You can upload replace the floor plan for the surverythe uploaded survey with or without the floor plan.
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Click [Floor plan setting button
] on the top center of the mini-map. Click [Upload] and the Settings box will pop-up.
Adjust the Scale and Opacity of the uploaded floor plan by moving the control bar.
The uploaded floor plan will only be applied to the specific survey. If you want to upload the master floor plan please refer to the Manage floor plan, in the Management.