Urban tree three-dimensional visualization method based on vehicle-mounted laser point cloud data
A point cloud data, vehicle-mounted laser technology, applied in image data processing, 3D modeling, instruments, etc., can solve triangular patch data and information loss, can not simultaneously smooth surface and repair holes, can not capture and reconstruct the surface well Local details and other issues can be avoided to avoid inaccurate expression of morphological features
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[0031] The present invention will be described in further detail below through the implementation of a sample and in conjunction with the accompanying drawings. The development environment of this example is Microsoft Visual Studio 2019, the external library PCL1.12.0, and the programming language C++.
[0032] A method for three-dimensional visualization of urban trees based on vehicle-mounted laser point cloud data, comprising the following steps:
[0033] Step 1. Take the vehicle-mounted laser point cloud data of a certain school as an example to carry out 3D visualization of urban trees. The data is obtained by using the SSW-2 vehicle-mounted laser scanner. The point cloud includes all the feature information obtained by the vehicle system, such as the ground, street trees, Buildings, green belts, basic public facilities, etc. Street trees include independent street trees and connected street trees, and the point cloud density is an average of 201 points / m2. The cloudcomp...
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