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# Topic: Arc (geometry)

 Search Results for "Geometry" ...differential geometry, branch of geometry in which the concepts of the calculus are applied to curves, surfaces, and other geometric entities. ...algebraic geometry, branch of geometry, based on analytic geometry, that is concerned with geometric objects (loci) defined by algebraic relations among their coordinates... ...arc, in geometry, in geometry, a curved line or any part of it; in particular, a portion of the circumference of a circle. www.bartleby.com /cgi-bin/texis/webinator/sitesearch?query=Geometry&filter=colReference   (264 words)

 Secant (geometry) - Search Results - MSN Encarta Secant (geometry), a line, line segment, or ray that intersects a circle or other curve at two and only two points. Arc Secant, in trigonometry, the inverse of the secant function. Geometry may be thought of as the science of space. encarta.msn.com /Secant_(geometry).html   (151 words)

 Concepts of Geometry An arc of a circle is measured in degrees, according to the angle formed by joining its two ends to the center of that circle. When applied to transformational geometry, the determinant of a 2 × 2 matrix signifies the ratio of the area of the transformed shape to the original and its sign (plus or minus) denotes whether the image is direct (the same way round) or indirect (a mirror image). in geometry, a curve formed by cutting a right circular cone with a plane so that the angle between the plane and the base is greater than the angle between the base and the side of the cone. library.thinkquest.org /C007273/geomconcept.html   (3786 words)

 Spherical geometry Summary Spherical geometry is the three-dimensional study of geometry on the surface of a sphere. It is the spherical equivalent of two-dimensional planar geometry, the study of geometry on the surface of a plane. Spherical geometry is the geometry of the two-dimensional surface of a sphere. www.bookrags.com /Spherical_geometry   (1727 words)

 [No title] Arcs are the wires in a technology, and they are constructed from pieces of geometry on the layers. For example, a p-device arc will have an N-well, or N substrate under it, and a p-type diffusion will end up as part of the drain or source of the P transistor to which it is connected. The length of the arc is not important, but the smaller dimension is presumed to be the width and defines the default for this arc type. www.staticfreesoft.com /jmanual/mchap08-05.html   (714 words)

 XPCE Manual   (Site not responding. Last check: 2007-09-22) An arc object is a graphical object that represents part of an ellipse. An arc is a subclass of class joint and thus may have arrows at either end. Arcs may be used to construct piecharts as well as to display a bounded connection line. gollem.science.uva.nl:8080 /man?for=arc   (764 words)

 Deprojection In the TAN (tangent) or gnomic geometry, the projection of a point of the celestial sphere onto the plane is found by extending the line from the center of the sphere to the point on the tangent plane. In the SIN (sine) or orthographic geometry, common in radio aperture synthesis, the projection point is on the perpendicular between the point on the sphere and the surface of the tangent plane. In the ARC geometry, the projection point is on an arc passing through the point on the sphere and the tangent plane, with the center of the arc at the reference point. heasarc.gsfc.nasa.gov /docs/heasarc/fits/users_guide/node59.html   (502 words)

 arc - Encyclopedia.com arc in geometry, a curved line or any part of it; in particular, a portion of the circumference of a circle. The length s of an arc of a circle of radius r and subtending a central angle of θ radians is s = r θ; if θ is measured in degrees, then the arc is given by s =2π r θ/360. ARC introduces the new VRaptor Media Architecture: A configurable and scalable solution for complex media processing tasks; 70x more efficient than legacy "fixed architecture" offerings. www.encyclopedia.com /doc/1E1-arc-geo.html   (496 words)

 Geometry and Topology - Numericana Geometry from the Land of the Incas by Antonio Gutierez. The length of the arc between two points is obtained by adding or subtracting two such quantities (possibly adding a multiple of a quarter of the perimeter as well). The radius of each such arc is either R or R+D, where D is the (constant) diameter of the original shape with sharp corners... home.att.net /~numericana/answer/geometry.htm   (7688 words)

 GEOMETRY LINE CIRCLE pnam radius [plane] or: ... pnam1 pnam2 pnam3 In one form four 90 degree arcs of given radius with a centre at the specified point are created; the second form creates a circle formed of arcs connected to the three points. Creates four 90 degree arcs centred on PCENTRE with a radius of.5534 in a plane normal to the (0 1 0) direction, ie y-direction, with the end points of the arcs being created at 90 degrees from the starting position defined by the vector (.707 0.707) ie at 45 degrees to the X axis. The points given are used in the arc definitions an additional point may also be generated as any arc over 170 degrees will be split into two. www.princeton.edu /~dynaflow/femgv/manuals/userman/node148.htm   (345 words)

