Autocad

Cheapest Autodesk AutoCAD LT 2012

Autocad

ARES Commander features a number of useful tools such as QuickModify which allows you to combine several commands into one. This is surprisingly useful and increases productivity by reducing the amount of mouse clicking you need to. One other nice touch is Quick Input which automatically provides angles, dimensions, options and other useful data as you design to help you make sure your designs are accurate. Some of the highlights of VectorWorks include graphical scripting tools, intelligent objects and a superbly implemented virtual reality feature.

Also ahead of the curve is VectorWorks Marionette which intelligently uses algorithms to shape design forms and customizations although this costs extra. SolidThinking Evolve features Geometry Simplification tools, smoothing options and concentrated mass parts. Siemens NX is used by professionals worldwide for professional industrial and aerospace industries. Siemens NX is one of the few CAD software packages that also includes 4th generation 4GD technology to enhance and facilitate design on industrial assemblies.

Another unique feature is synchronous technology for 2D which adds more intelligence to 2D data and enables users to edit multi CAD 2D files five times quicker. MacDraft Pro is the professional version of MacDraft PE see review below with a more advanced multi-layered, scaled drawing environment. You can drag and drop common image or CAD elements into your designs and it can even be used to design brochures, magazines and even flyers. This will give you the general appearance of a vector drawing especially when you zoom in. However Acrobat files by nature discourage editing and altering.

PDF files are sort of half way between vector drawings and bitmaps. Your computer if it can read this image has downloaded a reader from Adobe that creates a "posterized proxy image" that can be scaled and printed like a vector image, but unlike a vector file, this format is generally not for editing. See if your software can recognize it. More About Vectors: Vector drawings are used for mechanical drawing and design because the shapes of the objects being designed, being exact mathematical shapes, can be modified and duplicated with very few commands keystrokes.

Lets say you have a drawing of a tank and you want to stretch it out a little to make it longer. With a CAD drawing you can grab one end of the tank with the mouse and pull. The dimensions shown on the drawing will automatically change to reflect the new dimensions. Also, the area and volume of the new tank size can be instantly calculated. Try that with a bitmap. Also text in the drawing can be edited even if it runs over parts of the drawing. Also parts of the design can be grabbed, erased, flipped, changed and copied without disturbing or changing the basic drawing.

Designers always have favorite parts such as pumps, tanks and plumbing fittings that appear in all designs. The CAD operator can create standard parts called components or blocks which can be easily dropped into a drawing when needed with a few mouse clicks. This cut and paste feature is a great time saver and applies to such ordinary things as north arrows and title blocks as well as drawing parts and entire pages of details. The Drawing Process: Drawing in CAD is not exactly like drawing with a pen or pencil. The mouse is used to drag a point across the screen where you click to finish a line.

If this sounds awkward, it is. However, certain features make up for the awkwardness. You can, once the line is drawn, tweak and twist it to suit your needs. A line can be started by "snapping" it to connect to another point. Note the drawing above where smooth curves connect to straight lines without a bump. Car bodies are generally composed of compound curves and gentle arcs. Cad drawings create these complex forms from lowly straight lines, arcs and the occasional spiral. In the same way that a word processor is, lets face it, a lot of ways, better than a typewriter, CAD programs also allow changes to already drawn objects.

You may move, copy, bend, trim any line or set of lines in the drawing. Drawing tangents to circles, angles and geometric shapes of all kinds are done with a few clicks. CAD programs have special commands that shortcut operations. Multiple trims, rotary copy and move point are three examples of this type of command. Every good CAD program has dozens to hundreds of these shortcuts. The operator is free to make objects in the long way or discover a time saving command. I find cool shortcuts in even the oldest programs. Experience develops special short-cuts and tricks that will increase your speed.

The CAD program understands geometry in ways that will impress you as a new user, guaranteed. One word of caution: You will lose an important drawing more than once as you learn how to prepare and organize your work. This will happen under a stiff deadline, and your drawing will either disappear, become hopelessly corrupted, or revert to a few stray lines. The CAD thing has never been a priority of Windows which is essentially a word processing and business operating system. CAD developers are aware of this and work around this constraint as best they can.

