1. A surgical planning computerized method comprising: determining a predetermined number of control points for generating a predetermined number of areas representing cartilage, wherein the predetermined number of control points are based on an implant component; receiving measurements corresponding to a plurality of measured cartilage points, wherein each cartilage point is based on an associated control point from the predetermined number of control points; generating a plurality of areas representing cartilage, wherein each area representing cartilage is larger than and projects to an associated control point from the plurality of control points; and positioning a representation of the implant component based on a representation of a bone, the representation of the bone comprising representations of the plurality of areas representing cartilage.