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TensorGlyphItem

viewport_lib::renderer

Struct TensorGlyphItem 

Source 
#[non_exhaustive]
pub struct TensorGlyphItem {
    pub positions: Vec<[f32; 3]>,
    pub eigenvalues: Vec<[f32; 3]>,
    pub eigenvectors: Vec<[[f32; 3]; 3]>,
    pub scale: f32,
    pub colour_attribute: Option<Vec<f32>>,
    pub scalar_range: Option<(f32, f32)>,
    pub colourmap_id: Option<ColourmapId>,
    pub model: [[f32; 4]; 4],
    pub id: u64,
    pub appearance: AppearanceSettings,
    pub selected: bool,
}
Expand description

A set of instanced tensor glyphs for stress/strain visualization.

Each instance is an ellipsoid at positions[i], scaled anisotropically by the absolute eigenvalues along the eigenvector axes. Colour comes from colour_attribute if provided, otherwise from the sign of the first (dominant) eigenvalue.

Fields (Non-exhaustive)§

This struct is marked as non-exhaustive
Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.
§positions: Vec<[f32; 3]>

World-space positions, one per instance.

§eigenvalues: Vec<[f32; 3]>

Per-instance eigenvalues [lambda0, lambda1, lambda2]. The ellipsoid is scaled by |lambda_i| * scale along each eigenvector axis.

§eigenvectors: Vec<[[f32; 3]; 3]>

Per-instance eigenvectors as column vectors [[e0x,e0y,e0z], [e1x,...], [e2x,...]]. Must form an orthonormal basis. Length must match positions.

§scale: f32

Global scale factor applied to all instances. Default: 1.0.

§colour_attribute: Option<Vec<f32>>

Optional per-instance scalar values for LUT colouring. When None, colours by sign of eigenvalues[i][0]: positive -> upper LUT, negative -> lower LUT.

§scalar_range: Option<(f32, f32)>

Scalar range for LUT mapping. None = auto from data.

§colourmap_id: Option<ColourmapId>

Colourmap for scalar colouring. None = viridis. For sign colouring, a diverging map works best.

§model: [[f32; 4]; 4]

World-space model matrix. Default: identity.

§id: u64

Unique ID for picking. 0 = not pickable.

§appearance: AppearanceSettings

Per-item appearance overrides (hidden, unlit, opacity, wireframe).

§selected: bool

Whether this tensor glyph set is selected at object level. Default: false.

Trait Implementations§

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impl Clone for TensorGlyphItem

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fn clone(&self) -> TensorGlyphItem

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 Default for TensorGlyphItem

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fn default() -> Self

Returns the “default value” for a type. Read more

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