install.packages('windfarmGA')grid_area instead.barometric_height instead.hexa_area instead.turbine_influences instead.init_population instead.get_dist_angles instead.crossover instead.plot_heatmap instead.plot_evolution instead.plot_result instead.plot_random_search instead.random_search_single instead.plot_windfarmGA instead.random_search instead.plot_parkfitness instead.plot_fitness_evolution instead.plot_leaflet instead.calculate_energy instead.get_grids instead.genetic_algorithm instead.plot_windrose instead.plot_cloud instead.resultrectplot_development instead.selection instead.genetic_algorithm with 200 iterations
and a rectangular shapefile sp_polygon