-
Notifications
You must be signed in to change notification settings - Fork 234
/
figure.js
1330 lines (1212 loc) · 56.6 KB
/
figure.js
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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
var widgets = require("@jupyter-widgets/base")
var _ = require("underscore")
var THREE = require("three")
var THREEtext2d = require("three-text2d")
var glm = require("gl-matrix")
var d3 = require("d3")
var screenfull = require("screenfull")
require('./style.css')
// same strategy as: ipywidgets/jupyter-js-widgets/src/widget_core.ts, except we use ~
// so that N.M.x is allowed (we don't care about x, but we assume 0.2.x is not compatible with 0.3.x
var semver_range = require('./utils.js').semver_range;
var axis_names = ['x', 'y', 'z']
var styles = require('../data/style.json')
var scatter = require('./scatter.js')
var mesh = require('./mesh.js')
//
window.THREE = THREE;
//window.THREEx = {};
require("./three/OrbitControls.js")
require("./three/TrackballControls.js")
require("./three/DeviceOrientationControls.js")
require("./three/StereoEffect.js")
require("./three/THREEx.FullScreen.js")
require("./three/CombinedCamera.js")
ndarray = require('ndarray')
function is_ndarray(obj) {
// not sure how to approach this, this will do for the moment
return (typeof obj.shape != "undefined") && (typeof obj.data != "undefined")
}
var shaders = {}
shaders["cube_fragment"] = require('raw-loader!../glsl/cube-fragment.glsl');
shaders["cube_vertex"] = require('raw-loader!../glsl/cube-vertex.glsl');
shaders["box_fragment"] = require('raw-loader!../glsl/box-fragment.glsl');
shaders["box_vertex"] = require('raw-loader!../glsl/box-vertex.glsl');
shaders["texture_fragment"] = require('raw-loader!../glsl/texture-fragment.glsl');
shaders["texture_vertex"] = require('raw-loader!../glsl/texture-vertex.glsl');
shaders["volr_fragment"] = require('raw-loader!../glsl/volr-fragment.glsl');
shaders["volr_vertex"] = require('raw-loader!../glsl/volr-vertex.glsl');
shaders["screen_fragment"] = require('raw-loader!../glsl/screen-fragment.glsl');
shaders["screen_vertex"] = require('raw-loader!../glsl/screen-vertex.glsl');
function to_rgb(color) {
color = new THREE.Color(color)
return [color.r, color.g, color.b]
}
// similar to _.bind, except it
// puts this as first argument to f, followed be other arguments, and make context f's this
function bind_d3(f, context) {
return function() {
var args = [this].concat([].slice.call(arguments)) // convert argument to array
f.apply(context, args)
}
}
var download_image = function(data) {
var a = document.createElement('a')
a.download = 'ipyvolume.png'
a.href = data
// see https://stackoverflow.com/questions/18480474/how-to-save-an-image-from-canvas
if (document.createEvent) {
e = document.createEvent("MouseEvents");
e.initMouseEvent("click", true, true, window,
0, 0, 0, 0, 0, false, false, false,
false, 0, null);
a.dispatchEvent(e);
} else if (lnk.fireEvent) {
a.fireEvent("onclick");
}
}
function SelectText(element) {
var doc = document;
if (doc.body.createTextRange) {
var range = document.body.createTextRange();
range.moveToElementText(element);
range.select();
} else if (window.getSelection) {
var selection = window.getSelection();
var range = document.createRange();
range.selectNodeContents(element);
selection.removeAllRanges();
selection.addRange(range);
}
}
var copy_image_to_clipboard = function(data) {
// https://stackoverflow.com/questions/27863617/is-it-possible-to-copy-a-canvas-image-to-the-clipboard
var img = document.createElement('img');
img.contentEditable = true;
img.src = data
var div = document.createElement('div');
div.contentEditable = true;
div.appendChild(img);
document.body.appendChild(div);
// do copy
SelectText(img);
document.execCommand('Copy');
document.body.removeChild(div);
}
ToolIcon = function(className, parent) {
this.a = document.createElement('a')
this.a.className = 'ipyvolume-toolicon'
this.a.setAttribute('href', 'javascript:void(0)')
this.li = document.createElement('li')
this.li.className = 'fa ' + className
this.a.appendChild(this.li)
parent.appendChild(this.a)
this.active = (state) => {
if(state)
this.li.classList.remove('fa-inactive')
else
this.li.classList.add('fa-inactive')
}
}
var FigureView = widgets.DOMWidgetView.extend( {
render: function() {
this.transitions = []
this._update_requested = false
this.update_counter = 0
var width = this.model.get("width");
var height = this.model.get("height");
this.toolbar_div = document.createElement('div')
this.el.appendChild(this.toolbar_div)
var keydown = _.bind(this._special_keys_down, this);
