Surface proximity

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When showing the molecular surface of a subset of atoms (not the entire molecule), then the surface_proximity setting controls whether triangles are shown which are between an included and an excluded atom.

Values

  • surface_proximity=on: (default) Show all triangles which have at least one vertex belonging to the atom selection. In this case colors from hidden atoms can leak into the open surface edge.
  • surface_proximity=off: Show only triangles where all three vertices belong to the atom selection.

Example

This example demonstrates the color "leaking" from atoms which don't belong to the surface selection.

fetch 5hpr, async=0
color red
color yellow, chain B
show surface, chain B
set surface_proximity, off

Surface proximity.png

See Also