Tri strand braid

[ S.O.F.T ] lab

Rhino LEARN Grasshopper

TRI STRAND BRAID

Logic generation + beginner level Script

[ S.O.F.T ] lab

Rhino

1

LOGIC GENERATION

LEARN Grasshopper

a

Physical Model

Sumaiya Sarwat

[ S . O . F.T ] l a b

b

Diagram Study

LOGIC GENERATION c

Rules Layer

0.0

.25

.50

.75

1.0

<< Position

Rule_ 01_2d [Front]

2

3

4 Alone

1

Intersect

0

Intersect

_ Curves move through Points ‘0’ & ‘4’ are always alone.

<< Point ID

0.0

.25

.50

.75

_ All Intersections / Overlaps will occur at the position of 0.25 & 0.75

1.0

X

3

4 Alone

Intersect

2

Yellow & Red Intersect

Blue Alone

-Y

1

Layer

X +Y

Layer

_ Intersection at point ‘1’ & ‘3’ will occur alternatively. _ Movement of a single curve vertically / in Layers :

+Y

0

_ No Intersection / Overlap will occur at the position of 0.0 & 1.0 _ Curves move through Points ‘1’ & ‘3’ will always intersect.

-Y Rule_ 02_2d [Top / Side]

Layer

1

LEARN Grasshopper

Alone

Rule_ 01_2d [Front]

[ S.O.F.T ] lab

Rhino

Layer

Point ID >>

0

1

3

4

3

1

0

Position >>

0.0

.25

.75

1.0

.75

.25

0.0

_ Each layer will contain one detached curve & two Intersecting Curves

Layer

Rule_ 02_2d [Top / Side] _ Curves (alone) at point of ‘0’ & ‘1’ will always stay at (x,0) position.

Layer

_ Curves (Intersecting ) at point of ‘1’ & ‘3’ will always move at (X, +- Y) position.

Layer

2

From Layer 0 to Layer 6

Understanding Logic through simple Script -Y

X +Y

Layer 6

1. Origin / Start from a point 2. Draw line in X direction 3. Array Lines in Z direction

5.1 List item > give ID (0-6) to array lines (layer 0 to layer 6)

4. Reference vertical Lines

5.2 Get points in each layer according to rule_01 & 02

5. Draw Cur ves [ B / Y / R ]

5.2 Draw Blue / Yellow / Red Cur ves

Layer 5

Layer 4

Layer 3

Layer 2

Layer 1

[Front]

LEARN Grasshopper

Layer

[Side]

[ S.O.F.T ] lab

Rhino

Layer 0

Layer 2

Layer 1

Layer 0

Layer 3

>> 1

>> 0

1 2

5 4

0

>> 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0

2 5

3

3 >>

3

3

3

3

>> 1

2

4

0

1 2 1 2

5 4 5 4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0

2

>>

3

3

3

3

3

3 >>

3

1

5

1

2

4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 2

>>

3

3

3

3

3

3

>> 1

4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 2

5

3

>>

3

3

3

3

3

3

>> 1

4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 1 2

5 4

0 2

-Y

3

[Front]

4

0 5

[Side]

0 1

4

2 3 4 1 0 5 . . .

5 2 3

4 1 0 5 2 3 . . .

1 0

5

M ov e me n t of Red Cu r v e in d i ffe rent l a y ers _ get p oi n t I D in Ci rc l e > >

Layer 5 3 4

M ov e me n t of Yellow Cu r v e i n d iffe rent l a y ers _ get p oi n t I D in C i rc l e > >

0 5

0 5 2 3 4 1 . . .

Layer 6 4

M ov e me n t of B lue Cu r v e in d iffe rent l a y ers _ get p oi n t I D in C i rc l e > >

5

0 1 2 3 4 5

LEARN Grasshopper

S ec ti on s i n di ffe re nt l a y ers _ get p oi n t I D in Ci rcl e > >

Layer 4

S ec ti on s i n di ffe re nt l a y ers _ get p oi n t I D in H e xagon > > 0 1 2 3 4 5

Sections in diffe rent la yers _ L inea r

[ S.O.F.T ] lab

Rhino Layer

3

Study in Section From Layer 0 to Layer 6 Understanding Logic in 3rd diagram X +Y Layer 6

3

3

Layer 5

3

Layer 4

3

Layer 3

3

Layer 2

3

Layer 1

Layer 0

[ S.O.F.T ] lab

Rhino LEARN Grasshopper

Layer

4

From Layer 0 to Layer 6

Fi n al Scr i pt for Tri Strand B raid _ Begin n er le vel Layer 4. Draw Blue / Yellow / Red Cur ves 5. Make Pipe From Cur ves

1. Start point / Origin / Circle

Layer

2. Array of Circles in Z direction 3. De fine point ID in each circle for Blue Cur ve _

0 5 2 3 4 1 . . .

3. De fine point ID in each circle for Yellow Cur ve _ 3. De fine point ID in each circle for Red Cur ve _

4 1 0 5 2 3 . . .

2 3 4 1 0 5 . . .

Layer

Layer

Layer

Layer

Layer

[ S.O.F.T ] lab

Rhino LEARN Grasshopper

Layer

TRI STRAND BRAID Logic generation + beginner le vel Script Layer

Layer

Layer

Layer

Layer

Layer

Layer