var keyup = _.bind(this._special_keys_up, this)
document.addEventListener("keydown", keydown);
document.addEventListener("keyup", keyup);
this.once('remove', () => {
//console.log('remove key listeners')
document.removeEventListener('keydown', keydown)
document.removeEventListener('keyup', keyup)
})
// set up fullscreen button
// this is per view, so it's not exposed on the python side
// which is ok, since it can only be triggered from a UI action
this.fullscreen_icon = new ToolIcon('fa-arrows-alt', this.toolbar_div)
this.fullscreen_icon.a.title = 'Fullscreen'
this.fullscreen_icon.a.onclick = _.bind(function() {
var el = this.renderer.domElement
var old_width = el.style.width
var old_height = el.style.height
var restore = _.bind(function() {
if(!screenfull.isFullscreen) {
el.style.width = old_width;
el.style.height = old_height
screenfull.off('change', restore)
} else {
el.style.width = '100vw'
el.style.height = '100vh'
}
this.update_size()
}, this)
screenfull.onchange(restore)
screenfull.request(el);
}, this);
this.stereo_icon = new ToolIcon('fa-eye', this.toolbar_div)
this.stereo_icon.a.title = 'Stereoscopic view'
this.stereo_icon.a.onclick = _.bind(function() {
this.model.set('stereo', !this.model.get('stereo'))
this.model.save_changes()
}, this)
this.stereo_icon.active(this.model.get('stereo'))
this.model.on('change:stereo', () => {
this.stereo_icon.active(this.model.get('stereo'))
})
this.screenshot_icon = new ToolIcon('fa-picture-o', this.toolbar_div)
this.screenshot_icon.a.title = 'Make screensot (hold shift to copy to clipboard)'
this.screenshot_icon.a.onclick = (event) => {
try {
var data = this.screenshot()
if(event.shiftKey) {
copy_image_to_clipboard(data)
} else {
download_image(data)
}
} finally { // make sure we don't open a new window when we hold shift
event.preventDefault()
return false;
}
}
window.ipvss = () => {
var data = this.screenshot()
//download_image(data)
return data
}
this.camera_control_icon = new ToolIcon('fa-arrow-up', this.toolbar_div)
this.camera_control_icon.a.title = 'Camera locked to \'up\' axis (orbit), instead of trackball mode'
this.camera_control_icon.a.onclick = () => {
var mode = this.model.get('camera_control')
if(mode == 'trackball') {
var mode = this.model.get('camera_control')
this.model.set('camera_control', 'orbit')
this.camera_control_icon.active(true)
} else {
this.model.set('camera_control', 'trackball')
this.camera_control_icon.active(false)
}
this.model.save_changes()
}
this.camera_control_icon.active(false)
this.select_icon = new ToolIcon('fa-pencil-square-o', this.toolbar_div)
this.select_icon.a.title = 'Select mode (auto when control key is pressed)'
this.select_icon.a.onclick = () => {
}
this.select_icon.active(false)
this.reset_icon = new ToolIcon('fa-refresh', this.toolbar_div)
this.reset_icon.a.title = 'Reset view'
var initial_angle_x = this.model.get('anglex')
var initial_angle_y = this.model.get('angley')
var initial_angle_z = this.model.get('anglez')
var initial_fov = this.model.get("camera_fov")
this.reset_icon.a.onclick = () => {
this.model.set({anglex: initial_angle_x,
angley: initial_angle_y,
anglez: initial_angle_z,
camera_fov: initial_fov})
this.model.save_changes()
}
// set up WebGL using threejs
this.renderer = new THREE.WebGLRenderer({antialias: true});
this.el.classList.add("jupyter-widgets");
this.el.appendChild(this.renderer.domElement);
this.el.setAttribute('tabindex', '1') // make sure we can have focus
// el_mirror is a 'mirror' dom tree that d3 needs
// we use it to attach axes and tickmarks to the dom
// which reflect the objects in the scene
this.el_mirror = document.createElement("div")
this.el.appendChild(this.el_mirror);
this.el_axes = document.createElement("div")
this.el_mirror.appendChild(this.el_axes);
//const VIEW_ANGLE = this.model.get("camera_fov");
//const aspect = width / height;
const NEAR = 0.01;
const FAR = 10000;
const orthoNEAR = -500;
const orthoFAR = 1000;
this.camera = new THREE.CombinedCamera(
window.innerWidth/2,
window.innerHeight/2,
this.model.get("camera_fov"),
//aspect,
NEAR,
FAR,
orthoNEAR,
orthoFAR
);
//this.camera.toOrthographic()
this.camera_stereo = new THREE.StereoCamera()
this.renderer.setSize(width, height);
this.renderer_stereo = new THREE.StereoEffect(this.renderer);
this.renderer_selected = this.renderer_stereo;
this.box_geo = new THREE.BoxBufferGeometry(1, 1, 1)
//this.box_material = new THREE.MeshLambertMaterial({color: 0xCC0000});
this.box_material = new THREE.ShaderMaterial({
fragmentShader: shaders["box_fragment"],
vertexShader: shaders["box_vertex"],
side: THREE.BackSide
});
this.box_mesh = new THREE.Mesh(this.box_geo, this.box_material)
