cad
Before computers there were hands and tools. Before hands and tools there were just hands. Humans have always been designing and throughout human history drafting is what became of it. With new technology in building during the earlier years drafting needed to be changed to accommodate it. Humans have always been able to find better ways to accomplish things. Drafting is no different. Before people used tools to draw something they went to what we call now a "General Contractor" with an idea and he had to come up with the rest. After a while the contractors wanted more. Just an idea wasn't enough for them. Their clients sometimes wouldn't like what they had built for them. So eventually the contractors asked the clients to tell them exactly what they wanted. Since it was hard to sketch accurately, tools were developed to aid them in drawing. This enabled the client to show the contractor exactly what he wanted. As the population grew rapidly the demands for faster and more accurate plans did also. Once again drafters looked for a new way to draw. They decided to turn to the computer. In the 1950s MIT discovered the capability to display a computer-generated image on the screen (Zandi, 5). Up until
------------------------------------------------------------------------ In other words, they are much nicer to look at. A Yale architecture student said, "Using AutoCAD to draw is much easier and quicker than drawing by hand." It is also easier and much more cost effective to fix a problem in a virtual building that a real one. (Grad, 46) we can only await to see how it will change or society and our drafters more. CADD is very hard to sketch in. Some of the more sophisticated programs have a function where the mouse can act like a sketch pencil (Bethune, 13). Although this seems like it might be like the pencil it is not. Mice are harder to keep straight and even the lightweight drawing tasks may make the hand tired (Bethune, 13). Other ways of getting a sketch on the computer are scanners, electronic pens or touch pads. With the electronic pen, just point at the screen and that is where the dot, line or shape shows up. However one moves the pen is what shows up. This can be hard because a screen is at a weird angle, which makes drawing awkward. The touch pad however can be bought to the size of the screen. These are the best method because they recognize where one puts his pen on the pad is where the pen shows up on the screen. But it still isn't as responsive as a regular pencil (Zandi, 26). These are all good methods but the fact remains that it is still easier and quicker! CADD has very many pluses to it. "The single most important benefit of CADD is its increased productivity." (Goetsch, 115) In most of the drafting programs out there CADD is five to twenty times faster than hand drawing. (Goetsch, 115) CADD can also be used in all fields of drafting (Goetsch, 115) which makes it very widely used. In addition to being faster is it also much more accurate and reliable than a human being. (Goetsch, 64) Drawings may be completed with four decimal accuracy, which is standard, or much higher. (Zandi, 8) This makes it much easier at the end to build whatever the drawing is of. Drawings may also be retrieved at any time and then modified over and over again. (Zandi, 8) This makes revisions many times quicker than doing by hand since it doesn't need to be drawn all over again. (Zandi, 8) And "comparing to them manually prepared drawings CADD drawings are superior in the quality of lettering, scaling accuracy, and overall appearance." (Goetsch, 115) ! CADD does a lot for the drafter in thinking. It takes a lot less concentration to work with CADD making working with CADD less stressful. There are also many ways to do one thing so sometime it can actually be fun to decide on how one is going to go about something. This makes people want to do their job more, which in turn increases productivity. Not only does it increase it that way it also increases it by making the job easier. This does make it hard to get uniformity in the office (Friedman). People sometimes have conflicting ways to go about something but in the end it all looks the same (Friedman). Many ecologists are concerned with pollution and wasting of fossil fuels. With CADD we are able to reduce the waste of heat and water that a building uses. Before a house is built we examine the building in a 3-D program that tells us where a leak is. We then plug this leak virtually and when the building is built it is more energy efficient burning less fossil fuels and creating less pollution to harm the o-zone layer, and reduces the green house effect. One thing that CADD has influenced is the process that architects go through when they are designing a building something. Since CADD is so fast paced clients want their building to be fast paced as well. So the idea of "Fast Tracking" came into play. Fast tracking is where once the first pha
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Approximate Word count = 2535
Approximate Pages = 10 (250 words per page double spaced)
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