You will wind up in conversation with a special club of nerds who are often at odds with the computer industry. You will probably demand special attention from your computer tech and sales people and hopefully you will get the help you need from time to time. I have been fortunate in my area to have found sympathetic support. Drawings can be built up with several layers. Layers are like transparent sheets that build up to form the final drawing. Each layer can be changed, printed or edited without changing the other layers.

The drawing can show the top and the interior of a pump chamber, the electrical wiring, survey lines, easements, the plumbing etc all on the same drawing. Certain layers can be turned on or off for printing or display depending where the emphasis is to be placed. Most CAD programs can handle several hundred layers. Scale changes are simple to make: CAD drawings can be shown at any scale. When creating a septic design, the drainfield details can be created on the same drawing as the site plan. The final results can be cut out of the overall plan for separate sheets such as the site plan, the drainfield, the tank and pump chamber, etc. It is possible to zoom in to fill the screen with a single screw head from the control panel and zoom out to show the entire county that the system will be built in, all at an accuracy of six decimal places of an inch.

After drawing each line, I had to wait for a second or two for the computer to recalculate the vectors in the drawing. The screen would blink off for a second. Drawings had to be saved on floppies to keep space on the drive to run the program. As the drawing grew, the computer ran slower and slower. Sometimes it ground to a halt and another sheet was required. After about 1993, computers began to catch up to the CAD programs following the invention of the math co-processors, modular ram and larger hard drives. Today, the playing of video games and movies on computer and the Internet have pushed computers beyond the needs of any small design firm's CAD program.

Any decent Internet computer will work for CAD. Newer operating systems keep getting mixed reviews as to their friendliness, but most problems are eventually fixed. If you are buying a new system, try to include an operating system with at least 9 months on the market. If you have an older computer, do the check below. You may have to upgrade to the minimum required system. Most CAD operators avoid new operating systems. Buying a new computer will sometimes force you to visit compatibility limbo. Graphics Card: CAD work, games and heavy graphic manipulation requires you to buy and plug into your computer as decent a graphics card as you can afford.

The graphics or video card talks to your monitor to display the CAD information as you draw. Most non-CAD computer users do not need a graphics card for normal work. There are dozens of graphics cards out there. Check online for a brand with good reviews from the gamers or from the CAD operators. If you are doing 3D modeling and rendering, you will require more computer than the average user. You should shoot for Quad cores and a 64 bit operating system. CAD with 2D applications sometimes will not benefit from multi cores. Your CAD program must be designed with multi-core motherboards in mind, and some 2D programs are not, particularly older ones.

Check the specifications of your program to make sure it will utilize the full potential of your computer. If these details are missing from the CAD program specifications, the program may not include running multi cores. Minimum Clock Speed: This is the speed of your processor. Any computer bought in the last five years should have enough speed for running all CAD programs if it is healthy. Hard Drive Space: Most CAD programs need a few hundred MB of free space or more before loading the CAD program and this does not include the space required for the drawings themselves which could be as much as a 5 MB or much more per drawing. To check your free space, go to your desktop or Control Panel and double click on My Computer.

Right click on C: Hard drives are cheap. A business program may not experience the same kinds of weird problems as a CAD computer running out of resources. So, don't take the advice of someone without CAD experience even if they are a qualified nerd. You should have at least a Gig of RAM. Upgrading your Ram today is cheap but it must match your computer and your existing RAM. If your machine is a few years old, this may not be a simple upgrade. The software manufacturer will tell you the minimum required for your CAD program. Choosing Software: There is an array of drawing programs out there.

Although Corel and Adobe have a good ability to create and modify vector drawings, these are drawing programs, not CAD programs. You will become frustrated marching endlessly through the menu maze in a simple drawing assignment. The goal of the CAD program is to allow the operator to create precision plans in scale, often in large format drawings. These individual drawings will usually be plotted into drawing sets for the construction of structures. The bulk of drawing programs are used to create graphic images, usually bitmaps, for graphic presentation on screen or in print.

Most web artists and graphic designers would find the graphic possibilities of CAD software quite limited. However for a designer of structures, a precision hand drawing or CAD drawing has no substitute. In 3D modeling more expensive computers are a must. I have the latest software available from AutoDesk Retail and never use it. If you aspire to a job in this area, then spend the time and the four plus thousand dollars and learn all the details of the latest release. However, the capabilities of the program are too vast in my view to meet the simple needs of a small design office.

