Glossary

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  • 2D Dimension A measurement of length, angularity, or distance on a cross section of an as-built (Test) or as-designed (Reference) object. A 2D Dimension may carry a tolerance value.  If both tolerances are non-zero then when a dimension of a Section of a Test object is evaluated, it can be flagged as passing or failing.
  • 2D Features The subset of Features that exist in two dimensions: Circle, Slot, Oval Slot, Rounded Slot, Rounded Rectangular Slot.
  • 3-2-1 Alignment

    1. An alignment method where six points are used. The first three points define a plane, the next two points define a line, and the final point to create the alignment. The three planes must be orthogonal. Also a method of establishing the spatial orientation of a scanning device. 

     2. In Geomgaic software, a method of aligning Test and Reference objects in space so that analysis can be performed. 3-2-1 Alignment establishes an X, Y, and Z plane on both the test and reference objects and reorients the test object such that its three planes match those of the reference object. See Tools > Alignment > 3-2-1 Alignment.

  • 3D Comparison A three dimensional, color-coded mapping of the differences between an as-built physical object (Test) and a reference (design or Reference) object. See Analysis > 3D Compare.
  • 3D Digitizer A device that captures the digital shape of physical objects. Examples of 3D digitizers include laser scanners and mechanical devices such as CMMs.
  • 3D Dimension

    A two-dimensional representation of a three-dimensional measurement. See Analysis > 3D Dimensioning.

  • 3D Printing A rapid prototyping technique that involves "printing" three-dimensional objects with plaster or resin.
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A
  • ALR Automatic License Retrieval. A capability of Geomagic applications that allows a Geomagic software license to be downloaded to a pre-authorized computer or networked license server.
  • Active Object In Geomagic software, the selected object in the Model Manager.
  • Adaptive Fitting The process of iteratively fitting a surface to satisfy a user-specified allowable error "tolerance."
  • Alignment

    Reorientation of a single object in space to match the orientation of another object or to match a defined position in space. See Tools > Alignment. In Geomagic Qualify, alignment is the reorientation of an object in the three-dimensional coordinate space to another object so that these objects can be correctly compared.

  • Analysis The measurement and reporting on inspected parts, both individually and with respect to trends.
  • Angularity

    The condition of a surface, axis, or plane, which is specified at an angle from a datum plane or axis. Used in GD&T.

  • Annotation An on-screen callout that indicates the results of an analysis for a specific location. See Result > Create Annotations and Analysis > Compare Features.
  • As-built Part An actual manufactured part, as opposed to the as-design part, or CAD representation or part, which Geomagic Qualify refers to it as a Test object.
  • As-design Part A CAD representation or par as opposed to the actual manufactured part, or as-built part, which Geomagic Qualify refers to it as a Test object.
  • Axial Chord The length of the projection of the blade, as set in the turbine, onto a line that is parallel to the turbine axis. It is the axial length the blade.
  • Axis A straight line about which a geometric construct may rotate or imagined to rotate. An axis can also be one of the reference lines of a Cartesian coordinate system (i.e., X-axis).
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B
  • BA Angle Angle measurement between the ?tabletop? chord and the axial chord tangency line.
  • Background Grid A regular pattern, usually a square grid, used behind an object to provide both reference points for measurement and comparison of features. In Geomagic software, a background grid is displayed behind an object in the Viewing Area to provide a sense of an object?s position with respect to the world coordinate system. See the Background Grid checkbox in the Display Manager.
  • Best Fit In Geomagic software, Best Fit refers to fitting two objects by measuring from point to point and adjusting the location of the test object to the stationary reference object until the average deviation is as low as it possible within a certain number of iterations.
  • Blade Dimension

    A 2D section of a blade, upon which Geomagic Qualify can report measurements.

  • Blade Section A 2D section of a blade, upon which Geomagic Qualify can report measurements.
  • Bore The diameter of a cylinder, pipe, or drilled hole.
  • Boss A Projection or extrusion extending from the main body of a part.
  • Boundary A line or curve that indicates the limits of an area. In Geomagic software, a boundary is a line  (typically red in color) that traverses a polygon object by following the contiguous edges of multiple triangles (never bisecting the interior of any triangle). See also natural boundary and user-defined boundary.
  • Bounding Box A wire-framed box that indicates the maximum extents of an object in the Viewing Area. See also CSYS and the Bounding Box checkbox in the Primitives Manager.
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C
  • CAD Computer-aided design.
  • CAD Face

    A single NURBS surface with edges cut to a shape. The lines between CAD faces are user-defined boundaries.