//this.box_mesh.position.z = -5;
this.box_mesh.updateMatrix()
this.box_mesh.matrixAutoUpdate = true
this.box_geo_edges = new THREE.EdgesGeometry( this.box_geo )
this.box_material_wire = new THREE.LineBasicMaterial( { color: 0xffffff, linewidth: 1. } );
this.box_mesh_wire = new THREE.LineSegments(this.box_geo, this.box_material)
var make_line = function(x1, y1, z1, x2, y2, z2, material) {
//var linewidth = 2;
//var material = new THREE.LineBasicMaterial({color: color, linewidth: linewidth});
var geometry = new THREE.Geometry();
geometry.vertices.push(new THREE.Vector3( x1, y1, z1 ), new THREE.Vector3( x2, y2, z2));
return new THREE.Line( geometry, material );
}
var make_axis = function(x, y, z, material) {
return make_line(-0.5, -0.5, -0.5 , -0.5+x, -0.5+y, -0.5+z, material)
}
var linewidth = 1;
this.axes_material = new THREE.LineBasicMaterial({color: "cyan", linewidth: linewidth});
this.xaxes_material = new THREE.LineBasicMaterial({color: "red", linewidth: linewidth});
this.yaxes_material = new THREE.LineBasicMaterial({color: "green", linewidth: linewidth});
this.zaxes_material = new THREE.LineBasicMaterial({color: "blue", linewidth: linewidth});
this.x_axis = make_axis(1, 0, 0, this.xaxes_material)
this.y_axis = make_axis(0, 1, 0, this.yaxes_material)
this.z_axis = make_axis(0, 0, 1, this.zaxes_material)
this.axes = new THREE.Object3D()
this.axes.add(this.x_axis)
this.axes.add(this.y_axis)
this.axes.add(this.z_axis)
this.wire_box = new THREE.Object3D()
var grey = 0xCCccCC;
//this.wire_box.add(make_line(-0.5, -0.5, -0.5, -0.5+1, -0.5, -0.5, grey))
this.wire_box.add(make_line(-0.5, -0.5+1, -0.5, -0.5+1, -0.5+1, -0.5, this.axes_material))
this.wire_box.add(make_line(-0.5, -0.5, -0.5+1, -0.5+1, -0.5, -0.5+1, this.axes_material))
this.wire_box.add(make_line(-0.5, -0.5+1, -0.5+1, -0.5+1, -0.5+1, -0.5+1, this.axes_material))
//this.wire_box.add(make_line(-0.5, -0.5, -0.5, -0.5, -0.5+1, -0.5, this.axes_material))
this.wire_box.add(make_line(-0.5+1, -0.5, -0.5, -0.5+1, -0.5+1, -0.5, this.axes_material))
this.wire_box.add(make_line(-0.5, -0.5, -0.5+1, -0.5, -0.5+1, -0.5+1, this.axes_material))
this.wire_box.add(make_line(-0.5+1, -0.5, -0.5+1, -0.5+1, -0.5+1, -0.5+1, this.axes_material))
//this.wire_box.add(make_line(-0.5, -0.5, -0.5, -0.5, -0.5, -0.5+1, this.axes_material))
this.wire_box.add(make_line(-0.5+1, -0.5, -0.5, -0.5+1, -0.5, -0.5+1, this.axes_material))
this.wire_box.add(make_line(-0.5, -0.5+1, -0.5, -0.5, -0.5+1, -0.5+1, this.axes_material))
this.wire_box.add(make_line(-0.5+1, -0.5+1, -0.5, -0.5+1, -0.5+1, -0.5+1, this.axes_material))
// set a good intial z for any fov angle
// see maartenbreddels/ipyvolume#40 for explanation
this.camera.position.z = 2 * this.getTanDeg(45/2) / this.getTanDeg(this.model.get("camera_fov")/2)
// d3 data
this.axes_data = [
{name: 'x', label: 'x', object: null, object_label: null, translate: [ 0.0, -0.5, -0.5], rotate: [Math.PI/4, 0, 0], rotation_order: 'XYZ'},
{name: 'y', label: 'y', object: null, object_label: null, translate: [-0.5, 0.0, -0.5], rotate: [Math.PI*3/4, 0, Math.PI/2], rotation_order: 'ZXY'},
{name: 'z', label: 'z', object: null, object_label: null,translate: [-0.5, -0.5, 0.0], rotate: [-Math.PI/8, -Math.PI/2, 0], rotation_order: 'YZX'}
]
this.ticks = 5; //hardcoded for now
this.scene = new THREE.Scene();
//this.scene.add(this.camera);
this.scene.add(this.box_mesh)
this.scene_scatter = new THREE.Scene();
//this.scene_scatter.add(this.camera);
this.scene_opaque = new THREE.Scene();
//this.scene_opaque.add(this.camera);
this.scene_opaque.add(this.wire_box)
this.scene_opaque.add(this.axes)
var render_width = width;
var render_height = height;
if(this.model.get("stereo"))
render_width /= 2;
render_width /= this.model.get("downscale")
render_height /= this.model.get("downscale")
this.back_texture = new THREE.WebGLRenderTarget( render_width, render_height, { minFilter: THREE.LinearFilter, magFilter: THREE.NearestFilter});
this.front_texture = new THREE.WebGLRenderTarget( render_width, render_height, { minFilter: THREE.LinearFilter, magFilter: THREE.NearestFilter});
this.volr_texture = new THREE.WebGLRenderTarget( render_width, render_height, { minFilter: THREE.LinearFilter, magFilter: THREE.NearestFilter});
this.screen_texture = this.volr_texture
this.screen_scene = new THREE.Scene();
this.screen_plane = new THREE.PlaneBufferGeometry( 1.0, 1.0 );
this.screen_material = new THREE.ShaderMaterial( {
uniforms: { tex: { type: 't', value: this.front_texture.texture } },
vertexShader: shaders["screen_vertex"],
fragmentShader: shaders["screen_fragment"],
depthWrite: false
} );
