What is the difference between STEP , IGES, Parasolid ? 2

[Madhu454]

What is the difference between STEP , IGES, Parasolid ?

 

[JohnRBaker]

STEP and IGES are standards-based neutral exchange protocals for CAD data files, while Parasolid is a modeling kernel. The definition and specifications for STEP and IGES, respectively, are the responsibly of the ISO and ANSI committees. While Parasolid is a product sold by Siemens PLM Software and while it has been licensed to many companies and organizations, and there is a public specification of the data interchange format, the software itself is the property of Siemens.

John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA

http://www.siemens.com/plm

UG/NX Museum:

http://www.plmworld.org/p/cm/ld/fid=209

To an Engineer, the glass is twice as big as it needs to be.

 

[JohnRBaker]

For more information about Parasolid, may I suggest you try:

http://www.plm.automation.siemens.com/en_us/products/open/parasolid/index.shtml

As for IGES and STEP, I'll leave that excersize to you.

John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA

http://www.siemens.com/plm

UG/NX Museum:

http://www.plmworld.org/p/cm/ld/fid=209

To an Engineer, the glass is twice as big as it needs to be.

 

[daluigi]

On an output result point of view, while exporting an assembly into Parasolid will give you a single file containing the geometry of every solid in the assembly, the STEP format will reproduce the components tree structure of the upper level to the leaves and also maintain some components attributes.

 

[JHTH]

... and iges will ruin your morning, so steer clear unless you really can't get hold of one of the other formats

JHTH
NX 7.5.5 + TC 8.3.2.2

 

[John2025]

JHTH,
That's just not true.
IGES is the gift that just keep giving. It'll ruin way more than one morning.
Only DXF is worse.

John