kcl →
patternTransform
Repeat a 3-dimensional solid by successively applying a transformation (such
as rotation, scale, translation, visibility) on each repetition.
patternTransform(num_repetitions: u32, transform_function: FunctionParam, extrude_group_set: ExtrudeGroupSet) -> [ExtrudeGroup]
Examples
// Parameters
const r = 50 // base radius
const h = 10 // layer height
const t = 0.005 // taper factor [0-1)
// Defines how to modify each layer of the vase.
// Each replica is shifted up the Z axis, and has a smoothly-varying radius
fn transform = (replicaId) => {
let scale = r * abs(1 - (t * replicaId)) * (5 + cos(replicaId / 8))
return {
translate: [0, 0, replicaId * 10],
scale: [scale, scale, 0]
}
}
// Each layer is just a pretty thin cylinder.
fn layer = () => {
return startSketchOn("XY")
// or some other plane idk
|> circle([0, 0], 1, %, $tag1)
|> extrude(h, %)
}
// The vase is 100 layers tall.
// The 100 layers are replica of each other, with a slight transformation applied to each.
let vase = layer()
|> patternTransform(100, transform, %)
Arguments
num_repetitions
:u32
(REQUIRED)transform_function
:FunctionParam
(REQUIRED)extrude_group_set
:ExtrudeGroupSet
- A extrude group or a group of extrude groups. (REQUIRED)
{
// Chamfers or fillets on this extrude group.
edgeCuts: [{
// The engine id of the edge to fillet.
edgeId: uuid,
// The id of the engine command that called this fillet.
id: uuid,
radius: number,
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "fillet",
} |
{
// The engine id of the edge to chamfer.
edgeId: uuid,
// The id of the engine command that called this chamfer.
id: uuid,
length: number,
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "chamfer",
}],
// The id of the extrusion end cap
endCapId: uuid,
// The height of the extrude group.
height: number,
// The id of the extrude group.
id: uuid,
// The sketch group.
sketchGroup: {
// The id of the sketch group (this will change when the engine's reference to it changes.
id: uuid,
// What the sketch is on (can be a plane or a face).
on: {
// The id of the plane.
id: uuid,
// Origin of the plane.
origin: {
x: number,
y: number,
z: number,
},
type: "plane",
// Type for a plane.
value: "XY" | "XZ" | "YZ" | "Custom",
// What should the plane’s X axis be?
xAxis: {
x: number,
y: number,
z: number,
},
// What should the plane’s Y axis be?
yAxis: {
x: number,
y: number,
z: number,
},
// The z-axis (normal).
zAxis: {
x: number,
y: number,
z: number,
},
} |
{
// The extrude group the face is on.
extrudeGroup: {
// Chamfers or fillets on this extrude group.
edgeCuts: [{
// The engine id of the edge to fillet.
edgeId: uuid,
// The id of the engine command that called this fillet.
id: uuid,
radius: number,
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "fillet",
} |
{
// The engine id of the edge to chamfer.
edgeId: uuid,
// The id of the engine command that called this chamfer.
id: uuid,
length: number,
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "chamfer",
}],
// The id of the extrusion end cap
endCapId: uuid,
// The height of the extrude group.
height: number,
// The id of the extrude group.
id: uuid,
// The sketch group.
sketchGroup: SketchGroup,
// The id of the extrusion start cap
startCapId: uuid,
// The extrude surfaces.
value: [{
// The face id for the extrude plane.
faceId: uuid,
// The id of the geometry.
id: uuid,
// The source range.
sourceRange: [number, number],
// The tag.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "extrudePlane",
} |
{
// The face id for the extrude plane.
faceId: uuid,
// The id of the geometry.
id: uuid,
// The source range.
sourceRange: [number, number],
// The tag.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "extrudeArc",
} |
{
// The id for the chamfer surface.
faceId: uuid,
// The id of the geometry.
id: uuid,
// The source range.
sourceRange: [number, number],
// The tag.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "chamfer",
} |
{
// The id for the fillet surface.
faceId: uuid,
// The id of the geometry.
id: uuid,
// The source range.
sourceRange: [number, number],
// The tag.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "fillet",
}],
},
// The id of the face.
id: uuid,
type: "face",
// The tag of the face.
value: string,
// What should the face’s X axis be?
xAxis: {
x: number,
y: number,
z: number,
},
// What should the face’s Y axis be?
yAxis: {
x: number,
y: number,
z: number,
},
// The z-axis (normal).
zAxis: {
x: number,
y: number,
z: number,
},
},
// The starting path.
start: {
// The from point.
from: [number, number],
// The tag of the path.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
// The to point.
to: [number, number],
},
// Tag identifiers that have been declared in this sketch group.
tags: {
},
// The paths in the sketch group.
value: [{
// The from point.
from: [number, number],
// The tag of the path.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
// The to point.
to: [number, number],
type: "ToPoint",
} |
{
// arc's direction
ccw: bool,
// the arc's center
center: [number, number],
// The from point.
from: [number, number],
// The tag of the path.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
// The to point.
to: [number, number],
type: "TangentialArcTo",
} |
{
// arc's direction
ccw: bool,
// the arc's center
center: [number, number],
// The from point.
from: [number, number],
// The tag of the path.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
// The to point.
to: [number, number],
type: "TangentialArc",
} |
{
// The from point.
from: [number, number],
// The tag of the path.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
// The to point.
to: [number, number],
type: "Horizontal",
// The x coordinate.
x: number,
} |
{
// The from point.
from: [number, number],
// The tag of the path.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
// The to point.
to: [number, number],
type: "AngledLineTo",
// The x coordinate.
x: number,
// The y coordinate.
y: number,
} |
{
// The from point.
from: [number, number],
// The tag of the path.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
// The to point.
to: [number, number],
type: "Base",
}],
},
// The id of the extrusion start cap
startCapId: uuid,
type: "extrudeGroup",
// The extrude surfaces.
value: [{
// The face id for the extrude plane.
faceId: uuid,
// The id of the geometry.
id: uuid,
// The source range.
sourceRange: [number, number],
// The tag.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "extrudePlane",
} |
{
// The face id for the extrude plane.
faceId: uuid,
// The id of the geometry.
id: uuid,
// The source range.
sourceRange: [number, number],
// The tag.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "extrudeArc",
} |
{
// The id for the chamfer surface.
faceId: uuid,
// The id of the geometry.
id: uuid,
// The source range.
sourceRange: [number, number],
// The tag.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "chamfer",
} |
{
// The id for the fillet surface.
faceId: uuid,
// The id of the geometry.
id: uuid,
// The source range.
sourceRange: [number, number],
// The tag.
tag: {
digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
end: number,
start: number,
value: string,
},
type: "fillet",
}],
} |
{
type: "extrudeGroups",
}
Returns
[ExtrudeGroup]