  • CAD Object An object made up of CAD faces.
  • CAI Computer-aided inspection. Geomagic Qualify is a commonly used tool for CAI.
  • CAM Computer-aided manufacturing.
  • CMM Coordinate Measurement Machine. Mechanical systems designed to move a measuring probe to determine coordinates of points on a work piece surface. CMMs are comprised of four main components: the machine itself, the measuring probe, and the measuring software.
  • Callout A description of form, location, and/or orientation, as contained in a GD&T Feature Control Frame; a GD&T dimension box. See Analysis > GD&T > Create Callouts.
  • Camber Curvature of an airfoil or wing as viewed from the side. One of the "Blade Dimensions".
  • Capture

    A Geomagic Studio work phase in which point objects are assembled from scanner data.

  • Centroid

    The center point of an object, polygon, selection, or point cloud.

  • Chord A line segment that connects two points on a curve.
  • Chord Length The distance between imaginary planes that are perpendicular to the tabletop, one tangent to the “right end” and one tangent to the “left end” when the blade is resting on a tabletop, convex side up.
  • Circle Feature One of the basic Feature shapes. See Feature.
  • Closed Manifold A closed manifold object is a manifold object that encloses volume. Some applications, like rapid prototyping, require that a polygon object be closed-manifold.
  • Component

    A grouping of polygons or ordered points that is separated from other groups in the same polygon or point object.

  • Connection A join between two or more primaries denoting areas of curvature.
  • Constrained Lines A fixed line that can not be moved on an object.
  • Contour

    A type of line demarcating areas of curvature or high angularity.

  • Contour Band A contour band is a selection of polygons that divides an object into regions.
  • Contour Line

    A line that runs down the middle of the contour band marking the centerline of the contour.

  • Coordinate System CS or CSYS. An alternate definition of a part's position in space that is more convenient for the inspector than its true coordinates. Internally, a CS is a translation and rotation that brings a part from its design-time coordinates to the more convenient position. Every coordinate system has an origin and three axes.
  • Corner

    A blend joining three or more primaries or transitions.

  • Correspondence

    1. In Geomagic Qualify, the association of a set of points on the Test object to a CAD face on the Reference object. Each point on the Test can correspond to one face on the Reference. 

    2. In Geomagic Qualify and Studio, the association of the points of the child object to its parent object.

  • Cross Curve One of many short lines that run perpendicular or almost perpendicular to a contour line in an "extension structure." Cross curves are spaced on the contour lines at the same interval as the subdivision markers.
  • Cross Section The intersection of a body in three-dimensional space with a plane, or of a body in two-dimensional space with a line.
  • Curvature A line that has curve or a dramatic change in direction. The value of curvature is the reciprocal of a circle's radius.
  • Curvature Map Graphically illustrates the waviness of a curve.
  • Curvature Spectrum

    A color-coded representation of the curvature on an object.

  • Curvature-based Polygon Selection Selection process based on a specific value of the surface curvature, used as a threshold.
  • Curve Line A curve line (not the same as a Curve Object) is a constrained contour line.
  • Curve Object A Curve Object contains one or more 2D lines that trace the surface of a three-dimensional object. In Geomagic Qualify, the line is a 2D cross section of the three-dimensional object (created by Polygons > Curves by Section).
  • Cutting Error The deviation that occurs on a piece of sheet metal parallel to its surface along a boundary.
  • Cylindricity Refers to the condition of a surface of revolution in which all points of the surface are equidistant from a common axis. Used in GD&T. See Analysis > GD&T
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D
  • DSSP Digital Shape Sampling and Processing is the application of scanning hardware and processing software to the digital representation, modification, reproduction, and/or inspection of physical parts.
  • Datum A geometric point of reference, such as a plane or an axis, that is not a physical construct; an imaginary construct on a reference object that facilitates comparison to a test object and which can be referenced by other tools.
  • Decimation

    The systematic thinning of polygons from a polygon object while minimizing the impact on appearance. "Disk Decimation" is decimation on a disk file that is too large to open, thus preparing it to be opened by the application.

