IGES Reader
Supported Entities
- Circular arc (100)
- Composite curve (102)
- Conic arc (104)
- Copious data (106)
- Plane (108)
- Line (110)
- Parametric spline curve (112)
- Parametric spline surface (114)
- Point (116)
- Ruled surface (118, form 1 only)
- Surface of revolution (120)
- Tabulated cylinder (122)
- Direction (123)
- Transformation matrix (124)
- Flash (125)
- Rational B-spline curve (126)
- Rational B-spline surface (128)
- Offset surface (140)
- Boundary (141)
- Curve on a parametric surface (142)
- Bounded surface (143)
- Trimmed (parametric) surface (144)
- Manifold solid B-rep object (186)
- Plane surface (190)
- Right circular cylindrical surface (192)
- Right circular conical surface (194)
- Spherical surface (196)
- Toroidal surface (198)
- Angular dimension (202)
- Diameter dimension (206)
- General label (210)
- General note (212)
- Leader (214)
- Linear dimension (216)
- Radius dimension (222)
- General symbol (228)
- Sectioned area (230)
- Line font definition (304)
- Subfigure definition (308)
- Color definition (314)
- Form 7 group without back pointers (402)
- Drawing (404)
- Form 15 name (406)
- Singular subfigure instance (408)
- View (410)
- Vertex (502)
- Edge (504)
- Loop (508)
- Face (510)
- Shell (514)
Import Options
Value | Description |
---|---|
on |
Based on the success of the normal faceting operation, more cleanup attempts may be required. One option is to mesh it in advance to check the faceting. This may slow down the import due to the possible use of meshing operations, but should result in cleaner surfaces (default). |
off |
Do not check the faceting and apply normal cleanup. |
Value | Description |
---|---|
double |
A negative value (default) indicates to use the auto cleanup tolerance. A value greater than the calculated auto cleanup tolerance indicates to use that specific tolerance. Refer to the CAD Cleanup Tolerance. |
Value | Description |
---|---|
on |
Read color attributes of geometric entities as metadata.
|
off |
Do not read color attributes (default). |
Value | Description |
---|---|
Parts |
Generate a full part-based hierarchy. |
BOMOnly |
Generate an empty part-based hierarchy. |
TreeOfComponents |
Generate an assemblies/components based hierarchy. |
PackIntoSinglePart |
Consolidate hierarchy into a single part. |
Value | Description |
---|---|
on |
Preserve the original geometry edges, instead of merging them together during the import cleanup phase. |
off |
Merge edges together during the import cleanup phase (default). |
Value | Description |
---|---|
on |
Create region entities corresponding to IGES groups. |
off |
Do not create region entities. (default). |
Value | Description |
---|---|
on |
Import entities that are hidden, blanked, or no show. |
off |
Do not import entities that are hidden, blanked, or no show (default). |
Value | Description |
---|---|
on |
Import the model for visualization purposes only. This skips many of the import steps (cleanup, stitching, solid creation, and so on) to provide a faster import. The resulting model may not be suitable for other uses. |
off |
Import the model in the normal fashion (default). |
Value | Description |
---|---|
on |
Import free curves (wireframe entities) into the model (default). |
off |
Do not import free curves. |
Value | Description |
---|---|
on |
Import free points into the model (default). |
off |
Do not import free points. |
Value | Description |
---|---|
Layers to skip |
Enables the specification of layer numbers to import, in order to skip unwanted layers. To specify layer groupings, enter a hyphen between the beginning and ending values of the desired group. Groups are separated by commas. Example: |
Value | Description |
---|---|
ASSEMBLY |
Generate an assembly tree corresponding to the one contained in the file
(default). Meaningful if |
LAYERS_ONLY |
Create components based on the layer (=level) structure of the
file. Meaningful if |
LAYERS_AND_GROUPS |
Create components corresponding to layers and groups contained in the
file. Meaningful if |
Value | Description |
---|---|
on |
Read layer value as metadata.
|
off |
Do not read layer value (default). |
Value | Description |
---|---|
on |
Generate metadata with the original CAD hierarchy within the
part.
|
off |
Do not generate metadata with the original CAD hierarchy within the part (default). |
Value | Description |
---|---|
string |
The string is prefixed to all metadata names. No prefix is used by
default. See CAD Metadata Naming for more details. |
Value | Description |
---|---|
NEVER_MANAGE |
Do not generate special metadata (default). Meaningful if
|
MANAGE_CORRECT_ONLY |
Read group ID and name as metadata. This is useful for special cases where the group ID and name have special meaning, such as to indicate a property ID and name. This applies to IGES entity type #402, form number #7.