this.screen_mesh = new THREE.Mesh(this.screen_plane, this.screen_material );
this.screen_scene.add(this.screen_mesh)
this.screen_camera = new THREE.OrthographicCamera( 1 / - 2, 1 / 2, 1 / 2, 1 / - 2, -10000, 10000 );
this.screen_camera.position.z = 10;
// we rely here on these events listeners to be executed before those of the controls
// since we disable the controls, seems to work on chrome
this.renderer.domElement.addEventListener('mousedown', _.bind(this._mouse_down, this), false);
this.renderer.domElement.addEventListener('mousemove', _.bind(this._mouse_move, this), false);
window.addEventListener('mouseup', _.bind(this._mouse_up, this), false);
this.capture_mouse = false
this.mouse_trail = [] // list of x, y positions
this.control_trackball = new THREE.TrackballControls( this.camera, this.renderer.domElement );
this.control_orbit = new THREE.OrbitControls( this.camera, this.renderer.domElement );
this.control_trackball.dynamicDampingFactor = 1.
this.control_trackball.noPan = true;
this.control_orbit.enablePan = false;
this.control_orbit.dampingFactor = 1.
this.control_trackball.enabled = this.model.get('camera_control') == 'trackball'
this.control_orbit.enabled = this.model.get('camera_control') == 'orbit'
this.control_orbit.rotateSpeed = 0.5
this.control_trackball.rotateSpeed = 0.5
this.control_trackball.zoomSpeed = 3.
//this.controls_device = controls = new THREE.DeviceOrientationControls( this.box_mesh );
window.addEventListener( 'deviceorientation', _.bind(this.on_orientationchange, this), false );
//window.addEventListener( 'deviceorientation', _.bind(this.update, this), false );
//this.controls.
this.texture_loader = new THREE.TextureLoader()
this.texture_tf = null;//new THREE.DataTexture(null, this.model.get("tf").get("rgba").length, 1, THREE.RGBAFormat, THREE.UnsignedByteType)
this.box_material_volr = new THREE.ShaderMaterial({
uniforms: {
front: { type: 't', value: null },
back : { type: 't', value: null },
volume : { type: 't', value: null },
transfer_function : { type: 't', value: this.texture_tf },
brightness : { type: "f", value: 2. },
data_min : { type: "f", value: 0. },
data_max : { type: "f", value: 1. },
volume_rows : { type: "f", value: 8. },
volume_columns : { type: "f", value: 16. },
volume_slices : { type: "f", value: 128. },
volume_size : { type: "2f", value: [2048., 1024.] },
volume_slice_size : { type: "2f", value: [128., 128.] },
ambient_coefficient : { type: "f", value: this.model.get("ambient_coefficient") },
diffuse_coefficient : { type: "f", value: this.model.get("diffuse_coefficient") },
specular_coefficient : { type: "f", value: this.model.get("specular_coefficient") },
specular_exponent : { type: "f", value: this.model.get("specular_exponent") },
render_size : { type: "2f", value: [render_width, render_height] },
},
blending: THREE.CustomBlending,
blendSrc: THREE.SrcAlphaFactor,
blendDst: THREE.OneMinusSrcAlphaFactor,
blendEquation: THREE.AddEquation,
transparent: true,
fragmentShader: shaders["volr_fragment"],
vertexShader: shaders["volr_vertex"],
side: THREE.BackSide
});
//this.volume_changed()
this.update_size()
this.tf_set()
this.data_set()
var that = this;
//*
this.el.addEventListener( 'change', _.bind(this.update, this) ); // remove when using animation loop
this.model.on('change:xlabel change:ylabel change:zlabel change:camera_control', this.update, this);
this.model.on('change:render_continuous', this.update, this)
this.model.on('change:style', this.update, this);
this.model.on('change:xlim change:ylim change:zlim ', this.update, this);
this.model.on('change:xlim change:ylim change:zlim ', this._save_matrices, this);
this.model.on('change:downscale', this.update_size, this);
this.model.on('change:stereo', this.update_size, this);
this.model.on('change:anglex change:angley change:anglez', this.update_current_control, this);
this.model.on('change:angle_order', this.update_current_control, this)
this.model.on('change:volume_data', this.data_set, this);
this.model.on('change:eye_separation', this.update, this)
this.model.on('change:camera_fov', this.update_current_control, this)
this.model.on('change:width', this.update_size, this);
this.model.on('change:height', this.update_size, this);
this.model.on('change:ambient_coefficient', this.update_light, this);
this.model.on('change:diffuse_coefficient', this.update_light, this);
this.model.on('change:specular_coefficient', this.update_light, this);
this.model.on('change:specular_exponent', this.update_light, this);
var update_center = () => {
// WARNING: we cheat a little by setting the scene positions (hence the minus) since it is
// easier, might get us in trouble later?