  • Defeature

    To delete triangles from the interior of the selection and insert a more orderly mesh. See Polygons > Defeature.

  • Depth Plane A tool that limits the selection of points to those that lie on one side or the other of a user-specified plane. See Tools > Alignment > Depth Plane.
  • Deviation The measured difference in position between one object and another.
  • Deviation Spectrum A Deviation Spectrum is a color-coded representation of the differences between a test object and reference object. A Deviation Spectrum is also a stored object that represents the assignment of colors to deviation ranges.
  • Digitize The creation of an unordered point object by collecting data from a mechanical measuring device. See Points > MicroScribe > Digitize.
  • Dimension The specification of a linear or geometric measurement, created on a reference object so that the measurement on all test objects can be reported.
  • Disconnected Component A disconnected component is an island of points that are separated from other islands in the same point object.
  • Drafted Extrusion A type of Swept Surface. See Extrusion.
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E
  • Edge The line where two surfaces or planes intersect.
  • Entitlement Number

    The entitlement number is a unique identifier used to track our products, the machines they are being used on, as well as customer information. The syntax for the entitlement number is always:

     nnnnnnnnnn-Cnnnn-nnnnn

     This is used for contacting Geomagic for Technical Support, Services or other reasons.

     Where to find for New Customers
     The entitlement number is located in the back inside of the CD case in which the software was shipped.
     Where to find for Existing Customers
    The entitlement number is located in the license file. To view the license file, first browse to your Geomagic application program folder on your local drive. Then, open the file geowatch.dat using Microsoft Notepad (or any standard text editor). Print the file, or locate the “Entitlement Number” (at the top of the file) and write it down. Close Notepad (or the editor you are using) and DO NOT save any changes.
  • Extend and Extension

    To expand to a greater area. To extend contour lines expands the contour lines by a specified amount.

  • Extract To extract contour lines is to lay yellow contour lines down the middle of the red separator bands using the Extract button of the  Detect Contours command. This feature is a major benefit of Geomagic  See Contours > Detect Contours (Extract button) and in Contours > Extract.
  • Extrusion The process of extending any selected two-dimensional profile in a chosen direction, resulting in a three-dimensional object. A type of Swept Surface.
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F
  • Face See CAD Face.
  • Fashion Phase Phase in Geomagic Studio used for conforming surfaces to design intent.
  • Feature A physical or imaginary construct on an object, such as a plane, slot, or edge, that can be used for reference by other tools.
  • Fillet A surface of connection between two or more main surfaces. Its cross-section is usually an arc.
  • First-article Inspection A quality check comparing the first manufactured article against the design.
  • Fit To convert a surface in to an ideal form or design intent.
  • Flatness The distance between the closest calculated set of parallel planes that contain all the points or polygons considered.
  • Flush The distance between two surfaces measured along their normal vector.
  • Freeform Shape

    A shape that cannot be classified as a Plane, Cylinder, Cone, Extrusion, Drafted Extrusion, etc.

