Compare 3D models

Do you have two versions of a 3D model in the IFC file format and need to quickly see the differences?

Discover usBIM.compare, just a few simple clicks to compare different versions of your IFC models and identify geometric and informative differences in detail

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usBIM.compare is an integrated application in usBIM
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Do you have two versions of a 3D model in the IFC file format and need to quickly see the differences | usBIM.compare | ACCA software

Keeping track of all changes made to an IFC 3D model can be difficult, especially if multiple people are working on it

usBIM.compare is the solution to compare and evaluate IFC file revisions in a few simple steps!

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How to compare two 3D models in IFC format in a few simple steps

Comparing two 3D models in IFC format is quick and easy with usBIM.com!

Discover how it's done in 5 simple steps:

create a new comparison file in the usBIM cloud service;
choose the 3D IFC model that you'd like to analyse;
choose the IFC versions for the comparison;
start the calculation process for comparing files;
view the geometric and information differences detected directly on the model.

How to compare 3D models?

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Quickly identify differences between two versions of an IFC file and assess the impact of changes on entire project | usBIM.compare | ACCA software

Quickly identify differences between two versions of an IFC file and assess the impact of changes on the entire project

usBIM.compare allows you to view the changes directly on the BIM model highlighting any differences detected with different colors.

This powerful but simple method allows you to see how the new version differs from the original version used as a reference.

In addition, at each comparison usBIM.compare generates an objects classification composing the model being assessed dividing them into:

Added: specifies the number of items added in the comparison version that were not present in the reference version;
Removed: specifies the number of items removed in the comparison version that were already present in the reference version;
Changed: specifies the number of elements changed in terms of geometry, position and properties;
Unchanged: specifies the number of elements that, during the design phase, have not undergone any geometric and/or informative changes.

This gives you a clear idea of the impact of any changes on the project.

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Use the 3D model comparison integrated in usBIM

Quickly and intuitively compare the two versions of the IFC file with viewing filters

To analyze the differences between the two versions, select the object directly from the model or use special viewing filters to analyze the elements based on:

status;
global ID;
element type or name;
changes found between "old" and "new" versions of the 3D model in IFC format.

Reading the comparison calculation results between two versions of the IFC file turns out to be much faster and the useful colour mapping and highlighting allows for better reading of detected object changes directly on the BIM model!

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Discover the functions to compare 3D models

Easily compare the IFC property values of the new and previous model and identify all variations

With usBIM.compare quickly compare the property sets of two versions of the same IFC file. Once the comparison is started, the software generates an intuitive table with all the IFC properties for the previous and the current model. This allows you to keep track of the changes made.

In this way usBIM.compare offers a complete view of the changes made to a 3D model in IFC format through:

a visual comparison of the geometric differences directly on the 3D model
a list of the IFC properties that have changed.

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Export and share the comparison results in standard formats

Once the geometric and informative differences between the two IFC models have been detected, with usBIM.compare you can export the comparison results relating to the file versions:

in the standard format .BCF (BIM Collaboration Format) a buildingSMART international^® standard;
or in the formats .CSV and .XLS

Easily save the comparison document to the cloud and share the contents with other members of your team, even using usBIM instant messaging system.

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FAQ

What is meant by comparison of two 3D models?

Two 3D model comparison is a process of identifying and analyzing the differences between two different versions of a 3D model. These variations may relate to geometric, informational or structural aspects of the model, and are highlighted to understand how the two versions differ from each other.

Why should you make a comparison between two versions of the 3D model?

Comparing two versions of the 3D model helps to:

identify the changes made between versions, providing a clear view of the differences;
assess the impact of the changes on the project and ensure that all parties involved are aware of the revisions;
maintain the accuracy and consistency of the design.

To compare two versions of a 3D model, you just need to:

upload both versions in usBIM.compare;
perform difference analysis between the two versions of the IFC BIM model, using the available comparison tools;
view highlighted changes, such as geometric, informational, or structural differences, directly on the model (added, removed, changed, and unchanged);
evaluate the impact of the changes and make informed decisions based on the results of the comparison.

To learn more about the steps involved in comparing different versions of the 3D model, you can read the article "How to detect changes in IFC models" which explains in detail how to use usBIM.compare.

How to compare 3D models?

To compare two versions of a 3D model, you just need to:

upload both versions in usBIM.compare;
perform difference analysis between the two versions of the IFC BIM model, using the available comparison tools;
view highlighted changes, such as geometric, informational, or structural differences, directly on the model (added, removed, changed, and unchanged);
evaluate the impact of the changes and make informed decisions based on the results of the comparison.

To learn more about the steps involved in comparing different versions of the 3D model, you can read the article "How to detect changes in IFC models" which explains in detail how to use usBIM.compare.

How to identify differences between two versions of an IFC file using usBIM.compare?

usBIM.compare highlights the differences directly on the BIM model using different colors for each type of change. It also generates a classification of objects, indicating elements that have been added, removed, changed, or remained unchanged.

Can I compare IFC property values between the new and the old model using usBIM.compare?

Yes, usBIM.compare allows you to quickly compare the property sets of two versions of the same IFC file. The software generates an intuitive table with the values of all IFC properties for the old and new models, allowing you to keep track of changes made.

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