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Solutions Geo-Plus (Unlicensed)

Reza Mahmoudi Kuohi

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Version française

Menu:  Analyze / Cylinders

Batch detection of cylinders is possible with this tool. Cylinders will be detected if they respect four parameters:

  • Tolerance: Maximum distance between point and cylinder

  • Minimum cylinder radius : Determine the minimum radius to be used to detect a cylinder. Any cylinder with a smaller radius will be ignored

  • Maximum cylinder radius : Determine the maximum radius to be used to detect a cylinder. Any cylinder with a bigger radius will be ignored

  • Minimum points: Minimum number of points needed to define a cylinder

“Pick” allows the user to select the starting point by picking a point in the point cloud. The function can be restricted

Version française

The Cylinders Detection tool enables batch detection of cylindrical objects in the point cloud. Cylinders are identified based on four key parameters:

✔ Tolerance – Maximum allowable distance between a point and the detected cylinder.
✔ Minimum Cylinder Radius – The smallest radius a cylinder must have to be detected.
✔ Maximum Cylinder Radius – The largest radius a cylinder can have to be included in the detection.
✔ Minimum Points – The minimum number of points required to define a valid cylinder.

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1. Detection Parameters

Tolerance

  • Defines the maximum distance a point can be from the cylinder to be included in the detection.

  • Lower values increase precision but may exclude valid cylinders.

Minimum & Maximum Cylinder Radius

  • Minimum Radius – Cylinders smaller than this value will be ignored.

  • Maximum Radius – Cylinders larger than this value will be ignored.

  • Adjust these settings to target specific pipe sizes, columns, or structural elements.

Minimum Points

  • Defines the minimum number of points needed to form a valid cylinder.

  • Helps prevent false detections from sparse or noisy data.

2. Selecting the Processing Area

Pick Starting Point

  • Click “Pick” to manually select a starting point from the point cloud.

Limit by Radius

  • Restricts detection to a defined radius around the starting point

by using the “Limit by radius” option. If this option isn’t checked, it’s highly recommended to create

  • .

  • Helps focus detection on specific areas, reducing processing time.

  • ⚠ If unchecked, it is highly recommended to use a fence around the area to

be processed to minimize the time required for the detection. “Start” will launch the function and any cylinders detected will appear in the explorer under the “Objects” tab in the cylinders drop-down type.Image Removed

  • optimize performance.

3. Running the Detection

  1. Set the tolerance, radius limits, and minimum points.

  2. Choose a starting point (optional).

  3. Set a radius limit (recommended for faster processing).

  4. Click “Start” to begin detection.

  5. Detected cylinders will appear in the Explorer → Objects Tab → Cylinders.