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import numpy as np | ||
import plotly.graph_objects as go | ||
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num_points = 10 | ||
points_range = 20 | ||
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# Función que crea pundos LiDAR simulados | ||
def create_point(): | ||
# Creación de componentes espaciales y de color | ||
x = np.random.rand() * points_range - points_range/2 | ||
y = np.random.rand() * points_range - points_range/2 | ||
z = np.random.rand() * points_range - points_range/2 | ||
r = int(round(np.random.rand() * 255)) | ||
g = int(round(np.random.rand() * 255)) | ||
b = int(round(np.random.rand() * 255)) | ||
# Creación del array | ||
point = np.array([x, y, z, r, g, b]) | ||
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return point | ||
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# Función para convertir RGB a formato hexadecimal | ||
def rgb_to_hex(r, g, b): | ||
# Conviertir valores RGB (0-255) a un color en formato hexadecimal del formato #FFFFFF | ||
return f'#{r:02x}{g:02x}{b:02x}' | ||
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# Función que crea una nube de puntos aleatorios | ||
def create_array(n): | ||
points = [] | ||
for idx in range(n): | ||
point = create_point() | ||
points.append(point) | ||
lidar_array = np.array(points) | ||
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return lidar_array | ||
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data = create_array(num_points) | ||
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# Función que genera un gráfico 3D con Plotly | ||
def plot_lidar_data(data): | ||
# Genera un gráfico 3D interactivo usando Plotly a partir de un array de puntos | ||
# Extraer coordenadas x, y, z del array y las componentes de color R, G, B | ||
x_vals = data[:, 0] | ||
y_vals = data[:, 1] | ||
z_vals = data[:, 2] | ||
r_vals = data[:, 3] | ||
g_vals = data[:, 4] | ||
b_vals = data[:, 5] | ||
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# Aplicamos la transformación a hexadecimal y creamos una lista 'colors' que tendra la componente #FFFFFF de cada punto | ||
colors = [rgb_to_hex(r, g, b) for r, g, b in zip(r_vals, g_vals, b_vals)] | ||
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# Crear el gráfico 3D | ||
fig = go.Figure(data=[go.Scatter3d( | ||
x = x_vals, | ||
y = y_vals, | ||
z = z_vals, | ||
mode = 'markers', | ||
marker = dict( | ||
size = 3, | ||
color = colors, | ||
colorscale = 'Viridis', # Escala de colores | ||
opacity = 0.8 | ||
) | ||
)]) | ||
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# Etiquetar los ejes | ||
fig.update_layout( | ||
scene=dict( | ||
xaxis_title='Eje X', | ||
yaxis_title='Eje Y', | ||
zaxis_title='Eje Z' | ||
), | ||
title="Gráfico 3D de puntos" | ||
) | ||
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# Mostrar el gráfico | ||
fig.write_html("grafico.html") | ||
fig.show() | ||
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