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Research Paper: 3D Modelling

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Added on  2020-03-16

Research Paper: 3D Modelling

   Added on 2020-03-16

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3D - Research paperAbstract 3D Modelling has travelled a long way since its inception. In today’s world, a mainstreammedia is hard to imagine without the wonders of 3D Modelling. Simultaneously, variousindustries such as Architecture, Process modelling, Automobile among others would arehighly dependent on 3D Modelling. This paper explores the 3D Modelling in the context ofModern world usage and provides a comprehensive comparison of the three most popular 3Dmodelling tools available in the market today that are 3Ds Max, Blender and Cinema 4D. 1
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3D - Research paperTable of ContentsAbstract......................................................................................................................................1Introduction................................................................................................................................3Advanced Computer Generated 3D Modelling.........................................................................3Modeling................................................................................................................................3Digitization.............................................................................................................................4Synthesis from Primitive........................................................................................................4Primitives...............................................................................................................................4Model Operations.......................................................................................................................4Animation...............................................................................................................................5Rendering...............................................................................................................................53D Tools Usage..........................................................................................................................5Comparison................................................................................................................................6Cinema 4D.............................................................................................................................6Blender...................................................................................................................................73Ds Max.................................................................................................................................8Technical Specifications comparison.........................................................................................8Powerful animation suite...................................................................................................8Python extensibility............................................................................................................9Wide import and export format support.............................................................................9Includes a complete game engine......................................................................................9Includes video editing & compositing tools......................................................................9Full suite for motion graphics and animation..................................................................10Sketch & Toon.................................................................................................................10Preset libraries and assets.................................................................................................103rd Party Plugins, Integrations and Community...............................................................10Viewport performance.....................................................................................................10Polygon Modelling...........................................................................................................11Conclusion & Summary...........................................................................................................11References................................................................................................................................122
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3D - Research paperIntroductionComputers can be used for creating animation in several different ways. One is to use 3dimensions. For this, computer programs are first used for creation of objects that are furtherrendered. This can produce 3D images that look perfect. Another method of creatinganimation is by creating different frames of pictures using pain tools and then making acomposite of them. These composite files can then be saved as a video movie. Anothermethod used for making animations is by using transitions with special effects like morphingbetween the graphics to create a video effect. Graphics are the images that are created oncomputers that are used with modifications for creating animations. A computer can createmany different types of images including simple lines or circles and complex picturesinvolving fractals and rendered animations. 3D animation tools can be used for creating suchimages.. There are several 3D modelling tools available in the market today, however, the most over-heard tools include Maxon Cinema 4D, Blender and Autodesk 3D Studio Max. There arethousands of reviews available online on animation, 3D modelling and rigging. The reviewgives an idea about how animation applications differ from each other (Breuß, Bruckstein,and Maragos ,2013). Several professionals believe that the effectiveness of the tool increating animations depend on the convenience a professional has with the application butothers believe that the effectiveness of an animation tool is majorly affected by theapplication itself. For understanding the capabilities and differences between different typesof animation applications this report would explore and compare three applications used forcreating animations with respect to each type of animation discussed.Advanced Computer Generated 3D Modelling3D animations that are created using computer graphics have two key components thatinclude models or objects and the rendering of these objects. 3D modelling involves creationof the three-dimensional databases where the world that has to be presented through theanimation is saved as a sequence of graphics while rendering involves realization of thedatabase frame by frame. A single database can be rendered in unlimited ways. Modelling isa fast and interactive process while rendering happens slowly and batch wise. This differencein the speed disappear with faster computing hardware.3
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3D - Research paperModelingOne of the challenging part of computer animation is getting animation objects in thecomputer for the creation of an object database. This is called the modelling process whichcan be accomplished either by scanning the input objects or by using interactive synthesis ofprimitives.DigitizationDigitization or input scanning can be done in different ways. One way of 3D digitization isentering of 3D coordinates of the objects in the computer using specialized devices called “3-D digitizers". In absence of these devices, the process of entering coordinates can be verytedious.Synthesis from PrimitiveInteractive programs can be used for creating synthesized object models from multipleprimitive shapes very accurately. This type of modelling is called “solids modelling” in termsof CAD/CAM systems. This involves tolerance, insistence, and dimensioning of objects thatcan be realized such as a metal piece.PrimitivesCommon primitive shapes that can be used for making animations include cones, cylinders,spheres, ellipsoid, hyperboloid, paraboloid, and their superquadratic generalizations, torus orhonorary quadratic generalizations, biquadratic or bilinear patches, and bicubic or rationalversions of polygons. Other primitive shapes include points, lines, and surfaces such assilhouttes or splines. Many of these shapes can be divided into other primitive shapes such aspolygons or manipulated in an intuitive form in the modelling stage.Procedural Models3D models have some basic building blocks that are called primitives such as fractals andprocedural models. Fractal model uses a controlled process of randomization which can thenbe applied to a more detailed model. Fractals can be listed as a part of model operations. It isdifficult to describe these models as combinations of primitives or their fractals. An exampleof procedural models or program defined models is the fire by Bill Reeves in the Star Trek II- The Wrath of Khan, a movie that was produced by Lucas Film. Another example of fractaltechnique is the animation by Loren Carpenter of Lucasfilm.4
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