The same applies to AutoCAD LT, where they have simply stripped down their flagship with roll-up windows and no cup holders. There are still many loyal users out there. The beauty of this program was that all the drawing commands did not require the use of drop down menus. Simple two letter commands with the left hand on the keyboard controlled all drawing functions. The mouse in the other hand never left the drawing. This simple setup has never been embraced by the industry. Alas, the simple way is simply not enough. In most standard CAD programs, the rampant menus either clutter up the drawing screen when not needed or slam shut prematurely. So What Is Out There? My personal favorite, Generic CAD sadly has expired.

Printers and plotters must talk to the CAD program. Staying loyal to orphaned programs however worthy, will eventually let you down. Visual CADD 6. Although I yearn for something better, I use this software every day. There will probably never be a drawing software as intuitive and nimble as Generic, but Visual is close enough for now. Drawing exchange between computers and programs is happening more all the time, particularly over the internet. PDF's are simply the universal format for drawing exchange. Drawings in PDF format can be saved in scale for large format printing. Quality is only good enough for print quality and the PDF file can not transmit precision values, but most communication, particularly to clients or regulators for general discussion, these drawings are more than adequate.

The Learning Process: Go ahead and install the software on your machine. Then create a folder and a file for your work and constantly save to that folder and file. Once you start drawing, your files will grow and multiply. I recommend that you create a file system by year that uses short file names of no more than 8 characters. I start each file with the year and designate the jobs in sequential order followed by the sheet designation, aa ,ab ,ac ,etc: In this way, you can usually identify a stray drawing, or find a specific job by doing a search of your storage drive. Next, Start Drawing: Learning CAD drawing takes about as much time as learning to drive a car.

ARES Commander features a number of useful tools such as QuickModify which allows you to combine several commands into one. This is surprisingly useful and increases productivity by reducing the amount of mouse clicking you need to. One other nice touch is Quick Input which automatically provides angles, dimensions, options and other useful data as you design to help you make sure your designs are accurate. Some of the highlights of VectorWorks include graphical scripting tools, intelligent objects and a superbly implemented virtual reality feature. Also ahead of the curve is VectorWorks Marionette which intelligently uses algorithms to shape design forms and customizations although this costs extra.

SolidThinking Evolve features Geometry Simplification tools, smoothing options and concentrated mass parts. Siemens NX is used by professionals worldwide for professional industrial and aerospace industries. Siemens NX is one of the few CAD software packages that also includes 4th generation 4GD technology to enhance and facilitate design on industrial assemblies. Another unique feature is synchronous technology for 2D which adds more intelligence to 2D data and enables users to edit multi CAD 2D files five times quicker. MacDraft Pro is the professional version of MacDraft PE see review below with a more advanced multi-layered, scaled drawing environment. You can drag and drop common image or CAD elements into your designs and it can even be used to design brochures, magazines and even flyers.

Organizing Work: At some point in your business, searching for a certain drawing or a special detail begins to take up time. Having ten years of drawings fit on one or two CDs has some advantages. Computerized drawings force the designer to constantly backup, organize and simplify the products of the design process. Believe it or not, the computer can help in the organization and storage of drawings, for both the compulsive saver and the impulsive artist. Just Keeping Up: As time goes on, the computer, the Internet, the cell-phone force themselves on us and we give in. To keep fighting may help one's image as an independent thinker, but it will not help a bottom line. When tools such as CAD become industry standards, avoiding their use may isolate the holdout designer from others in the marketplace favoring the competition.

Improving Job Skills: Many schools offer classes in CAD. There is a vast range of teachers and programs available. Many are not very useful. A term of several weeks of study will not be enough to prepare you for a job, but you will get to experience what CAD drawing feels like. Many new graduates from qualified CAD schools are not useful in a tech position without a lot of practical experience. You will have to learn a lot in any CAD job that is not taught in any school. The diploma may just get you inside the door. Time spent at the computer, solving problems on your own develops the skills you will need quicker than classes in my opinion.

