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Topic: Translation geometry

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In the News (Tue 25 Sep 18)

  Translation (geometry) - Wikipedia, the free encyclopedia
In Euclidean geometry, a translation, or translation operator, is an affine transformation of Euclidean space which moves every point by a fixed distance in the same direction.
If T is a translation, then the image of a subset A under the function T is the translate of A by T.
Since a translation is an affine transformation but not a linear transformation, homogeneous coordinates are normally used to represent the translation operator by a matrix.
en.wikipedia.org /wiki/Translation_(geometry)   (238 words)

 Multi-booting Solaris and other operating systems
Extended CHS addressing adds a translation step that changes the way the geometry appears in order to break the 504 MB barrier, but the addressing is still done in terms of cylinder, head and sector numbers, however, they are just translated one or more times before they get to the actual disk itself.
The translated geometry is still what is presented to the operating system for use in Int 13h calls.
The difference is that when using ECHS the BIOS translates the parameters used by these calls from the translated geometry to the drive's logical geometry.
multiboot.solaris-x86.org /ii/3.html   (1019 words)

 Working Magic with Translation and Healing   (Site not responding. Last check: 2007-08-19)
Unlike other types of translations, there is usually no healing involved with feature-based conversions, because the writing of the features is like reusing a recipe--albeit sometimes with substitute ingredients.
In general, when translation companies employ APIs, it means that when the MCAD software is updated, the translators will still work, usually with minimal rewriting.
Translators that are reverse-engineered are usually more accurate, because in general the software is written specifically to convert files from one system to another.
cadence.advanstar.com /2002/1002/coverstory1002.html   (735 words)

 Translation Transform
Translation (often a parallel translation) P' of P by V is the point such that PP' equals the vector V. In other words, P' is located at the distance from P equal to the length of V and in the same direction.
On the other hand, if S' is known to be a translated image of S, then for any points P and Q in S, Therefore, the translation that maps S on S' is uniquely determined by any pair of points P/P'.
Translation maps parallel lines onto parallel lines and, moreover, a line and its image are also parallel.
www.cut-the-knot.org /Curriculum/Geometry/Translation.shtml   (323 words)

 Translation (disambiguation) - Wikipedia, the free encyclopedia
translation (genetics), part of the biological process of protein biosynthesis from messenger RNA
the translation phase of a compiler (or, by extension, the entire process of compilation)
This is a disambiguation page, a list of pages that otherwise might share the same title.
en.wikipedia.org /wiki/Translation_(disambiguation)   (157 words)

 DOCT: 3D Content Handling Assessment: 3D Content Analysis   (Site not responding. Last check: 2007-08-19)
Translation of the VRML file in Figure 3.4.1a to the OBJ file in Figure 3.4.1b is mechanically lossless since both grammars can express the shape using the same mechanism.
Translation from the VRML file to the OBJ file requires that the grammar translator expand the VRML box, creating polygons for the six sides of the box and writing those polygons to the OBJ file.
Smooth surface geometries, for instance, are used when designing packaging to be created by injection molds, such as the plastic case of a portable CD player or for a child's doll or toy car.
www.sdsc.edu /DOCT/Publications/a6-4/3_anal.htm   (9042 words)

 Logical Geometry
Since the ATA standard only allows a maximum of 16 for the number of heads, BIOS translation is used to reduce the number of heads and increase the number of cylinders in the specification (see here for details on this).
The translation between logical and physical geometry is the lowest level of translation that occurs when using a modern hard disk.
It is different from BIOS translation, which occurs at a higher level and is described in the next section.
www.storagereview.com /guide2000/ref/hdd/geom/geomLogical.html   (908 words)

The geometry engine allows PolyTrans to translate between a wide variety of geometry types including optimized meshed polygons with recursive holes, random collections of polygons, trimmed NURBS patches, bicubic patches and quadric surfaces (super-ellipsoids, sphere, toroids, etc).
Translates and accurately maps all materials and texture maps so that they can be rendered faithfully in the target rendering program.
Intuitive 3d geometry batch translation capabilities with options to perform a wide array of polygon processing functions prior to export.
www.3dcafestore.com /polytrans.html   (1586 words)

