GitHub

cartesian_to_spherical_conversion.py

x = radius * math.sin(phi_in_radians) * math.cos(theta_in_radians) y = radius * math.sin(phi_in_radians) * math.sin(theta_in_radians) z = radius * math.cos(phi_in ...
Europe PMC

A Reversible Spherical Geometric Conversion of Protein Backbone Structure Coordinate Matrix to Three Independent Vectors of ρ, θ and φ

Due to the vast conformational space proteins can adopt, accurate and efficient prediction of protein structure remains still a challenging task, coupled with the intricacies of interatomic ...
IEEE

Limits in tracking with extended Kalman filters

Abstract: The classical linearized conversion of measurements from polar or spherical coordinates to Cartesian ones generates a bias restricting the use of this conversion to cases where the bias can ...
GitHub

cshaa/Sketchup-Coord-Tools

This extension is capable of unwrapping cylindrical surfaces into flat faces and vice versa. This is achieved by converting the Cartesian coordinates of each vertex into cylindrical coordinates and ...