Drawing Basics: The most important difference between CAD drawings and other computer graphics is the way the drawing is saved and used. Computer images non CAD images are bitmaps. Bitmaps are a grid made up of thousands of dots. Bitmap images lend themselves to computers because the monitor screens and printers already talk the language of bitmaps, a map made up of tiny bits. The smallest bits on the screen you are viewing is 72 pixels picture elements per inch. There is no point in providing images on your website that has more than 72 pixels per inch because the screen will not be able to show the larger detail.

When you encounter a slow loading photo on a website it probably is saved on the server to a higher resolution than 72 pixels per inch. The CAD drawing, however, is like a pencil drawing made up of lots of lines. This is a vector image. Each line in the vector drawing is a mathematical curve. When you click the mouse to start and finish a line, the resulting line becomes a mathematical formula with a point of beginning, an end point, a thickness, a color, and a style dashed, solid, dotted etc. CAD drawings being made up of vectors are saved as a list of mathematical formulas for each line based on a point of origin.

Resolution or scale of the drawing or the details of each individual line or point can be changed without altering the other objects in the drawing. This is why this type of drawing is more useful than a bitmap. Take a look at the drawing below. It is a jpg file downloaded from the eco-nomic server and is a bitmap file as are all images on internet WebPages. It is 72 dots per inch for optimum viewing on your computer screen. DXF and DWG files can be difficult to download on some computers - we recommend right clicking on the underlined links to the left and saving them first choose "save target as. DXF is a universal drawing exchange format developed by AutoDesk for sending vector files.

Fortunately this idea for drawing exchange has endured. Once you download and click to open this file, your drawing program should display the CAD drawing. Experiment with the drawing by turning on and off see and hide separate layers in the downloaded file. The exterior features of the car and the interior and motor are in different colors and on different layers. This is how CAD drawings can combine information for reference or extract certain views for printing, viewing or other reasons. The car for instance can be viewed and saved as the body only red lines without the motor and the hidden interior details blue lines. AutoDesk was obsolescing older versions of their program, thus encouraging their customers to upgrade even though the current software was running things without problems.

They now provide a free external utility but claims that it would be too hard to constantly make newer drawings compatible with older versions. They may have a point. However Adobe has not claimed this restriction and have managed to make all PDF files mostly universally readable in all versions of their software. I believe AutoCAD deliberately exploits issues of "backward compatibility" to enhance their snob appeal to design firms sporting the latest version. In practical terms, companies who exchange a lot of drawings are smart to share identical releases of the same CAD software. For now, the most reliable drawing exchange format is DXF.

This will give you the general appearance of a vector drawing especially when you zoom in. However Acrobat files by nature discourage editing and altering. PDF files are sort of half way between vector drawings and bitmaps. Your computer if it can read this image has downloaded a reader from Adobe that creates a "posterized proxy image" that can be scaled and printed like a vector image, but unlike a vector file, this format is generally not for editing. See if your software can recognize it. More About Vectors: Vector drawings are used for mechanical drawing and design because the shapes of the objects being designed, being exact mathematical shapes, can be modified and duplicated with very few commands keystrokes.

Lets say you have a drawing of a tank and you want to stretch it out a little to make it longer. With a CAD drawing you can grab one end of the tank with the mouse and pull. The dimensions shown on the drawing will automatically change to reflect the new dimensions. Also, the area and volume of the new tank size can be instantly calculated. Try that with a bitmap. Also text in the drawing can be edited even if it runs over parts of the drawing. Also parts of the design can be grabbed, erased, flipped, changed and copied without disturbing or changing the basic drawing.

Designers always have favorite parts such as pumps, tanks and plumbing fittings that appear in all designs. The CAD operator can create standard parts called components or blocks which can be easily dropped into a drawing when needed with a few mouse clicks. This cut and paste feature is a great time saver and applies to such ordinary things as north arrows and title blocks as well as drawing parts and entire pages of details. The Drawing Process: Drawing in CAD is not exactly like drawing with a pen or pencil. The mouse is used to drag a point across the screen where you click to finish a line.

If this sounds awkward, it is. However, certain features make up for the awkwardness. You can, once the line is drawn, tweak and twist it to suit your needs. A line can be started by "snapping" it to connect to another point. Note the drawing above where smooth curves connect to straight lines without a bump. Car bodies are generally composed of compound curves and gentle arcs. Cad drawings create these complex forms from lowly straight lines, arcs and the occasional spiral. In the same way that a word processor is, lets face it, a lot of ways, better than a typewriter, CAD programs also allow changes to already drawn objects.