  • Front Plane The plane which is defined as the "front" of an object.
  • Functional Decomposition The process of classifying the geometry of a part based on the functional characteristics of each element, such as a plane or fillet. This is a major feature of Geomagic Studio's Fashion module.
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G
  • GD & T
    1. Geometric Dimensioning and Tolerancing (GD&T) is an international engineering language used on engineering drawings to describe an object in three dimensions. The symbols that comprise the language precisely describe the form, orientation, and location of part features in zones of tolerance.  One international standard for GD&T is described in ASME Y14.5M-1994. 
    2. A method for explicitly describing a geometry and the allowable variation in the size and position of its features. See Analysis > GD&T.
  • GD&T
    1.) Geometric Dimensioning and Tolerancing (GD&T) is an international engineering language used on engineering drawings to describe an object in three dimensions. The symbols that comprise the language precisely describe the form, orientation, and location of part features in zones of tolerance.  One international standard for GD&T is described in ASME Y14.5M-1994. 
    2.)  A method for explicitly describing a geometry and the allowable variation in the size and position of its features. See Analysis > GD&T.
  • Gap The shortest distance between two non-contiguous data sets.
  • Geomagic Qualify Digital inspection solution for three dimensional data sets that must meet quality standards and improve their process. Leveraging DSSP, Geomagic Qualify offers a certified way to compare as-built parts to design specs with automatic reporting to simplify inspection analysis.
  • Geomagic Studio A DSSP software application that enables engineering and design professionals to create an accurate digital model of any physical part.
  • Geometric Dimensioning and Tolerancing See GD&T.
  • Grids A quadrangular mesh of user-specified density that is constructed in the patches. A finer grid causes greater precision in the eventual NURBS surface; a coarser grid yields less precision. Overall grid density is affected by grid resolution and by the size of the patch in which the grid exists.
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H
  • Hard Probe A sensing device that captures point data mechanically. Laser scanners often have hard-probe attachments for special-purpose data capture.
  • Hole A gap in a polygon object that is caused by sparse underlying point data, or a gap in a point object caused by incomplete data capture. See also Circle Feature.
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I
  • Ideal Point Object An ideal point object is a point cloud whose imperfect constructs have been deleted and replaced by mathematically perfect geometric shapes. Several categories of functions support the creation of ideal point objects.
  • Inspection The process to ensure that a product is produced to meet or exceed design intent. Inspection can be carried out in different ways, including manual, CMM-based, or non-contact.
  • InterfaceCheck Process used to verify that two or more surfaces do not intersect among each other.
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L
  • Laser Scanner A 3D digital device that works by projecting laser light onto surfaces while cameras triangulate the profile of the laser as it sweeps, enabling the object to be digitized in 3D.
  • Leading Edge Point The intersection of the camber line and the leading edge of a blade section; the point where the concave pressure surface meets the convex suction surface at the leading edge.
  • Leading Edge Position The front or nose of a blade section, where the camber line strikes the section line.
  • Leading Edge Radius The radius of a circle that fits into the leading edge.
  • Leading Edge Thickness The thickness of the blade section at some offset distance from the leading edge.
  • Lean Bar A part of a text fixture that a part leans on during inspection. A scanned Lean Bar is represented in Geomagic Qualify as a Line Target Feature.
  • License Wizard "Wizard" that establishes a connection to the Automated License Requestor (ALR) and installs the appropriate license for the installed Geomagic software.
  • Line Scanner A 3D scanner that captures data in scanlines.
  • Line Target Feature A theoretical line defined by a user that mimics the cylindrical contact of a test part when places in a jig.
  • Location A known point of interest on a as-designed object; a storable and re-usable set of known points of interest.
  • lLaser A LASER (Light Amplification by Stimulated Emission of Radiation) is an optical source that emits photons in a coherent beam. It is used in various applications, including inspection and digital shape reconstruction.
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M
  • Macro A sequence of actions  recorded and stored for re-use. Most actions in the user interface can be included in a macro.
  • Manifold A manifold object is a polygon object whose triangles are connected on all three sides (except for boundary edges). A manifold triangle is one that is connected to others on all three sides. See Open Manifold and Closed Manifold.
  • Max Chord The distance between the two contact points of the smallest circle that envelops the section; the longest line that can be measured anywhere in the blade section.
  • Max Thickness The diameter of the largest circle that can be drawn inside the blade section between the concave pressure surface and the convex suction surface.
  • Measurement CSYS A coordinate system that is used during analysis. By default, the world coordinate system is used for all analysis. The measurement CSYS does not control the view perspective. View perspective is controlled by the view CSYS.
  • Merge Combining two or more selected objects (whether points or polygons) into a single, composite object.
  • Mesh

    A wire frame model that is a visual presentation of an electronic representation of a three dimensional, or physical object used in 3D computer graphics. It is created by specifying each edge of the physical object where two mathematically continuous smooth surfaces meet, or by connecting an objects constituent vertices using straight lines or curves. The object is projected on the computer screen by drawing lines at the location of each edge.

