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Posts Tagged ‘computer’

The production and development of the graphics of different computer race car games nowadays have been extremely revolutionary because more and more computer games software have been discovered that could support any kinds of game consoles. Several popular 3D car racing games have been in the world of computer games for so many years already, and you can find so many varieties of 3D car racing games according to your fancy. One good thing is that you never have to spend a single cent to enjoy these games.

There is a huge selection of 3D car racing games that caters and suits everyone’s fancy, both grown-ups and kids. Do not be surprised if women play these kinds of games in the near future as well. The long list of the most popular 3D car racing games among 3D car racing games aficionados includes, fugitive takedown, GH racer, frog race, and formula racing, just to name a few.

Now, let us take a deeper look at some of the 3D car racing games; its characteristics that make them popular among car racing games players. Topping the list here is the formula racing which was based on the actual famous formula racing in some parts of Europe. The popularity of formula racing has invaded not only the different race tracks of Europe and Americas; it has also penetrated the world of internet. The development of 3D car racing games like the formula racing has opened wide doors to those who want to experience the excitement of a car racing, but due to some reasons, cannot afford to have those amazing and expensive formula racing cars. With the help of the 3D technology, anyone who wishes to play any 3D car racing games can now play till their hearts content for free!

Another 3D car racing game that is highly-rated by the car racing games enthusiasts is the fugitive takedown. This is one of the coolest and fun 3D car racing games because you get to play here a good guy who drives a police car to chase precarious mobsters on the street. One of the modes of fugitive takedown is the “pursuit” – wherein you will have to run after the car of the dangerous fugitive and crash into it until you finally get hold of them. The other mode is the “time trial” – wherein you have to compete with a ghost driver once you have finished your first lap and after your race information has been saved up. The last but not least mode of fugitive takedown is the “hit and run” – in this mode you will have to play against the law by crashing as many people that are walking along the street as you possibly can.

One of the newest 3D car racing games is the “fish truck” which is also gaining fame among the fans. Your primary mission here is to transport securely and to protect your truck of fish from hungry and vicious birds with the use of your weapons as you traverse the long stretches of the streets. For more information on the latest racing games available check out PlayCarRacingGames.ws

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The 3d laser engraving process uses a computer guided laser to precisely engrave 3D images within optically perfect laser crystal. Initial efforts produced 3D images engraved inside a solid piece of optically perfect laser crystal without damaging the crystal block surface.Refinements have added 2D images (pictures of people or things),text, 3D heads and other 3D objects. Additional advancements created our latest offerings, 2 1/2D sub-surface laser engraving.2 1/2D is a unique merger of 3D and 2D laser engraving which produces the highest quality laser engraved image with unmatched quality and clarity.

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Before we venture to look at the features one should be on the lookout for when shopping for laser scanners for asset scanning use, there are a number of definitions and descriptions we need to go through briefly. The first one of those is that of laser scanners, where it turns out that, in this context, laser scanners are used for reading barcodes, which are widely used in asset tracking. Now if you have visited a supermarket or other such store, you are likely to have encountered a laser scanner (although you may not have known it to be the same). The laser scanner, in this case, would be that ‘thing’ which the checkout attendant points onto the barcode on each product you have selected, in order for the computer to decipher the price which you are then charged.

As it turns out, such laser scanners are not just used in supermarket checkouts. They also find widespread application in asset tracking, which refers to the practices an organization undertakes to keep track of its belongings, and prevent their loss.

Having cleared with such fundamentals, the task before us is one of exploring the features to look for, when shopping for laser scanners.
As it turns out, there are a number of features that are to be expected, actually demanded, in modern laser scanners. One can, for instance, expect such scanners to come with USB connectivity. This is important, as it would effectively make them ‘plug and play’ devices, rather than devices that one has to go through lengthy installation processes to get working.     In this regard, the ideal laser scanner will come with both a USB kit and a USB cable. In a bid to keep pricing down, some makers of laser scanners include only the USB kit, but leave it upon you purchase the cable afterwards.

