blender::geometry::ReverseUVSampler Class Reference

#include <GEO_reverse_uv_sampler.hh>

Classes
struct	LookupGrid
struct	Result

Public Types
enum class	ResultType { None , Ok , Multiple }

Public Member Functions
	ReverseUVSampler (Span< float2 > uv_map, Span< int3 > corner_tris)
	~ReverseUVSampler ()
Result	sample (const float2 &query_uv) const
void	sample_many (Span< float2 > query_uvs, MutableSpan< Result > r_results) const

Detailed Description

Can find the polygon/triangle that maps to a specific uv coordinate.

Note

this uses a trivial implementation currently that has to be replaced.

Definition at line 20 of file GEO_reverse_uv_sampler.hh.

Member Enumeration Documentation

ResultType

enum class blender::geometry::ReverseUVSampler::ResultType

strong

Enumerator
None
Ok
Multiple

Definition at line 34 of file GEO_reverse_uv_sampler.hh.

Constructor & Destructor Documentation

ReverseUVSampler()

blender::geometry::ReverseUVSampler::ReverseUVSampler	(	Span< float2 >	uv_map,
		Span< int3 >	corner_tris )

Definition at line 178 of file reverse_uv_sampler.cc.

References blender::VectorSet< Key, ProbingStrategy, Hash, IsEqual, Slot, Allocator >::add(), blender::Vector< T, InlineBufferCapacity, Allocator >::append(), blender::VectorSet< Key, ProbingStrategy, Hash, IsEqual, Slot, Allocator >::as_span(), blender::geometry::finish_rows(), blender::Span< T >::is_empty(), blender::Bounds< T >::max, blender::Bounds< T >::min, blender::bounds::min_max(), blender::Span< T >::size(), and blender::geometry::sort_tris_into_rows().

~ReverseUVSampler()

blender::geometry::ReverseUVSampler::~ReverseUVSampler ( )

default

Member Function Documentation

sample()

ReverseUVSampler::Result blender::geometry::ReverseUVSampler::sample

(

const float2 &

query_uv

)

const

Definition at line 234 of file reverse_uv_sampler.cc.

References area_tri_v2(), barycentric_coords_v2(), blender::math::clamp(), FLT_MAX, blender::geometry::lookup_tris_in_cell(), Multiple, Ok, and blender::geometry::uv_to_cell().

Referenced by blender::geometry::calc_position_with_interpolation(), and blender::ed::sculpt_paint::SlideOperationExecutor::find_curves_to_slide().

sample_many()

void blender::geometry::ReverseUVSampler::sample_many	(	Span< float2 >	query_uvs,
		MutableSpan< Result >	r_results ) const

Definition at line 302 of file reverse_uv_sampler.cc.

References BLI_assert, blender::Span< T >::index_range(), blender::threading::parallel_for(), blender::MutableSpan< T >::size(), and blender::Span< T >::size().

Referenced by blender::nodes::node_geo_deform_curves_on_surface_cc::deform_curves().

---

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

• GEO_reverse_uv_sampler.hh
• reverse_uv_sampler.cc