-
-
Notifications
You must be signed in to change notification settings - Fork 484
/
util.ts
225 lines (203 loc) · 6.81 KB
/
util.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
import {linspace} from "@bokehjs/core/util/array"
import {Enum} from "@bokehjs/core/kinds"
export const ARRAY_TYPES = {
uint8: Uint8Array,
int8: Int8Array,
uint16: Uint16Array,
int16: Int16Array,
uint32: Uint32Array,
int32: Int32Array,
float32: Float32Array,
float64: Float64Array,
}
export type DType = keyof typeof ARRAY_TYPES
export const vtkns: any = {}
export function setup_vtkns(): void {
if (vtkns.Actor != null) {
return
}
const vtk = (window as any).vtk
Object.assign(vtkns, {
Actor: vtk.Rendering.Core.vtkActor,
AxesActor: vtk.Rendering.Core.vtkAxesActor,
Base64: vtk.Common.Core.vtkBase64,
BoundingBox: vtk.Common.DataModel.vtkBoundingBox,
Camera: vtk.Rendering.Core.vtkCamera,
ColorTransferFunction: vtk.Rendering.Core.vtkColorTransferFunction,
CubeSource: vtk.Filters.Sources.vtkCubeSource,
DataAccessHelper: vtk.IO.Core.DataAccessHelper,
DataArray: vtk.Common.Core.vtkDataArray,
Follower: vtk.Rendering.Core.vtkFollower,
FullScreenRenderWindow: vtk.Rendering.Misc.vtkFullScreenRenderWindow,
Glyph3DMapper: vtk.Rendering.Core.vtkGlyph3DMapper,
HttpSceneLoader: vtk.IO.Core.vtkHttpSceneLoader,
ImageData: vtk.Common.DataModel.vtkImageData,
ImageMapper: vtk.Rendering.Core.vtkImageMapper,
ImageProperty: vtk.Rendering.Core.vtkImageProperty,
ImageSlice: vtk.Rendering.Core.vtkImageSlice,
InteractiveOrientationWidget: vtk.Widgets.Widgets3D.vtkInteractiveOrientationWidget,
InteractorStyleTrackballCamera: vtk.Interaction.Style.vtkInteractorStyleTrackballCamera,
Light: vtk.Rendering.Core.vtkLight,
LineSource: vtk.Filters.Sources.vtkLineSource,
LookupTable: vtk.Common.Core.vtkLookupTable,
macro: vtk.macro,
Mapper: vtk.Rendering.Core.vtkMapper,
OpenGLRenderWindow: vtk.Rendering.OpenGL.vtkRenderWindow,
OrientationMarkerWidget: vtk.Interaction.Widgets.vtkOrientationMarkerWidget,
OutlineFilter: vtk.Filters.General.vtkOutlineFilter,
PiecewiseFunction: vtk.Common.DataModel.vtkPiecewiseFunction,
PixelSpaceCallbackMapper: vtk.Rendering.Core.vtkPixelSpaceCallbackMapper,
PlaneSource: vtk.Filters.Sources.vtkPlaneSource,
PointSource: vtk.Filters.Sources.vtkPointSource,
PolyData: vtk.Common.DataModel.vtkPolyData,
Property: vtk.Rendering.Core.vtkProperty,
Renderer: vtk.Rendering.Core.vtkRenderer,
RenderWindow: vtk.Rendering.Core.vtkRenderWindow,
RenderWindowInteractor: vtk.Rendering.Core.vtkRenderWindowInteractor,
SphereMapper: vtk.Rendering.Core.vtkSphereMapper,
SynchronizableRenderWindow: vtk.Rendering.Misc.vtkSynchronizableRenderWindow,
Texture: vtk.Rendering.Core.vtkTexture,
Volume: vtk.Rendering.Core.vtkVolume,
VolumeController: vtk.Interaction.UI.vtkVolumeController,
VolumeMapper: vtk.Rendering.Core.vtkVolumeMapper,
VolumeProperty: vtk.Rendering.Core.vtkVolumeProperty,
WidgetManager: vtk.Widgets.Core.vtkWidgetManager,
})
const {vtkObjectManager} = vtkns.SynchronizableRenderWindow
vtkObjectManager.setTypeMapping(
"vtkVolumeMapper",
vtkns.VolumeMapper.newInstance,
vtkObjectManager.oneTimeGenericUpdater,
)
vtkObjectManager.setTypeMapping(
"vtkSmartVolumeMapper",
vtkns.VolumeMapper.newInstance,
vtkObjectManager.oneTimeGenericUpdater,
)
vtkObjectManager.setTypeMapping(
"vtkFollower",
vtkns.Follower.newInstance,