When shopping for laser scanners, it is important to check what sorts of ports they come with – and ensure that they can work with the computer you have in mind. Of course, this issue of ports becomes important where it is a non-USB laser scanner you are looking at. Where it is a USB laser scanner you are looking at (whose connectivity is thus universal), the issue of port provision becomes immaterial. Nowadays, most people are making use of USB laser scanners, but if the computer you use is an olden one with no provisions for USB connectivity, you have no alternative than to purchase the laser scanners with the traditional sort of ports.

Some laser scanner makers are taking the whole USB connectivity a step further, and creating their products to be suitable for Bluetooth USB. Now that is cutting edge technology, if you can afford it.

Depending on the circumstances you are going to be using it, you may prefer a handheld laser scanner. Be informed that there are handheld laser scanners in existence.Whether or not the laser scanner comes with a charging cradle is another material consideration, as is one as to whether the laser scanner’s power supply requirements are compatible with what you use.All these are, of course, in addition to checking the laser scanner’s independent reviews with regard to pricing, durability and so on – to ensure that it is a sound product you will be getting on all levels.

Review and introduction by FLAAR Reports on 3d portable handheld laser scanner zscanner 700cx from Zcorportation.
Video Rating: 0 / 5

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Designers have long used computers for their calculations. Initial developments were carried out

in the 1960s within the aircraft and automotive industries in the area of 3D surface construction

and NC programming, most of it independent of one another and often not publicly published until

much later. Some of the mathematical description work on curves was developed in the early 1940s

by Isaac Jacob Schoenberg, Apalatequi (Douglas Aircraft) and Roy Liming (North American

Aircraft), however probably the most important work on polynomial curves and sculptured surface

was done by Pierre Bezier (Renault), Paul de Casteljau (Citroen), Steven Anson Coons (MIT, Ford),

James Ferguson (Boeing), Carl de Boor (GM), Birkhoff (GM) and Garabedian (GM) in the 1960s and W.

Gordon (GM) and R.

It is argued that a turning point was the development of SKETCHPAD system in MIT in 1963 by Ivan

Sutherland (who later created a graphics technology

company with Dr. David Evans). The distinctive feature of SKETCHPAD was that it allowed the

designer to interact with his computer graphically: the design can be fed into the computer by

drawing on a CRT monitor with a light pen. Effectively, it was a prototype of graphical user

interface, an indispensable feature of modern CAD.

First commercial applications of CAD were in large

companies in the automotive and aerospace industries, as well as in electronics. Only large

corporations could afford the computers capable of performing the calculations. Notable company

projects were at GM (Dr. Patrick J.Hanratty) with DAC-1 (Design Augmented by Computer) 1964;

Lockhead projects; Bell GRAPHIC 1 and at Renault (Bezier) – UNISURF 1971 car body design and

tooling.

One of the most influential events in the development of CAD was the founding of MCS

(Manufacturing and Consulting Services Inc.) in 1971 by Dr. P. J. Hanratty[7], who wrote the

system ADAM (Automated Drafting And Machining) but more importantly supplied code to companies

such as McDonnell Douglas (Unigraphics), Computervision (CADDS), Calma, Gerber, Autotrol and

Control Data.

As computers became more affordable, the application areas have gradually expanded. The

development of CAD software for personal desk-top computers was the impetus for almost

universal application in all areas of construction.

Other key points in the 1960s and 1970s would be the foundation of CAD systems United Computing,

Intergraph, IBM, Intergraph IGDS in 1974 (which led to Bentley MicroStation in 1984)

CAD implementations have evolved dramatically since then. Initially, with 2D in the 1970s, it was

typically limited to producing drawings similar to hand-drafted drawings. Advances in programming

and computer hardware, notably solid modeling in the 1980s, have allowed more versatile

applications of computers in design activities.

