Back to Plotly Py

3d Parametric Plots

doc/unconverted/python/3d-parametric-plots.md

6.7.04.7 KB
Original Source
<!-- #region {"deletable": true, "editable": true} -->

New to Plotly?

Plotly's Python library is free and open source! Get started by downloading the client and reading the primer.

You can set up Plotly to work in online or offline mode, or in jupyter notebooks.

We also have a quick-reference cheatsheet (new!) to help you get started!

<!-- #endregion --> <!-- #region {"deletable": true, "editable": true} -->

Basic Parametric Plot

<!-- #endregion -->
python
import plotly.plotly as py
import plotly.graph_objs as go

import numpy as np

s = np.linspace(0, 2 * np.pi, 240)
t = np.linspace(0, np.pi, 240)
tGrid, sGrid = np.meshgrid(s, t)

r = 2 + np.sin(7 * sGrid + 5 * tGrid)  # r = 2 + sin(7s+5t)
x = r * np.cos(sGrid) * np.sin(tGrid)  # x = r*cos(s)*sin(t)
y = r * np.sin(sGrid) * np.sin(tGrid)  # y = r*sin(s)*sin(t)
z = r * np.cos(tGrid)                  # z = r*cos(t)

surface = go.Surface(x=x, y=y, z=z)
data = [surface]

layout = go.Layout(
    title='Parametric Plot',
    scene=dict(
        xaxis=dict(
            gridcolor='rgb(255, 255, 255)',
            zerolinecolor='rgb(255, 255, 255)',
            showbackground=True,
            backgroundcolor='rgb(230, 230,230)'
        ),
        yaxis=dict(
            gridcolor='rgb(255, 255, 255)',
            zerolinecolor='rgb(255, 255, 255)',
            showbackground=True,
            backgroundcolor='rgb(230, 230,230)'
        ),
        zaxis=dict(
            gridcolor='rgb(255, 255, 255)',
            zerolinecolor='rgb(255, 255, 255)',
            showbackground=True,
            backgroundcolor='rgb(230, 230,230)'
        )
    )
)

fig = go.Figure(data=data, layout=layout)
py.iplot(fig, filename='Parametric_plot')
<!-- #region {"deletable": true, "editable": true} -->

Parametric Plot with Colorscale

<!-- #endregion -->
python
import plotly.plotly as py
import plotly.graph_objs as go

import numpy as np

dphi, dtheta = np.pi / 250.0, np.pi / 250.0
[phi, theta] = np.mgrid[0:np.pi + dphi * 1.5:dphi, 0:2 * np.pi +
                        dtheta * 1.5:dtheta]
m0 = 4; m1 = 3; m2 = 2; m3 = 3; m4 = 6; m5 = 2; m6 = 6; m7 = 4;

# Applying the parametric equation..
r = (np.sin(m0 * phi) ** m1 + np.cos(m2 * phi) ** m3 +
     np.sin(m4 * theta) ** m5 + np.cos(m6 * theta) ** m7)
x = r * np.sin(phi) * np.cos(theta)
y = r * np.cos(phi)
z = r * np.sin(phi) * np.sin(theta)


surface = go.Surface(x=x, y=y, z=z, colorscale='Viridis')
data = [surface]
layout = go.Layout(
    title='Another Parametric Plot',
    scene=dict(
        xaxis=dict(
            gridcolor='rgb(255, 255, 255)',
            zerolinecolor='rgb(255, 255, 255)',
            showbackground=True,
            backgroundcolor='rgb(230, 230,230)'
        ),
        yaxis=dict(
            gridcolor='rgb(255, 255, 255)',
            zerolinecolor='rgb(255, 255, 255)',
            showbackground=True,
            backgroundcolor='rgb(230, 230,230)'
        ),
        zaxis=dict(
            gridcolor='rgb(255, 255, 255)',
            zerolinecolor='rgb(255, 255, 255)',
            showbackground=True,
            backgroundcolor='rgb(230, 230,230)'
        )
    )
)
fig = go.Figure(data=data, layout=layout)
py.iplot(fig, filename='parametric-plot-viridis')
<!-- #region {"deletable": true, "editable": true} -->

Reference

<!-- #endregion --> <!-- #region {"deletable": true, "editable": true} -->

See https://plot.ly/python/reference/#surface for more information!

<!-- #endregion -->
python
from IPython.display import display, HTML

display(HTML('<link href="//fonts.googleapis.com/css?family=Open+Sans:600,400,300,200|Inconsolata|Ubuntu+Mono:400,700" rel="stylesheet" type="text/css" />'))
display(HTML('<link rel="stylesheet" type="text/css" href="http://help.plot.ly/documentation/all_static/css/ipython-notebook-custom.css">'))

! pip install git+https://github.com/plotly/publisher.git --upgrade

import publisher
publisher.publish(
    '3d-parametric.ipynb', 'python/3d-parametric-plots/', '3D Parametric Plots | plotly',
    'How to 3D Parameteric Plots in Python',
    title= '3D Parametric Plots in Python | plotly',
    name = 'Parametric Plots',
    has_thumbnail='true', thumbnail='thumbnail/parametric.jpg',
    language='python',
    display_as='3d_charts', order=9,
    ipynb= '~notebook_demo/69')
python