19 Jun

Updated version of connection representation and discussion of how to deal with different cases in place function

Dawei Zhao

How to represent the three major types (four subtypes) of connection

  1. edge-edge: addConnection((faceB,edgeB), (faceA,edgeA), orientation=front-front/front-back, offset=x, angle=x)

initial placement: faceA is placed in the x-y plance of an x-y-z coordinate, edgeA is placed along the x-axis. Similarly, faceB is placed in the x-y plance of an x-y-z coordinate, edgeB is placed along the x-axis. If A and B has front-front orientation, then edgeB will offset toward the positive direction of x-axis; if A and B has front-back orientation, then edgeB will offset toward the negative direction of x-axis.

a. faceA, edgeA

b. faceB, edgeB

c. orientation: front-front vs front-back

d. offset: x (only offset along the x-axis is allowed)

e. angle: x (only rotation around the x-axis is allowed)

  1. edge-edge-offset (can be regarded as an extension of edge-edge, or a special case of edge-face. We differentiate it from edge-face or edge-edge connection because it is highly useful and common for real-life furniture design, which makes it deserve a special treatment.): addInsertion((faceB,edgeB), (faceA,edgeA), orientation=front-front/front-back, offset=(x,y), angle=(x,z))

initial placement: the same as edge-edge

a. faceA, edgeA

b. faceB, edgeB

c. orientation: front-front vs front-back

d. offset: (x,y) (can offset along the x-axis and the y-axis)

e. angle: (x=90*k,y) (can rotate around the x-axis or the y-axis)

  1. edge-face: addEdgeToFace((faceB,edgeB), (faceA), orientation=front-front/front-back, offset=(x,y), angle=(x,z), rotation=alpha)

initial placement: faceA is placed in the x-y plane of an x-y-z coordinate, centering at (0,0,0). faceB is also placed in the x-y plane of an x-y-z coordinate, with its edgeB ???

a. faceA

b. faceB, edgeB

c. orientation: front-front vs front-back

d. offset: (x,y) (can offset along the x-axis and the y-axis)

e. angle: (x,z) (can rotate around the x-axis or the z-axis)

f. rotation: alpha (faceB can rotation within the x-y plane around the z-axis clockwise with an angle of alpha)

  1. face-face: addEdgeToFace((faceB), (faceA), orientation=front-front/front-back, offset=(x,y,z), angle=(x,y,z), rotation=alpha)

initial placement: Both faceA and faceB are placed within the x-y plane of an x-y-z coordinated, centering at (0,0,0).

a. faceA

b. faceB

c. orientation: front-front vs front-back

d. offset: (x,y,z)

e. angle: (x,y,z)

f. rotation: alpha (faceB can rotation within the x-y plane around the z-axis clockwise with an angle of alpha)

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