_.each([this.scene_opaque, this.scene_scatter, this.scene], (scene) => {
var pos = this.model.get('camera_center');
scene.position.set(-pos[0], -pos[1], -pos[2])
})
this.update()
}
this.model.on('change:camera_center', update_center)
update_center()
this.model.on('change:tf', this.tf_set, this)
this.listenTo(this.model, 'msg:custom', _.bind(this.custom_msg, this));
this.control_trackball.addEventListener( 'end', _.bind(this.update_angles, this) );
this.control_orbit.addEventListener( 'end', _.bind(this.update_angles, this) );
this.control_trackball.addEventListener( 'change', _.bind(this.update, this) );
this.control_orbit.addEventListener( 'change', _.bind(this.update, this) );
this.renderer.domElement.addEventListener( 'resize', _.bind(this.on_canvas_resize, this), false );
this.update()
this.meshes = []
this.scatters = [] /*new widgets.ViewList(_.bind(function add(model) {
console.log("adding")
console.log(model)
scatter_view = new ScatterView()
scatter_view.model = model
scatter_view.options = _.pick(this.options, 'register_update', 'renderer_id')
scatter_view.initialize({options:scatter_view.options})
scatter_view.render()
return scatter_view
//this.model.widget_manager.
var view_promise = this.create_child_view(model, _.pick(this.options, 'register_update', 'renderer_id'))
console.log("view promise" +view_promise)
return Promose.resolve()
/*return view_promise.then(_.bind(function(view) {
console.log("added view")
console.log(view)
this.update();
return view;
}, this));
}, this),
_.bind(function remove(view) {
console.log("removing scatter from scene")
view.remove_from_scene()
view.remove()
}, this)
)*/
this.model.on('change:scatters', this.update_scatters, this)
this.update_scatters()
this.model.on('change:meshes', this.update_meshes, this)
this.update_meshes()
function onWindowResize(){
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
window.last_volume = this;
//navigator.wakeLock.request("display")
//ensure initial sync of view with figure model
this.update_current_control();
this.update_light();
//this.el.addEventListener("mousedown", _.bind(this._special_keys_down, this));
//this.el.addEventListener("keyup", _.bind(this._special_keys_up, this));
var stream = this.renderer.domElement.captureStream()
this.model.stream = Promise.resolve(stream)
window.last_figure_stream = (stream)
//console.log('set this figure as last stream')
// keep track over hover status manually
this.renderer.domElement.onmouseover = () => {
//console.log('hover')
this.hover = true
}
this.renderer.domElement.onmouseleave = () => {
//console.log('!hover')
this.hover = false
}
},
setStyle: function() {
// ignore original style setting, our style != a style widget
},
_mouse_down: function(e) {
//console.log('mouse down', e)
window.last_event = e
if(e.ctrlKey) {
console.log('pressed ctrl and mouse down')
this.capture_mouse = true
this.control_trackball.enabled = false
this.control_orbit.enabled = false
}
},
_mouse_move: function(e) {
if (!e)
var e = event;
var mouseX, mouseY;
if (e.offsetX) {
mouseX = e.offsetX;
mouseY = e.offsetY;
}
else if (e.layerX) {
mouseX = e.layerX;
mouseY = e.layerY;
}
if(this.capture_mouse)
this.mouse_trail.push([mouseX, mouseY])
},
_mouse_up: function(e) {
if(this.capture_mouse) {
this.control_trackball.enabled = true
this.control_orbit.enabled = true
this.capture_mouse = false
var data = {}
var canvas = this.renderer.domElement
data['pixel'] = this.mouse_trail
// gl's normalized device coordinates, [-1, 1]
data['device'] = _.map(this.mouse_trail, function(xy) {
return [xy[0] / canvas.clientWidth * 2 - 1, 1 - xy[1] / canvas.clientHeight * 2]
}, this)
this.send({event: 'lasso', data: data});
// send event..
