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Topic: Axonometric projection

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	Axonometric projection - Wikipedia, the free encyclopedia
		The three types of axonometric projections are isometric projection, dimetric projection, and trimetric projection.
		In isometric projections the direction of viewing is such that the three axes of space appear equally foreshortened, of which the displayed angles among them and also the scale of foreshortening are universally known.
		In dimetric projections, the directions of viewing are such that two of the three axes of space appear equally foreshortened, of which the attendant scale and angles of presentation are determined according to the angle of viewing; the scale of the third direction (vertical) is determined separately.
	en.wikipedia.org /wiki/Axonometric_projection (308 words)

	GameDev.net - Axonometric Projections - A Technical Overview
		In the projection, the y-axis usually remains the vertical axis, the z-axis is skewed and the x-axis may either be horizontal, as in the figure at the right, or be skewed as well.
		NEN 2536 describes an isometric projection that is symmetric with regards to the vertical axis; the angle between the x- and y-axes, and between the z- and y-axes, is 60 degrees.
		In the military projection, the angles of the x- and z-axes are at 45°, meaning that the angle between the x-axis and the z-axis is 90°.
	www.gamedev.net /reference/articles/article1269.asp (3733 words)

	[No title]
		In both multiview projection, and axonometric projection, the observer is considered to be at infinity, and the visual rays are perpendicular to the plane of projection.
		Since the principal edges and surfaces of the object are inclined to the plane of projection, the lengths of the lines, the sizes of the angles, and the general proportions of the object vary with the infinite number of possible positions in which the object may be placed with respect to the plane of projection.
		Axonometric projections are classified as (a) isometric projection, (h) dimetric projection, and (c) trimetric projection, depending upon the number of scales of reduction required.
	www.public.asu.edu /~detrie/pages/design_foundation/pages/drawing_technical.html (6400 words)

	MOI (Site not responding. Last check: 2007-10-22)
		An axonometric drawing of an object is slightly distorted but is visually as satisfactory as an axonometric projection of it.
		The angle between the projection of the axes in an isometric projection is 120 degrees.
		Axonometric trace lines intersect so drawing a line from the point of intersection on the 'X' axis to some point on the 'Y' axis and perpendicular to the 'Z' axis gives the second trace of the axonometric plane in question.
	www.ul.ie /~rynnet/keanea/moi.htm (1359 words)

	PlaneView 3D Planar Geometric Projections Tutorial
		To project the top view of the 3-D object, the y-coordinates are discarded and the x- and z-coordinates for each point are mapped to the viewplane.
		Unlike multiview projections, axonometric projections allow the user to place the viewplane normal in any direction such that three adjacent faces of a "cubelike" object are visible.
		Axonometric projections are further divided into three classes that depend upon the number of major axes which are foreshortened equally (Hill, 1990).
	www.mtsu.edu /~csjudy/planeview3D/tutorial-parallel.html (1273 words)

	Isometric projection article - Isometric projection orthographic projection axonometric projection three-dimensional - ... (Site not responding. Last check: 2007-10-22)
		Isometric drawing of a TV Isometric projection is a form of orthographic projection, or more specifically, an axonometric projection.
		It is a method for the visual representation of three-dimensional objects in two dimensions in which the angles between the projection of the x, y, and z axes are all the same, or 120°.
		Isometric projection is one of the projections used in drafting.
	www.what-means.com /encyclopedia/Isometric (254 words)

	TRACEY - representation - Riley
		Perspective projections may be classified as convergent since their projectors converge on a point in front of the plane of projection, assumed to be a viewer's eye.
		Planometric oblique projection is a special case of oblique projection, often inaccurately called 'axonometric', where the plan face of the object is parallel to the plane of projection (and usually rotated through 45º) and projectors are inclined obliquely to the plane of projection.
		This family of projection conventions as defined by BS 1192 differs from orthographic and oblique projections because the projected lines from the object to the plane of projection are not parallel, but converge to a point, generally regarded as the position of an observer's eye.
	www.lboro.ac.uk /departments/ac/tracey/rep/riley.html (2561 words)

	Isometric Projection (Site not responding. Last check: 2007-10-22)
		Isometric projection is one of the three forms of axonometric projection.
		In isometric projection the angles between the projection of the axes are equal i.e.
		It is important to appreciate that it is the angles between the projection of the axes that are being discussed and not the true angles between the axes themselves which is always 90º.
	www.ul.ie /~rynnet/keanea/isometri.htm (1628 words)

	Fundamentals of Graphics Communication \| Chapter Outline
		Axonometric and oblique pictorial sketches use a parallel projection technique and are frequently used in technical documents, sales literature, maintenance manuals, and documentation supplements in engineering drawings.
		Axonometric projection is a parallel projection technique used to create pictorial drawings of objects by rotating the object on an axis relative to a projection plane to create a pictorial view.
		Axonometric drawings are classified by the angles between the lines comprising the axonometric axes.
	highered.mcgraw-hill.com /sites/0072322098/student_view0/chapter_7/chapter_outline.html (1960 words)