  • Model A file that defines one or more objects and subobjects.
  • Model Axes An indicator of the X, Y, and Z axes of the bounding box.
  • Model Manager In Geomagic software, the Model Manager presents a hierarchical structure of objects that are currently loaded in application memory.
  • Multi-sensor Metrology

    The science of capturing and measuring the 3D properties of a physical object using multiple sensors, such as a hard probe and a laser scanner on one data-capture instrument.

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N
  • NURBS A Non-Uniform Rational B-Spline (NURBS) surface is a set of smoothly connected curves imposed on an angular surface to make that surface look smooth.
  • Natural Boundary

    A set of contiguous triangle edges that are not shared with other triangles, such as the edge of a sheet metal part.

  • Non-contact Inspection Inspection performed using devices or tools that do not touch the part. Typical non-contact scanning methods include laser, structured light, CT, and MRI.
  • Normal A surface normal, or simply normal, to a flat surface is a vector which is perpendicular to that surface. A normal to a non-flat surface at a point on the surface is a vector perpendicular to the tangent plane to that surface at that point.
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O
  • Object A 2D or 3D data set comprised of objects and sub-objects such as polygons, points, CAD surfaces, features, curves, primitives, surface shapes, and others.
  • Offset Two or more objects that are aligned but shifted by a specified distance. In Geomagic applications, offset means to separate one object from another by a specified distance; the distance by which two objects are separated.
  • Open Manifold An open manifold object is a manifold object that does not enclose volume.
  • Ordered Points A point cloud of consistent density whose points exist in orderly rows and/or columns.
  • Oriented Normal A vector that is perpendicular to the surface and has a positive and negative direction. The positive direction points to the outside of the object. This is in contrast to an unoriented normal that does not have a positive or negative direction. A single object cannot have both oriented and unoriented normals.
  • Orthogonal Objects which lie next to or intersect at right angles.
  • Orthogonal Cross Curve A cross-curve that is orthogonal ("perpendicular") to the contour line that it crosses.
  • Outlier A single point of data that is not considered valid. Outliers can be defined in terms of normal vector deviation or distance deviation. Certain Geomagic processes discount or remove outliers from processing to ensure accurate and/or repeatable results. Outlier processing can be categorized as locate or global. Local outliers are determined by comparing data with other data that is near by. Global outliers are determined by comparing data to all other data in the considered object.
  • Oval Slot Feature Two circles with equal radii connected by parallel, tangent lines. In Geomagic software, a sub-object of a Feature; one of four slot types. See Feature.
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P
  • Panel A portion of a part's surface that is like a single piece of material on a furniture slipcover. Panels are derived from the relatively flat areas that lie between contour lines, constrained lines, and/or natural boundaries, and can be subsequently filled with four-sided Patches, which can be  subsequently filled with Grids, on which a NURBS surface is then generated.
  • Parallelism The distance between the closest calculated set of parallel planes that are oriented by a given angle, determined by the reference datum or feature, that contain all the points or polygons considered. Used in GD&T.
  • Patches The four-sided "containers" that are generated inside Panels, in which Grids are then generated (for the eventual creation of a NURBS surface and CAD faces).
  • Perpendicularity The distance between the closest calculated set of parallel planes that are oriented 90 degrees to the reference datum or feature, that contain all the points or polygons considered.
  • Phase In Geomagic software, a state of existence of data set: Point Phase for an object that is represented as Point data; Polygon Phase for data that has a preliminary surface represented as a collection of triangles; Shape Phase for an object whose triangles are being refined for the creation of a NURBS surface; and CAD Phase for an object whose surface is represented by CAD faces.
  • Photogrammetry Method of measuring based on stereo photography and the extraction of x,y coordinates and distance measurement in a plane perpendicular to the line of sight, and extracting z values.
  • Pixel Single point in a graphic image; short for "picture element".
  • Plane An ideal surface that can be defined by 3 points or one point and a vector.
  • Plane Datum A theoretical reference plane.
  • Plane Feature A reference plane based on data. See Feature.
  • Plugin A module for software that adds functionality to a platform, often to interact with a specific hardware component, or enable unique capability for the software platform. Plugins for Geomagic Studio and Geomagic Qualify enable seamless flow of data from data capture hardware to data handling functionality of the application (eliminating the need to import data in a separate step).
  • Point Cloud A set of x,y,z data that is located in three-dimensional space used to represent three-dimensional objects. A point cloud may or may not have i,j,k data that defines the normal vector for the corresponding x,y,z data subset.
