Plotting a 3d cube, a sphere and a vector

It is a little complicated, but you can draw all the objects by the following code: from mpl_toolkits.mplot3d import Axes3D import matplotlib.pyplot as plt import numpy as np from itertools import product, combinations fig = plt.figure() ax = fig.gca(projection=’3d’) ax.set_aspect(“equal”) # draw cube r = [-1, 1] for s, e in combinations(np.array(list(product(r, r, r))), 2): … Read more

Which is the best way to estimate measure of photographed things?

find the coin (green bounding box rectangle) either manually or by some search for specific color,pattern,hough transform,segmentation… This will limit the area to search for next steps find the boundary (distinct red edge in color intensity) so create a list of points that are the coin boundary (be careful with shadows) just scan for high … Read more

google maps flutter check if a point inside a polygon

I found this answer and just modified some minor things to work with dart, I ran a test on a hardcoded polygon. The list _area is my polygon and _polygons is required for my mapcontroller. final Set<Polygon> _polygons = {}; List<LatLng> _area = [ LatLng(-17.770992200, -63.207739700), LatLng(-17.776386600, -63.213576200), LatLng(-17.778348200, -63.213576200), LatLng(-17.786848100, -63.214262900), LatLng(-17.798289700, -63.211001300), LatLng(-17.810547700, … Read more