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What is CAD
Drawings created with Computer-Aided Design (CAD) tools, which were introduced in the 1960s, represented tremendous productivity gains over paper drawings, such as ease to revise and archive. CAD tools also opened new opportunities, such as enabling manufacturing instructions to be derived automatically and executed directly from the drawing. Nevertheless, as computer design and manufacturing tools proliferated to meet increasingly complex and diverse engineering needs, so did the formats that each tool used to capture and store product data. While paper drawings can be marked up by anyone with a pencil, a product model that cannot be interpreted by the necessary CAD tool is useless. For organizations to share designs across various CAD and Computer-Aided Manufacturing (CAM) tools, their data files must be formatted in a manner that the tool can recognize. This requirement has become increasingly important in an age where large manufacturers often form joint ventures to address a business opportunity, and where partners in a supply chain are being called upon to deliver an increasingly complex array of services.
Disadvantages : 1) Doubles memory needs, one for at least z-buffer and one for refreshes- buffer. 2) Dependency of device and memory intensive. 3) Wasted calculation u
what is raster scan systems
Matrix for Orthographic Projection Orthographic projections are projections into one of the coordinate planes x=0, y=0or z=0. The matrix for orthographic projection on the z=0
Define polygon? A polygon is any closed continues sequence of line segments i.e., a polyline whose last node point is similar as that of its first node point. The line segment
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Spline curve - Modeling and Rendering Spline curve is created by using Control points that control the shape of the curve Spline curve is a composite curve formed along with s
What is start bust method?
name some of the standard motion in key frames
Numerically-Controlled Machines: Prior to the development of Computer-aided design, the manufacturing world adopted elements controlled through numbers and letters to fi
Put the system of a geometric data table for a 3d rectangle. Solution : Vertex Table Edge Table Polygon Surface Table
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