Compare Features using SOLIDWORKS Utilities

Compare Features using SOLIDWORKS Utilities
Posted in: Mechanical Design

In a previous blog, we used the Compare Geometry tool to analyze two versions of the same part to quickly identify any geometric similarities and differences. This time around, we’re going to take a look at the Compare Features tool. The Compare Features tool works very similarly to the Compare Geometry tool, but instead identifies the differences in actual solid features, including appearance properties.

To use the tool, click on Tools > Compare > Features. This will turn on the Utilities Add-In if it was not already turned on, and will also expand the Task Pane with the Compare tool active. From here we can select the two files we want to compare features. If you already have the files opened in SOLIDWORKS, select them from the drop down menus for Reference and Modified Documents. If not, you can browse for each of the files. Under Items to Compare, select Features and click Run Comparison.

Compare Menu

Compare Features references the FeatureManager Design Trees from the two parts and compares the list of features by name and type. These features are classified as either Unique Features or Modified Features. Unique features have their own name and type and appear exclusively in one part or the other, whereas Modified features have the same name and type and are in both parts. When Modified Features are found, the tool pairs them together and compares their individual parameters. This helps distinguish what features may have been added/removed, or had parameter values changed from one version of a part to the other.

The results will be listed in the Task Pane, showing each of the Unique Features and Modified Features for each of the parts (if any). If you click the top level feature (Unique (1)/Modified(2) Features), the Unique and Modified Features are color coded in the graphics area to show where the differences are between the two parts. It also shows a red dot in place of a feature icon if a Unique Feature doesn’t exist in that version of the part.

Compare Images

Furthermore, if you click on a Modified Feature from the list, the feature is highlighted on both parts in the graphics area and the parameters for that feature will be listed below. In this example, both parts have the “CSK for M10 Flat Head Machine Screw1” feature, but one has an Up To Surface end condition and the other has a Through All end condition. The tool will detect any differences in sketch geometry as well, which is why Cut-Extrude3 is on the list as a Modified Feature.

Compare Images

The results for the Compare Features can be saved in a by clicking on the Save Report icon at the top of the Compare Task Pane. We can see how the Compare Features tool differs from the Compare Geometry tool. Both work great to quickly compare two versions of the same part, but each has their specific uses. Be sure to check out our YouTube channel for more helpful tips!

 

May 26, 2016
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