From 8a7e1ca1416e61014c31315096343c83e1c8f91e Mon Sep 17 00:00:00 2001
From: Sebastien Jourdain <sebastien.jourdain@kitware.com>
Date: Wed, 24 Aug 2022 15:54:13 -0600
Subject: [PATCH] docs(examples): add validation examples

---
 .../core/23_pv_interactive_render_exit.py     | 59 ++++++++++++++
 .../core/23_vtk_interactive_render_exit.py    | 81 +++++++++++++++++++
 2 files changed, 140 insertions(+)
 create mode 100644 examples/validation/core/23_pv_interactive_render_exit.py
 create mode 100644 examples/validation/core/23_vtk_interactive_render_exit.py

diff --git a/examples/validation/core/23_pv_interactive_render_exit.py b/examples/validation/core/23_pv_interactive_render_exit.py
new file mode 100644
index 00000000..e27601de
--- /dev/null
+++ b/examples/validation/core/23_pv_interactive_render_exit.py
@@ -0,0 +1,59 @@
+# To run with Paraview
+# pvpython ./examples/validation/core/23_pv_interactive_render_exit.py --venv .venv
+import paraview.web.venv
+
+from trame.app import get_server
+from trame.widgets import html, paraview
+from trame.ui.html import DivLayout
+
+# -----------------------------------------------------------------------------
+# VTK
+# -----------------------------------------------------------------------------
+from paraview import simple
+
+DEFAULT_RESOLUTION = 8
+
+cone = simple.Cone()
+sphere = simple.Sphere()
+
+simple.Show(cone)
+simple.Show(sphere)
+
+view = simple.Render()
+
+# -----------------------------------------------------------------------------
+# Web App setup
+# -----------------------------------------------------------------------------
+
+server = get_server()
+state, ctrl = server.state, server.controller
+
+with DivLayout(server) as layout:
+    container = layout.root
+    container.style = "width: 100vw; height: 100vh;"
+    html_view = paraview.VtkRemoteView(view, interactive_ratio=1, interactive_quality=0)
+    ctrl.view_update = html_view.update
+    html.Input(
+        type="range",
+        min=8,
+        max=1000,
+        step=1,
+        v_model=("resolution", 8),
+        style="position: absolute; top: 20px; left: 20px; z-index: 1; width: 25%; min-width: 300px;",
+    )
+
+
+@state.change("resolution")
+def update_resolution(resolution, **kwargs):
+    cone.Resolution = int(resolution)
+    sphere.PhiResolution = int(resolution)
+    sphere.ThetaResolution = int(resolution)
+    ctrl.view_update()
+
+
+# -----------------------------------------------------------------------------
+# start server
+# -----------------------------------------------------------------------------
+
+if __name__ == "__main__":
+    server.start()
diff --git a/examples/validation/core/23_vtk_interactive_render_exit.py b/examples/validation/core/23_vtk_interactive_render_exit.py
new file mode 100644
index 00000000..605c59c9
--- /dev/null
+++ b/examples/validation/core/23_vtk_interactive_render_exit.py
@@ -0,0 +1,81 @@
+from trame.app import get_server
+from trame.widgets import html, vtk
+from trame.ui.html import DivLayout
+
+# -----------------------------------------------------------------------------
+# VTK
+# -----------------------------------------------------------------------------
+
+from vtkmodules.vtkFiltersSources import vtkSphereSource, vtkConeSource
+from vtkmodules.vtkRenderingCore import (
+    vtkRenderer,
+    vtkRenderWindow,
+    vtkRenderWindowInteractor,
+    vtkPolyDataMapper,
+    vtkActor,
+)
+import vtkmodules.vtkRenderingOpenGL2  # noqa
+from vtkmodules.vtkInteractionStyle import vtkInteractorStyleSwitch  # noqa
+
+DEFAULT_RESOLUTION = 6
+
+renderer = vtkRenderer()
+renderWindow = vtkRenderWindow()
+renderWindow.AddRenderer(renderer)
+
+renderWindowInteractor = vtkRenderWindowInteractor()
+renderWindowInteractor.SetRenderWindow(renderWindow)
+renderWindowInteractor.GetInteractorStyle().SetCurrentStyleToTrackballCamera()
+
+
+def show(source):
+    mapper = vtkPolyDataMapper()
+    actor = vtkActor()
+    mapper.SetInputConnection(source.GetOutputPort())
+    actor.SetMapper(mapper)
+    renderer.AddActor(actor)
+    return source
+
+
+cone = show(vtkConeSource())
+sphere = show(vtkSphereSource())
+
+renderer.ResetCamera()
+renderWindow.Render()
+
+# -----------------------------------------------------------------------------
+# Web App setup
+# -----------------------------------------------------------------------------
+
+server = get_server()
+state, ctrl = server.state, server.controller
+
+with DivLayout(server) as layout:
+    container = layout.root
+    container.style = "width: 100vw; height: 100vh;"
+    view = vtk.VtkRemoteView(renderWindow, interactive_ratio=1, interactive_quality=0)
+    ctrl.view_update = view.update
+    html.Input(
+        type="range",
+        min=8,
+        max=1000,
+        step=1,
+        v_model=("resolution", 8),
+        style="position: absolute; top: 20px; left: 20px; z-index: 1; width: 25%; min-width: 300px;",
+    )
+
+
+@state.change("resolution")
+def update_resolution(resolution, **kwargs):
+    cone.SetResolution(int(resolution))
+    sphere.SetPhiResolution(int(resolution))
+    sphere.SetThetaResolution(int(resolution))
+    ctrl.view_update()
+
+
+# -----------------------------------------------------------------------------
+# start server
+# -----------------------------------------------------------------------------
+
+if __name__ == "__main__":
+    server.start()