download_caffeine

download_caffeine(load: bool = True) → PolyData | str

Download the caffeine molecule.

Added in version 0.44.0.

Parameters:

loadbool, default: True

Load the dataset after downloading it when True. Set this to False and only the filename will be returned.

Returns:

outputpyvista.PolyData | str

DataSet or filename depending on load.

Examples

Download Python source code | Download Jupyter notebook

>>> import pyvista as pv
>>> from pyvista import examples
>>> filename = examples.download_caffeine(load=False)
>>> reader = pv.get_reader(filename)
>>> poly = reader.read()

Add atoms and bonds to the plotter.

>>> pl = pv.Plotter()
>>> atoms = pl.add_mesh(poly.glyph(geom=pv.Sphere(radius=0.1)), color='red')
>>> bonds = pl.add_mesh(poly.tube(radius=0.1), color='gray')
>>> pl.show(cpos='xy')

Static Scene

Interactive Scene

See also

Caffeine Dataset

See this dataset in the Dataset Gallery for more info.