 Mechanical CAD Translation Notes   (Site not responding. Last check: 2007-08-19)
Yes, these translations can be performed in both directions, but in most cases data is lost or filtered during each translation.
It should also be noted, that any translation of geometry between two CAD systems, whether using STEP, IGES, etc., requires testing to develop the right combination of parameters for each translator.
Understanding what the data will be used for, the capabilities of the CAD systems and the limitations introduced from the data translation are the key ingredients for a successful transfer.
step.nasa.gov /application_notes/mcad_translation.html   (497 words)

 Hard Disk Information
As a result, drives of this size are not compatible with the system BIOS INT13h interface and the entire drive cannot be used unless geometry translation is being employed by the hard disk controller.
Geometry translation is implemented by BIOS drivers that translate the IDE hard disk's actual geometry into geometry that will fit within the system BIOS' INT13h limitations.
LBA is implemented by the system BIOS or hard disk bus adapter, which translates the CHS information that is passed to the BIOS into a 28-bit logical block address that is used by the drive to retrieve data from the disk.
www.csgnetwork.com /harddisk.html   (1662 words)

 BIOS Geometry Translation
The use of logical hard disk geometry gets around the problem that physical hard disk geometries cannot be properly expressed using simple BIOS settings.
In order to get around these barriers, another layer of translation is often applied on top of the geometry translation that occurs inside the hard disk.
This translation is performed by the BIOS (or sometimes, third-party overlay software.) There are many issues involved in BIOS-level translation; the matter is discussed in detail here.
www.storagereview.com /guide2000/ref/hdd/geom/geomBIOS.html   (160 words)

 Language Translation Software   (Site not responding. Last check: 2007-08-19)
With a translation database exceeding 220,000 German words and phrases, including many scientific and technical terms, GE Trans produces draft translations which can be readily polished into a finished translation, or simply used as a reference.
Talking Translator Pro is an easy to use 4 in 1 language utility which can translate text between 8 languages, Find meanings of words, Read the contents of files and clipboard.
Currently are more than 170,000 translations in the unregistered and more than 410,000 translations in the registered database that is extended continuously.
www.cutedownloads.com /two/language-translation.htm   (645 words)

 Euclid's Elements, Introduction
The text of all 13 Books is complete, and all of the figures are illustrated using the Geometry Applet, even those in the last three books on solid geometry that are three-dimensional.
I often hear that geometry is no longer taught well here in the United States high schools.
One contributing factor, perhaps the major contributing factor, to the downfall of geometry education in the United States is the way it is presented in text books.
aleph0.clarku.edu /~djoyce/java/elements/elements.html   (428 words)

 Logical Block Addressing
This translation may be done in the same way that it is done in Extended CHS or large mode via a drives geometry, or it may be done using a different algorithm called LBA-assist translation.
It is this translated geometry that is presented to the operating system for use in Int 13h calls.
Basically, the difference between LBA and ECHS is that when using ECHS the BIOS translates the parameters used by these calls from the translated geometry to the drive's logical geometry.
www.dewassoc.com /kbase/hard_drives/lba.htm   (834 words)

 Math Tools Browse
Investigate reflections, translations, glide reflections, dilations, rotations of 90, 180, 270 or any degree, and composition of reflections.
This activity involves students using Sketchpad to explore reflections, translations, glide reflections, and rotations; it includes reference to a java applet as well.
This applet demonstrates the effect of translation on a shape.
mathforum.org /mathtools/cell/g,10.13.2,ALL,ALL   (272 words)

