caption for image with python PIL aka Pillow -> image | caption | image with caption | python code | zip

python code to calculate froud number and model speed. -> here

cartesian to spherical coordinate conversion -> read

import of data from csv file -> Reading Text Tables with Python by -> zip of my tutorial 01_reading_writing_data_files_with_python

cartesian to polar corrdinates -> Faster numpy cartesian to spherical coordinate conversion? by -> Graphical Representations of Data by -> Examples by -> Pyplot tutorial by -> online Converting between Polar and Cartesian Coordinates

ploting data -> Pyplot tutorial

line equation from two points -> links: How can I solve multivariable linear equation in python?

DO -> Pyplot tutorial

working with text file adding a string or counting variable in line -> read

length of a string print (len("string length, number of letters and spaces also")) -> 48

import sys; print sys.path python modules

import vtk; vtk.VTK_VERSION vtk version