Signed Distance Field

Computer Graphics · Geometry and Intersection · also: SDF · signed-distance-field.yaml

Stores distance to the nearest surface, negative inside. Booleans, offsets and blends become arithmetic on the field, and the distance value itself is a safe step length for tracing.

• supersedescorrects · extends
• classifiesspecializes · part-of
• substitutes forapproximates · alternative-to
• depends onrequires · validates

Colour is the family; a dashed line is the second member of it.

This node

• part-ofis a subtopic of Surface Representation

Referenced by

• requiresSphere Tracing does not work without thisthe step length is the distance value itself

References

• Background — Signed distance function on Wikipedia