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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.
Approaches to Area Filling Some other approaches to area filling are Scan line polygon fill algorithm Boundary fill algorithm Flood fill algorithm.
What is the major disadvantages of storing information structures in display memory? A major disadvantage of storing information structures in display memory is that when color an
To prove: P (u = 0) = p0 Solution : = p 0 B n,0 (u) + p 1 B n, 1 (u) +...... + p n B n, n (u)...............(1) B n,i (u) = n c i u i (1 - u) n-i B n,0
Illustration of a Clipping window ABCD is placed as follows: A (100, 10), B (160, 10, C (160, 40), D (100, 40) By using Sutherland-Cohen clipping algorithm determine the vis
Animation Tools: Hardware tools: PCs ,Macintosh, Amiga Software tools: - Softimage ( Microsoft) ; - Alias/ Wavefront ( SGI) - 3D s
Other File Formats BMP/DIB/RLE File Formats These are termed as device independent bitmap files. They exist in two various type formats: a) OS2 format and b) Windows
The development of CAD had little consequence on CNC initially because of the various abilities and file formats used through drawing and machining programs. Conversely, as Compute
Transformation for 3-D Scaling As we already seen that the scaling process is mainly utilized to change the size of an object. The scale factors find out whether the scaling i
Scan line algorithm and seed fill algorithm Two basic approaches are followed in area filling on raster systems. In the first approach overlap intervals for scan lines that cr
Question: (a) There are 3 main industries of drawing style and it has become a phenomenon. It was inspired by internationally diffused cartoons, comic strip books and since the
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