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History Early History (1982-1988) Autodesk began the development of AutoCAD in 1982, to meet the needs of civil engineers who were designing large-scale industrial construction projects. The first version of AutoCAD was a small desktop application that was sold to a small number of business customers. The first version of AutoCAD was still the same as the first widely-released version of AutoCAD today, which was released in December 1982. The first release of AutoCAD required a microcomputer with an internal graphics controller with either 640×350, 640×400 or 640×480 resolution graphics modes and a 24-bit color display. In 1986, Autodesk began the business of AutoCAD Map, a mapping and satellite imaging product. Autodesk is highly protective of the trademarks and copyrights they own, even after they sell the company. Because of this, information about the development of AutoCAD in the early years is scarce. Autodesk AutoCAD Version 3.0 was the first major version of AutoCAD that added a shared data library, allowing users to share data on the fly as they worked. This included geometry, and editing, among other things. This allowed a user to design a project using one AutoCAD session, and share it with other users in other sessions. Another major release of AutoCAD was AutoCAD 4.0 in 1989. Design and development of AutoCAD took about ten years. 1990s AutoCAD 2.0 was released in 1990, the first version of AutoCAD that had built-in rendering capabilities. AutoCAD 2.0 was popular among engineers because it provided a more efficient method of working with large-scale drawings. This new type of user interface, with detailed graphics and three-dimensional representations, was designed to make the user more effective at a wide range of engineering projects. AutoCAD continued to evolve over the next 15 years. In 1995, AutoCAD 2.5 added the ability to create parametric surfaces. In 1997, AutoCAD 3.0 was released, with the ability to create dynamic layouts and 2-D engineering components. With the release of AutoCAD 4.0 in 1999, AutoCAD became an add-in program. 2000s In 2001, AutoCAD 3.5 was released, with powerful 3-D

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Point Cloud is a technique for generating 3D points from image information obtained by a Camera or Lidar. Plotter is a feature which converts vector data to hard copy for use as a graphic output device. The Plotter Toolkit for ObjectARX allows developers to add their own plotting functionality to the software. Geometry The primary geometry (and topology) engine used by AutoCAD and AutoCAD LT is DirectShape (formerly called “Direct Geometry”), which is based on “Geometric Shapes”. Each shape is defined in geometric coordinates, with a width and height in standard units. As of AutoCAD 2014, there is a mode called “Manual” for editing the wireframe of a shape. Besides the traditional “Manual” mode, there are three other main modes: “3D”, “3D-Fully” and “3D-Wireframe”. The latter is the only one available in AutoCAD LT. With the “3D” mode, shapes are displayed in 3D coordinates (usually as wireframe, with a hidden surface. 3D-Fully displays the underlying shape without any wireframe. Both the 2D and 3D modes allow viewing, editing and annotation, and editing the hidden surface properties of the shapes, along with other attributes (such as the color and pattern of the hidden surface). For 2D shapes, the mode affects only the “width” and “height” properties. The “z-height” is not affected. The “z-height” indicates the distance between the model and the layer on which it is placed. For 3D shapes, the “x”, “y”, “width”, “height”, “depth”, “volume”, “z-height” and “z-depth” properties are affected. The “3D-Fully” mode includes viewing and editing a full representation of the 3D object, including the Z-axis. Annotation tools are implemented in the “3D” mode, and allow viewing and editing of every attribute of a 3D shape, including an “Iso-view” of the 3D shape, which displays the visible surface of the shape, including the hidden surface. The major disadvantage of Direct Shape is that all geometry is inherently hidden, hidden surface represented by wireframe only. In the case of many parametric curves, 2D splines and 3D NURBS (usually representing “arc 3813325f96

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Open Autocad and open the AutoCAD_Windows_6.1.ppd file. Open the File menu and select New. Select the Output option and choose Pre-Enterprise (6.1). Name the key file (I name mine autocad2011_full.key) and then click Save. Explanation: Open the Autocad software and go to the File menu, then to New. Select the Output menu and choose Pre-Enterprise (6.1). Give the key the name autocad2011_full.key. Step 3 : Install Adobe Photoshop and open it. In the upper right corner, click on “New”. Search for the Photoshop shortcut. Select the “Photoshop” shortcut and copy it. Step 4 : Open “C:\Program Files\Adobe\Adobe Photoshop CS4\Common\Autocad_Windows_6.1.ppd” and paste “autocad2011_full.key” inside of it. Step 5 : Click “OK” Step 6 : Open your Autocad software. Step 7 : Now go to the File menu and select Open. Select the Photoshop shortcut and click Open. Step 8 : Choose “File” from the Tools menu and select Export…. Step 9 : Choose File Type “Binary Data” and click Next. Step 10 : Now choose “Binary Data Format” and click Next. Step 11 : Choose “Export Formats” and click Next. Step 12 : Now choose the file format you want, for example PNG24 and click OK. Step 13 : Go back to the Options dialog and click OK. Step 14 : Double click the PNG24 file and the file size should be 1677.44KB. Step 15 : Click “Close” and then click “Close” again in the “File” menu. Step 16 : Now you can save this to your computer and add this PNG24 file to a ZIP file. Step 17 : You should now have a ZIP file containing the “autocad2011_full.key” and the “autocad2011_full.ppd” files.

What’s New in the AutoCAD?

Enhance project collaboration. Schedule and distribute project tasks from one document. Share updates, warnings and reminders from one document. (video: 1:50 min.) Accurately locate parts with an accurate part selection tool. Select parts, drawings and attributes from image sequences or by using a freehand drawing. (video: 1:30 min.) CAD 2.3 Dimensional Requirements: Design strategies and surface modeling tools for a better design workflow. Design a structure while the model is still in 2D and then easily convert it to 3D with advanced surface modeling tools. (video: 1:54 min.) Read and write sketch-based drawings. Write a list of attributes or comments and annotate your drawings. Work with 2D sketch-based files on your computer, tablet or mobile device. (video: 2:45 min.) Accelerate line, arc and spline. Vectorize your lines to make them crisper and easier to trace. Accelerate vector curves to make your design even better. (video: 2:00 min.) Add curvature, symmetry and mirror to your models. Make models into drawings with surfaces and surfaces that are easy to edit and are suitable for a wide range of applications. (video: 1:53 min.) CAD 2.3 Features: Work with your files on up to four different displays: A desktop, a tablet, a mobile device or a browser. Bring your design drawings to any device and access the tools and features you need to efficiently design. (video: 1:54 min.) Use a single table to organize a drawing. Create new, open and save new tables. Keep the information for your drawing in one place, whether in a drawing or in the table properties. (video: 1:46 min.) Save time editing with AutoLISP. Selectively convert the type of properties in a drawing and the properties of each element. (video: 1:40 min.) Save time using the ability to create unlimited tables. Easily create, move, delete and organize tables. (video: 1:42 min.) Restrict the access to features in your drawing to your organization. Let only authorized users see and work with the different features of your drawing. (video: 1:50 min.) Use a single drawing to collaborate on a project. Easily manage the changes to your drawing

System Requirements:

Supported OS: Windows 7/8/8.1/10 Minimum RAM: 1GB Minimum Processor: Intel Pentium 4 3.0GHz or AMD Athlon 2.2GHz or Intel Core 2 Duo 2.4GHz or AMD Phenom II X2 540 or Intel Core 2 Duo E7500 2.5GHz Minimum GPU: Intel HD 4000 2GB (as of 14.04 LTS) Recommended GPU: NVIDIA GeForce GTX 550 2

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