public void OpenFrame(FrameDescription frame)
        {
            this.config.Merge(frame);
            this.OutputSettings = new OutputSettingsInfo(frame);
            this.QualitySettings = new QualitySettingsInfo(frame);

            this.FrameName = frame.FrameName;
            width = frame.Get<int>("ImageWidth");
            height = frame.Get<int>("ImageHeight");
            if (!string.IsNullOrWhiteSpace(frame.WorkingDir))
                Directory.SetCurrentDirectory(frame.WorkingDir);
   
            if (Scene == null) {
                var svc = new SceneGraphService();
                svc.Populate(new GlobalIndexObjLoader(), new MaterialLoader());

                var builder = new SceneBuilder() { SGService = svc };
                builder.Setup();
                this.Scene = builder.OpenFrame(frame, AreaLightAsMeshLight);
                this.Scene.DefaultLightGain = config.Get("LightGain", new RgbSpectrum(1.0f));
                this.Scene.MaxPathDepth = config.Get("MaxPathDepth", 15);
                this.Scene.RussianRuletteImportanceCap = config.Get("RRImportanceCap", 0.75f);
                this.Scene.MaxPaths = config.Get("PathBufferSize", 65536 >> 10);
                this.Scene.ShadowRayCount = config.Get("ShadowRayCount", 16);
                this.Scene.TextureSamplingQuality = this.QualitySettings.TextureSamplingQuality;
                this.Scene.AreaLightAsMesh = this.AreaLightAsMeshLight;
                this.Scene.MatLib = new OptimizedBsdfLibrary();

                this.Scene.MatLib.Populate(builder.MaterialInfos.ToArray());

                (this.Scene.MatLib as OptimizedBsdfLibrary) .Replace("Object_MaterialView_Test", this.ObjectMaterial);
                (this.Scene.MatLib as OptimizedBsdfLibrary).Replace("Plane_Material", this.PlaneMaterial);

                foreach (var brdf in ObjectMaterial.Where(brdf => brdf != null))
                {
                    builder.ProcessMaterial(0, brdf.MaterialData);
                }
                foreach (var brdf in PlaneMaterial.Where(brdf => brdf != null))
                {
                    builder.ProcessMaterial(1, brdf.MaterialData);
                }

                RenderThreadsCount = config.Get("RenderThreadsCount",1);
                this.scene = builder.SceneGeo;

                var sceneBound = new AABB(scene.BoundingSphereCenter - scene.BoundingSphereRadius,
                                          scene.BoundingSphereCenter + scene.BoundingSphereRadius);
                sceneBound.Expand(1f);

                //var viewBound = new AABB(Scene.Camera.Target - 5f, Scene.Camera.Target + 5f);
                Scene.VolumeIntegrator = new SingleScatteringIntegrator(sceneBound, sceneBound.Size.Length / 10f, 0.15f, RgbSpectrum.UnitSpectrum()*0.095f, new RgbSpectrum(0.0005f));
            }
         

            this.Initialize();

        }