Exyn

Prevu3D supports the following scanners from Exyn Technologies:

• Nexys

• Nexys Pro

Exyn software for processing:

• ExynView

Data Processing

Export Settings

In order to process an Exyn dataset inside Prevu3D, we require the following files which can be exported from ExynView:

• Colorized Pointcloud (PLY)

• [Optional] Photospheres

• [Optional] Photosphere image location file (“image_locations.csv”)

Step 1: Pointcloud Processing

You are required to process the raw exlog data within ExynView on the ExynView tablet to generate a point cloud. For Prevu3D compatibility, the “Full Colorization” option must be selected.

To do this:

1. Transfer the exlog from the Nexy to the ExynView tablet.

2. Open ExynView and select “Process Capture (.ex)” from the post processing menu.

3. Ensure that the colorization checkbox is checked and that the suboption for “Full” is selected.

4. Click OK to start the post processing pipeline.

Step 2: Pointcloud and Photosphere Export

Once the pointcloud is processed in Step 1, the colorized cloud and photospheres can be exported in the same post processing menu.

To do this:

1. Click the “Export” button within the “Export / Additional Processing” section.

2. Within the “Export Point Cloud” options dialog, unselect “Subsampling Options”.

3. [If Photospheres are desired] Select the “Enable Photosphere Export” option with the extraction format in “Panorama” and image orientation in “Map and Gravity Aligned (default)”.

4. Once options are configured, click “OK” to open the save dialog.

5. Navigate to the desired location in the save dialog and ensure that the file extension is configured as “Binary PLY (*.ply)”.

6. Once the file is saved the PLY file will appear in the configured location and a folder “<point_cloud_name>_images” will be created within the same directory which will include panoramic photos + the “image_location.csv” file.

Step 3: Import into Prevu3D

The PLY + images + image location file generated in Step 2 can now be uploaded to Prevu3D.