WhatsThePoint.jl

This package intends to provide functions for all things regarding point clouds.

Installation

Simply install the latest stable release using Julia's package manager:

] add https://github.com/JuliaMeshless/WhatsThePoint.jl

Quick Start

Although there are a number of features in this package, the initial use case is for generating point clouds for use in numerical solution of PDEs via a meshless method.

You can load a surface mesh and extract the boundary points using the PointBoundary constructor.

using WhatsThePoint
boundary = PointBoundary(joinpath(@__DIR__, "assets/bunny.stl"))

PointBoundary{Meshes.𝔼{3}, CoordRefSystems.Cartesian3D{CoordRefSystems.NoDatum, Unitful.Quantity{Float64, 𝐋, Unitful.FreeUnits{(m,), 𝐋, nothing}}}}
├─69664 points
└─Surfaces
  └─surface1

and we can visualize it with

using GLMakie
visualize(boundary; markersize=0.15)

bunny boundary

Then we can generate a point cloud using the PointCloud constructor.

spacing = ConstantSpacing(1m)
cloud = discretize(boundary, spacing; alg=VanDerSandeFornberg(), max_points=100_000)

and we can visualize again with visualize(cloud; markersize=0.15)

bunny discretized