 Anton Krutz - Violin Geometry Mirrored 3 point arcs are then connected through the centerline with the arc tangent to the arch line. The middle section of the arcs (which will be used in the final instrument arch) are determined for the top plate by using the golden division of 1/2 the arc (centerline to edge), hile the back arcs use the golden division ^2of the arc. So the arcs formed crossways on the upper bout are fuller than the arcs on the lower bout. www.kcstrings.com /anton-krutz-geometry.html   (575 words)

 Geometry of Solar Eclipses A direct consequence of this fortuitous geometry is that during a total solar eclipse, the Moon occults the Sun with a nearly perfect fit. Eclipse geometry is complicated by the fact that Earth's orbit around the Sun is elliptical. Such a geometry results in the case of an annular solar eclipse. sunearth.gsfc.nasa.gov /eclipse/SEhelp/SEgeometry.html   (769 words)

 GEOMETRY LINE ARC [lnam] pstart pend pcentre [paxis] [divn] This command is used to define an arc of less than 180 degrees via three points name of a point which is the centre of the arc. If the distance between the start point and centre point and the end point and centre point of a three point arc definition is not the same then a curve with a radius which varies linearly with angle will be created. www.princeton.edu /~dynaflow/femgv/manuals/userman/node147.htm   (345 words)

 Springer Online Reference Works Geodesic line), and for this reason their role in spherical geometry is the same as the role of straight lines in planimetry. However, whereas any segment of a straight line is the shortest curve between its ends, an arc of a great circle on a sphere is only the shortest curve when it is shorter than the complementary arc. Spherical geometry differs from planimetry in many other senses; for example, there are no parallel geodesic lines: two great circles always intersect, and, moreover, they intersect in two points. eom.springer.de /s/s086680.htm   (848 words)

 SparkNotes: Circles: Terms Arc - Two endpoints on a circle and all of the points on the circle between those two endpoints. Circle Segment - The region within a circle bounded by a chord of that circle and the minor arc whose endpoints are the same as those of the chord. Sectors - A region inside a circle bounded by a central angle and the minor arc whose endpoints intersect with the rays that compose the central angle. www.sparknotes.com /math/geometry1/circles/terms.html   (321 words)

 ARC Science Simulations: OmniGlobe ARC's innovative spherical display provides museums, corporations, institutions, and other exhibit venues an exciting new opportunity for global visualizations and compelling, attention getting presentations. ARC created the time-lapse images from original paleo-geographic art by geologist/artist Dr. Ronald Blakey at the University of Northern Arizona, with plate positions based primarily on the work of C. Scotese, PaleoMap Project. ARC can customize the animation with running year labels, identification labels, line graphics, and tracing the position through tectonic time of a present day location of region. www.arcscience.com /omni.htm   (1082 words)

 Geometry Selections After the geometry has been selected it can be sorted automatically using a nearest point search. Leader options include arc in-out, line in-out, corners, and options for supressing the out leader, adding a pilot hole location, line to arc to geometry for cutter compensation activation, and direction control (CW or CCW). The methods of geometry selection and the leader generation system are all very flexible to allow you the most choices possible to define your program paths. www.autocode.com /aco/use4.htm   (330 words)

 t52b in fm04 The eastern arc, oriented sub-parallel to relative motion, is dominated by transcurrent tectonism. Variations in the level and depth of seismic activity along the western arc suggest that the northwestern section of the arc represents a subduction boundary, whereas the southeastern section represents a collision boundary. The Hellenic Arc is subjected mainly to subduction, whereas the shorter Cyprian Arc is subjected to subduction, collision and transcurrent tectonic processes. www.agu.org /cgi-bin/SFgate/SFgate?&listenv=table&multiple=1&range=1&directget=1&application=fm04&database=/data/epubs/wais/indexes/fm04/fm04&maxhits=200&="T52B"   (2787 words)

 Fuzzy tolerance   (Site not responding. Last check: 2007-09-22) The minimum distance in coverage units between arc vertices within an arc and between neighboring arcs in the cover whose arcs shall be intersected. Conversely, a fuzzy tolerance that is too large may collapse polygons, or merge arcs that should not merge. If accuracy of arc vertices is a major issue, the fuzzy tolerance should match the accuracy of the digitizing stuff. members.aol.com /jbhlp1/afhlp/html/earc38ks.htm   (317 words)

 YetiFan Forum. - Arc with 100mm forks - @ www.aimoo.com The ARC's from 1999 to 2003 were damn strong.....not sure a 2004 Scandium ARC would handle a Boxxer...not that it is meant to of course... A 100mm fork is a fine fit for the ARC most people just prefer the 80mm running 20mm does not adversely affect the geometry either. Arc's are pretty standard 71 and 73 (presumably on 80mm forks at 20mm sag), so 20mm extraswill get close to 70 and 72 and change the 'perfect race geometry'. www.aimoo.com /forum/postview.cfm?id=388130&CategoryID=86966&ThreadID=1697044   (736 words)