this.mouse_trail = []
}
},
_special_keys_down: function(e) {
var evtobj = window.event? event : e
if(evtobj.altKey) {
//console.log('pressed alt', this.hover)
}
if(evtobj.keyCode == 17) { // ctrl
//console.log('pressed ctrl', this.hover)
if(this.hover) {
this.select_icon.active(true)
}
}
},
_special_keys_up: function(e) {
var evtobj = window.event? event : e
if(evtobj.altKey) {
//console.log('released alt', this.hover)
}
if(evtobj.keyCode == 17) { // ctrl
//console.log('released ctrl', this.hover)
this.select_icon.active(false)
}
},
custom_msg: function(content) {
if(content.msg == 'screenshot') {
var data = this.screenshot(undefined, content.width, content.height)
this.send({event: 'screenshot', data: data});
}
},
screenshot: function(mime_type, width, height) {
var resize = width && height
try {
if(resize)
this._update_size(true, width, height)
this._real_update()
var data = this.renderer.domElement.toDataURL(mime_type || 'image/png');
console.info("captured screenshot")
return data
} finally {
if(resize)
this._update_size(false)
}
},
_d3_add_axis: function(node, d, i) {
//console.log("add axis", d, i)
var axis = new THREE.Object3D()
axis.translateX(d.translate[0])
axis.translateY(d.translate[1])
axis.translateZ(d.translate[2])
d3.select(node).attr("translate-x", d.translate[0])
d3.select(node).attr("translate-y", d.translate[1])
d3.select(node).attr("translate-z", d.translate[2])
//this.axis_x.rotateY(Math.PI/2)
axis.rotation.reorder(d.rotation_order)
axis.rotation.x = d.rotate[0]
axis.rotation.y = d.rotate[1]
axis.rotation.z = d.rotate[2]
this.axes.add(axis)
var s = 0.01*0.4
// TODO: puzzled by the align not working as expected..
var aligns = {x: THREEtext2d.textAlign.topRight, y:THREEtext2d.textAlign.topRight, z:THREEtext2d.textAlign.center}
var label = new THREEtext2d.SpriteText2D(d.label, { align: aligns[d.name], font: '30px Arial', fillStyle: '#00FF00', antialias: true })
label.material.transparent = true
label.material.alphaTest = 0.01
label.scale.set(s,s,s)
axis.add(label)
d.object_label = label;
d.object = axis;
d.scale = d3.scaleLinear().domain(this.model.get(d.name + "lim")).range([-0.5, 0.5])
d.ticks = null
},
_d3_update_axis: function(node, d, i) {
//console.log("update axis", d, this.model.get(d.name + "lim"))
d.object_label.text = d.label;
d.object_label.fillStyle = d.fillStyle;
var n = d.name // x, y or z
d.object_label.fillStyle = this.get_style('axes.' +n +'.label.color axes.' +n +'.color axes.label.color axes.color')
d.object_label.visible = this.get_style( 'axes.' +n +'.label.visible axes.' +n +'.visible axes.label.visible axes.visible')
d.scale = d3.scaleLinear().domain(this.model.get(d.name + "lim")).range([-0.5, 0.5])
},
_d3_add_axis_tick: function(node, d, i) {
//console.log("add tick", d, node, d3.select(d3.select(node).node().parentNode))
var parent_data = d3.select(d3.select(node).node().parentNode).datum(); // TODO: find the proper way to do so
var scale = parent_data.scale;
var tick_format = scale.tickFormat(this.ticks, ".1f");
var tick_text = tick_format(d.value);
// TODO: puzzled by the align not working as expected..
var aligns = {x: THREEtext2d.textAlign.topRight, y:THREEtext2d.textAlign.topRight, z:THREEtext2d.textAlign.center}
var sprite = new THREEtext2d.SpriteText2D(tick_text, { align: aligns[parent_data.name], font: '30px Arial', fillStyle: '#00FF00', antialias: true })
sprite.material.transparent = true
//sprite.material.alphaTest = 0.1
sprite.blending = THREE.CustomBlending
sprite.blendSrc = THREE.SrcAlphaFactor
sprite.blendDst = THREE.OneMinusSrcAlphaFactor
sprite.blendEquation = THREE.AddEquation
var s = 0.01*0.4*0.5;
//sprite.position.x = scale(d.value)
//sprite.scale.set(s,s,s)
sprite.scale.multiplyScalar(s)
var n = parent_data.name // x, y or z
sprite.fillStyle = this.get_style('axes.' +n +'.ticklabel.color axes.ticklabel.color axes.' +n +'.color axes.color')
parent_data.object.add(sprite)
d.object_ticklabel = sprite;
return sprite
sprite.text = tick_text[i]
sprite.fillStyle = this.model.get("style")[parent_data.name + 'axis.color']
},
_d3_update_axis_tick: function(node, d, i) {
var parent_data = d3.select(d3.select(node).node().parentNode).datum(); // TODO: find the proper way to do so
//console.log("update tick", d, i, parent_data)
var scale = parent_data.scale;
var tick_format = scale.tickFormat(this.ticks, ".1f");
var tick_text = tick_format(d.value);
d.object_ticklabel.text = tick_text
d.object_ticklabel.position.x = scale(d.value)
