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Topics include: line generators, affine transformations, line and polygon clipping, splines, interactive techniques, perspective projection, solid modeling, hidden surface algorithms, lighting models, shading, and animation.

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In spatial analytic geometry,a spatial curve is an intersecting line of two curved surfaces.

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On the basis of analytic geometry, the projection curve types of intersection lines of cone and cylikder, cone and cone on V plane is hyperbola and cone and sphere is parabola.

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Based on the characteristic of multi resolution of wavelets analysis, a effective method for displaying any cross section from coarse to fine resolution is presented; Based on OpenGL, the paper improved Ray-Casting arithmetic and footprint arithmetic considering the characteristic of seismic data; After introducing the characteristic of geology data and the process of seismic interpretation, the paper presents a theory frame of 3D geological interpretation software and partly realize the frame.

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The article narrates teaching methods of point, line and surface according to one hexahedron.

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In this paper, an efficient algorithm is proposed to rebuild polyhedral model by constructing its faces using constraints and rules recognize from the shape structure and planes projection.

文中根據(jù)實(shí)體構(gòu)成和平面投影的約束和規(guī)則重建顯式表達(dá)的面，并進(jìn)一步推導(dǎo)出隱式表達(dá)的面av福利在线网站，從而得到完整的形體邊界模型图片小说视频日韩欧美。

Transparent di splay pattern of 3-d us imaging were used to observe the solid lesions in solid organs.

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In order to obtain the correct height reconstruction of a measured object through the traditional Fourier transform profilometry, the connecting-line between the exit pupil of the projecting lens and the entrance pupil of the imaging lens must be horizontal and set to parallel to the reference plane.

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