# coding: utf-8

# Plots inline for notebook
get_ipython().run_line_magic('matplotlib', 'inline')

# Import the OSCARS SR module
import oscars.sr

# Import the 3D and parametric surfaces utilities
from oscars.plots3d_mpl import *
from oscars.parametric_surfaces import *


# Create a new OSCARS object.  Default to 8 threads and always use the GPU if available
osr = oscars.sr.sr(nthreads=8, gpu=1)


# Clear all existing fields and create an undulator field
osr.clear_bfields()
osr.add_bfield_undulator(bfield=[0, 1, 0], period=[0, 0, 0.050], nperiods=31)


# Define simple electron beam
osr.set_particle_beam(energy_GeV=3, x0=[0, 0, -1], current=0.5)

# Define the start and stop times for the calculation
osr.set_ctstartstop(0, 2)


# First create the surface of interest
cylinder = PSCylinder(R=0.020, L=0.010, nu=101, nv=101)

# Run calculation and plotting
pd = power_density_3d(osr, cylinder, rotations=[osr.pi()/2, 0, 0], translation=[0, 0, 30])