The UV API. The mesh is taken from the current room. If paint or UV rooms is active, the mesh is taken from the paint room, otherwise the mesh is taken from the Retopo room. More...

#include <CoreAPI.h>

Static Public Member Functions
static int	uvSetsCount ()
	get the UV-sets count.

static void	setUnwrapIslandsDistance (float distance)
	set the border around the islands when we pack it

static float	getUnwrapIslandsDistance ()
	get the border around the islands when we pack it

static int	currentUvSet ()
	get the current uv-set index

static int	islandsCount (int uv_set)
	get the islands count over the current uv-set

static Mesh	islandToMesh (int uv_set, int island_index)
	get the mesh that contains the island, xy of each point is the UV coordinate. The mesh contains only one island

static Mesh	islandToMeshInSpace (int uv_set, int island_index)
	get the mesh that contains the island, each point is the coordinate in space (not the uv coordinate!). The mesh contains only one island. The faces correspond to the faces of the mesh that was got by islandToMesh

static std::vector< int >	getIslandVertexMapping (int uv_set, int island_index)
	get the mapping from the vertex index in the mesh that was got by islandToMesh to the vertex index in the original mesh

static std::vector< int >	getIslandBorder (int uv_set, int island_index)
	get unsorted list of edges on the border of the island

static std::vector< int >	getBorderBetweenIslands (int uv_set1, int island_index1, int uv_set2, int island_index2)
	get the border between two islands

static vec2	getIslandVertexUv (int uv_set, int island_index, int vertex_index)
	get the uv coordinate of the positional vertex in the island

static Mesh	flattenSingleIsland (const Mesh &mesh, int method, bool optimize_rotation=true, bool scale_to_geometry=true)
	Flatten the mesh that consists of the single island.

static void	meshToIsland (const Mesh &mesh, int uv_set, int island_index)
	use the mesh (that was previously got by islandToMesh) to replace the island in the current uv-set

static void	pack (int uv_set, bool rotate, bool shuffle)
	pack the islands in the current uv-set

static void	unwrap (int uv_set)
	unwrap the current uv-set

static void	toAbf (int uv_set, int island_index)
	unwrap the island using the ABF approach

static void	toLscm (int uv_set, int island_index)
	unwrap the island using the LSCM approach

static void	toGu (int uv_set, int island_index)
	unwrap the island using the GU (Globally Uniform) approach

static void	toPlanar (int uv_set, int island_index)
	unwrap the island using the Planar approach

static void	toStripe (int uv_set, int island_index)
	try to uwrap the island as the regular stripe

static void	toUvSet (int uv_set, int island_index, int destination_uv_set)
	move the island from one uv-set to another one

static Mesh	getWholeMesh ()
	get the whole mesh from the paint/UV/Retopo room - in dependence on current room

static Mesh	selectedToMesh ()
	get the selected faces as the Mesh object

static std::vector< int >	getSeams ()
	get all seams across the mesh

static void	addSeam (DWORDS2 start_vertex_index, int end_vertex_index)
	add the seam to the mesh

static void	removeSeam (int start_vertex_index, int end_vertex_index)
	remove the seam from the mesh

static std::vector< int >	getSharpEdges ()
	get the sharp edges across the mesh

static void	addSharpEdge (int start_vertex_index, int end_vertex_index)
	add the sharp edge to the mesh

static void	removeSharpEdge (int start_vertex_index, int end_vertex_index)
	remove the sharp edge from the mesh

static void	unwrapUnassigned ()
	re-wrap/extend islands in correspondence to the changed seams and inserted faces. Pay attention, that it may lead to islands intersection.

static void	applyUVSet ()
	apply uv changes to the paint room mesh (if we use uv/paint context)

Detailed Description

The UV API. The mesh is taken from the current room. If paint or UV rooms is active, the mesh is taken from the paint room, otherwise the mesh is taken from the Retopo room.

Examples: TreesGenerator.cpp.

