FLARToolkit 閾値の値をスライダーにより調整(Thresholed Changer)
「閾値の値をスライダーにより調整できるサンプル」
* Threshold Change Slider
*
* ２値化するために使用している閾値をスライダで調整。
* デフォルトは80。
* 範囲は0~255(だとおもうが,0に設定したときに真っ黒にならないなぁ)
*
* ┏━━━━━┓
* ┃┏━━━┓┃
* ┃┃ F L ┃┃ www.romatica.com/dev/resource/flarlogo-marker.pdf
* ┃┃ A R ┃┃
* ┃┗━━━┛┃
* ┗━━━━━┛
* ┏━━━━━━┓
* ┃┏━━━━┓┃
* ┃┃ ┃┃ www.romatica.com/dev/resource/hiro-marker.pdf
* ┃┃ Hiro ┃┃
* ┃┗━━━━┛┃
* ┗━━━━━━┛
*
/**
* Copyright romatica ( http://wonderfl.net/user/romatica )
* GNU General Public License, v3 ( http://www.gnu.org/licenses/quick-guide-gplv3.html )
* Downloaded from: http://wonderfl.net/c/tG45
*/
// forked from romatica's FLARToolkit 2値化された解析画像を表示確認（thresholded BitmapData of source image）
// forked from tarotarorg's FLARToolKit Multi Marker Sample(FLAR, Hiro)
/*
* 「閾値の値をスライダーにより調整できるサンプル」
* Threshold Change Slider
*
* ２値化するために使用している閾値をスライダで調整。
* デフォルトは80。
* 範囲は0~255(だとおもうが,0に設定したときに真っ黒にならないなぁ)
*
* ┏━━━━━┓
* ┃┏━━━┓┃
* ┃┃ F L ┃┃ www.romatica.com/dev/resource/flarlogo-marker.pdf
* ┃┃ A R ┃┃
* ┃┗━━━┛┃
* ┗━━━━━┛
* ┏━━━━━━┓
* ┃┏━━━━┓┃
* ┃┃ ┃┃ www.romatica.com/dev/resource/hiro-marker.pdf
* ┃┃ Hiro ┃┃
* ┃┗━━━━┛┃
* ┗━━━━━━┛
*
*/
package {
import com.bit101.components.HUISlider;
import org.libspark.flartoolkit.core.FLARCode;
import org.libspark.flartoolkit.core.param.FLARParam;
import org.libspark.flartoolkit.core.raster.rgb.FLARRgbRaster_BitmapData;
import org.libspark.flartoolkit.core.transmat.FLARTransMatResult;
import org.libspark.flartoolkit.detector.FLARMultiMarkerDetector;
import org.libspark.flartoolkit.support.pv3d.*;
import org.papervision3d.lights.PointLight3D;
import org.papervision3d.materials.shadematerials.FlatShadeMaterial;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.objects.primitives.*;
import org.papervision3d.render.LazyRenderEngine;
import org.papervision3d.scenes.Scene3D;
import org.papervision3d.view.Viewport3D;
import flash.display.*;
import flash.events.*;
import flash.media.*;
import flash.net.URLLoader;
import flash.net.URLLoaderDataFormat;
import flash.net.URLRequest;
public class MultiMarker_ThersholdChanger extends Sprite {
protected var _param : FLARParam;
protected var _code : FLARCode;
protected var _raster : FLARRgbRaster_BitmapData;
protected var _detector : FLARMultiMarkerDetector;
protected var _webcam : Camera;
protected var _video : Video;
protected var _capture : Bitmap;
protected var _base : Sprite;
protected var _viewport : Viewport3D;
protected var _camera3d : FLARCamera3D;
protected var _scene : Scene3D;
protected var _renderer : LazyRenderEngine;
protected var _markerNodes : Array;
protected var _resultMat : FLARTransMatResult = new FLARTransMatResult();
protected var _detectedResults : Array;
protected var therBMD : Bitmap;
private var _patternCodeURLArr : Array;
private var _patterLoadCount : int = 0
private var markerPatternCodeArr : Array;
private var slider_thershod : HUISlider;
private var _threshold : int = 80;
public function MultiMarker_ThersholdChanger() {
_param = new FLARParam();
_param.changeScreenSize(320, 240);
//パターンファイルURL
_patternCodeURLArr = []
_patternCodeURLArr.push("http://assets.wonderfl.net/static/flar/flarlogo.pat")
_patternCodeURLArr.push("http://www.romatica.com/dev/resource/hiro.pat")
markerPatternCodeArr = [];
// マーカーパターンファイルの読込み
for (var i : int = 0;i < _patternCodeURLArr.length;i++) {
var urlLoader : URLLoader = new URLLoader();
urlLoader.dataFormat = URLLoaderDataFormat.TEXT;
urlLoader.addEventListener(Event.COMPLETE, this.onLoadCheckCodes);
urlLoader.load(new URLRequest(_patternCodeURLArr[i]));
}
}
//パターンファイルロードカウントチェック
private function onLoadCheckCodes(event : Event) : void {