 Finite Element Method FEM FEA Analysis Jobs Advice Hints Tips Guidelines Help   (Site not responding. Last check: 2007-08-19)
In terms of neutral formats, CAD translation is required to convert the original CAD model to the neutral format.
Parametric information, including features, colors, and layers is lost during a translation, but the ability to translate as a solids eliminates at least half of the cleanup work currently required when using alternative translation methods.
Specialist capability is required to convert this surface mesh into a volume mesh, and as there is not geometry associated with the file format, one cannot apply loads or boundary conditions to the geometric features such as an edge or face as you would usually do when geometry is available.
www.dermotmonaghan.com /forums/viewthread.php?tid=8   (1197 words)

 On Separating Two Simple Polygons by a Single Translation - Toussaint (ResearchIndex)   (Site not responding. Last check: 2007-08-19)
We present an algorithm which determines whether Q can be moved by a single translation to a position sufficiently far from P, and which produces all such motions if they exist.
describes an algorithm for separating two simple polygons by a single translation; this is the planar case of problem 1 above.
1 Translating polygons in the plane (context) - Sack, Toussaint - 1985 ACM DBLP
citeseer.ist.psu.edu /toussaint89separating.html   (838 words)

 NLVM 3 - 5 - Geometry Manipulatives
Virtual manipulatives related to the NCTM Geometry standard for grades 3 - 5.
– Explore the effect of applying a composition of translation, rotation, and reflection transformations to objects.
– Dynamically interact with and see the result of a translation transformation.
nlvm.usu.edu /en/nav/category_g_2_t_3.html   (264 words)

 Quick Overview of PolyTrans
PolyTrans is an extensive and accurate 3D scene, CAD, DCC, VisSim, animation, skeleton + skinned mesh, and trimmed NURBS translation system used throughout the 3D industry.
PolyTrans has set the standard for conversion technology over the last decade, being used as the tool of choice for all well known 3d game developmers, Fortune 100 corporations, engineering and manufacturing companies, defence agencies, industrial design studios and movie/film/production/digital-effect studios.
PolyTrans is unique as a scene translation tool since it utilizes an advanced photo-realistic 3d rendering engine, a 3d geometry toolkit, a trimmed NURBS toolkit and an animation conversion engine to perform complex translations between the most popular 3d file format standards.
www.okino.com /conv/overview.htm   (743 words)

 Annoyances.org - re: My old pentium can't detect my 15gb HDD (Windows 98 Discussion Forum)
This translation however causes a problem in some systems when using a hard disk over about 4 GB in size.
When the number of cylinders on the drive is between 8,192 and 16,383, the number typically used for translation is 16.
One common way that this was done was to use 15 as the translation factor instead of 16, resulting in this sort of conversion: Of course, if you have a BIOS that doesn't know about the 256 head problem, you will need to address this with either a hardware or software solution.
www.annoyances.org /exec/forum/win98/1057328074   (1355 words)

 Large Disk HOWTO
The concept of `translation' was invented (1994): a BIOS could use one geometry while talking to the drive, and another, fake, geometry while talking to DOS, and translate between the two.
Disk geometry (with heads, cylinders and tracks) is something from the age of MFM and RLL.
The routine idediskentsetup() retrieves the geometry reported by the disk (which is 16383/16/63) and overwrites what the user specified on the command line, so that the user data is used only for the BIOS geometry.
www.cs.wisc.edu /niagara/data/lindoc/Large-Disk-HOWTO.xml   (9230 words)

 Geometry Import, Export & Batch Translation   (Site not responding. Last check: 2007-08-19)
The NuGraf Rendering System supports all of the most popular industry-standard 3d geometry data formats by means of plug-in geometry filters.
Imports polygon, NURB and bicubic patch geometry as well as all camera, lights, materials, textures and object hierarchy found in files.
Included with the program is an intuitive batch translation utility that allows high quality and high speed translation between the various 3d file formats outlined above, in addition to OpenGL, POV, Renderman RIB and VRML.
www.okino.com /nrs/features/feat_4.htm   (363 words)