Member Function Documentation

◆ addSeam()

static void coat::uv::addSeam	(	DWORDS2	start_vertex_index,
		int	end_vertex_index )

static

add the seam to the mesh

Parameters

start_vertex_index	the start positional vertex index
end_vertex_index	the end positional vertex index

◆ addSharpEdge()

static void coat::uv::addSharpEdge	(	int	start_vertex_index,
		int	end_vertex_index )

static

add the sharp edge to the mesh

Parameters

start_vertex_index	the start positional vertex index
end_vertex_index	the end positional vertex index

◆ currentUvSet()

static int coat::uv::currentUvSet ( )

static

get the current uv-set index

Returns: the index

◆ flattenSingleIsland()

static Mesh coat::uv::flattenSingleIsland	(	const Mesh &	mesh,
		int	method,
		bool	optimize_rotation = true,
		bool	scale_to_geometry = true )

static

Flatten the mesh that consists of the single island.

Parameters

mesh	the mesh that consists of the single island
method	the flattening method. 0 - flatten to the plane, 1 - LSCM, 2 - ABF, 3 - GU, 4 - Stripe (if possible)
optimize_rotation	optimize the rotation of the island, place it approximately horizontally or vertically
scale_to_geometry	scale the island to keep average edge length equal to the average edge length of the original mesh

Returns: the flat mesh

◆ getBorderBetweenIslands()

static std::vector< int > coat::uv::getBorderBetweenIslands	(	int	uv_set1,
		int	island_index1,
		int	uv_set2,
		int	island_index2 )

static

get the border between two islands

Parameters

uv_set1	the uv set index of the first island
island_index1	the island index within the uv set of the first island
uv_set2	the uv set index of the second island
island_index2	the island index within the uv set of the second island

Returns: the list of edges that are common for both islands, even amount of elements, each pair of elements is the positional vertex indices of the original mesh

◆ getIslandBorder()

static std::vector< int > coat::uv::getIslandBorder	(	int	uv_set,
		int	island_index )

static

get unsorted list of edges on the border of the island

Parameters

uv_set	the uv set index
island_index	the island index within the uv set

Returns: the list of edges, even amount of elements, each pair of elements is the positional vertex indices of the original mesh

◆ getIslandVertexMapping()

static std::vector< int > coat::uv::getIslandVertexMapping	(	int	uv_set,
		int	island_index )

static

get the mapping from the vertex index in the mesh that was got by islandToMesh to the vertex index in the original mesh

Parameters

uv_set	the uv set index
island_index	the island index within the uv set

Returns: the list of the positional vertex indices of the original mesh in same order as the vertices in the mesh that was got by islandToMesh

◆ getIslandVertexUv()

static vec2 coat::uv::getIslandVertexUv	(	int	uv_set,
		int	island_index,
		int	vertex_index )

static

get the uv coordinate of the positional vertex in the island

Parameters

uv_set	the uv set index
island_index	the island index within the uv set
vertex_index	the positional vertex index

Returns: the uv coordinate of the vertex, vec2(0,0) if the vertex is not in the island

◆ getSeams()

static std::vector< int > coat::uv::getSeams ( )

static

get all seams across the mesh

Returns: the list of integer values, each value is the index of the vertex in the mesh, the even index is start of the seam, the odd index is the end of the seam

◆ getSharpEdges()

static std::vector< int > coat::uv::getSharpEdges ( )

static

get the sharp edges across the mesh

Returns: the list of integer values, each value is the index of the vertex in the mesh, the even index is start of the edge, the odd index is the end of the edge

◆ getUnwrapIslandsDistance()

static float coat::uv::getUnwrapIslandsDistance ( )

static

get the border around the islands when we pack it

Returns: the border size in percents

◆ getWholeMesh()

static Mesh coat::uv::getWholeMesh ( )

static

get the whole mesh from the paint/UV/Retopo room - in dependence on current room

Returns: the whole paint or retopo mesh (in dependence on current room)

◆ islandsCount()

static int coat::uv::islandsCount ( int uv_set )

static

get the islands count over the current uv-set

Parameters

uv_set the uv-set index

Returns: teh islands count

◆ islandToMesh()

static Mesh coat::uv::islandToMesh	(	int	uv_set,
		int	island_index )

static

get the mesh that contains the island, xy of each point is the UV coordinate. The mesh contains only one island

Parameters

uv_set	the uv set index
island_index	the island index within the uv set

Returns: the flat mesh

◆ islandToMeshInSpace()

static Mesh coat::uv::islandToMeshInSpace	(	int	uv_set,
		int	island_index )

static

get the mesh that contains the island, each point is the coordinate in space (not the uv coordinate!). The mesh contains only one island. The faces correspond to the faces of the mesh that was got by islandToMesh

