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Exporting matrix positions for After Effects

[2 Replies]
- 05-Jan-2012 10:04 AM
- Forum: Contributed Library Questions
Hi,

Has anyone written an easy way to export positions from Processing to After Effects? I'm experimenting with some augmented reality scripts, where a marker's position can be grabbed in 3D, and an object positioned on top of it - e.g. here: http://vimeo.com/34618110

I've managed to get the matrix positions echoing to the debug window, using printMatrix(); but I'm wondering if there's an easier way to get the movement data into After Effects, and maybe someone has already written some scripts to achieve this?

Many thanks,

Tom

Code is below:
1. /**
2. NyARToolkit for proce55ing/1.0.0
3. (c)2008-2011 nyatla
4. airmail(at)ebony.plala.or.jp
6. 最も短いARToolKitのコードです。
7. Hiroマーカを用意してください。
9. This sample program is most small sample as simpleLite.
10. The marker is "patt.hiro".
11. */
12. import processing.video.*;
13. import processing.core.*;
14. import jp.nyatla.nyar4psg.*;
17. import processing.opengl.*;
18. import saito.objloader.*;
19. OBJModel model;
21. Capture cam;
22. MultiMarker nya;
24. PrintWriter output; // for text logging
27. void setup() {
28. output = createWriter("log_1.txt");
29. frameRate(25);
30. size(640,480,P3D);
31. colorMode(RGB, 100);
32. println(MultiMarker.VERSION);
33. cam=new Capture(this,640,480);
34. nya=new MultiMarker(this,width,height,"camera_para.dat",NyAR4PsgConfig.CONFIG_PSG);
35. nya.addARMarker("patt.hiro",80);
37. model = new OBJModel(this, "cassini.obj", "relative", TRIANGLES);
38. model.enableDebug();
40. model.scale(5);
41. //model.translateToCenter();
42. }
44. void draw()
45. {
46. if (cam.available() !=true) {
47. return;
48. }
49. cam.read();
50. nya.detect(cam);
51. background(0);
52. lights();
53. nya.drawBackground(cam);//frustumを考慮した背景描画
54. if((!nya.isExistMarker(0))){
55. return;
56. }
57. nya.beginTransform(0);
58. //translate(width/2, height/2, 0);
61. for(int i = -1; i < 2; i ++){
62. pushMatrix();
63. //translate(-1, 1, -1);
64. rotateX(radians(270));
65. rotateY(radians(0));
66. rotateZ(radians(0));
67. model.draw();
68. printMatrix(); // print value to screen
69. popMatrix();
70. }
73. noFill();
74. stroke(255,0,255);
75. noStroke();
76. // where the print used to be
77. nya.endTransform();
78. }
80. void exit(){
81. output.close(); // close log file
82. }

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