@CreationType = “TreeOfComponents ”. |
Value | Description |
---|---|
|
Enable the import of three types of independent entities. Use a semicolon to separate multiple values. When more than one value is used, both independent and logically dependent entities are treated as independent. Generally, this option should only be used for a particular vendor that marks some entities as dependent when they are imported. The reader imports the entities according to the value specified in the file. The default is |
Value | Description |
---|---|
double |
Define the model scaling factor during import. Default is 1.0. |
Value | Description |
---|---|
on |
Import the model without computing connectivity. The surfaces will not be connected. This option speeds up import, but may not be suitable for any other purpose than visualization. |
off |
Import the model in the normal fashion (default). |
Value | Description |
---|---|
on |
Read surfaces, but do not create solid entities. |
off |
Create solid entities (default). |
Value | Description |
---|---|
Entity types and subtypes to skip |
Specific entity types, or even subtypes (that is entity types with specific form numbers) that should be skipped during import. The list of types uses semicolons as separators. Example: |
Value | Description |
---|---|
Body |
Generate body-based component (default if
CreationType =Parts ). |
Layer |
Generate layer-based component. |
Part |
Generate part-based component. |
General |
Keep component as in CAD (default if
CreationType =TreeOfComponents ). |
Value | Description |
---|---|
on |
Read tags of supported entities as metadata (default).
|
off |
Do not read tags. |
Value | Description |
---|---|
CAD units |
Keep the units of the CAD files (default for GUI). |
MKS [m kg N s] |
Convert to the corresponding units system. |
MMKS [mm kg N s] |
Convert to the corresponding units system. |
MPA [mm t N s] |
Convert to the corresponding units system. |
CGS [cm g dyn s] |
Convert to the corresponding units system. |
MMKNMS [mm kg kN ms] |
Convert to the corresponding units system. |
MMGNMS [mm g N ms] |
Convert to the corresponding units system. |
IPS Std [in pounds lbf s] |
Convert to the corresponding units system. |
IPS Grav [in slinch lbf s] |
Convert to the corresponding units system. |
FPS Std [ft pounds lbf s] |
Convert to the corresponding units system. |
FPS Grav [ft slug lbf s] |
Convert to the corresponding units system. |
Scale factor |
Apply the corresponding scale factor (default for no GUI to allow supporting legacy scripts). |
Value | Description |
---|---|
on |
Entities referenced by an entity type #402 from #16 are transformed from 2D local space into 3D absolute space. Early IGES files from SolidWorks require such an operation. |
off |
(default) |
Value | Description |
---|---|
on |
The reader attempts to traverse group entities (default). |
off |
Ignore references to entities within a group. |
Value | Description |
---|---|
on |
Attempt to compute the boundary definition by projecting 3D trimming curves (if such curves are available) onto the surface only for revolution surface entities (type #120). |
off |
Use parameter space trimming loops whenever possible. Given an IGES file containing correct data, this option is faster and more robust than reading object space loops (default). |
Value | Description |
---|---|
on |
Attempt to compute the boundary definition by projecting 3D trimming curves (if such curves are available) onto the surface. This is useful if the parameter space trimming loops in the file contain incorrect geometry data. |
off |
Use parameter space trimming loops whenever possible. Given an IGES file containing correct data, this option is faster and more robust than reading object space loops (default). |
Value | Description |
---|---|
on |
Attempt to create the boundary definition using 2D or 3D curves, based on the preferred representation provided by entity type #142. This option can be overridden by either |
off |
(default) |
Value | Description |
---|---|
on |
Attempt to read Ansys NURBS surface format. |
off |
(default) |
Value | Description |
---|---|
List of vendor names |
Use vendor information to search the global section of the file to determine if it is from a particular vendor. Each vendor name is separated by semicolons and all spaces in the vendor name must be replaced by an underscore. Example: After a vendor has been added to the list, options for that particular vendor can be specified. If a file is recognized as coming from a particular vendor, settings for that vendor take priority over "general" settings. Example: |
Supported Metadata
Type | Entities | Description |
---|---|---|
string |
comps | The author block as read from the 'G' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
string |
comps | The author's organization block from the 'S' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
string |
lines surfs |
Three RGB values, ranging from 0 to 255, indicating the color of the entity in the CAD model. Generated when |
Type | Entities | Description |
---|---|---|
string |
comps | The comment block from the 'S' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
integer |
comps | The drafting standard block from the 'G' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
string |
comps | The file name block from the 'G' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
string |
assems if hierarchy as Assemblies; parts if hierarchy as Parts | The value of the FunctionalProperty attribute for a panel or a group of sub-objects of a panel. |
Type | Entities | Description |
---|---|---|
string |
comps |
The IGES entity type #402, form number #7 group name as read from the CAD model, if one exists. Generated when |
Type | Entities | Description |
---|---|---|
integer |
comps | The IGES version block from the 'G' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
string |
comps | The import date block from the 'G' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
integer |
|
Value of the layer of an entity. Generated when
|
Type | Entities | Description |
---|---|---|
string |
|
Hierarchy of an entity within a part. Generated when
|
Type | Entities | Description |
---|---|---|
integer |
comps if hierarchy as Assemblies; parts if hierarchy as Parts | Model units specified in the CAD file.
This is always generated. |
Type | Entities | Description |
---|---|---|
string |
comps | The modification date block from the 'G' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
string |
comps | The preprocessor version block from the 'G' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
string |
comps | The product identification block from the 'G' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
string |
comps | The receiving product ID block from the 'G' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
string |
comps | The system ID block from the 'G' section of the file. This is generated only when the block is found in the file. |
Type | Entities | Description |
---|---|---|
string |
points lines surfs |
The tag (name) of the entity as read from the CAD model, if one exists. Generated when |
Type | Entities | Description |
---|---|---|
string |
comps | The units block from the 'G' section of the file. This is generated only when the block is found in the file. |