by rospai
Published: July 24, 2022 (3 weeks ago)

Equipped with the right applications, a computer can be of great help in virtually any domain of activity. When it comes to designing and precision, no other tool is as accurate as a computer. Moreover, specialized applications such as AutoCAD give you the possibility to design nearly anything ranging from art, to complex mechanical parts or even buildings.
Suitable for business environments and experienced users
After a decent amount of time spent installing the application on your system, you are ready to fire it up. Thanks to the office suite like interface, all of its features are cleverly organized in categories. At a first look, it looks easy enough to use, but the abundance of features it comes equipped with leaves room for second thoughts.
Create 2D and 3D objects
You can make use of basic geometrical shapes to define your objects, as well as draw custom ones. Needless to say that you can take advantage of a multitude of tools that aim to enhance precision. A grid can be enabled so that you can easily snap elements, as well as adding anchor points to fully customize shapes.
With a little imagination and patience on your behalf, nearly anything can be achieved. Available tools allow you to create 3D objects from scratch and have them fully enhanced with high-quality textures. A powerful navigation pane is put at your disposal so that you can carefully position the camera to get a clearer view of the area of interest.
Various export possibilities
Similar to a modern web browser, each project is displayed in its own tab. This comes in handy, especially for comparison views. Moreover, layouts and layers also play important roles, as it makes objects handling a little easier.
Sine the application is not the easiest to carry around, requiring a slightly sophisticated machine to properly run, there are several export options put at your disposal so that the projects itself can be moved around.
Aside from the application specific format, you can save as an image file of multiple types, PDF, FBX and a few more. Additionally, it can be sent via email, directly printed out on a sheet of paper, or even sent to a 3D printing service, if available.
To end with
All in all, AutoCAD remains one of the top applications used by professionals to achieve great precision with projects of nearly any type. It encourages usage with incredible offers for student licenses so you get acquainted with its abundance of features early on. A lot can be said about what it can and can't do, but the true surprise lies in discovering it step-by-step.







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AutoCAD is used for architectural, engineering, and construction design work. It is used as a modelling software tool in which one or more entities such as building components, lines, curves, and arcs are created and edited. An entity can be named, added to the drawing by AutoCAD as a feature, or imported from another file. The process of creating an entity with AutoCAD is referred to as “dwgining.” The CAD portion of the app enables construction documents and specification documents to be designed and produced using features of the software such as slicing and three-dimensional (3D) modelling and the production of engineering drawings.

The development of AutoCAD began in 1981, with Gary Brisson as the software architect and programmer. The software was first intended as a screen-oriented drawing tool for the IBM PC. Design and development of AutoCAD’s user interface began in 1983, with the first user interface tools and features implemented in 1984.

In 1987, the first public demonstration of AutoCAD took place at the Radi-Cast Corporation in Sherman Oaks, California. The first version to be released was 2.0. In 1990, Autodesk purchased the rival CAD software company GOTO Design Technology. In 1994, Autodesk released AutoCAD DWG Compatibility Edition (DWGCE) to comply with the standard DGN (Design Guideline Note) 2.0 developed by the Council on Industrial Design of the Graphic Arts Industry.

Use of AutoCAD began to increase rapidly during the 1990s, particularly in the field of architecture and engineering. It is used by architects, engineers, contractors, home renovators, and a variety of other professionals.

Other applications that can be used with AutoCAD, include:

AutoCAD, available as a desktop app, is often used by architects, engineers, contractors, and other professionals to create 2D and 3D drawings of projects. In the drawings, lines, polygons, curves, arcs, and areas can be created and modified, and named entities can be inserted. The drawings can be viewed or printed.

The AutoCAD app, like the full version, can be used to create a variety of drawings.

AutoCAD and AutoCAD LT are categorized by the way in which the app is used. The desktop apps run in a window, where users can manipulate and view drawings. The mobile apps run on tablets and smartphones.

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Many third-party products, such as AutoCAD Web App Studio for web app development and AutoCAD 360 360° for web, mobile and cloud environments, are available.