  • Point Cover A function in Geomagic software that creates a point object (with a -pts suffix in the Model Manager) of the selected polygon or CAD object. The original object remains in the Model Manager.
  • Point Normal A normal vector intersecting a surface at a specific x,y,z point.
  • Point Object Any object that has as its fundamental data set an array of numeric triplets. These numeric triplets are by convention defined as x,y,z values that are relative to some predefined coordinate system. See also Ordered Points and Unordered Points.
  • Point Target Feature A Point Target feature is a user-defined point with a specified radial zone normal to a user-defined contact vector. In practice, a Point Target Feature is defined on the reference object and represents a single point of contact where the radial head of a test fixture pin touches an object. A Point Target Feature is considered valid if its position on the reference object has corresponding data on the of the test point.
  • Polygon A closed plane formed by n line segments that do not intersect except at vertices. A triangle is a three-sided polygon. In Geomagic applications, triangle and polygon are used interchangeably.
  • Polygon Object A polygon object consists of triangles (three-sided polygons) arranged in a complex mesh. Each vertex is a point in the underlying Point data set.
  • Polygon Phase In Geomagic software, the state of an object in which it is represented as triangles (three-sided polygons) in a complex mesh.
  • Position A 3D volume (i.e., a cylinder) around the feature (i.e. an axis) within which the feature can be found. Position callout includes location, orientation and form. Used in GD&T.
  • Primary Surface A region that lies between areas of high curvature and which can be classified as a Plane, Cone, Cylinder, Sphere, Extrusion, Drafted Extrusion, or Freeform shape.
  • Primitive A fundamental property of an object in the Geomagic Viewing Area, such as an object's display properties. See the Geomagic Primitives Manager.
  • Probe The part of a measurement system which is maneuvered to contact a part to be measured and records a measurement point based on the contact point of the spherical end of the probe. See Hard Probe.
  • Profile Curve A set of lines and arcs that describe the 2D profile of a 3D part.
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Q
  • Qualify See Geomagic Qualify.
  • Quality The characteristic or properties of and object that indicates performance to specification under load and wear over time. In manufacturing, quality means within specified tolerances with minimum variation.
  • Quality Assurance Activity of analyzing process and activities before, during, and after designing, developing, engineering, or manufacturing an object. It examines the entire set of lifecycle processes.
  • Quality Control The process of developing and applying systems to ensure products or services are designed and produced to meet or exceed customer requirements and expectations.
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R
  • Rapid Prototyping A type of computer-aided manufacturing enabling prototypes and products to be rapidly produced. Solid freeform fabrication is the automatic construction of physical objects with 3D printers, stereolithography machines, or selective laser sintering systems.
  • Rectangular Slot Feature One of the basic Features types. See Feature.
  • Reference Object (as reference model) A design model, typically digital or the original CAD model, but may be a first or modified first article used to compare subsequent manufactured parts against and assess deviation from standard.
  • Register The process of assembling multiple Point sets into a composite Point set by identifying points in common and adjusting the position of the "floating" set(s) so that shared points overlap perfectly with common points on the "fixed" set.
  • Relax To straighten or partially straighten a curve.
  • Repeatability The variation in measurements taken by a single person or instrument on the same item and under the same conditions. A measurement may be said to be repeatable when this variation is smaller than some agreed limit.
  • Report A document produced from within Geomagic Qualify that displays the results of configured tests. May be  created on an automated or manual basis.
  • Result Object An object in the Geomagic Model Manager that contains comparisons of a Test and Reference object.
  • Reverse Engineering The process by which mechanical components can be modeled and reproduced by measuring their mechanical and performance characteristics and completely and accurately sampling and measuring their physical dimension and shape properties.
  • Ribbon A graphical display strip that indicates attributes of an object; typically used to display deviation along a boundary.
  • Right-hand Coordinate System A Cartesian coordinate system consisting of three axes (X, Y, and Z), in which +X points to the right, +Y points up, and +Z points toward the viewer, or in which axes maintain that relationship to each other. CAD objects typically have coordinate systems that use the right-hand rule.
  • Rotational Surface A surface that can be generated by sweeping a Profile Curve about an axis; a type of Swept Surface.
  • Rounded Rectangular Slot Feature A rectangle with rounded corners; a type of Feature used in Geomagic software. See Feature.
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S
  • Sample Reducing the number of points in a data set by collecting a subset of original data, and by intelligently collecting more points from areas of higher curvature so that structural detail is not lost.
  • Scan

    The process of capturing a physical object as a digital object or model by using a scanner.

