🌐中文EnglishDeutschEspañolFrançaisالعربيةفارسی中文日本語EntityQ7512907· pop 9· linked from 39 articles有向距離場Also known as Signed distance fielddistance from a point to the boundary of a setAvailable in 9 languagesEspañolFrançais日本語العربيةKabyleTamilUkrainianفارسیvia Wikidata sitelinks · CC0Connectionsmetric spaceEntitysmooth functionEntityCategoriesApplied mathematicsDistanceImplicit surface modelingSign (mathematics)