我们开始做头部的时候，在前视图加上简单的轮廓图片做参考。
We started making the head, using the frontal image and a simple profile view for reference.
对参数化图形提出了基于搜索痕迹的视图轮廓信息重建方法。
A method of rebuilding the view outline information is presented for generating parametric drawings based on searching traces.
用轻细的6H铅笔线绘制主要的中心线和视图大体的轮廓框。
Draw the main center lines and block in the general outline of the views with light, sharp 6h pencil lines.
在虚拟环境中，对象阴影的轮廓与在光源位置对对象的观察视图相同。
In virtual environment, the object shadow silhouette is same as the perspective view at the position of light.
在此基础上，笔者充分利用先验条件和专家知识来确定飞机模型上的同名点，初步得到了飞机模型的轮廓侧视图。
On this basis, the priori conditions and the expert knowledge have been used for seeking the corresponding points. Finally, a model side outline is obtained.
视图轮廓信息和封闭图形信息在图形处理中有着重要的作用。
The outline information and closed graph information of view plays an important role in processing graphics.
为三维旋转选择在Illustrator中，我们需要创建前端视图轮廓，物体的形状我们希望。
For the 3d Revolve Options in Illustrator, we need to create the front view outline shape of the object we want.
视图轮廓信息在图形处理中有着重要的作用。
The outline information plays an important role in processing graphics.
就像你看到的，只有一半轨迹被扫描，因为是从轮廓曲线中点的位置开始的，选择面，然后在俯视图中进行镜像，如下图。
As you can see, only half of the rail is swept, because the sweep starts from middle, where the profile curve is positioned. Select the surface and mirror it in the Top viewport as shown below.
就像你看到的，只有一半轨迹被扫描，因为是从轮廓曲线中点的位置开始的，选择面，然后在俯视图中进行镜像，如下图。
As you can see, only half of the rail is swept, because the sweep starts from middle, where the profile curve is positioned. Select the surface and mirror it in the Top viewport as shown below.
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