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Topic: Wire frame model

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	Wire frame model - Wikipedia, the free encyclopedia
		A wire frame model is a visual presentation of an electronic representation of a three dimensional or physical object used in 3D computer graphics.
		Since wireframe renderings are relatively simple and fast to calculate, they are often used in cases where a high screen frame rate is needed (for instance, when working with a particularly complex 3D model, or in real-time systems that model exterior phenomena).
		The wire frame format is also well suited and widely used in programming tool paths for DNC (Direct Numerical Control) machine tools.
	en.wikipedia.org /wiki/Wire_frame_model (263 words)

	Wire frame model -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-07)
		A wire frame model is a visual presentation of an electronic representation of a three (Click link for more info and facts about dimensional) dimensional or physical object used in (Click link for more info and facts about 3D computer graphics) 3D computer graphics.
		Since wireframe renderings are relatively simple and fast to calculate, they are often used in cases where a high screen frame rate is needed (for instance, when working with a particularly complex 3D model, or in (Click link for more info and facts about real-time) real-time systems that model exterior phenomena).
		The wire frame format is also well suited and widely used in programming tool paths for DNC (Digitally Numerically Controlled) machine tools.
	www.absoluteastronomy.com /encyclopedia/w/wi/wire_frame_model.htm (296 words)

	Structural models (Site not responding. Last check: 2007-10-07)
		A similar model is the chicken-wire model, which represents surfaces by only drawing the vectors of the polygon mesh of the surface.
		Wire-frame model of ferrocene together with the chicken-wire representation of the space-filling model.
		In the stick model representation, each chemical bond is represented by one colored cylinder, but the atoms located at the endpoints are not explicitely drawn.
	scsg9.unige.ch /fln/eng/partie1a.html (318 words)

	image (Site not responding. Last check: 2007-10-07)
		The fifth floor model originally consisted of only the main wall structures, floor, ceiling (with lights), doors, and floor molding and did not include various items such as door placards, bulletin boards, etc., all of which significantly impact the edges which are extracted from a video image.
		Although having an accurate model of the robot's operating environment is fundamental to the foundation for object recognition, it would be useless without any means by which to project the three-dimensional view onto the two-dimensional image plane for matching purposes.
		The data generated by the video frame grabber is stored in a 32 bit format with eight bit values for the level of red, green, and blue intensity of each pixel in the image, giving a range of 0 to 255.
	www.cs.nps.navy.mil /research/yamabico/manual/image.html (4348 words)

	System and method for the coordinated simplification of surface and wire-frame descriptions of a geometric model - US ... (Site not responding. Last check: 2007-10-07)
		Factors such as the size in screen space of the rendered model distance from the viewer, relative importance of the model requested frame rate, relative motion between the viewer and the model, are used to select a simplified representation of the original model.
		However, as the complexity of the geometric model increases, the number of polygons and line segments that need to be rendered to convey the surface description and the wire-frame description grows, and it becomes increasingly difficult for the computer to render the visualization at the rates required for interactive inspection (3 Hz-30 Hz).
		The surface and vire-frame descriptions of the geometric model and/or finite element mesh 503 are extracted from a geometric model 501, a finite element mesh 510, or both.
	www.patentstorm.us /patents/6570568.html (4341 words)

	Wire frame model - Wikipedia
		wire frame model is a term used in the art of making two dimensional visualizations of three-dimensional objects, scenes and alike.
		The wire frame model is a special stage in the devolopement process of such drawings or designs where surfaces are approached by small planar areas which are displayed by drawing their delimiting lines.
		The use of a wire frame model can show up the underlying design structure of a 3D-model.
	nostalgia.wikipedia.org /wiki/Wire_frame_model (132 words)

	Solid Modeling With AutoCAD (Site not responding. Last check: 2007-10-07)
		Wire Frame models do not have surfaces or physical properties such as mass, volume, center of gravity and moments of inertia.
		The surface model does have surface area but otherwise is essentially like the wire frame model.
		A solid model is a real three dimensional representation with physical properties of surface area, mass, volume, center of gravity, moments of inertia, and radius of gyration.
	www.noccc.org /bytes/revubook/v01/167.html (488 words)

	[No title]
		Wire frame displays are easier to work with during model construction since the display is regenerated much more quickly than a shades solid.
		CADKEY employs wire frame model construction using lines, arcs, conic sections, and splines for defining the edges and shape of the objects.
		This surface is divided into surface patches as illustrated in the wire frame display of a ship's hull shown in figure 1.3.
	www.engr.mun.ca /~dfriis/cadkey/program/textch1.html (1155 words)