vtkObjectManager.genericUpdater,
)
vtkObjectManager.setTypeMapping(
"vtkOpenGLGlyph3DMapper",
vtkns.Glyph3DMapper.newInstance,
vtkObjectManager.genericUpdater,
)
}
if ((window as any).vtk) {
setup_vtkns()
}
declare type RGBnode = {
x: number
r: number
g: number
b: number
}
export type ColorMapper = {
palette: string[]
low: number
high: number
}
export const Interpolation = Enum("fast_linear", "linear", "nearest")
export type Interpolation = typeof Interpolation["__type__"]
export type Annotation = {
id: string
viewport: number[]
fontSize: number
fontFamily: string
color: number[]
LowerLeft?: string
LowerRight?: string
UpperLeft?: string
UpperRight?: string
LowerEdge?: string
RightEdge?: string
LeftEdge?: string
UpperEdge?: string
}
export declare type CSSProperties = {[key: string]: string}
export declare type VolumeType = {
buffer: string
dims: number[]
dtype: DType
spacing: number[]
origin: number[] | null
extent: number[] | null
}
export function applyStyle(el: HTMLElement, style: CSSProperties) {
Object.keys(style).forEach((key: any) => {
el.style[key] = style[key]
})
}
export function hexToRGB(color: string): number[] {
return [
parseInt(color.slice(1, 3), 16) / 255,
parseInt(color.slice(3, 5), 16) / 255,
parseInt(color.slice(5, 7), 16) / 255,
]
}
function valToHex(val: number): string {
const hex = Math.min(Math.max(Math.round(val), 0), 255).toString(16)
return hex.length == 2 ? hex : `0${hex}`
}
export function rgbToHex(r: number, g: number, b: number): string {
return `#${valToHex(r)}${valToHex(g)}${valToHex(b)}`
}
export function vtkLutToMapper(vtk_lut: any): ColorMapper {
//For the moment only linear colormapper are handle
const {scale, nodes} = vtk_lut.get("scale", "nodes")
if (scale !== vtkns.ColorTransferFunction.Scale.LINEAR) {
throw new Error("Error transfer function scale not handle")
}
const x = (nodes as RGBnode[]).map((a: RGBnode) => a.x)
const low = Math.min(...x)
const high = Math.max(...x)
const vals = linspace(low, high, 255)
const rgb = [0, 0, 0]
const palette = vals.map((val) => {
vtk_lut.getColor(val, rgb)
return rgbToHex(rgb[0] * 255, rgb[1] * 255, rgb[2] * 255)
})
return {low, high, palette}
}
function utf8ToAB(utf8_str: string): ArrayBuffer {
const buf = new ArrayBuffer(utf8_str.length) // 2 bytes for each char
const bufView = new Uint8Array(buf)
for (let i = 0, strLen = utf8_str.length; i < strLen; i++) {
bufView[i] = utf8_str.charCodeAt(i)
}
return buf
}
export function data2VTKImageData(data: VolumeType): any {
const source = vtkns.ImageData.newInstance({
spacing: data.spacing,
})
source.setDimensions(data.dims)
source.setOrigin(
data.origin != null ? data.origin : data.dims.map((v: number) => v / 2),
)
const dataArray = vtkns.DataArray.newInstance({
name: "scalars",
numberOfComponents: 1,
values: new ARRAY_TYPES[data.dtype as DType](utf8ToAB(atob(data.buffer))),
})
source.getPointData().setScalars(dataArray)
return source
}
export function majorAxis(
vec3: number[],
idxA: number,
idxB: number,
): number[] {
const axis = [0, 0, 0]
const idx = Math.abs(vec3[idxA]) > Math.abs(vec3[idxB]) ? idxA : idxB
const value = vec3[idx] > 0 ? 1 : -1
axis[idx] = value
return axis
}
export function cartesian_product(...arrays: any) {
return arrays.reduce((acc: any, curr: any) => {
return [...acc].flatMap((c: any) => curr.map((n: any) => [].concat(c, n)))
})
}