Declare pattern transform functions in KCL (#7057)

* Declare pattern transform using KCL

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Boolean function param defaults

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Parse empty record types in fn types

Signed-off-by: Nick Cameron <nrc@ncameron.org>

---------

Signed-off-by: Nick Cameron <nrc@ncameron.org>
This commit is contained in:
Nick Cameron
2025-05-20 08:25:29 +12:00
committed by GitHub
parent b1d1d89ca5
commit cf303ebe97
25 changed files with 383 additions and 16487 deletions

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@ -1,19 +1,19 @@
---
title: "patternTransform2d"
subtitle: "Function in std::sketch"
excerpt: "Just like patternTransform, but works on 2D sketches not 3D solids."
excerpt: "Just like `patternTransform`, but works on 2D sketches not 3D solids."
layout: manual
---
Just like patternTransform, but works on 2D sketches not 3D solids.
Just like `patternTransform`, but works on 2D sketches not 3D solids.
```kcl
patternTransform2d(
@sketches: [Sketch],
instances: number,
transform: FunctionSource,
useOriginal?: bool,
): [Sketch]
@sketches: [Sketch; 1+],
instances: number(_),
transform: fn(number(_)): { },
useOriginal?: boolean,
): [Sketch; 1+]
```
@ -22,14 +22,14 @@ patternTransform2d(
| Name | Type | Description | Required |
|----------|------|-------------|----------|
| `sketches` | [`[Sketch]`](/docs/kcl-std/types/std-types-Sketch) | The sketch(es) to duplicate | Yes |
| `instances` | [`number`](/docs/kcl-std/types/std-types-number) | The number of total instances. Must be greater than or equal to 1. This includes the original entity. For example, if instances is 2, there will be two copies -- the original, and one new copy. If instances is 1, this has no effect. | Yes |
| `transform` | `FunctionSource` | How each replica should be transformed. The transform function takes a single parameter: an integer representing which number replication the transform is for. E.g. the first replica to be transformed will be passed the argument `1`. This simplifies your math: the transform function can rely on id `0` being the original instance passed into the `patternTransform`. See the examples. | Yes |
| `useOriginal` | [`bool`](/docs/kcl-std/types/std-types-bool) | If the target was sketched on an extrusion, setting this will use the original sketch as the target, not the entire joined solid. Defaults to false. | No |
| `sketches` | [`[Sketch; 1+]`](/docs/kcl-std/types/std-types-Sketch) | The sketch(es) to duplicate. | Yes |
| `instances` | [`number(_)`](/docs/kcl-std/types/std-types-number) | The number of total instances. Must be greater than or equal to 1. This includes the original entity. For example, if instances is 2, there will be two copies -- the original, and one new copy. If instances is 1, this has no effect. | Yes |
| `transform` | [`fn(number(_)): { }`](/docs/kcl-std/types/std-types-fn) | How each replica should be transformed. The transform function takes a single parameter: an integer representing which number replication the transform is for. E.g. the first replica to be transformed will be passed the argument `1`. This simplifies your math: the transform function can rely on id `0` being the original instance passed into the `patternTransform`. See the examples. | Yes |
| `useOriginal` | `boolean` | If the target was sketched on an extrusion, setting this will use the original sketch as the target, not the entire joined solid. | No |
### Returns
[`[Sketch]`](/docs/kcl-std/types/std-types-Sketch)
[`[Sketch; 1+]`](/docs/kcl-std/types/std-types-Sketch)
### Examples

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@ -65,7 +65,7 @@ layout: manual
* [`line`](/docs/kcl-std/line)
* [`loft`](/docs/kcl-std/loft)
* [`patternCircular2d`](/docs/kcl-std/patternCircular2d)
* [`patternTransform2d`](/docs/kcl-std/patternTransform2d)
* [`patternTransform2d`](/docs/kcl-std/functions/std-sketch-patternTransform2d)
* [`polygon`](/docs/kcl-std/polygon)
* [`profileStart`](/docs/kcl-std/profileStart)
* [`profileStartX`](/docs/kcl-std/profileStartX)
@ -94,7 +94,7 @@ layout: manual
* [`intersect`](/docs/kcl-std/intersect)
* [`patternCircular3d`](/docs/kcl-std/patternCircular3d)
* [`patternLinear3d`](/docs/kcl-std/patternLinear3d)
* [`patternTransform`](/docs/kcl-std/patternTransform)
* [`patternTransform`](/docs/kcl-std/functions/std-solid-patternTransform)
* [`shell`](/docs/kcl-std/functions/std-solid-shell)
* [`subtract`](/docs/kcl-std/subtract)
* [`union`](/docs/kcl-std/union)

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@ -30,7 +30,7 @@ This module contains functions for creating and manipulating sketches, and makin
* [`line`](/docs/kcl-std/line)
* [`loft`](/docs/kcl-std/loft)
* [`patternCircular2d`](/docs/kcl-std/patternCircular2d)
* [`patternTransform2d`](/docs/kcl-std/patternTransform2d)
* [`patternTransform2d`](/docs/kcl-std/functions/std-sketch-patternTransform2d)
* [`polygon`](/docs/kcl-std/polygon)
* [`profileStart`](/docs/kcl-std/profileStart)
* [`profileStartX`](/docs/kcl-std/profileStartX)

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@ -18,7 +18,7 @@ This module contains functions for modifying solids, e.g., by adding a fillet or
* [`intersect`](/docs/kcl-std/intersect)
* [`patternCircular3d`](/docs/kcl-std/patternCircular3d)
* [`patternLinear3d`](/docs/kcl-std/patternLinear3d)
* [`patternTransform`](/docs/kcl-std/patternTransform)
* [`patternTransform`](/docs/kcl-std/functions/std-solid-patternTransform)
* [`shell`](/docs/kcl-std/functions/std-solid-shell)
* [`subtract`](/docs/kcl-std/subtract)
* [`union`](/docs/kcl-std/union)

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