Computer-aided design and drafting(CADD), is being used worldwide for design and design documentation.
AUTOCAD software makes manual drafting more easy with an automated process. Both 2D and 3D CAD helps to explore design ideas and visualize concepts through proper and accurate renderings. Simulation of how a design will work in real world can also be done using AutoCAD. Creation of Multiple light sources, rotation in 3 Dimensional, and render designs from any angle can be done in AutoCAD.
2D AutoCAD and 3D AutoCAD Drawing
Two Dimensional(2D) Auto-cad Drawing support only two dimension in Computer Added Design such as Height and Width. It does not support thickness of object.
2D Auto-cad Drawing is divided into three important groups or parts:
• “Product Drawing”-
“2D Auto-cad drawings is used by the industry of fabricators &manufacturers that is the information of work about manufacturer or fabrication
• “Construction Drawing”-
Construction drawing includes architecture drawing, builders, floor plans,installers and M&E drawing,
“Line Drawing” includes Schematic drawings, Map drawing & simple layout drawings. They are made in CAD packages like AutoCAD or Assault system drafting.
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Three Dimensional (3D) Auto-cad Drawing:
“Three dimensional Model” display a picture in a form that appears to be physically present with a structure of design which appears easy to the human eye. Height, width and depth are included in 3D dimension.
3D pictures or drawings are created interactive so that audience feel involved with the scene and the experience is called Virtual Reality.
The ‘Three-Phase’ process in 3D drawings is Tessellation, geometry & rendering are. In ‘first Phase’,models are made up of particular or individual objects using link points and that created in a number of individual tiles. In ‘Second Phase’, the tiles are transformed in a so many different ways and we can also apply light effect on it. In the ‘Third Phase’ ,the transformed images or drawings are rendered in to objects with every fine information or a good detail.
Setting up plans and construction lines
Setting up elevation layers
Working with hatches
Applying background colors
Setting up dimension layers and styles
Positioning an elevation in a view port
Freezing view port layers
Setting up model space view ports
Setting the view port scale
Publishing multiple elevation layouts
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