var n = parent_data.name // x, y or z
d.object_ticklabel.fillStyle = this.get_style('axes.' +n +'.ticklabel.color axes.ticklabel.color axes.' +n +'.color axes.color')
d.object_ticklabel.visible = this.get_style('axes.' +n +'.ticklabel.visible axes.' +n +'.visible axes.visible')
//d.object_ticklabel.fillStyle = this.model.get("style")[parent_data.name + 'axis.color']
},
_d3_remove_axis_tick: function(node, d, i) {
//console.log("remove tick", d, i)
d.object_ticklabel.text = "" // TODO: removing and adding new tick marks will result in just many empty text sprites
},
update_scatters: function() {
if(this.scatter_views) {
this.scatter_views.forEach((scatter) => {
scatter.remove_from_scene()
})
}
var scatters = this.model.get('scatters');
if(scatters) {
//this.scatters.update(scatters);
this.scatter_views = _.map(scatters, function(model) {
var options = {parent: this}
var scatter_view = new scatter.ScatterView({options: options, model: model})
scatter_view.render()
return scatter_view
}, this)
} else {
scatter_views = []
}
},
update_meshes: function() {
if(this.mesh_views) {
this.mesh_views.forEach((mesh) => {
mesh.remove_from_scene()
})
}
var meshes = this.model.get('meshes');
if(meshes) {
//this.meshes.update(meshes);
this.mesh_views = _.map(meshes, function(model) {
var options = {parent: this}
var mesh_view = new mesh.MeshView({options: options, model: model})
mesh_view.render()
return mesh_view
}, this)
} else {
mesh_views = []
}
},
transition: function(f, on_done, context) {
var that = this;
var Transition = function() {
//this.objects = []
this.time_start = (new Date()).getTime();
this.duration = that.model.get("animation");
this.cancelled = false;
this.called_on_done = false
this.set = function(obj) {
this.objects.push(obj)
}
this.is_done = function() {
var dt = (new Date()).getTime() - this.time_start;
return (dt >= this.duration) || this.cancelled
}
this.cancel = function() {
this.cancelled = true;
},
this.update = function() {
if(this.cancelled)
return
var dt = ((new Date()).getTime() - this.time_start)/this.duration;
var u = Math.min(1, dt);
u = Math.pow(u, that.model.get("animation_exponent"))
f.apply(context, [u]);
if(dt >= 1 && !this.called_on_done) {
this.called_on_done = true
on_done.apply(context)
}
}
that.transitions.push(this)
}
return new Transition()
},
on_orientationchange: function(e) {
/*this.box_mesh.rotation.reorder( "ZXY" );
this.box_mesh.rotation.y = -e.alpha * Math.PI / 180;
this.box_mesh.rotation.x = -(e.gamma * Math.PI / 180 + Math.PI*2);
this.box_mesh.rotation.z = -(e.beta * Math.PI / 180 + Math.PI*2);
this.box_mesh.rotation.z = -((e.alpha-180) * Math.PI / 180);
this.box_mesh.rotation.x = -(e.beta * Math.PI / 180 + Math.PI*2);
this.box_mesh.rotation.y = -(e.gamma * Math.PI / 180 + Math.PI*2);*/
_.each([this.scene, this.scene_opaque, this.scene_scatter], function(scene){
scene.rotation.reorder( "XYZ" );
scene.rotation.x = (e.gamma * Math.PI / 180 + Math.PI*2);
scene.rotation.y = -(e.beta * Math.PI / 180 + Math.PI*2);
scene.rotation.z = -((e.alpha) * Math.PI / 180);
}, this)
this.update()
},
on_canvas_resize: function(event) {
//console.log(event)
},
keypress: function(event) {
var code = event.keyCode || event.which;
if (event.keyCode == 27) {
}
if (event.key == 'f') {
}
},
update_angles: function() {
//console.log("camera", this.camera.rotation)
var rotation = new THREE.Euler().setFromQuaternion(this.camera.quaternion, this.model.get('angle_order'));
this.model.set({anglex: rotation.x, angley: rotation.y, anglez: rotation.z})
this.model.save_changes()
this._save_matrices()
this.update()
},
_get_scale_matrix: function() {
// go from [0, 1] to [-0.5, 0.5]
var matrix = new THREE.Matrix4()
matrix.makeTranslation(-0.5, -0.5, -0.5)
var matrix_scale = new THREE.Matrix4()
var x = this.model.get('xlim')
var y = this.model.get('ylim')
var z = this.model.get('zlim')
var sx = 1/(x[1] - x[0])
var sy = 1/(y[1] - y[0])
var sz = 1/(z[1] - z[0])
matrix_scale.makeScale(sx, sy, sz)
var translation = new THREE.Matrix4()
translation.makeTranslation(-x[0], -y[0], -z[0])
matrix.multiply(matrix_scale)
matrix.multiply(translation)
return matrix;
},
_get_view_matrix() {
// we don't really properly use the worldmatrix, rendering threejs's frustum culling
// useless, we maybe should change this
// https://github.com/mrdoob/three.js/issues/78#issuecomment-846917
var view_matrix = this.camera.matrixWorldInverse.clone()
view_matrix.multiply(this._get_scale_matrix().clone())