See also
Autodesk 360
Autodesk Forge (software)
Autodesk Revit
Comparison of CAD editors for CAE
Comparison of CAD editors
Comparison of computer-aided design editors
List of CAD file formats
List of 3D graphics file formats
List of CAE software
Comparison of computer-aided design editors


External links

Category:3D graphics software
Category:Computer-aided design software
Category:2005 software
Category:Proprietary commercial software for Linux
Category:Windows graphics-related software
Category:Windows-only software
Category:Formerly proprietary software
Category:Proprietary commercial software for MacOSQ:

Ruby – sort arrays of arrays of arrays

I have a DataFrame that looks like this:
var1 var2 var3
a b 0
a c 2
b c 1

I would like to create a new array that looks like this:

I have a function that does this, but it is very inefficient, and I think I am just doing something wrong.
parsed = {|col| col.groupby(:var1, :var2).count }

Would the best way to do this be to use Ruby’s sort_by method, and then keep only the first row of each group?


One-liner with sort_by and count
df.group_by(:var1, :var2).count.sort_by(:first).collect

-2*s – 2*w + 9 = -1. Suppose 3*i + 2*u = 10, 3*u + 0*u = -s*i + 15. Suppose i = -3*a – 0*a + 69. What

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A protein structural and evolution strategy for identifying potential proteins with high/low solvent accessibility.
Solvent accessibility (AS) is a convenient parameter to characterize protein structure and is often used as an important feature for identifying the active sites of protein structure. However, it is still a challenge for us to automatically identify proteins with high or low AS in complex protein systems. In this paper, a protein structural and evolution strategy (PSEUSS) is proposed based on the homology modeling, multiple templates and PSI-BLAST/PFRAST programs. The PSEUSS program consists of three steps: protein alignment, secondary structure and AS prediction. Firstly, the input protein is aligned to the sequence databases using PSI-BLAST/PFRAST programs. The representative template sequences are obtained from the alignment. The secondary structure and solvent accessibility of the template sequence are predicted by the PSI-pred program. Then, the solvent accessibility of the input protein is predicted according to the template sequence by a secondary structure-dependent AS predictor. Finally, the final solvent accessibility of the input protein is calculated from the predicted solvent accessibility of the template sequence. The PSEUSS program was tested on the CASP4 dataset. The results show that the CASP4 prediction with the PSEUSS program is in better agreement with the actual results than that with other methods. Furthermore, the PSEUSS program can automatically identify potential protein-protein interactions and determine high and low solvent accessibility for the given proteins.Advanced digital marketing for a modern company

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It is

What’s New In?

Use new Markup features to quickly and easily add design elements to your drawings. Apply graphic symbols to text to form new symbols such as arrow, line, or box. Import graphics and symbols from other applications such as AutoCAD or an illustration program. (video: 2:00 min.)

Insert Layer and Multiplication:

Import more complex layers or group items into a single layer for faster editing. Multiplication groups adjacent items into a single object. (video: 1:25 min.)

Use layer tools to edit multiple layers at once with new tool enhancements. Review and edit multiple items on a single layer at once. Drag and drop tools or even another drawing. Edit multiple drawings simultaneously. (video: 2:45 min.)

Draw box lines that have no thickness, and easily make box lines with hole centers. With box-line thickness, you can now draw one side of a box and it will automatically extend to the other side as well. Box lines with hole centers let you create a box with a hole, with or without a filled-in center. (video: 1:20 min.)

New Shaded pattern for rendering richly textured surfaces. You can now draw over a 3D surface that’s shaded with a pattern and preview how the pattern will render to your 2D drawing. (video: 1:45 min.)

Convert and send 3D objects. If you want to send a 3D file to someone, you can now quickly and easily convert it into a format that’s easier for them to use, such as the Web or 2D. Convert and send objects as 3D FBX, DAE, or VRML. (video: 1:10 min.)

Use the Transform Panel to modify the position, scale, and orientation of a 3D object before you send it. Convert 3D objects to 2D or remove 3D geometry. (video: 1:25 min.)

Embed an image into a 3D model. Easily embed a still, PDF, or other image into a 3D model. Let the model appear as an ancillary image. Open, view, and embed models in your browser. (video: 1:45 min.)

New dimension styles: round-off, round-up, inside, on-edge, overhang, and fill

Use the new Dimension Styles in your project to precisely define the dimensions of the 3D objects you create

System Requirements:

OS: Windows XP SP3, Windows Vista SP2, Windows 7 SP1
Processor: 2 GHz Pentium 4, 2 GHz Pentium 3, 1 GHz Pentium 2
Memory: 1 GB RAM (DDR2/ DDR1)
Graphics: DirectX 9.0c compatible graphics card with 128MB or more VRAM
Storage: 40 MB available space
Additional Notes: The minimum specifications are intentionally conservative so that even older systems may be able to experience the game without issue.
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