Key products for 1981 were the solid modelling

packages -Romulus (ShapeData) and Uni-Solid (Unigraphics) based on PADL-2 and the release of the

surface modeler CATIA (Dassault Systemes). Autodesk was founded 1982 by John Walker, which led to

the 2D system AutoCAD. The next milestone was the release of Pro/ENGINEER in 1988, which

heralded greater usage of feature-based modeling methods and parametric linking of the parameters

of features. Also of importance to the development of CAD was the development of the B-rep solid

modeling kernels (engines for manipulating geometrically and topologically consistent 3D objects)

Parasolid (ShapeData) and ACIS (Spatial Technology Inc.) at the end of the 1980s and beginning of

the 1990s, both inspired by the work of Ian Braid. This led to the release of mid-range packages

such as SolidWorks in 1995, SolidEdge (Intergraph) in 1996, and IronCAD in 1998. Today CAD is one

of the main tools used in designing products.

Presentation of architectural projects in a more visually appealing manner help clients relate to it in a much higher level. Since clients only need to see what their house or building will look like after the construction, 3d architectural renderings have become an increasingly important arsenal for every architect.

Nowadays , architectural firms can’t go on without using 3d architectural renderings and walk-through animations for their project proposals. With this, architects are more reticent since the rendering will do most of the explaining. Yet the power of these new media does not stop in marketing alone, it also assists in finding design faults before the construction is started.

3D architectural rendering consists of visual presentations for various structural or non-structural schemes such as landscape projects, buildings and among others. To take 3d renderings a higher notch, a walk-through or fly-by animation can also provide a better and a more dynamic view of the bulding. Ever since this computer generated rendering service has existed, there has been less commercial demand for hand-drawn renderings and it is apparent why.

In today’s architectural marketplace, these computer generated architectural facades are essential. Our present technology offers both architects and clients the opportunity to see the built view of a work that is still in progress. Architectural renderings also have the capacity to produce a wide variety of visual output formats and can show exteriors and interiors of the proposed building with an appropriate lighting and in full color.

Now, 3d artists are also taking a parcel of the employment opportunties in the architecture industry. 3D architectural renderers, as you call them, are the ones who recognize the value of high quality 3d output. Through computer applications such CAD and 3d Studio Max, architectural renderers can interpret 2d floor plans and mimic how the building would look in once it is finish. One of the greatest impact of this 3d architectural technology is that it creates confidence among the buyers that the architect’s blueprint can indeed transform their once dream house into a tangible structure after a few months.

 

3D architectural renderings services are really helpful for you in:

• 3D Architectural Model Rendering

• 3D Animation Rendering and Walkthrough Services

• Landscape Architectural Rendering

• 3D Interior Rendering and Design

• 3D Architecture Interior Modeling

• 3D Exterior Rendering

• 3D Exterior Model Design

• 3D Photomontage

 

Above mentioned renderings services are of high priority for architects, designers or builders for their construction business. 3D architectural rendering providers are available in the market today to remove your headache about your building designs. Outsourcing architectural rendering requirements to professional companies have become popular for this reason only. One can easily concentrate on their core business activities by outsourcing and can save precious time.

For more information about architectural rendering, please visit:

http://www.predsolutions.com

 

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Do you have any idea about what exactly a 3D model is? If you have ever seen a statue or monument in your existence, you by now be acquainted fairly a little regarding 3D Modeling. 3D Modeling is not anything but the formation of a personality or a representation of a thing having three dimensions (as in actual world). 3D models are crafted by a 3D model designer, using the procedure, techniques, methods and apparatus made available by computer software.

The software like 3DS Max, Maya, SoftImage etc, we use for the purpose of 3D Modeling and animation tool. The tool will provide a set of tools or apparatus that a 3D model designer can make use of to carve or model, an object in his thoughts, into a 3d computer illustration. This 3D model can be changed, animated or turned into a movie in accordance to the need of 3D model designer. A 3D model designer should be creative and innovative.