	Isometric projection - Wikipedia, the free encyclopedia
		Isometric projection is one of the projections used in drafting engineering drawings.
		It should therefore be noted that this variation of isometric projection is more accurately described as a form of dimetric projection, since only two of the three angles between the axes are equal (116.565°, 116.565°, 126.87°).
		Explanation of isometric projection from the University of Limerick
	en.wikipedia.org /wiki/Isometric_projection (459 words)

	cfxweb - Axonometric projections - a technical overview
		In the 2-dimensional projection, the y-axis usually remains the vertical axis but the x- and z-axes are often skewed.
		The goal of this paper is to present two common axonometric projections, the isometric projection (briefly introduced above) and the dimetrical projection and to provide answer to the questions above (well...
		Noticeable in the projection is that the x-axis stays horizontal, even though the z-axis has quite a low angle (approximately 30 degrees).
	www.cfxweb.net /modules.php?name=News&file=print&sid=64 (2784 words)

	esm_giesecke_8\|Technical Drawing\|Concept Questions\|Chapter 16
		Axonometric projection rotates the object so that all three dimensions can be seen in one view.
		In axonometric projection, the observer is considered to be at a fixed distance from the object.
		An isometric projection is one which all angles between the axonometric axes are equal.
	wps.prenhall.com /esm_giesecke_8/0,8217,1003282-,00.utf8.html (246 words)

	CS4390-Projections-Parallel Projections (Site not responding. Last check: 2007-10-22)
		Orthographic:Direction of projection is orthogonal to the projection plane.
		Axonometric: Projection plane is not orthogonal to a principle axis.
		Oblique: Direction of projection is not orthogonal to the projection plane; projection plane is normal to a principle axis.
	www.cc.gatech.edu /gvu/multimedia/nsfmmedia/graphics/notes/vue3d/projs/projs03.html (58 words)

	Projection Principles (Site not responding. Last check: 2007-10-22)
		With a multiview projection, the projection lines are oriented parallel to one of the principle axes of the object.
		Axonometric projections are classified according to the orientation of the principle axes relative to the projected surface.
		Parallel project mimics the case were the 'viewer' is infinitely far away from the object.
	www2.ncsu.edu:8010 /unity/lockers/project/scivishome/lessons/projprinc/projprinc.html (2215 words)

	Axonometric projection -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-22)
		Within (Click link for more info and facts about orthographic projection) orthographic projection, there is an ancillary category known as pictorials.
		Pictorials show an image of an object as viewed from a skew direction in order to reveal all three directions ((An edge tool with a heavy bladed head mounted across a handle) axes) of space in one picture.
		The three types of axonometric projections are (Click link for more info and facts about isometric projection) isometric projection, (Click link for more info and facts about dimetric projection) dimetric projection, and (Click link for more info and facts about trimetric projection) trimetric projection.
	www.absoluteastronomy.com /encyclopedia/a/ax/axonometric_projection.htm (342 words)

	Fundamentals of Graphics Communication \| Chapter 7 Key Terms
		(n) An axonometric projection in which three of the axes are measured on the same scale and are at the same angle relative to each other.
		An isometric drawing is less pleasing to the eye than other types of axonometric projections, but it is the most common since it is the easiest to draw.
		(n) An axonometric projection in which none of the three axes is measured on the same scale or is at the same angle relative to the others.
	highered.mcgraw-hill.com /sites/0072322098/student_view0/chapter_7/key_terms.html (929 words)

	OBLIQUE PROJECTIONS (Site not responding. Last check: 2007-10-22)
		Oblique projections are generated when the line of sight (projection direction) is not in the same direction as the normal of the projection plane.
		The projection plane is perpendicular to a principle axis of the object.
		The front face is dimensionally true like the elevation projection but multiple sides are displayed as in the axonometric projection.
	www.cs.fit.edu /wds/classes/cse5255/cse5255/bordelon/oblique.html (172 words)

	Articles - Graphical projection (Site not responding. Last check: 2007-10-22)
		In isometric pictorials (for protocols see isometric projection), the direction of viewing is such that the three axes of space appear equally foreshortened, of which the displayed angles among them and also the scale of foreshortening are universally known.
		In dimetric pictorials (for protocols see dimetric projection), the direction of viewing is such that two of the three axes of space appear equally foreshortened, of which the attendant scale and angles of presentation are determined according to the angle of viewing; the scale of the third direction (vertical) is determined separately.
		In oblique projections parallel projectors are imagined to emanate from all points of an imaginary object and which strike the projection plane at an angle other than ninety degrees - as opposed to orthographic projectors, which strike the plane of projection at ninety degrees.
	gaple.com /articles/Graphical_Projection?mySession=5d30c5ae838835aa6... (939 words)

	testi (Site not responding. Last check: 2007-10-22)
		For all the projections it is able to modify the forms of representation, for example by turning the direction of projection around the axis origin; maintaining, however, the relationship between the view window and the class of projection.
		The axis X, Y and Z, the projection plane (in blue) and the direction of projection (in green) are represented at the top in orthographic isometric axonometry from the first positive square.
		In the case of orthographic projections or oblique axonometry for which the plane of projection is parallel to the picture, the distance is the actual one.
	brezza.iuav.it /dpa/ricerche/trevisan/base3.htm (5550 words)

