Test pyvista

app.py

@@ -1,4 +1,27 @@
+
+import pyvista as pv
 import streamlit as st
+from stpyvista import stpyvista
+
+st.title("A cube")
+st.info("""Code adapted from https://docs.pyvista.org/user-guide/jupyter/pythreejs.html#scalars-support""")
+
+## Initialize a plotter object
+plotter = pv.Plotter(window_size=[400,400])
+
+## Create a mesh with a cube 
+mesh = pv.Cube(center=(0,0,0))
+
+## Add some scalar field associated to the mesh
+mesh['myscalar'] = mesh.points[:, 2] * mesh.points[:, 0]
+
+## Add mesh to the plotter
+plotter.add_mesh(mesh, scalars='myscalar', cmap='bwr')
+
+## Final touches
+plotter.view_isometric()
+plotter.background_color = 'white'
 
+## Send to streamlit
+stpyvista(plotter, key="pv_cube")
 
-st.title('Hello. world')

packages.txt

@@ -0,0 +1,3 @@
+procps
+libgl1-mesa-glx
+xvfb

requirements.txt

@@ -1,2 +1,3 @@
 fastapi
-streamlit
+streamlit
+stpyvista