How to download and setup LiDARSim2D
Open terminal and run command
                                            git clone https://github.com/Enigmatisms/LiDARSim2D.git
                                        
                                        git clone is used to create a copy or clone of LiDARSim2D repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with LiDARSim2D https://github.com/Enigmatisms/LiDARSim2D/archive/master.zip
Or simply clone LiDARSim2D with SSH
                                            [email protected]:Enigmatisms/LiDARSim2D.git                                    
                                    If you have some problems with LiDARSim2D
You may open issue on LiDARSim2D support forum (system) here: https://github.com/Enigmatisms/LiDARSim2D/issuesSimilar to LiDARSim2D repositories
Here you may see LiDARSim2D alternatives and analogs
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