|
Type
|
Form
|
Name
|
Description
|
|
0
|
|
Null Entity
|
The Null Entity type is intended to be ignored by a processor. When encountered by a processor, this entity shall be skipped over and not processed.
|
|
100
|
|
Circular Arc Type
|
A circular arc is a connected portion of a circle which has distinct start and terminate points. The definition space coordinate system is always chosen so that the circular arc lies in a plane either coincident with, or parallel to, the Xt and Yt plane. Supported in FRED as a Circular Arc.
|
|
102
|
|
Composite Curve Entity
|
A composite curve is a continuous curve that results from the grouping of certain individual constituent entities into a logical unit. A composite curve is defined as an ordered list of entities consisting of point, connect point, and parameterized curve entities (excluding the Composite Curve Entity).
|
|
104
|
|
Conic Arc Type
|
A conic arc is a bounded connected portion of a conic curve which has distinct start and terminate points. The parent conic curve is either an ellipse, a parabola, or a hyperbola.
|
|
106
|
1-3
|
Copious Data Entity
|
This entity stores data points in the form of pairs, triples, or sextuples. An interpolation flag value signifies which of these forms is being used.
|
|
106
|
11-13
|
Linear Path Entity
|
The linear path is an ordered set of points in either 2- or 3- dimensional space. These points define a series of linear segments along the consecutive points of the path.
|
|
106
|
20-21
|
Centerline Entity
|
The Centerline Entity takes one of two forms. The first appears as crosshairs and is normally used in conjunction with circles. The second type is a construction between 2 positions.
|
|
106
|
31-38
|
Section Entity
|
A Section Entity is a defined as a Copious Data Entity. The form number describes how the data are to be interpreted. These descriptions are included for compatibility with previous versions of the specification. The Sectioned Area Entity (Type 230) provides a more compact method for transferring this information.
|
|
106
|
40
|
Witness Line Entity
|
A Witness Line Entity is a Copious Data Entity that contains one or more straight line segments associated with drafting entities of various types.
|
|
106
|
63
|
Simple Closed Planar Curve Entity
|
A Simple Closed Planar Curve defines the boundary of a region in the X-Y coordinate space.
|
|
108
|
|
Plane Entity
|
The Plane Entity can be used to represent an unbounded plane, as well as a bounded portion of a plane.
|
|
110
|
0
|
Line Entity
|
A line is a bounded, connected portion of a straight line which has distinct start and termination points.
|
|
110
|
1-2
|
Line Entity
|
Form 1 is a semi-bounded line bounded on one end and unbounded on the other end. Form 2 is an unbounded line, i.e. an infinite line.
|
|
112
|
|
Parametric Spline Curve Entity
|
The Parametric Spline Curve is a sequence of parametric polynomial segments.
|
|
114
|
|
Parametric Spline Surface Entity
|
The Parametric Spline Surface is a grid of parametric polynomial patches.
|
|
116
|
|
Point Entity
|
A point is defined by its coordinates in definition space.
|
|
118
|
|
Ruled Surface Entity
|
A ruled surface is formed by moving a line connecting points of equal relative arc length (Form 0) or equal relative parametric value (Form 1) on two parametric curves from a start point to a terminate point on the curves. The parametric curves may be points, lines, conics, parametric splines, rational B-Splines, composite curves, or any parametric curves defined in the specification.
|
|
120
|
|
Surface of Revolution Entity
|
A surface of revolution is defined by an axis of rotation (which shall be a line entity (Type 110, Form 0), a generatrix, and start and terminate rotation angles. The surface is created by rotating the generatrix about the axis of rotation through the start and terminating angles.
|
|
122
|
|
Tabulated Cylinder Entity
|
A tabulated cylinder is a surface formed by moving a line segment called the generatrix parallel to itself along a curve called the directrix. This curve may be a line, circular arc, conic arc, parametric spline curve, rational B-spline curve, composite curve, or any parametric curve defined in this specification.
|
|
123
|
|
Direction Entity
|
A direction entity is a non-zero vector in Euclidean 3-space that is defined by its three components with respect to the coordinate axes.
|
|
124
|
|
Transformation Matrix Entity
|
The transformation matrix entity transforms three-row column vectors by means of a matrix multiplication and then a vector addition.
|
|
125
|
|
Flash Entity
|
A flash entity is a point in the ZT=0 plane that defines the location of a specific instance of a particular closed area.
|
|
126
|
|
Rational B-Spline Curve Entity
|
The rational B-Spline curve may represent analytic curves of general interest.
|
|
128
|
|
Rational B-Spline Surface Entity
|
The rational B-spline surface represents various analytical surfaces of general interest.