There are chiefly five types of 3D modeling, which have been discussed below:

# Primitive 3D Modeling: This is a very fundamental modeling technique and consequently has quite a few draw backs too. The software tool like 3DS Max, Maya etc provides a set of 3D primitives like spheres, boxes etc. The 3D model designer modifies these shapes to suit his/her character modeling requirements.
# NURBS 3D Modeling: it stands for Non Uniform Rational Bspline it is a mathematical curve, represented using a set of equations. If we see this modeling technique from an outer view, all we see is a set of simple curves that we call NURBS.

# Surface 3D Modeling: it is an extensively accepted modeling technique used largely for organic modeling. In this modeling technique, the 3D model designer generates a spline cage profile for the 3D character.

# Polygonal 3D Modeling: it is used for both in organic and inorganic 3D modeling. The basic principle behind this modeling technique is as the 3D model designer illustrated the shape of the model he desires to generate using the polygon tool. Then the polygon will get subdivided and extruded, so that the model gets the 3D form.

# Sub-division 3 D Modeling: it has control points and lattices that can be dragged and stimulated, to modify the original polygonal model that lies underneath. This modeling technique also permits the 3D model designer to choose the level of modification to be done in an exact area.
3D effects are frequently attained without wireframe modeling and are sometimes impossible to differentiate in the final form. Some graphic art software includes filters that can be applied to 2D vector graphics or 2D raster graphics on transparent layers.

Advantages of wireframe 3D modeling over exclusively 2D methods include: Flexibility, Ease of rendering, automatic calculation, rendering photorealistic effect, accurate photorealism.

Rapid Prototyping means the automatic production of physical items by the use of additive industrialized technology. The initial techniques for speedy prototyping became accessible in the latter part of 1980s and were utilized to manufacture models and also prototyping parts. Nowadays, they are utilized in a wider series of applications and they are also used in the manufacture of production-quality parts in fairly little numbers. Several sculptors utilize the machinery in the production of complex forms for fine arts presentations. The application of additive manufacturing machinery for speedy prototyping obtains virtual blueprint from designs taken from the computer or computer graphics software, converts them into slim, virtual, parallel cross-sections, then it forms consecutive layers up to the time the model has been completed. The virtual and physical models are almost similar in the WYSIWYG process. Through Rapid Prototyping , the device reads in information from computer aided design the drawing and sets down consecutive layers of powder, liquid and sheet materials and through this manner builds up molds from a succession of cross segments. These layers that match up with the virtual cross sections coming from CAD models are connected together or merged automatically to make the finishing shape. The main advantage of additive production is its capacity to produce majority of geometric features or any shape. The typical information boundary between the CAD software and the equipment is the file format of STL. The STL file estimates the form of a portion or assembly with the use of triangular facade. Smaller facets creates advanced quality surface. The production of model by means of modern methods may be done within several hours up to some number of days, depending in the process used and also in the size and complication in the model. Additive schemes for speedy prototyping can be able to produce typically models within few hours, though it may differ widely depending in the kind of equipment being utilized and the dimension and quantity of models to be manufactured simultaneously. Several hard free-form Rapid Prototyping utilize two materials during the construction of parts. The primary materials are the component ones and the next are the support materials (they hold overhanging features in the course of the construction). The support materials are remover later by heat or liquefied through solvents or water. The usual injection molding may be cheaper in the manufacture of polymer goods in high numbers; however, additive production can be quicker and less costly when fabricating somewhat small amounts of parts. Printers of 3D provide designers and also perception development team the capacity to manufacture parts as well as concept models with the use of desktop size imprinter. Speedy prototyping currently is joining the field in speedy manufacturing and is assumed by several experts that this will become the “next level” machinery.

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A scanner is a device that has succeeded telephotography. These days, there are different scanners being sold in the market.

