Deviation nSpector allows you to map and rectify Point Cloud Deviation in your BIM Model. 

Steps for the usage of the same. 

Step 1: 

If you are installing this for the very first time, there is an option for the trial version of 30 days available with the plugin 

Step 2: 

Click on the Run Analysis button, the user will be presented with a UI requesting the following details: 

• Limits: Define limits for comparison and their respective colors to represent the results. 

• Select Point Cloud: The user is asked to select the loaded point cloud with which the deviation to the model is to be done. 

• Results path: Select the location to store results, initially default document location is considered,(make sure there is 3 times the space available at the selected location with respect to the selected point cloud file size )  
• Advanced comparison option:
  - Select Compare Only Visible Elements to analyse visible elements only. 
  - Sected Compare Link Model to analyse linked models.
  - Select Process Selected Elements to prcoess only selected elements.
  - Select Process Section Box Region Elements to process elements inside the section region.

Step 3: 

Click on Analyze deviation button and wait till the program computes the deviation.

Step 4 : 

Review the results using the color-coded point cloud and the graphs generated representing the results.