	Orthogonal Axonometry (Site not responding. Last check: 2007-10-22)
		The axonometric triangle XYZ is a triangle with all acute angles, in the case of the orthogonal axonometry.
		Axonometric ground view of the side plane is in the view of the axis y, axonometric front view in the view of the axis z,
		Cavalieri perspective is an oblique projection with the image plane parallel to the frontal plane or the side plane.
	www.km.sjf.stuba.sk /Geometria/PREDNASKY/aaxon.htm (949 words)

	Articles - Graphical projection (Site not responding. Last check: 2007-10-22)
		Graphical projection in the visual sciences is an imaging procedure the protocols of which preclude the necessity of mathematical calculation.
		Graphical projection is a protocol by which an image of an imaginary three-dimensional object is projected onto a plane surface by the use of imaginary "projectors".
		Orthographic projection is derived from the principles of descriptive geometry and may produce an image of a specified, imaginary object as viewed from any direction of space.
	www.gaple.com /articles/Graphical_Projection?mySession=5d30c5ae838835aa62381e7ee11dae3a (939 words)

	axonometric projection
		Three-dimensional drawing of an object, such as a building, in which the floor plan provides the basis for the visible elevations, thus creating a diagram that is true to scale but incorrect in terms of perspective.
		Vertical lines are projected up from the plan at the same scale; the usual angle of projection is 45°.
		An isometric projection is a slightly flattened variation.
	www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0039682.html (137 words)

	PlaneView3D Help Section - Applet Interface
		As with the projection of the object in the world coordinate system, axes are shown in relation to the object for all views with the exception of multiview projections.
		Axonometric projections, listed next within the Projection Type choice box, are divided into isometric, dimetric, and trimetric projections.
		Cabinet and cavalier projections comprise the oblique projection type while one-point and two-point perspective projections are included in the final group.
	www.mtsu.edu /~csjudy/planeview3D/help-interface.html (940 words)

	CT30574E: Graphics Programming and Animation - Week 1
		The object as either being projected on the film plane or on a projection plane where the object will not be upside down.
		All points of the object can be projected to the surface along parallel lines, or the points can be projected along lines that converge to a position called the centre of projection.
		The projectors are perpendicular to the projection plane.
	mercury.tvu.ac.uk /gpa/gpa_07.html (755 words)

	exercise 2 (Site not responding. Last check: 2007-10-22)
		The lines and points that describe an object are ‘projected’ onto the flat piece of paper using parallel lines, so that there is a verifiable relation between the lines on the object and the lines on the page.
		Axonometric drawings — plan obliques and elevation obliques (see Ching) are axonometric drawings, at least as far as this exercise is concerned.
		Your task in 2.3 is to employ a particular type of axonometric drawing as a mechanism for further speculation and/or redescription of the cube produced in 2.2.
	herring.cc.gatech.edu /cooldaze/1130 (6674 words)

	Trimetric projection - Wikipedia, the free encyclopedia
		Trimetric projection is a form of axonometric projection, where the direction of viewing is such that all of the three axes of space appear unequally foreshortened.
		Some computer and video games use trimetric projections in their graphics.
		Explanation of trimetric projection from the University of Limerick
	en.wikipedia.org /wiki/Trimetric_projection (112 words)

	Computer Aided Design - Isometric Projection
		ISOMETRIC PROJECTION Isometric projection is the most frequently used type of axonometric Figure 3-6 shows a cube projected by isometric projection.
		The most common axonometric projection is an isometric projection where the projection Isometric Projection.
		The angle between the projection of the axes in an isometric projection is 120 In isometric projection the traces of the axonometric projection form an
	www.tedcad.co.uk /isometric_projection.html (206 words)

	a transformative spline structure
		The 'dog biscuit' shape is this same curve which, in the next picture, projects a near perfect circle profile.
		The fact that the triploid curve now projects, as a nearly perfect circle is what grabs me. This projection coincides with the pyramidal- plan overview aspect of the tetrahedron.
		Right> these last two perspective projections display the transformative profile of this particular triploid curve, (refering to casual observations of the general shape).
	www.midcoast.com /~bo/frame16444.html (719 words)

	Constantine Anderson's Axonometric Projection of Manhattan - Wired New York Forum
		I came across this forum in my efforts to find a place that I might be able to buy Constantine Anderson's Axonometric Projection of Midtown Manhattan.
		Also included are the Ludington "axonometric" bird's-eye view maps of several US cities.
		Axonometric is a method of projection in which buildings are drawn with their horizontal and vertical axes to scale but with curved lines and diagonals distorted.
	www.wirednewyork.com /forum/showthread.php?p=54812#post54812 (1343 words)

	axonometric projection
		In axonometric projections, the observer is located at infinity and the visual
		A key feature of axonometric projections is that the object is inclined toward
		projection, the length of the lines, sizes of the angles, and proportions of the
	www.tpub.com /content/draftsman/14276/css/14276_316.htm (161 words)

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