A scanner is an input device that:
- scans images
- prints text
- prints handwriting
- prints an object and converts it to digital images

Kinds of Scanners
- Drum scanners have rotating drums with a one-photo detector for a standard speed of 60 or 120 rpm. Using a telephone voice line to receptor, they can send linear analog AM signals. It prints the proportional intensity on special paper synchronously. This was used from the 1920s to the 1990s.

Color photos were sent as three separated and repeated RGB filtered images. This was only used occasionally because of the transmission cost.

- Desktop scanners or flatbed scanners found in offices are common examples of scanners. Documents are placed on the glass window for scanning.
- Handheld scanners are devices moved by hand. It evolves from text scanning to 3D scanners which are used for:
• industrial design
• reverse engineering
• test measurement
• orthotics
• gaming and more

These mechanically-driven scanners are used for large-format documents. Flatbed designs are not practical.

What these scanners use:
1. Modern scanners use image sensors such as:
• Charge-coupled device (CCD) or
• Contact Image Sensor (CIS)
2. Older drum scanners use a photomultiplier tube as its image sensor.
3. Rotary Scanner uses a CCD selection instead of a photomultiplier. Rotary Scanner is used for express document scanning. This is another type of drum scanner.
4. Planetary Scanner takes photographs of books and documents.
5. 3D Scanners are used for producing three-dimensional models of objects.

Other category of scanners:
Digital Camera Scanners
This is a reprographic camera. It becomes an attractive alternative to ordinary scanners. The disadvantages of this scanner are:
• distortion
• reflection
• shadows
• low contrast

Some of the advantages are:
• speed
• portability
• gentle digitizing of thick documents without damaging the book spine

The new scanning evolution combines 3D scanners with digital cameras. This is to make:
- full color
- photo realistic 3D model objects

Flatbed Scanners possess a glass pane with a bright light. These bright lights illuminate the pane and move optical selection which may be CCD or CIS.

These lights are usually:
• xenon or
• cold cathode fluorescent

Color scanners usually have three rows of sensors with:
• red
• green and
• blue filters

The images are scanned by placing images face down on the glass. An opaque cover is lowered over it so as to cover ambient light. The sensor selection will move over the pane in order to read the entire copy. Due to the reflecting light, the image becomes visible to the charge-coupled device. See-through images do not work this way. It needs special accessories in order to light them up from the upper side.

Scanning is only a part of the process. In order to make the scanned object useful, it must be transferred to an application running on the computer.

There are two basic issues with this:
1. the physical connection of the scanner to the computer and
2. the information retrieval of the application from the scanner
The Physical Connection of the Scanner to the Computer
The amount of data gathered by a scanner can be very large.
For example: A 600 DPI 9″ x 11″ uncompressed 24-bit image. It consumes about 100 megabytes. With this, uncompressed data is transferred and stored on the computer. The latest scanners can gather this volume of data in a matter of seconds. It makes a desirably fast connection.

The Four Connections used by Scanner
1. Parallel
2. Small Computer System Interface (SCSI)
3. Universal Serial Bus (USB)
4. Fire Wire

Application Programming Interface
An application must be able to communicate with scanners such as Adobe Photoshop. There are different scanners and each scanner has different protocols. To simplify application for programming, Application Programming Interfaces were made. Hence, API gives a uniform interface to the scanner. The application does not require knowing the specific details of the scanner so as to access it directly.

In reality, there are problems with an application communicating with scanners. Maybe the application or the manufacturer of the scanner has made a mistake in their implementation of API.

Setup the UP! 3D Printer, Power on, Link to computer, and test nozzle

if i have a virus on my computer that collects info from my machine and sends it to some one else is their no way to sort of open it up and change who the information is sent back to
is their not like some sort of line of code or something that has maybe an email address or something in could you not just change it to one that you want to

this probably isnt possible but i was just curious