What did we seek to achieve ?

Accurate measurement, visualization and modeling of the interior spaces of Ravindra Natya Mandir.

PROJECT INFORMATION:
Client: Owners
Service: Drone Survey, 3D Laser Scanning, Scan to CAD, Scan to BIM
Industry: Commercial
Software Used:

UAV
UAV
NavVis M3
NavVis M3
Revit
Revit
AutoCAD
AutoCAD

How did we achieve it ?

To meet the client's requirements, we employed NavVis, an advanced scanning equipment and UAV data, we aligned and processed raw data, segmenting into external and internal areas for precise modeling.Data provided by NavVis has precise measurements and clear visualization of structural damages. Laser scans were performed using NavVis, generating detailed point cloud data. The data was then transformed into 2D or 3D representations based on the client's specifications.

NavVis facilitated data collection in various views, including point cloud data, panoramic images and map views. We aligned the data floor-wise to accurately represent each level of the eight-storied building.

The collected data was handed over to our modeling team, who utilized both NavVis and UAV data. Alignment and processing of the raw data addressed if any registration issues were present. Alignment considered external and core areas, elevation, staircase areas and fixed elements.

Modeling was performed at a Level of Detail (LOD) of 300, ensuring high accuracy. The models included textures and furniture, such as auditorium chairs, for a realistic portrayal of the spaces.

CHALLENGES

Utilizing the UAV for data capture alongside Ground Control Points (GCPs) for georeferencing posed difficulties. The UAV excelled at capturing high-altitude points but faced challenges with precise corner points. NavVis, employing the same GPS devices, exhibited a contrasting challenge. It performed well with corner points but struggled to attain top accuracy. Despite these challenges, an alignment of UAV and NavVis data was achieved. However, this alignment was complex due to inaccuracies in GCP capture, posing risks of location shifts and accuracy loss.

conclusion

Through the precise utilization of NavVis scanning equipment and data alignment processes, we successfully achieved our objective of accurately measuring, visualizing and modeling the interior spaces. of Ravindra Natya Mandir. Our complete representation enables precise identification and assessment of compromised areas, setting the stage for effective retrofitting measures.

OUTCOME

Provided a complete visual representation of Ravindra Natya Mandir's interior, facilitating precise identification and assessment of compromised areas.

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