Trait ModelVisitor 

pub trait ModelVisitor {
    // Provided methods
    fn on_start_model(&mut self) -> Result<()> { ... }
    fn on_end_model(&mut self) -> Result<()> { ... }
    fn on_metadata(&mut self, _name: &str, _value: &str) -> Result<()> { ... }
    fn on_start_resources(&mut self) -> Result<()> { ... }
    fn on_end_resources(&mut self) -> Result<()> { ... }
    fn on_base_materials(
        &mut self,
        _id: ResourceId,
        _group: &BaseMaterialsGroup,
    ) -> Result<()> { ... }
    fn on_color_group(
        &mut self,
        _id: ResourceId,
        _group: &ColorGroup,
    ) -> Result<()> { ... }
    fn on_start_mesh(&mut self, _id: ResourceId) -> Result<()> { ... }
    fn on_vertex(&mut self, _x: f32, _y: f32, _z: f32) -> Result<()> { ... }
    fn on_triangle(&mut self, _v1: u32, _v2: u32, _v3: u32) -> Result<()> { ... }
    fn on_end_mesh(&mut self) -> Result<()> { ... }
    fn on_start_beam_lattice(&mut self, _object_id: ResourceId) -> Result<()> { ... }
    fn on_beam(&mut self, _beam: &Beam) -> Result<()> { ... }
    fn on_end_beam_lattice(&mut self) -> Result<()> { ... }
    fn on_start_displacement_mesh(&mut self, _id: ResourceId) -> Result<()> { ... }
    fn on_displacement_vertex(
        &mut self,
        _x: f32,
        _y: f32,
        _z: f32,
    ) -> Result<()> { ... }
    fn on_displacement_triangle(
        &mut self,
        _triangle: &DisplacementTriangle,
    ) -> Result<()> { ... }
    fn on_displacement_normal(
        &mut self,
        _nx: f32,
        _ny: f32,
        _nz: f32,
    ) -> Result<()> { ... }
    fn on_end_displacement_mesh(&mut self) -> Result<()> { ... }
    fn on_start_build(&mut self) -> Result<()> { ... }
    fn on_end_build(&mut self) -> Result<()> { ... }
    fn on_build_item(&mut self, _item: &BuildItem) -> Result<()> { ... }
}

Trait for receiving callback events during streaming parsing of a 3MF model. This allows for processing massive files with constant memory usage.

Provided Methods

fn on_start_model(&mut self) -> Result<()>

Called when the model element starts.

fn on_end_model(&mut self) -> Result<()>

Called when the model element ends.

fn on_metadata(&mut self, _name: &str, _value: &str) -> Result<()>

Called upon encountering metadata.

fn on_start_resources(&mut self) -> Result<()>

Called when the resources container starts.

fn on_end_resources(&mut self) -> Result<()>

Called when the resources container ends.

fn on_base_materials( &mut self, _id: ResourceId, _group: &BaseMaterialsGroup, ) -> Result<()>

Called when a BaseMaterials group is fully parsed. Since these are typically small, we pass the full object.

fn on_color_group(&mut self, _id: ResourceId, _group: &ColorGroup) -> Result<()>

Called when a ColorGroup is fully parsed.

fn on_start_mesh(&mut self, _id: ResourceId) -> Result<()>

Called when a Mesh object starts.

fn on_vertex(&mut self, _x: f32, _y: f32, _z: f32) -> Result<()>

Called for each vertex in the current mesh.

fn on_triangle(&mut self, _v1: u32, _v2: u32, _v3: u32) -> Result<()>

Called for each triangle in the current mesh.

fn on_end_mesh(&mut self) -> Result<()>

Called when a Mesh object ends.

fn on_start_beam_lattice(&mut self, _object_id: ResourceId) -> Result<()>

Called when a beam lattice starts (inside a mesh object).

The object_id identifies which mesh object contains this beam lattice. Note: BeamSets are silently skipped in streaming mode since they reference beams by index and require all beams to be known (violating streaming semantics). Use DOM mode if BeamSet data is required.

fn on_beam(&mut self, _beam: &Beam) -> Result<()>

Called for each beam in the current beam lattice.

fn on_end_beam_lattice(&mut self) -> Result<()>

Called when a beam lattice ends.

fn on_start_displacement_mesh(&mut self, _id: ResourceId) -> Result<()>

Called when a displacement mesh object starts.

The id identifies this displacement mesh resource. Note: disp2dgroups (gradient vectors) are silently skipped in streaming mode. Use DOM mode if gradient vector data is required.

fn on_displacement_vertex(&mut self, _x: f32, _y: f32, _z: f32) -> Result<()>

Called for each vertex in the displacement mesh.

fn on_displacement_triangle( &mut self, _triangle: &DisplacementTriangle, ) -> Result<()>

Called for each triangle in the displacement mesh.

fn on_displacement_normal(&mut self, _nx: f32, _ny: f32, _nz: f32) -> Result<()>

Called for each normal vector in the displacement mesh.

fn on_end_displacement_mesh(&mut self) -> Result<()>

Called when a displacement mesh ends.

fn on_start_build(&mut self) -> Result<()>

Called when the build container starts.

fn on_end_build(&mut self) -> Result<()>

Called when the build container ends.

fn on_build_item(&mut self, _item: &BuildItem) -> Result<()>

Called for each item in the build.

Implementors