 Windows Support for Large IDE Hard Disks
In addition, the Windows 95 and Windows 98 protected-mode IDE disk driver (Esdi_506.pdr) is used to provide 32-bit disk access when you use any of the first three methods in the preceding list.
MS-DOS, Windows 95, and Windows 98 support IDE drives that exceed the 504-MB (1024 cylinder) limit by using either geometry translation or LBA.
Note that using INT13h extensions or geometry translation as previously described does not allow you to use the Windows or Windows for Workgroups 32-bit disk access feature.
support.microsoft.com /support/kb/articles/Q126/8/55.ASP   (1781 words)

 SolidWorks Express | January 2005
IGES and STEP have yet to meet the expectations raised for CAD translation when they were created a decade ago.
And the fact remains that quality translation tools are required to ensure that accurate 3D geometry can be used outside of its originating system.
Elysium's focused direct translators can reduce this cost significantly by eliminating the hit or miss interpretation required with standards-based translators.
www.solidworks.com /swexpress/pages/jan05/PU_Elysium.html   (381 words)

 Adventures in Hard Disk Geometry Translation - random particles
I found and fixed the problems, and in the process, learned a lot more about geometry translation and partition tables than I ever knew before (which wasn't a small amount, or so I thought).
Turns out there WAS an issue with the partition tables, I just wasn't understanding geometry translation differences enough to see it.
I booted from my XP CD (splistreamed with SP2 a while ago, handy to have) and used it's recovery console to DISKPART a 30GB partition at the front of the disk, and formatted it with FAT32, and installed XP to it.
burntelectrons.org /index.php?itemid=73   (693 words)

 CATIA Translations   (Site not responding. Last check: 2007-08-19)
An example of this would be to merge only the exact solid information of a part into a new part.
Facetted b-rep solids are cumbersome to use in other CAD systems because they are usually solids with many faces wherever there is some type of radius.
SolidM data is an approximated solid used by Catia to speed visual operations and should not be used as input into operations such as machining or data translation where the exact model is necessary.
www.mathdata.com /faqs/catia_tips.html   (549 words)

 AutoCAD, 3D Studio MAX, 3D Models, CAD Software Translation-SolidWorks,Catia,Unigraphics
TransMagic develops a broad range of 3D CAD translation, geometry repair, and visualization applications to meet a variety of engineering needs.
All of TransMagic’s Data Exchange Suites offer 3D CAD File translation, geometry repair, file viewing, redline, cross-section, part volume, mass properties, measurement and collaboration functionality.
TransMagic BATCH offers unattended high-speed file translation with a simple interface to translate large numbers of files or migrate file libraries and can be added to any TransMagic translation product (not available with TransMagic VIEW).
www.transmagic.com /product_autocad_cad_software_translation.html   (876 words)

 Problems Using Windows 95 or MS Plus! Startup Disk
When you start your computer with the Startup disk, you may not have access to certain drives, such as CD-ROM drives, compressed drives, or logical drives located on hard disks on which geometry translation is normally performed by a real-mode driver.
If you are using a third-party software tool that requires a real-mode driver in the Config.sys file to perform geometry translation, you must manually update the Config.sys file on the Startup disk so that it loads the necessary driver.
If the third-party software tool that you are using to perform geometry translation uses a real-mode driver that is stored in the root folder of the boot drive and is loaded from the Master Boot Record, you may not be able to completely start your computer from the Startup disk.
support.microsoft.com /kb/138991/EN-US   (1039 words)

The Moldflow CAD Doctor has been designed specifically for the needs of the plastics injection moulding industry and enables the interactive diagnostic analysis of 3D CAD data with tools for generating optimised models for predictive analysis applications such as the Moldflow Plastics Advisers (MPA) and Moldflow Plastics Insight (MPI).
• Create Points, Curves, and Surfaces - geometry creation tools give the user the flexibility of not having to revert to a CAD system to make simple geometry modifications such as adding ribs, bosses, and flow leaders and increasing thickness in specific regions.
Elysium's CAD porter, CADdoctor, CADpdm and CADserver software products enable the translation of all geometry from one CAD system to another with the industry's highest success rate.
www.newmaterials.com /news/668.asp   (532 words)

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