DroneDeploy uses photogrammetry to create 3D Point Cloud (LAS) data, which you can export and use in design software. This guide details the steps for exporting Point Cloud data, importing it into ReCap, and then integrating it into Revit or any other design software.
Coordinate system used in DroneDeploy
DroneDeploy primarily uses the WGS84 EPSG 3857 (Web Mercator) coordinate system for its 3D models and maps. However, you can also use other coordinate systems based on your preferences or project requirements.
Availability: Who has access?
Point Cloud export is available for all paid DroneDeploy Aerial subscriptions.
It's an export feature accessible in the web app.
The ability to use specific coordinate systems, such as a local EPSG system, may depend on your project setup and subscription tier.
How to export Point Cloud data from DroneDeploy
Follow these steps to export your data:
Navigate to the Export feature located at the bottom left corner of the DD interface.
Select Point Cloud as the export format.
Ensure the desired target coordinate system is selected. It's advisable to use a local EPSG system for better accuracy.
Click the Export button to initiate the process. You will receive an email notification once the .las file is ready for download.
How to import a .las file into ReCap
ReCap allows you to modify Point Cloud data, including removing unwanted elements and reprojecting coordinates into different target systems. Follow these steps:
Create a new project in ReCap and specify the import of a Point Cloud.
Drag and drop the exported .las file into ReCap.
Access Advanced Settings.
Ensure both the current and target coordinate systems match the EPSG system you used in the DD export.
Import the files. This creates a .rcp file that is compatible with Revit.
How to import a .rcp file into Revit
Launch Revit and initiate a New Project.
Select the Insert tab.
Click the Point Cloud button. 4. Navigate to the location where the .rcp file is stored and Import it into Revit.
Comparing measurements
To maintain accurate dimensions, ensure that the coordinate systems you used in ReCap and DD for the export are consistent.
For a further understanding of EPSG and coordinate systems, refer to the [Wiki link] and [EPSG tool].
Limitations and considerations
The export process can take time, depending on the size of the project.
For the most accurate georeferencing, always use Ground Control Points (GCPs) when capturing your data.
Point clouds do not contain imagery data; they are solely a collection of 3D points.
By following these steps, you can successfully transfer Point Cloud data from DroneDeploy to Revit via ReCap, which enables efficient integration into your design workflows.
V2.2