	[No title] (Site not responding. Last check: 2007-10-07)
		The representation of complex models as a collection of primitive objects and modificators is kept until models are transformed into wire-frame representations.
		Other reasons for the inclusion of cameras into the model is that they are part of the model as much as all other objects are and that the final wire-frame model can provide appropriate view information to the post-processing software.
		Since any model created by the Geomatrix Library can be included in other models as a complex object, the use of a database to store the XML descriptions is very useful to easily reference reusable parts of other models.
	www.geomatrix.org (625 words)

	Modeling Myoglobin (Site not responding. Last check: 2007-10-07)
		The model was constructed of precicely bent wire segments to represent the amino acids, each fragment fastened to its neighbors using links that were screwed together.
		Wires were stretched throughout the structure to ensure that the various parts were held in proper alignment.
		With digital technology, it is also possible to switch between the wire-frame model and the space-filled representation, or to show different portions of the model in different modes.
	molvis.chem.indiana.edu /tour/myoglobin_model.html (163 words)

	VRML Possibilities: The Evolution of the Glasgow Model (Site not responding. Last check: 2007-10-07)
		However, once constructed, these models proved genuinely useful to a wide range of users and there was soon a demand for more functionality relating to the manipulation not just of the graphics, but also the range of urban attributes.
		Since the model of the building itself may be nothing more than a basic block within the city context, the facade is expressed as a photograph displayed in another frame.
		The ship evacuation model uses the facilities ability to control the inclusion of 'fog' or 'smoke' in the environment, where as the accident investigation work depends on clear visualisation of specially constructed engineering models.
	iris.abacus.strath.ac.uk /gary/papers/glasgow-model.htm (3756 words)

	Wire frame model: Definition and Links by Encyclopedian.com - All about Wire frame model
		A wire frame model is an electronic representation of a 3-dimensional or physical object.
		Since wireframe renderings are relatively simple and fast to calculate, they are often used in cases where a high screen refresh rate is needed (for instance, when working with a particularly complex 3D model, or in real-time systems that model exterior phenomena).
		This allows the designer to quickly review changes or rotate the object to new desired views without long delays associated with complete realistic rendering.
	www.encyclopedian.com /wi/Wire-frame-model.html (252 words)

	Mesh Generation on Curved Wire-Frame Models (Site not responding. Last check: 2007-10-07)
		In structural analysis, the wire-frame models are often employed to represent the shapes of curved faces.
		In practice, however, wire-frame models are often employed to represent the shapes of curved surfaces in structural analysis.
		A wire-frame model does not define the inside of a face; therefore, a smooth surface obtained by minimizing the strain energy of the thin-plate-bending model can be generated from a wire-frame model by using FEM.
	www.trl.ibm.com /projects/meshing/srffit/srffitE.htm (476 words)

	Animation
		A wire frame model is actually made up of a series of perpendicular lines following the contours of the object.
		Once the model is ready, color and texture are added to the model and lights placed in 3D space around the object.
		He/she only creates the 3D wire frame, assigns colors and texture to the object and places the lights in the scene; the actual painting of the still image is done by the software.
	www.geocities.com /Hollywood/Makeup/9472/animate.htm (857 words)

	Macworld: Secrets: Create
		On the right is a close-up of a bevel on the card's edge, which he added so that light would hit the edge more gently in the final image.
		Magiera modeled some elements of the card, such as the edge, individually so he could control them with greater precision.
		Maya first had to render the image; that is, calculate all the aspects of the model and crunch data about the shapes, texture, and camera settings.
	www.macworld.com /2004/07/secrets/augustcreate/index.php?pf=1 (951 words)

	Method for selecting silhouette and visible edges in wire frame images in a computer graphics display system - Patent ...
		When the scanconversion process is complete, the frame buffer is unmasked and the frame buffer is updated with color values for the tessellation edges of the object at a distance in front of the visible faces of the object in relation to a chosen viewpoint.
		The pixels of the display screen then display according to the frame buffer color values producing an image in which the visible faces do not obscure the visible tessellation edges, and the hidden tessellation edges are obscured by the visible faces.
		In particular, for example, the function of masking the frame buffer may be obtained by temporarily selecting an alternate frame buffer (usually used for double buffering) during scanconversion and the depth buffer comparison test.
	www.freepatentsonline.com /5359704.html (8557 words)

	Polygon (computer graphics) - Wikipedia, the free encyclopedia
		Usually (but not always) triangular, polygons arise when an object's surface is modeled, vertices are selected, and the object is rendered in a wire frame model.
		This is cheaper to display than a shaded model; thus the polygons are a stage in computer animation.
		The polygon count refers to the number of polygons being rendered per frame.
	www.wikipedia.org /wiki/Computer_graphics_polygon (105 words)