|
|
130
|
|
Offset Curve Entity
|
The Offset Curve Entity defines the data necessary to determine the curve offset from a given base curve C.
|
|
132
|
|
Connect Point Entity
|
A Connect Point Entity defines a point of connection for zero, one, or more entities.
|
|
134
|
|
Node Entity
|
The node entity is a geometric point used in the definition of a finite element.
|
|
136
|
|
Finite Element Entity
|
A finite element is defined by an element topology (i.e. node connectivity), along with physical and material properties.
|
|
138
|
|
Nodal Displacement and Rotation Entity
|
The nodal displacement and rotation entity is used to communicate finite element post processing data. It contains the incremental displacement and rotations (expressed in radians) for each load case and each node in the model.
|
|
140
|
|
Offset Surface Entity
|
The offset surface is a surface defined in terms of an existing surface.
|
|
141
|
|
Boundary Entity
|
The Boundary Entity identifies a surface boundary consisting of a set of curves lying on the surface.
|
|
142
|
|
Curve on a Parametric Surface Entity
|
The curve on a parametric surface entity associates a given curve with a surface and identifies the curve as lying on the surface.
|
|
143
|
|
Bounded Surface Entity
|
The bounded surface entity is used to represent trimmed surfaces. The surfaces and trimming curves are assumed to be represented parametrically.
|
|
144
|
|
Trimmed (Parametric) Surface Entity
|
Equivalent to a Trimmed Parametric surface in FRED.
|
|
146
|
|
Nodal Results Entity
|
Not supported by FRED.
|
|
148
|
|
Element Results Entity
|
Not supported by FRED.
|
|
150
|
|
Block Entity
|
Represents a rectangular block. Not supported in FRED.
|
|
152
|
|
Right Angular Wedge Entity
|
A 3D block object with four rectangular faces and two quadratic faces. Not supported in FRED.
|
|
154
|
|
Right Circular Entity
|
A 3D cylinder object. Not supported in FRED.
|
|
156
|
|
Right Circular Cone Frustum Entity
|
A 3D cone object which may or may not come to a point. Not supported in FRED.
|
|
158
|
|
Sphere Entity
|
A sphere object defined as a point and a radius in 3 dimensions. Not supported in FRED.
|
|
160
|
|
Torus Entity
|
A circle revolved around an axis in the same plane as the circle. Not supported in FRED.
|
|
162
|
|
Solid of Revolution Entity
|
A solid 3D object formed by rotating a planar shape through an angle about an axis. Not supported in FRED.
|
|
164
|
|
Solid of Linear Extrusion Entity
|
A solid 3D object formed by extruding a planar shape through a distance. Not supported in FRED.
|
|
168
|
|
Ellipsoid Entity
|
A solid 3D object formed by rotating an ellipse about its major axis 180 degrees. Not supported in FRED.
|
|
180
|
|
Boolean Tree Entity
|
An IGES entity that supports Boolean logical operations. Not supported in FRED.
|
|
182
|
|
Selected Component Entity
|
An IGES entity that supports a selected component of a CSG solid. Not supported in FRED.
|
|
184
|
|
Solid Assembly Entity
|
Not supported by FRED.
|
|
186
|
|
Manifold Solid B-Rep Object Entity
|
Not supported by FRED.
|
|
190
|
|
Plane Surface Entity
|
A plane surface. Not supported in FRED; the FRED plane is defined differently. This type is neither read in nor written out.
|
|
192
|
|
Right Circular Cylindrical Surface Entity
|
A cylinder defined by a point, a direction, and a radius. Not supported in FRED.
|
|
194
|
|
Right Circular Conical Surface Entity
|
A cone defined by a point, an axis direction, a radius, and an angle. Not supported in FRED.
|
|
196
|
|
Spherical Surface Entity
|
A sphere defined by a point and a surface (not a solid). Not supported in FRED.
|
|
198
|
|
Toroidal Surface Entity
|
A surface defined by a point, an axis, and two radii. Not supported in FRED.
|
|
202
|
|
Angular Dimension Entity
|
IGES entity that represents the annotation of an angle measurement. Not supported in FRED.
|
|
204
|
|
Curve Dimension Entity
|
IGES entity that represents the annotation of the length of a curve. Not supported in FRED.
|
|
206
|
|
Diameter Dimension Entity
|
IGES entity that represents the annotation of the diameter of a circular arc. Not supported in FRED.
|
|
208
|
|
Flag Note Entity
|
IGES entity that represents an annotation flag. Not supported in FRED.
|
|
210
|
|
General Label Entity
|
IGES entity that represents a general note. Not supported in FRED.
|
|
212
|
|
General Note Entity
|
IGES entity that represents a set of text strings. Not supported in FRED.
