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| ID | Project | Category | View Status | Date Submitted | Last Update |
| 0031796 | Open CASCADE | [OCCT] OCCT:Data Exchange | public | 2020-09-25 16:58 | 2020-09-25 17:07 |
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| Reporter | dpasukhi | |
| Assigned To | gka | |
| Priority | low | Severity | minor | |
| Status | new | Resolution | open | |
| Platform | | OS | | OS Version | |
| Product Version | | |
| Target Version | [OCCT] 7.6.0* | Fixed in Version | | |
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| Summary | 0031796: Data Exchange, DGT - support new types of datum target |
| Description | Attached STEP files, written by SolidWorks, contains PLACED_DATUM_TARGET_FEATURE with 'curve' and 'circular curve' descriptions.
XCAFDimTolObjects_DatumTargetType don't contain this types, so STEPCAFControl_GDTProperty.cxx does not handle it.
https://www.cax-if.org/documents/AP242ed2_HTML/AP242ed2_1.htm#S0PLACED_DATUM_TARGET_FEATURE [^]
The Description of PLACED_DATUM_TARGET_FEATURE can be ['point','line','rectangle','circle','circular curve'];
And according "Recommended practices" it can be 'area'.
Therefore, 'curve' — is unknown type, 'circular curve' — is unsupported.
PLACED_DATUM_TARGET_FEATURE with description 'circular curve' should be translated like a 'circle', i.e. it shared by
Shape_Representation_With_Parameters and contains a DERIVE parameter "target diameter"
Update STEPCAFControl_Reader and STEPCAFControl_GDTProperty is not enough.
Need to update STEPCAFControl_Writer Products_SRC/src/PMIVis/PMIVis_Exchange.cxx
(In this code exist switch case with this enum (Line : 1431)) and check valid integration a new type in all products (at least update all switch cases for this enum)
If possible, need to update XDEDRAW_GDTs and src/XCAFDimTolObjects/* |
| Steps To Reproduce |
ReadStep D d:/NIST_FTC_06_ASME1_RD_SW1802.STP
XDumpNbDGTs D f
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| Tags | No tags attached. |
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| Test case number | |
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| Attached Files |  NIST_FTC_06_ASME1_RD_SW1802.STP (3,211,505 bytes) 2020-09-25 16:58 |
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