 ANS : Store : Electronic Articles The arc was modelled as a rectangular current sheet, composed of a mix of threadlike current segments and with a current density varying across the propagation direction. We found the magnetic induction of the arc is a convolution product of the current density, and a function depending on the breaker geometry and arc model. Notably, position, arc size, and electric conductivity could all be determined, and then used to characterize the arc mode, diffuse or concentrated, and study the condition of its mode changing. www.ans.org /store/index.cgi?i=E100000-fst-47-3-784-789   (210 words)

 Conjectures in Geometry: Arc Length   (Site not responding. Last check: 2007-09-22) The arc length of a circle is the distance from one point on the circumference to another point on the circumference, "traveling" along the edge of the circle. Because we know that the measure of the central angle is equal to the arc it intercepts, (Inscribed angle conjectures) by dividing that measure by 360 degrees, we find out what fraction of the circumference that the arc covers. Conjecture (Arc Length): The arc length of an arc on a circle is given by www.geom.uiuc.edu /~dwiggins/conj50.html   (133 words)

 CG: Introduction to Sacred Geometry: Text, Mandalas and Vidio plus free graphics Sacred Geometry is the eternal visual language wrapped around the root concepts of the manifest universe. Science agrees, the Universe Is Vibration, and geometry IS vibration manifest on the visual, time/space planes. Four circles of common radius is the essence of family revealed in Sacred Geometry: Parents (circles 1 and 2) and children (circles 3 and 4), the family heart in the form of a petal. www.charlesgilchrist.com /SGEO/SGIntro.html   (846 words)

 Arc Methods (2D) Use this method to create an arc by defining its start and end points and a third point that the arc passes through. A designer arc is a NURB curve that matches the tangency of the arc but has zero curvature at the end points. If you entered the Rad/Dia of the arc, specify the start angle measured CCW from the axis defined by the center point and the first point on the plane of the new arc. www.vx.com /help/0035.htm   (535 words)

 Untitled Document The frames of any such animations can be put into the correct geometry for the OmniGlobe using ARC software. ARC warrants the rest of the system, which is principally the screen and optics, for one year for problems or failures due workmanship or materials, and which are not intentional or inadvertent damaging acts at the exhibit site. ARC created content may take longer depending upon the complexity. www.arcscience.com /omni-FAQ.htm   (558 words)

 fanbeam :: Functions (Image Processing Toolbox) geometry, sensors are spaced equally along a circular arc, as shown below. The algorithm depends on the Radon transform, interpolated to the fan-beam geometry. Differences are % due to the geometry of the sampling, and the numerical % approximations used in the calculations. www.mathworks.com /access/helpdesk/help/toolbox/images/fanbeam.html   (557 words)

 Arc | English | Dictionary & Translation by Babylon ARC is a file format by SEA (System Enhancement Associates) that was very popular before Phil Katz's introduction of the ZIP format. The ARC program essentially made obsolete the use of combinations of the SQ program to compress files and the LU program to create.LBR archives by combining the functions of both compression and archiving into a single program. The.arc format was the subject of quite a bit of controversy in the 1980s - an important event in the open source debate. www.babylon.com /definition/Arc/English   (203 words)

 Geometry Glossary - the distance between an arc's endpoints along the path of the circle - region whose boundary is not the union of circular arcs or segments - an arc whose endpoints form an angle less than 180 degrees with the center of the circle; written library.thinkquest.org /2647/geometry/glossary.htm?tqskip1=1   (3915 words)

 Question Corner -- Counting Obtuse Triangles in an Inscribed Polygon First of all, there's a theorem in geometry which says that angle ABC is half the measure of the "other" arc from A to C (the one not containing B). Therefore, angle ABC is obtuse if and only if the other arc is more than 180 degrees, which is true if and only if the arc from A to C through B is less than 180 degrees (less than a semicircle). This shows that if the arc is less than a semicircle the angle ia obtuse; you can draw similar pictures which show that, if the arc is more than a semicircle, the angle is acute. www.math.toronto.edu /mathnet/questionCorner/obtusetriangle.html   (1226 words)

 AllRefer.com - arc, in geometry (Mathematics) - Encyclopedia AllRefer.com - arc, in geometry (Mathematics) - Encyclopedia arc, in geometry, a curved line or any part of it; in particular, a portion of the circumference of a circle. More articles from AllRefer Reference on arc, in geometry reference.allrefer.com /encyclopedia/A/arc-geo.html   (161 words)

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