Class Shadows (mod)

Contains a vertex shader and supporting functions for drawing shadows of a first hit scan of the displayed volume.

Inheritance

Shadows (mod)

Namespace: Visualization

Assembly: OCTVis.dll

Syntax

module Shadows

Fields

val BackTexSampler

Samples a depth-texture containing the depth of the back faces fo the volume bounding box.

Declaration

val BackTexSampler: Sampler2d

Field Value

Type	Description
FShade.Sampler2d

val dimensions

Declaration

val dimensions: V3d

Field Value

Type	Description
Aardvark.Base.V3d

val FrontTexSampler

Samples a depth-texture containing the depth of the front faces of the volume bounding box.

Declaration

val FrontTexSampler: Sampler2d

Field Value

Type	Description
FShade.Sampler2d

val sampling_level

Declaration

val sampling_level: float

Field Value

Type	Description
float

val shadow_bias

Declaration

val shadow_bias: float

Field Value

Type	Description
float

val VolTexSampler

Samples the OCT Volume we are displaying

Declaration

val VolTexSampler: Sampler3d

Field Value

Type	Description
FShade.Sampler3d

Methods

val calc_normalized_and_length: V3d -> V3d * float

Declaration

[<ReflectedDefinition>]
val calc_normalized_and_length: vec:V3d -> V3d * float

Parameters

Type	Name	Description
Aardvark.Base.V3d	vec

Returns

Type	Description
Aardvark.Base.V3d * float

val computeGradient: Sampler3d -> V3d -> V3d -> float -> V3d

Declaration

[<ReflectedDefinition>]
val computeGradient: smp:Sampler3d -> dims:V3d -> p:V3d -> level:float -> V3d

Parameters

Type	Name	Description
FShade.Sampler3d	smp
Aardvark.Base.V3d	dims
Aardvark.Base.V3d	p
float	level

Returns

Type	Description
Aardvark.Base.V3d

val raymarch: V3d -> V3d -> float -> float -> float -> bool -> V3d -> V3d -> V3d -> V3d -> bool * V3d

Cast a ray in the specified directon and return whether or not a volume above the threshold was hit and the position of where this hit occured.

Declaration

[<ReflectedDefinition>]
val raymarch: start:V3d -> dir:V3d -> step_size:float -> threshhold:float -> max_steps:float -> cut_volume:bool -> n_cut1:V3d -> p0_cut1:V3d -> n_cut2:V3d -> p0_cut2:V3d -> bool * V3d

Parameters

Type	Name	Description
Aardvark.Base.V3d	start	The starting position of the ray.
Aardvark.Base.V3d	dir	The direction the ray is shot in.
float	step_size	The constant step size, with which we sample the ray.
float	threshhold	The threshold above which a voxel is considered to be filled.
float	max_steps	The number of sampling steps to make along the ray.
bool	cut_volume	A boolean flag enabling or disabling volume cutting.
Aardvark.Base.V3d	n_cut1	The normal of the first cutting plane
Aardvark.Base.V3d	p0_cut1	The starting point of the first cutting plane
Aardvark.Base.V3d	n_cut2	The normal of the second cutting plane
Aardvark.Base.V3d	p0_cut2	The starting point of the second cutting plane

Returns

Type	Description
bool * Aardvark.Base.V3d	A tuples containing first a boolean flag, stating whether or not a filled voxel was hit, and secondly, a vector contating the position of where a hit took place or the starting position if there was no hit.

val simple_shadow: Vertex -> Expr<Vertex>

Declaration

val simple_shadow: v:Vertex -> Expr<Vertex>

Parameters

Type	Name	Description
Aardvark.Base.Rendering.Effects.Vertex	v

Returns

Type	Description
FSharp.Quotations.Expr<Aardvark.Base.Rendering.Effects.Vertex>