2016-10-07 82 views
0

如何获取当前视图并将视图设置为正确视图?将正视图设置为视图

我尝试使用viewer.getCamera()来获取当前设置视图的参数,然后使用viewer.applyCamera()进行设置。

var camera = viewer.getCamera(); 
console.log('Camera: ' + JSON.stringify(camera)); 

它返回:

Camera: { 
    "metadata": {"version":4.3,"type":"Object","generator":"ObjectExporter"}, 
    "object":{"uuid":"78D2EA86-853B-473F-9E0E-E3F0C8874E40", 
    "type":"Camera", 
    "matrix":[1,0,0,0,0,1,0.00009999999747378752,0,0,-0.00009999999747378752,1,0,114010.796875,88329.0078125,135503.609375,1], 
    "children":[ 
     {"uuid":"53C7FA49-B00C-4616-9E7A-CCB94A661A45", 
     "type":"DirectionalLight", 
     "color":8355711,"intensity":0, 
     "matrix":1,0,0,0,0,1,0,0,0,0,1,0,-0.5,0.20000000298023224,0.05999999865889549,1]}, 
     { 
      "uuid":"7D5EC244-7268-4190-8480-4BD1DD56F8CB", 
      "type":"Object3D","matrix":[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1] 
     }]}} 

然后我试图设定,随着 “矩阵” 数组作为参数,可以但视图跳跃。

viewer.setViewFromArray(params); 

回答

1

我遵循数组的格式与来自当前摄像头的数据并通过viewer.setViewFromArray应用它们。我保留了所有其他参数,但只将最后一个参数设置为1(正值)。它看起来很适合我。

viewerApp.myCurrentViewer.setViewFromArray([ 
    viewerApp.myCurrentViewer.getCamera().position.x, 
    viewerApp.myCurrentViewer.getCamera().position.y, 
    viewerApp.myCurrentViewer.getCamera().position.z, 
    viewerApp.myCurrentViewer.getCamera().target.x, 
    viewerApp.myCurrentViewer.getCamera().target.y, 
    viewerApp.myCurrentViewer.getCamera().target.z, 
    viewerApp.myCurrentViewer.getCamera().up.x, 
    viewerApp.myCurrentViewer.getCamera().up.y, 
    viewerApp.myCurrentViewer.getCamera().up.z, 
    viewerApp.myCurrentViewer.getCamera().aspect, 
    viewerApp.myCurrentViewer.getCamera().fov, 
    1, 
    1 
]); 

您还可以检查源Viewer3D.js以获取工作流如何setViewFromArray工作。

Viewer3D.prototype.setViewFromArray =函数(参数,可以名称){....}

如果只想切换透视图和正视之间的视图中,可以使用直接API:

Viewer.navigation.toOrthographic()

Viewer.navigation.toPerspective()

+0

嗨晓东, 只是想知道为什么Viewer.navigation.toOrthographic(),使相机动物园m变成对象(并读取代码,它实际上移动了相机的位置)? – Afshin