You may move, copy, bend, trim any line or set of lines in the drawing. Drawing tangents to circles, angles and geometric shapes of all kinds are done with a few clicks. CAD programs have special commands that shortcut operations. Multiple trims, rotary copy and move point are three examples of this type of command. Every good CAD program has dozens to hundreds of these shortcuts. The operator is free to make objects in the long way or discover a time saving command. I find cool shortcuts in even the oldest programs. Experience develops special short-cuts and tricks that will increase your speed. The CAD program understands geometry in ways that will impress you as a new user, guaranteed.

One word of caution: You will lose an important drawing more than once as you learn how to prepare and organize your work. This will happen under a stiff deadline, and your drawing will either disappear, become hopelessly corrupted, or revert to a few stray lines. The CAD thing has never been a priority of Windows which is essentially a word processing and business operating system. CAD developers are aware of this and work around this constraint as best they can. You will wind up in conversation with a special club of nerds who are often at odds with the computer industry. You will probably demand special attention from your computer tech and sales people and hopefully you will get the help you need from time to time.

I have been fortunate in my area to have found sympathetic support. Drawings can be built up with several layers. Layers are like transparent sheets that build up to form the final drawing. Each layer can be changed, printed or edited without changing the other layers. The drawing can show the top and the interior of a pump chamber, the electrical wiring, survey lines, easements, the plumbing etc all on the same drawing. Certain layers can be turned on or off for printing or display depending where the emphasis is to be placed. Most CAD programs can handle several hundred layers.

Scale changes are simple to make: CAD drawings can be shown at any scale. When creating a septic design, the drainfield details can be created on the same drawing as the site plan. The final results can be cut out of the overall plan for separate sheets such as the site plan, the drainfield, the tank and pump chamber, etc. It is possible to zoom in to fill the screen with a single screw head from the control panel and zoom out to show the entire county that the system will be built in, all at an accuracy of six decimal places of an inch. After drawing each line, I had to wait for a second or two for the computer to recalculate the vectors in the drawing.

The screen would blink off for a second. Drawings had to be saved on floppies to keep space on the drive to run the program. As the drawing grew, the computer ran slower and slower. Sometimes it ground to a halt and another sheet was required. After about 1993, computers began to catch up to the CAD programs following the invention of the math co-processors, modular ram and larger hard drives. Today, the playing of video games and movies on computer and the Internet have pushed computers beyond the needs of any small design firm's CAD program. Any decent Internet computer will work for CAD. Newer operating systems keep getting mixed reviews as to their friendliness, but most problems are eventually fixed.

If you are buying a new system, try to include an operating system with at least 9 months on the market. If you have an older computer, do the check below. You may have to upgrade to the minimum required system. Most CAD operators avoid new operating systems. Buying a new computer will sometimes force you to visit compatibility limbo. Graphics Card: CAD work, games and heavy graphic manipulation requires you to buy and plug into your computer as decent a graphics card as you can afford. The graphics or video card talks to your monitor to display the CAD information as you draw. Most non-CAD computer users do not need a graphics card for normal work.

There are dozens of graphics cards out there. Check online for a brand with good reviews from the gamers or from the CAD operators. If you are doing 3D modeling and rendering, you will require more computer than the average user. You should shoot for Quad cores and a 64 bit operating system. CAD with 2D applications sometimes will not benefit from multi cores. Your CAD program must be designed with multi-core motherboards in mind, and some 2D programs are not, particularly older ones. Check the specifications of your program to make sure it will utilize the full potential of your computer.

If these details are missing from the CAD program specifications, the program may not include running multi cores. Minimum Clock Speed: This is the speed of your processor. Any computer bought in the last five years should have enough speed for running all CAD programs if it is healthy. Hard Drive Space:

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cheapest Autodesk AutoCAD LT 2012

Tour the User Interface — AutoCAD LT 2012

cheapest Autodesk AutoCAD LT 2012 cheapest Autodesk AutoCAD LT 2012 cheapest Autodesk AutoCAD LT 2012

O que é um Bloco Manifold?

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