3ddce116e5
* Warn when calling deprecated std functions Signed-off-by: Nick Cameron <nrc@ncameron.org> * Refactor function values Signed-off-by: Nick Cameron <nrc@ncameron.org> --------- Signed-off-by: Nick Cameron <nrc@ncameron.org>
47 lines
52 KiB
Markdown
47 lines
52 KiB
Markdown
---
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title: "patternTransform2d"
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excerpt: "Just like patternTransform, but works on 2D sketches not 3D solids."
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layout: manual
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---
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Just like patternTransform, but works on 2D sketches not 3D solids.
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```js
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patternTransform2d(sketch_set: SketchSet, instances: integer, transform: FunctionSource, use_original?: bool) -> [Sketch]
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```
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### Arguments
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| Name | Type | Description | Required |
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|----------|------|-------------|----------|
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| `sketch_set` | [`SketchSet`](/docs/kcl/types/SketchSet) | The sketch(es) to duplicate | Yes |
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| `instances` | `integer` | 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 |
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| `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 |
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| `use_original` | `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 |
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### Returns
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[`[Sketch]`](/docs/kcl/types/Sketch)
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### Examples
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```js
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// Each instance will be shifted along the X axis.
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fn transform(id) {
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return { translate = [4 * id, 0] }
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}
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// Sketch 4 circles.
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sketch001 = startSketchOn('XZ')
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|> circle({ center = [0, 0], radius = 2 }, %)
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|> patternTransform2d(instances = 4, transform = transform)
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```
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