markerPatternCodeArr[_patterLoadCount] = new FLARCode(16, 16, 50, 50);
markerPatternCodeArr[_patterLoadCount].loadARPatt(event.target.data);
_patterLoadCount++;
if(_patterLoadCount >= _patternCodeURLArr.length) {
trace("ALL PATTERN LOADED");
_initCamera_FLAR();
_initPV3D();
}
}
//カメラとFLARセット
private function _initCamera_FLAR() : void {
// setup webcam
_webcam = Camera.getCamera();
if (!_webcam) {
throw new Error('No webcam!!!!');
}
_webcam.setMode(320, 240, 30);
_video = new Video(320, 240);
_video.attachCamera(_webcam);
_capture = new Bitmap(new BitmapData(320, 240, false, 0), PixelSnapping.AUTO, true);
// setup ARToolkit
_raster = new FLARRgbRaster_BitmapData(_capture.bitmapData);
_detector = new FLARMultiMarkerDetector(_param, markerPatternCodeArr, [80, 80], 2);
_detector.setContinueMode(true);
}
//PV3Dセット
private function _initPV3D() : void {
_base = addChild(new Sprite()) as Sprite;
_base.addChild(_capture);
_viewport = _base.addChild(new Viewport3D(320, 240)) as Viewport3D;
_viewport.x = -4; // 4pix ???
_camera3d = new FLARCamera3D(_param);
_scene = new Scene3D();
_markerNodes = new Array();
_markerNodes[0] = _scene.addChild(new FLARBaseNode()) as FLARBaseNode;
_markerNodes[1] = _scene.addChild(new FLARBaseNode()) as FLARBaseNode;
// マーカー上に表示するものを定義
var light : PointLight3D = new PointLight3D();
light.x = 0;
light.y = 1000;
light.z = -1000;
var flarFmat : FlatShadeMaterial = new FlatShadeMaterial(light, 0xFF0000, 0x660000);
var flarCube : Cube = new Cube(new MaterialsList({ all:flarFmat }), 40, 40, 40);
flarCube.z = 20;
_markerNodes[0].addChild(flarCube);
var hiroFmat : FlatShadeMaterial = new FlatShadeMaterial(light, 0x00FF00, 0x006600);
var hiroCube : Cube = new Cube(new MaterialsList({ all:hiroFmat }), 40, 40, 40);
hiroCube.z = 20;
_markerNodes[1].addChild(hiroCube);
_renderer = new LazyRenderEngine(_scene, _camera3d, _viewport);
this._detectedResults = new Array();
for (var j : int = 0;j < _markerNodes.length;j++) {
this._detectedResults[j] = { confidence:0, index:0 };
}
//2値化画像と、しきい値変更UIをセット
setVisibleThersholdeImage();
addEventListener(Event.ENTER_FRAME, _onEnterFrame);
//Wonderfl.capture_delay(20);
}
//2値化画像と、スライダー作成
private function setVisibleThersholdeImage() : void {
therBMD = addChild(new Bitmap(_detector.thresholdedBitmapData)) as Bitmap;
therBMD.y = stage.stageHeight - therBMD.height;
slider_thershod = new HUISlider(this, 10, 30, "Thershold", function(e : Event):void {
_threshold = int(e.currentTarget.value);
});
slider_thershod.y = 250;
slider_thershod.minimum = 0;
slider_thershod.maximum = 255;
slider_thershod.value = 80;
addChild(slider_thershod)
}
private function _onEnterFrame(e : Event = null) : void {
_capture.bitmapData.draw(_video);
var detectedMarkers : int;
try {
detectedMarkers = _detector.detectMarkerLite(_raster, _threshold);
} catch (e : Error) {
}
for (var i : int = 0;i < detectedMarkers;i++) {
var confidence : Number = _detector.getConfidence(i);
var codeIndex : int = _detector.getARCodeIndex(i);
if (this._detectedResults[codeIndex].confidence < confidence) {
this._detectedResults[codeIndex].confidence = confidence;
this._detectedResults[codeIndex].index = i;
}
}
for (var k : int = 0;k < this._detectedResults.length;k++) {
var node : FLARBaseNode = _markerNodes[k] as FLARBaseNode;
if (this._detectedResults[k].confidence > 0.5) {
_detector.getTransmationMatrix(this._detectedResults[k].index, _resultMat);
node.setTransformMatrix(_resultMat);
node.visible = true;
} else {
node.visible = false;
}
this._detectedResults[k].index = 0;
this._detectedResults[k].confidence = 0;
}
_renderer.render();
}
}
}