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AnchorPoint

brep_render::sheets::project

Struct AnchorPoint 

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pub struct AnchorPoint {
    pub anchor: String,
    pub kind: String,
    pub at: [f64; 2],
    pub model: [f64; 3],
    pub dir: Option<[f64; 2]>,
    pub radius: Option<f64>,
    pub u: Option<[f64; 2]>,
    pub v: Option<[f64; 2]>,
}
Expand description

One point of a placement’s projection a sheet dimension can anchor to.

anchor is the reference string (super::dimension::SheetAnchor) — the name that survives a re-projection — and at is where it landed on the paper THIS time. The sheet viewport publishes one hit rect per candidate while the reference picker is up for a sheet object, and a dimension resolves its anchors by looking its references up in this list: an anchor that is not here is a LOST anchor, which is what marks its dimension unresolved.

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§anchor: String§kind: String

vertex, edge or circle.

§at: [f64; 2]

Paper millimetres.

§model: [f64; 3]

The 3D point before projection, in model units, with this view’s poses applied. Aligned dimensions measure here so an oblique camera cannot foreshorten their values; at remains the point used for layout.

§dir: Option<[f64; 2]>

The unit PAPER direction of a STRAIGHT display edge — an edge candidate only, and None on a curved edge or one that projects to a point (an edge parallel to the viewing direction). It is what an ANGULAR dimension measures between: the edge’s direction as this view projects it, so a foreshortened angle reads its projected value.

Straightness is judged in the MODEL, not on the paper: a circular edge seen edge-on projects to a straight segment and is not a straight edge. All three fractions of one edge carry the same direction — it is the EDGE’s, not the point’s.

§radius: Option<f64>

The circle’s MODEL radius — a circle candidate only.

§u: Option<[f64; 2]>

The paper images of the circle’s two conjugate radii: the projected circle is the ellipse at + u cos t + v sin t. A circle candidate only, and what a radial dimension’s leader measures its reach along.

§v: Option<[f64; 2]>

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impl Clone for AnchorPoint

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for AnchorPoint

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl PartialEq for AnchorPoint

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fn eq(&self, other: &Self) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl Serialize for AnchorPoint

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for AnchorPoint

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