|
|
213
|
|
New General Note Entity
|
IGES entity like type 212 but able to accommodate more text characteristics. Not supported in FRED.
|
|
214
|
1-12
|
Leader (Arrow) Entity
|
IGES entity representing an arrow head point. Not supported in FRED.
|
|
216
|
|
Linear Dimension Entity
|
IGES entity that represents a dimension between two points. Not supported in FRED.
|
|
218
|
|
Ordinate Dimension Entity
|
IGES entity that represents a set of dimensions from a common base line. Not supported in FRED.
|
|
220
|
|
Point Dimension Entity
|
IGES entity that represents a text string surrounded by a circle or hexagon, annotating a point. Not supported in FRED.
|
|
222
|
0-1
|
Radius Dimension Entity
|
IGES entity that represents a point where annotating text is surrounded by a circle. Not supported in FRED.
|
|
228
|
0-1
|
General Symbol Entity
|
IGES entity that represents a set of notes that annotate a point, surrounded by a geometry entity. Not supported in FRED.
|
|
230
|
|
Sectioned Area Entity
|
IGES entity that represents an area that is filled with a line pattern. Not supported in FRED.
|
|
302
|
|
Associativity Definition Entity
|
IGES entity that represents a group. Not compatible with the FRED group.
|
|
304
|
1-2
|
Line Font Definition Entity
|
IGES entity that represents a line font. Not supported by FRED.
|
|
306
|
|
MACRO Definition Entity
|
IGES entity that represents a macro. Not supported by FRED.
|
|
308
|
|
Subfigure Definition Entity
|
IGES entity that allows for multiple instances of the same object. Not supported by FRED.
|
|
310
|
|
Text Font Definition Entity
|
IGES entity that defines the appearance of characters in a text font. Not supported by FRED.
|
|
312
|
|
Text Display Template Entity
|
IGES entity that sets parameters for displaying information from another entity. Not supported by FRED.
|
|
314
|
|
Color Definition Entity
|
IGES entity that stores the RGB color information for an entity. Not supported in FRED.
|
|
316
|
|
Units Data Entity
|
IGES entity that stores information about the unit's of a model in an IGES file. Not supported by FRED.
|
|
320
|
|
Network Subfigure Definition Entity
|
IGES entity similar to the type 308 subfigure definition, used to define a specialized subfigure. Not supported by FRED.
|
|
322
|
|
Attribute Table Definition Entity
|
IGES entity that defines a table of attributes for an entity. Not supported by FRED.
|
|
402
|
|
Associativity Instance Entity
|
Identifies the type of associativity relation between two entities. Not supported by FRED.
|
|
402
|
1
|
Group Associativity
|
IGES entity that allows a collection of entities to be maintained as one. Not supported by FRED.
|
|
402
|
3
|
Views Visible Associativity
|
IGES entity that defines an associativity to a view entity. Not supported by FRED.
|
|
402
|
4
|
Views Visible, Color, Line Weight Associativity
|
IGES entity that defines an associativity between view entities of differing display styles. Not supported by FRED.
|
|
402
|
5
|
Entity Label Display Associativity
|
IGES entity that defines an association between displays for entity labels. Not supported by FRED.
|
|
402
|
7
|
Group Without Back Pointers Associativity
|
IGES entity that defines an association between groups without back pointers. Not supported by FRED.
|
|
402
|
9
|
Single Parent Associativity
|
IGES entity that defines an association between a single parent and multiple entities. Not supported by FRED.
|
|
402
|
12
|
External Reference File Index Associativity
|
IGES entity that defines an association between definitions in separate files. Not supported by FRED.
|
|
402
|
13
|
Dimensioned Geometry Associativity
|
Deprecated by type 402 form 21. Not supported by FRED.
|
|
402
|
14
|
Ordered Group with Back Pointers Associativity
|
IGES entity that defines an association between ordered groups with back pointers. Not supported by FRED.
|
|
402
|
15
|
Ordered Group, no Back Pointers Associativity
|
IGES entity that defines an association between ordered groups without back pointers. Not supported by FRED.
|
|
402
|
16
|
Planar Associativity
|
IGES entity that defines an association between coplanar entities. Not supported by FRED.
|
|
402
|
18
|
Flow Associativity
|
IGES entity that defines an association between two entities with a flow path. Not supported by FRED.
|
|
402
|
19
|
Segmented Views Visible Associativity
|
IGES entity that defines an association between display parameters for two or more curves. Not supported by FRED.
|
|
402
|
20
|
Piping Flow Associativity
|
IGES entity that defines an association for a single fluid flow path. Not supported by FRED.
|
|
402
|
21
|
Dimensioned Geometry Associativity
|
IGES entity that defines an association between a dimension entity and the geometry entities it is dimensioning. Not supported by FRED.
