiasAttrib.MAuto)

In order for multisample antialiasing to work, you have to have multisample bits available in your framebuffer. To request this, add:

framebuffer-multisample 1
multisamples 2

to your Config.prc file. Note that not all graphics cards have this capability. You may also be able to request more multisamples, such as 4 or 8, depending on your graphics card. If your card can provide additional samples, it produces a higher-quality antialiasing, at a small cost to render time.

The function clearAntialias can be used to remove the antialias setting. The function setAntialias takes an optional priority parameter, to control attribute overrides.