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What is a WRL File?

Wed Jan 15, 2020

WRL files are an extension of the Virtual Reality Modeling Language (VRML) format . VRML file types enable browser plugins to display virtual reality environments. The term VRML is often referred to as “worlds” or vrml world file - which is also what WRL actually stands for.

Tags: CGM 3D InterOp 3D Software Development Kits Hybrid Modeling 3D Modeling 3D Interoperability 3D Visualization 3D Data

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The Main Benefits and Disadvantages of Voxel Modeling

Wed Dec 18, 2019

Voxels are to 3D what pixels are to 2D.

Firstly -- let’s examine what pixels actually are. Everything you see on your computer screen is made up of very small squares called “pixels.” 

Tags: CGM 3D InterOp 3D Software Development Kits Hybrid Modeling 3D Modeling 3D Interoperability 3D Visualization 3D Data

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The Main Benefits and Disadvantages of Point-Cloud Modeling

Tue Dec 17, 2019

Point-cloud modeling is typically used in the process of 3D scanning objects. 

Rather than defining surfaces through mathematical formulas, or building them out of rudimentary shapes like triangles -- point cloud modeling creates a representation of a 3D object with densely placed vertices -- or “points” -- along its surface. 

Tags: CGM 3D InterOp 3D Software Development Kits Hybrid Modeling 3D Modeling 3D Interoperability 3D Visualization 3D Data

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The Main Benefits and Disadvantages of Polygonal Modeling

Tue Dec 17, 2019

Polygonal (or polyhedral) modeling is the most common type of modeling for video games and animation studios. 

This type of modeling builds 3D objects out of smaller components called “tris” (triangles) or “polys” (polygons).

Tags: CGM 3D InterOp 3D Software Development Kits Hybrid Modeling 3D Modeling 3D Interoperability 3D Visualization 3D Data

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The Main Benefits and Disadvantages of BRep Modeling

Fri Dec 6, 2019

BRep modeling, or Boundary Representation modeling, is, in CAD applications, the most common type of modeling. BRep is a mathematically precise representation of a 3D object. This representation defines the geometric boundaries between solid and non-solid geometries. 

Tags: CGM 3D InterOp 3D Software Development Kits Hybrid Modeling 3D Modeling 3D Interoperability 3D Visualization 3D Data

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How The Best 3D InterOp Helps Reduce CAD File Errors in the Manufacturing Process

Thu Aug 9, 2018

Due to different workflows, it is not uncommon to find companies collaborating with one another (e.g. a design/engineering firm and manufacturer) utilize different computer-aided design (CAD) suites. However, the risk with such processes is that both sides involved in the project will have difficulty reading non-native CAD files.

Tags: 3D InterOp

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Rounding Dimension Values from 3D InterOp

Wed Aug 16, 2017

 Recently I was asked a question about one of the standard test files generated by NIST (National Institute for Standards and Technology) that was being translated by our 3D InterOp translator.  The question concerned the diameter of a hole in the geometry with a dimension on it specifying ⌀0.238, which sounded innocuous enough at first.

Tags: 3D InterOp 3D Interoperability

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Healing and Preserving 3D Model Intent

Tue Aug 23, 2016

Part and parcel with model-based engineering is model translation. Because the model is now the specification, accurate translation from one system to another becomes essential. But even if a model is accurately read, the intent of the model has to also be properly interpreted. Key to proper model interpretation is healing — the process of modifying model data so that it conforms to the rules of the target system, while adhering to the intent of the source.

Tags: 3D InterOp 3D Software Development Kits 3D ACIS 3D Modeling

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Emergence of STEP AP 242

Wed Jul 13, 2016

In a past blog, The Impact of Model-Based Definition (MBD) on 3D Modeling and Manufacturing, we discussed the growing role of MBD. To recap: although 3D modeling has been the standard in design for decades, many manufacturers still rely heavily on 2D drawings when communicating with suppliers. MBD enables the next step in CAD evolution where the 3D model becomes the means of communicating manufacturing data and specifications (product and manufacturing information or PMI).

Tags: 3D InterOp

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One-Way Associativity for 3D CAD Analysis Applications

Tue Mar 1, 2016

Analysis applications often use solid models generated by CAD systems as their input; for example, the structural analysis of an engineering model. The user of the system applies a set of loads and boundary conditions to the model, and then the software performs its analysis and supplies a set of deformations or stresses in the material, allowing an engineer to look at the results and decide whether the design fits its purpose.

Tags: 3D InterOp 3D Interoperability

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