|
|
404
|
|
Drawing Entity
|
IGES entity that defines a collection of annotation entities. Not supported by FRED.
|
|
406
|
|
Property Entity
|
IGES entity that contains numerical or textual data. Not supported by FRED.
|
|
406
|
1
|
Definition Levels Property
|
Not supported by FRED.
|
|
406
|
2
|
Region Restriction Property
|
Not supported by FRED.
|
|
406
|
3
|
Level Function Property
|
Not supported by FRED.
|
|
406
|
4
|
(OBSOLETE) – Region Fill Property
|
Not supported by FRED.
|
|
406
|
5
|
Line Widening Property
|
Not supported by FRED.
|
|
406
|
6
|
Drilled Hole Property
|
Not supported by FRED.
|
|
406
|
7
|
Reference Designator Property
|
Not supported by FRED.
|
|
406
|
8
|
Pin Number Property
|
Not supported by FRED.
|
|
406
|
9
|
Part Number Property
|
Not supported by FRED.
|
|
406
|
10
|
Hierarchy Property
|
Not supported by FRED.
|
|
406
|
11
|
Tabular Data Property
|
Not supported by FRED.
|
|
406
|
12
|
External Reference File List Property
|
Not supported by FRED.
|
|
406
|
13
|
Nominal Size Property
|
Not supported by FRED.
|
|
406
|
14
|
Flow Line Specification Property
|
Not supported by FRED.
|
|
406
|
15
|
Name Property
|
Not supported by FRED.
|
|
406
|
16
|
Drawing Size Property
|
Not supported by FRED.
|
|
406
|
17
|
Drawing Units Property
|
Not supported by FRED.
|
|
406
|
18
|
Intercharacter Spacing Property
|
Not supported by FRED.
|
|
406
|
19
|
Line Font Property
|
Not supported by FRED.
|
|
406
|
20
|
Highlight Property
|
Not supported by FRED.
|
|
406
|
21
|
Pick Property
|
Not supported by FRED.
|
|
406
|
22
|
Uniform Rectangular Grid Property
|
Not supported by FRED.
|
|
406
|
23
|
Associativity Group Type Property
|
Not supported by FRED.
|
|
406
|
24
|
Level to LEP Layer Map Property
|
Not supported by FRED.
|
|
406
|
25
|
LEP Artwork Stackup Property
|
Not supported by FRED.
|
|
406
|
26
|
LEP Drilled Hole Property
|
Not supported by FRED.
|
|
406
|
27
|
Generic Data Property
|
Not supported by FRED.
|
|
406
|
28
|
Dimension Units Property
|
Not supported by FRED.
|
|
406
|
29
|
Dimension Tolerance Property
|
Not supported by FRED.
|
|
406
|
30
|
Dimension Display Data Property
|
Not supported by FRED.
|
|
406
|
31
|
Basic Dimension Property
|
Not supported by FRED.
|
|
406
|
32
|
Drawing Sheet Approval Property
|
Not supported by FRED.
|
|
406
|
33
|
Drawing Sheet ID Property
|
Not supported by FRED.
|
|
406
|
34
|
Underscore Property
|
Not supported by FRED.
|
|
406
|
35
|
Overscore Property
|
Not supported by FRED.
|
|
406
|
36
|
Closure Property
|
Not supported by FRED.
|
|
408
|
|
Singular Subfigure Instance Entity
|
Not supported by FRED.
|
|
410
|
1
|
Perspective View Entity
|
Not supported by FRED.
|
|
412
|
|
Rectangular Array Subfigure Instance Entity
|
Not supported by FRED.
|
|
414
|
|
Circular Array Subfigure Instance Entity
|
Not supported by FRED.
|
|
416
|
|
External Reference Entity
|
Not supported by FRED.
|
|
418
|
|
Nodal Load / Constraint Entity
|
Not supported by FRED.
|
|
420
|
|
Network Subfigure Instance Entity
|
Not supported by FRED.
|
|
422
|
|
Attribute Table Instance Entity
|
Not supported by FRED.
|
|
422
|
0
|
Attribute Table Instance
|
Not supported by FRED.
|
|
422
|
1
|
Attribute Table Instance
|
Not supported by FRED.
|
|
430
|
|
Solid Instance Entity
|
Not supported by FRED.
|
|
502
|
1
|
Vertex List Entity
|
Not supported by FRED.
|
|
504
|
|
Edge List Entity
|
Not supported by FRED.
|
|
508
|
|
Loop Entity
|
Not supported by FRED.
|
|
510
|
|
Face Entity
|
Not supported by FRED.
|
|
514
|
|
Shell Entity
|
Not supported by FRED.
|