	Method and apparatus for defining surfaces of three-dimensional object from three-dimensional wire-frame model - Patent ...
		While such wire-frame models enable a human being to imagine three-dimensional objects, each wire-frame model is nothing but a group of edges (segments), namely, consists of a list of coordinate values of vertices (apices) in a three-dimensional coordinate system, and a list of the edges or segments each connecting the adjacent vertices.
		Accordingly, the efficiency of surface definition on the basis of the three-dimensional wire-frame model according to the present invention is significantly improved.
		In the present embodiment of the invention, which is applicable to the three-dimensional wire-frame model for the cube 32, for example, the edge pair pointing means 38 operates in steps SA2 and SA3 to sequentially point the pairs of edges, each pair consisting of two mutually connected edges which lie on the same plane.
	www.freepatentsonline.com /5971583.html (5153 words)

	Low Poly wire Frame (Site not responding. Last check: 2007-10-07)
		It is an example of the proper amount of faces for an efficient model.
		Smoothed, this model will provide just as smooth an image as the one I did but, overall, will be much easier on processer usage, making the job much less frustrating and time consuming.
		In the "low poly" I did, I was taking conciderable amounts of time just to manipulate all the facets into the correct relationship.
	robertellisonimaging.com /framesetdocs/graphics/galleries/3-d/hand%202/pages/lowpolywire.html (95 words)

	Internetworking (2.1): Article-Separating Content from Visuals
		In our process, we use the wire frame to identify the location and type of content that will be on the site long before we have actual content.
		Before we used wire frames, our visual designers had to make a lot of guesses about what they were designing to -- for example, the amount and type of content.
		Because your wire frame is simple in design and doesn't include any fancy coding, it is likely to meet any accessibility requirements that your text-only site must adhere to.
	www.internettg.org /newsletter/mar99/wireframe.html (1764 words)

	Vehicle Tracking: Methodology of Solution (Site not responding. Last check: 2007-10-07)
		For changing the matrix, we compare pixels of the image with the corresponding edge of the CAD model, while doing this we keep track of the percentage of pixels matching and this is the parameter which determine the dx and dy values.
		For detecting the vehicle in the given frames, the initial car position is supposed to be input by the user in the first frame.
		The car model is moved in the x direction till there is no better match in x direction for 20 steps.
	www.cse.iitk.ac.in /~amit/courses/AI/98/rgupta/method.html (509 words)

	slide (Site not responding. Last check: 2007-10-07)
		The Wire frame model is used for fast drawing on the screen and for see through.
		The Surface model is often used for rendered 3D images.
		The Solid model must be used to calculate correct volumes and intersections between models.
	it.civil.auc.dk /it/education/slides/wire_model.html (40 words)

	Images demonstrating how a rendered 3D model is made
		Several software programs and intermediary steps are needed in the process, which moves from the 2D architectural plan, to a 3D model, to the application of textures and colors to the surfaces of model, and then to the generation of a fully rendered image (or conversion to virtual reality).
		The computer model itself is constructed using a CAD (Computer-Aided Design) program, where lines on the scanned plan become scalable lines (vectors) that the computer can understand as having lengths and endpoints.
		We then set the speed that the camera moves along the path (akin to walking speed, for example) and then set the number of frames per second for the playback (for example, 30 or 40 frames per second) and the length in seconds that the camera should move.
	www.learningsites.com /NWPalace/RenderProcess.htm (1087 words)

	Wire Frame Project (Site not responding. Last check: 2007-10-07)
		An object is represented by a wire frame idea (a polygon mesh).
		Thus, we see the object as being modeled as a series of polygons built from points (vertices) that are on the surface of the object.
		Draw the wire frame model by using the polyline of polygon OpenGL commands.
	cs1.bradley.edu /public/jcm/cs535WireFrameProj1.html (634 words)

	COPRA for Drawn Tubes
		A 3-dimensional wire frame model is generated, where characteristic points of the cross section´s geometry are defined.
		As if you had modelled the forming process by a rubber band you are now able to determine every wire´s elongation separately.
		The wire frame diagram verifies that the critical areas of the U-section with crimping are having approximately the same elongation values than the strip edge of the U-section (about 0.9%).
	www.roll-design.com /en/strip-edge-strain.htm (1004 words)

	Marigraph - Model (Site not responding. Last check: 2007-10-07)
		Our work is based on two- and three-dimensional computer models, which we create according to customer specifications or derive from existing CAD data.
		Creating a three-dimensional model may at first be more time-consuming than creating a conventional two-dimensional drawing with multiple views.
		In addition to technical areas of application three-dimensional computer models allow animation and high resolution, realistic images for presentation purposes as included in our range of offered components.
	www.marigraph.com /en_pge_model.html (154 words)

	Anta Wire Frame Model (Site not responding. Last check: 2007-10-07)
		Notice the distortion in the attic base of the engaged column in the western corridor.
		This is due to an error in the solution for that section of the model.
		With the addition of another photograph at an angle to describe this region, this error could be corrected.
	www.lems.brown.edu /%7Evote/antawire.html (48 words)

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