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TubeItem

viewport_lib::renderer

Struct TubeItem 

Source 
#[non_exhaustive]
pub struct TubeItem {
    pub positions: Vec<[f32; 3]>,
    pub strip_lengths: Vec<u32>,
    pub radius: f32,
    pub radius_attribute: Option<Vec<f32>>,
    pub sides: u32,
    pub scalars: Vec<f32>,
    pub scalar_range: Option<(f32, f32)>,
    pub colormap_id: Option<ColormapId>,
    pub color: [f32; 4],
    pub id: u64,
}
Expand description

A general tube item: polyline strips swept into a tube mesh with per-point radius and scalar colormap support.

Similar to StreamtubeItem but with configurable cross-section resolution, optional per-point radius from a separate attribute, and per-vertex scalar coloring. The CPU sweep generates a full connected mesh submitted to the streamtube pipeline.

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 for all strips, concatenated.

§strip_lengths: Vec<u32>

Number of vertices per individual strip.

§radius: f32

Uniform tube radius in world-space units. Default: 0.05.

§radius_attribute: Option<Vec<f32>>

Optional per-point radii in world-space units. If non-empty (and same length as positions), overrides radius per-vertex.

§sides: u32

Number of sides in the tube cross-section. Default: 8.

§scalars: Vec<f32>

Optional per-point scalar values for LUT coloring. If empty, uses color.

§scalar_range: Option<(f32, f32)>

Scalar range for LUT mapping. None = auto from data min/max.

§colormap_id: Option<ColormapId>

Colormap for scalar coloring. None = default builtin (viridis).

§color: [f32; 4]

Flat RGBA color used when scalars is empty. Default: opaque white.

§id: u64

Unique ID (reserved for picking). Default: 0.

Trait Implementations§

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impl Clone for TubeItem

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fn clone(&self) -> TubeItem

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 TubeItem

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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 Default for TubeItem

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fn default() -> Self

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

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