Signed distance function
description: distance from a point to the boundary of a set
label: Función distancia con signo @es
subject: Category:Distance
label: Fonction distance signée @fr
subject: Category:Applied mathematics
subject: Category:Implicit surface modeling
subject: Category:Sign (mathematics)
description: Abstand von einem Punkt zum Rand einer Menge @de
label: دالة مسافة متجهة @ar