Parameters

uv_set	the uv set index
island_index	the island index within the uv set

Returns: mesh the 3D mesh

◆ meshToIsland()

static void coat::uv::meshToIsland	(	const Mesh &	mesh,
		int	uv_set,
		int	island_index )

static

use the mesh (that was previously got by islandToMesh) to replace the island in the current uv-set

Parameters

mesh	the mesh that was previously got by islandToMesh
uv_set	the uv set index
island_index	the island index within the uv set

◆ pack()

static void coat::uv::pack	(	int	uv_set,
		bool	rotate,
		bool	shuffle )

static

pack the islands in the current uv-set

Parameters

uv_set	the uv set index
rotate	allow rotation while packing
shuffle	shuffle the identical islands to avoid the exact overlapping

◆ removeSeam()

static void coat::uv::removeSeam	(	int	start_vertex_index,
		int	end_vertex_index )

static

remove the seam from the mesh

Parameters

start_vertex_index	the start positional vertex index
end_vertex_index	the end positional vertex index

◆ removeSharpEdge()

static void coat::uv::removeSharpEdge	(	int	start_vertex_index,
		int	end_vertex_index )

static

remove the sharp edge from the mesh

Parameters

start_vertex_index	the start positional vertex index
end_vertex_index	the end positional vertex index

◆ selectedToMesh()

static Mesh coat::uv::selectedToMesh ( )

static

get the selected faces as the Mesh object

Returns: the Mesh

◆ setUnwrapIslandsDistance()

static void coat::uv::setUnwrapIslandsDistance ( float distance )

static

set the border around the islands when we pack it

Parameters

distance the border size in percents

◆ toAbf()

static void coat::uv::toAbf	(	int	uv_set,
		int	island_index )

static

unwrap the island using the ABF approach

Parameters

uv_set	the uv set index
island_index	the island index within the uv set

◆ toGu()

static void coat::uv::toGu	(	int	uv_set,
		int	island_index )

static

unwrap the island using the GU (Globally Uniform) approach

Parameters

uv_set	the uv set index
island_index	the island index within the uv set

◆ toLscm()

static void coat::uv::toLscm	(	int	uv_set,
		int	island_index )

static

unwrap the island using the LSCM approach

Parameters

uv_set	the uv set index
island_index	the island index within the uv set

◆ toPlanar()

static void coat::uv::toPlanar	(	int	uv_set,
		int	island_index )

static

unwrap the island using the Planar approach

Parameters

uv_set	the uv set index
island_index	the island index within the uv set

◆ toStripe()

static void coat::uv::toStripe	(	int	uv_set,
		int	island_index )

static

try to uwrap the island as the regular stripe

Parameters

uv_set	the uv set index
island_index	the island index within the uv set

◆ toUvSet()

static void coat::uv::toUvSet	(	int	uv_set,
		int	island_index,
		int	destination_uv_set )

static

move the island from one uv-set to another one

Parameters

uv_set	the source uv set index
island_index	the island index within the source uv set
destination_uv_set	the destination uv set index

◆ unwrap()

static void coat::uv::unwrap ( int uv_set )

static

unwrap the current uv-set

Parameters

uv_set the uv set index

◆ uvSetsCount()

static int coat::uv::uvSetsCount ( )

static

get the UV-sets count.

Returns: the amount

The documentation for this class was generated from the following file:

include/CoreAPI.h

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ addSeam()

◆ addSharpEdge()

◆ currentUvSet()

◆ flattenSingleIsland()

◆ getBorderBetweenIslands()

◆ getIslandBorder()

◆ getIslandVertexMapping()

◆ getIslandVertexUv()

◆ getSeams()

◆ getSharpEdges()

◆ getUnwrapIslandsDistance()

◆ getWholeMesh()

◆ islandsCount()

◆ islandToMesh()

◆ islandToMeshInSpace()

◆ meshToIsland()

◆ pack()

◆ removeSeam()

◆ removeSharpEdge()

◆ selectedToMesh()

◆ setUnwrapIslandsDistance()

◆ toAbf()

◆ toGu()

◆ toLscm()

◆ toPlanar()

◆ toStripe()

◆ toUvSet()

◆ unwrap()

◆ uvSetsCount()