class Geo::AtlasMeshChart

A chart consists of a connected region of the mesh, which has a mapping into a single connected region in UV space.

Functions

Geo::AtlasMeshChart::AtlasMeshChart

---

public: AtlasMeshChart()

---

Default constructor initialising an empty chart not associated with a mesh.

Geo::AtlasMeshChart::AtlasMeshChart

---

public: AtlasMeshChart
(
    AtlasMesh * mesh,
    const GeoArray< s32 > & triangles
)

---

Construct a chart from a list of mesh triangles.

static AtlasMeshChart* Geo::AtlasMeshChart::CopyForNewMesh

---

public: AtlasMeshChart * CopyForNewMesh
(
    const AtlasMeshChart & chart,
    AtlasMesh * newMesh
)

---

Create a copy of existing chart information for the new mesh.

float Geo::AtlasMeshChart::Get3DArea

---

public: float Get3DArea() const

---

Return the area taken by the 3D mesh spanned by this chart.

AtlasMesh* Geo::AtlasMeshChart::GetMesh

---

public: AtlasMesh * GetMesh()

---

Obtain the mesh that this chart is part of.

const AtlasMesh* Geo::AtlasMeshChart::GetMesh

---

public: const AtlasMesh * GetMesh() const

---

Obtain the mesh that this chart is part of.

s32 Geo::AtlasMeshChart::GetTriangleCount

---

public: s32 GetTriangleCount() const

---

Return the number of triangles that make up this chart.

s32 Geo::AtlasMeshChart::GetTriangleIndex

---

public: s32 GetTriangleIndex
(
    s32 chartTriangleIndex
) const

---

Returns the mesh index for the triangle.

float Geo::AtlasMeshChart::GetUVArea

---

public: float GetUVArea() const

---

Return the area taken in the UV atlas.

s32 Geo::AtlasMeshChart::GetVertexCount

---

public: s32 GetVertexCount() const

---

Obtain the number of vertices that make up the triangles in this chart.

Returns

The number of vertices contained in the chart.

s32 Geo::AtlasMeshChart::GetVertexIndex

---

public: s32 GetVertexIndex
(
    s32 chartVertexIndex
) const

---

Obtain the mesh index for a vertex given the chart index for it.

Returns

The index that this vertex has in the mesh.

Parameters

s32 Geo::AtlasMeshChart::GetVertexIndexInChart

---

public: s32 GetVertexIndexInChart
(
    s32 meshVertexIndex
) const

---

Obtain the chart index for vertex given the mesh index for it.

Returns

The chart index for the vertex, or -1 if it is not in the chart.

Parameters

bool Geo::AtlasMeshChart::RemakeUVChart

---

public: bool RemakeUVChart
(
    float meshArea,
    bool forceLSCM,
    bool * parametised
)

---

Create a 2D parametrisation of the 3D submesh represented by the chart.

Parameters

bool Geo::AtlasMeshChart::RescaleUVChart

---

public: bool RescaleUVChart
(
    float meshArea
)

---

Rescale the chart to make 2D area match 3D area.

Parameters