  • Scanner A device used to capture physical objects in a digital format. If a particular scanner doesn't have a software "plugin" to make it seamlessly compatible with a Geomagic application, the application can accept data in the form of an .igs or "ascii xyz" file.
  • Scanner Arm

    A physically anchored reticulating mechanism for mounting a hand-held scanner and through up to 7 degrees of freedom can position and record the scanner location to return accurate measured point coordinates on an object being scanned.

  • Section A very thin slice of an object under examination, or to create a slice or cut through an object.
  • Segmentation Process of dividing an object into logical pieces.
  • Selection A chosen subset of a larger object.
  • Separator A type of line of demarcating areas of curvature or high angularity. See also Contour, Boundaries, Patches.
  • Sequence Tree A historical record of the training sequence for every report that has been generated. See Tools > Manage Automation.
  • Shading

    Applying color variations to points or triangle vertices based on normal vectors to properly display the appearance of a three-dimensional object with lighting.

  • Shape

    Module of Geomagic Studio which accurately transforms polygonal objects into NURBS surfaces.

  • Shape Phase Phase in Geomagic Studio where  a polygon model has a NURBS surface applied.
  • Sharp Lines

    In Geomagic Studio, lines that break the tangency of neighboring NURBS surfaces.

  • Sharpening The replacement of filleted or rounded edges with mathematically correct edges. Sharpening operations work on closed- or open-manifold polygon objects.
  • Shell To create an offset surface from an original surface, thus creating thickness from a two-dimensional manifold.
  • Six Sigma

    A set of practices first created by  Motorola that attempts to systematically remove imperfections in manufacturing processes while improving quality and efficiency; also, a set of practices that specifies the mathematical precision of measurements.

  • Slot Features

    Includes the Rectangular Slot, Rounded Rectangular Slot, Oval Slot Features. See also Features.

  • Spectrum See Deviation Spectrum and Curvature Spectrum.
  • Spring Curve Spring Curves lie at the edges of corner patches and connect two extension lines.
  • Stitch

    Process of joining two data sets along a common boundary based upon alignment.

  • Studio See Geomagic Studio.
  • Subdivision Point A point that breaks a boundary or a curve.
  • Surface The boundary of a three-dimensional shape, measured in area. Can also indicate the process of defining or creating the three-dimensional representation of an object.
  • Surface Profile

    The condition permitting a uniform amount of profile variation, either unilaterally or bilaterally, on a surface. Used in GD&T.

  • Surface Wrap

    Creates a Polygon object from a point set in a way analogous to wrapping a plastic sheet around a point set; also removes outliers. Every point becomes the vertex of a triangle of plastic wrap. The point data set should be uniform.

  • Surfacing The process of defining or creating a surface. Typically refers to converting a polygonal representation of an object to a NURBS or other parametric representation.
  • Symmetry

    The correspondence in size, shape and relative position of parts on opposite sides of a dividing line or median plane.

  • Symmetry Plane

    A plane that can be described as an imaginary mirror in which an object can be reflected while appearing unchanged.

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T
  • T-node Any corner patch that has a spring curve between two  extension structures.
  • Test Object

    In inspection applications like Qualify, it refers to the as-built part under investigation, as opposed to the reference design.