return view_matrix;
},
_save_matrices: function() {
this.model.set('matrix_projection', this.camera.projectionMatrix.elements.slice())
this.model.set('matrix_world', this._get_view_matrix().elements.slice())
//console.log('setting matrices')
this.model.save_changes()
},
getTanDeg: function(deg) {
var rad = deg * Math.PI/180;
return Math.tan(rad);
},
update_current_control: function() {
var euler = new THREE.Euler(this.model.get('anglex'), this.model.get('angley'), this.model.get('anglez'), this.model.get('angle_order'))
//console.log("updating camera", euler)
var q = new THREE.Quaternion().setFromEuler(euler)
//this.camera.quaternion = q
var oldfov = this.camera.fov
var newfov = this.model.get("camera_fov")
this.camera.setFov(newfov);
var target = new THREE.Vector3()
var distance = this.camera.position.length()
// change distance to account for new fov angle
// see maartenbreddels/ipyvolume#40 for explanation
var newdist = distance * this.getTanDeg(oldfov/2) / this.getTanDeg(newfov/2)
var eye = new THREE.Vector3(0, 0, 1);
var up = new THREE.Vector3(0, 1, 0);
eye.applyQuaternion(q)
eye.multiplyScalar(newdist)
this.camera.position.copy(eye)
this.camera.up = up
this.camera.up.applyQuaternion(q)
this.camera.lookAt(target);
this.control_trackball.position0 = this.camera.position.clone()
this.control_trackball.up0 = this.camera.up.clone()
this.control_trackball.reset()
//console.log("updating camera", q, this.camera, eye, distance, up, this.camera.position)
this._save_matrices()
this.update()
},
update: function() {
// requestAnimationFrame stacks, so make sure multiple update calls only lead to 1 _real_update call
if(!this._update_requested) {
this._update_requested = true
requestAnimationFrame(_.bind(this._real_update, this))
}
},
_real_update: function() {
//this.controls_device.update()
this.control_trackball.handleResize()
this.control_trackball.enabled = this.model.get('camera_control') == 'trackball'
this.control_orbit.enabled = this.model.get('camera_control') == 'orbit'
this._update_requested = false
this.renderer.setClearColor(this.get_style_color('background-color'))
this.x_axis.visible = this.get_style('axes.x.visible axes.visible')
this.y_axis.visible = this.get_style('axes.y.visible axes.visible')
this.z_axis.visible = this.get_style('axes.z.visible axes.visible')
this.axes_material.color = this.get_style_color('axes.color')
this.xaxes_material.color = this.get_style_color('axes.x.color axes.color')
this.yaxes_material.color = this.get_style_color('axes.y.color axes.color')
this.zaxes_material.color = this.get_style_color('axes.z.color axes.color')
this.axes_data[0].fillStyle = this.get_style('axes.x.color axes.color')
this.axes_data[1].fillStyle = this.get_style('axes.y.color axes.color')
this.axes_data[2].fillStyle = this.get_style('axes.z.color axes.color')
this.axes_data[0].label = this.model.get("xlabel")
this.axes_data[1].label = this.model.get("ylabel")
this.axes_data[2].label = this.model.get("zlabel")
this.wire_box.visible = this.get_style('box.visible')
d3.select(this.el_axes).selectAll(".ipyvol-axis")
.data(this.axes_data)
.each(bind_d3(this._d3_update_axis, this))
.enter()
.append("div")
.attr("class", "ipyvol-axis")
.each(bind_d3(this._d3_add_axis, this));
var that = this;
this.ticks = 5
this.last_tick_selection = d3.select(this.el_axes).selectAll(".ipyvol-axis").data(this.axes_data).selectAll(".ipyvol-tick").data(
function(d, i, node) {
var child_data = d.ticks
if(child_data) {
child_data = d.ticks = child_data.slice()
var ticks = d.scale.ticks(that.ticks)
while(child_data.length < ticks.length) // ticks may return a larger array, so grow child data
child_data.push({})
while(child_data.length > ticks.length) // ticks may return a smaller array, so pop child data
child_data.pop()
_.each(ticks, function(tick, i) {
child_data[i].value = tick;
});
return child_data
} else {
var scale = d.scale;
var ticks = scale.ticks(that.ticks)
var child_data = _.map(ticks, function(value) { return {value: value}});
d.ticks = child_data;
return child_data;
}
})
this.last_tick_selection
.each(bind_d3(this._d3_update_axis_tick, this))
.enter()
.append("div")
.attr("class", "ipyvol-tick")
.each(bind_d3(this._d3_add_axis_tick, this))
this.last_tick_selection
.exit()
.remove()
.each(bind_d3(this._d3_remove_axis_tick, this))
var transitions_todo = []
for(var i = 0; i < this.transitions.length; i++) {
var t = this.transitions[i];
if(!t.is_done())
transitions_todo.push(t)
t.update()
}