  • Texel The smallest uniquely colored unit on the surface of any colored object. When you zoom way in on a colored image, a texel looks like a uniquely colored square. When you zoom out, a texel gets as small as a hardware pixel or simply disappears.
  • Texture Color An object colorization scheme that superimposes a graphical image on an object. Compare to Vertex Color. See Tools > Color.
  • Texture Mapping A method of superimposing an image on the surface of an object by associating specific portions of the graphical image to specific parts of the object. See Texture Color.
  • Thickness The dimension of an object that is similar to depth (as opposed to length or width), especially when the depth is relatively small such as the depth of a wall.
  • Tolerance

    The allowable deviation in a measurement; the range of acceptable values that lie between the maximum and minimum limits.

  • Total Runout The simultaneous composite control of all elements of a surface at all circular and profile measuring positions as the part is rotated through 360.Used in GD&T.
  • Tracker Text

    The descriptive or informative text that appears to the left of the progress bar at the bottom of the main window.

  • Trailing Edge Point The intersection of the camber line and the trailing edge; the point where the concave pressure surface meets the convex suction surface at the trailing edge.
  • Trailing Edge Radius The radius of a circle that fits into the trailing edge.
  • Trailing Edge Thickness The thickness of the blade section at some offset distance from the trailing edge.
  • Transform

    (verb) To change an object's location and orientation in space; (noun) the Transformation Matrix that describes a change.

  • Transformation Matrix The mathematical description of  an object's position in space, relative  to the origin or to another object, accounting for both translation and rotation.
  • Transitions A blend between two primaries marking areas of curvature.
  • Triangle A closed three-sided figure or polygon.
  • Triangulation Process of connecting a set of points into a mesh of triangles. Geomagic calls it "wrapping" because it's like wrapping a Point cloud with a virtual plastic sheet.
  • Trim Using the intersection or more objects to define a section to trim from one or more of those objects.
  • Trimmed Surface

    The portion of an untrimmed surface that perfectly matches a single area of an object.

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U
  • UDF User-defined Features.
  • UV Grid A coordinate system defined on the surface of an object by the coordinates U and V, typically used to specify the location of a texture on a surface, or to create an organized grid within a quadrilateral patch prior to NURBS surfacing.
  • Unordered Data

    Unordered data is a point cloud of variable density whose points exist at any location in space. See point data.

  • Unoriented Normal

    A vector that is perpendicular to the surface and which points to either the outside or inside of the object (because no determination of inside and outside has been made).

  • Untrimmed Surface

    The representation of a surface in its infinite form. The untrimmed representation of a tabletop, for example, is an infinite plane.

  • User-defined Boundary A line that follows contiguous triangle edges across a polygon mesh such that no triangle crosses the line. The lines between CAD faces are user-defined boundaries.
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V
  • Vertex The point that lies at the intersection of two or more line segments; especially the point that lies at the corner of a triangle on a Polygon object.
  • Vertex Color

    An object colorization scheme that assigns unique color to each vertex on a Polygon object.

  • View

    An orientation of an object and a set of one or more subobjects that are conveniently handled at that orientation.

  • Viewing Area

    The largest panel on the Geomagic product window, where objects appear and most work is conducted.

  • Volume Wrap Creates a Polygon object from a point set in a way analogous to wrapping a plastic sheet around a point set without removing outliers. The point data does not have to be uniform.
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W
  • WRP File

    A Geomagic-proprietary file type used by default by both Geomagic Studio and Geomagic Qualify.

  • Watertight Model A closed-surface model that has all gaps and holes filled to clearly define an inside and outside.
  • Web

    In Geomagic applications, an undesirable effect in which wrapping creates a bridge of triangles that resembles a web (like the webbing on a duck's foot). See Wrap.

  • Wizard A tool that presents the next logical step in a workflow. The wizard does not activate the suggested functions, but presents a button so that the user can elect each step.
  • World Coordinate System A three-axis, right-handed Cartesian coordinate system, consisting of XY, YZ, and XZ planes, whose origin represents the center of space that is known to the application. The coordinate system an object in that space might be different from the World Coordinate System.
  • Wrap The process of converting a point object to a polygon object in Geomagic Studio. If the wrapping is a special volume wrap, the object becomes a Wrap object before it becomes a Polygon object. See Volume Wrap.
  • Wrap Object An intermediate stage between a Point and Polygon object (only when the point object has been volume-wrapped).
  • Wrap Phase A phase in which a volume-wrapped object exists before becoming a Polygon object.
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