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Bugfix: initialize render window only once, fix current material determination #30

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Merged
dragos-ana merged 1 commit into from
Nov 11, 2025
Merged

Bugfix: initialize render window only once, fix current material determination #30

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8 changes: 6 additions & 2 deletions src/fourc_webviewer/fourc_webserver.py
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Original file line number Diff line number Diff line change
Expand Up @@ -267,7 +267,9 @@ def init_pyvista_render_objects(self):

The saved vtu file path is hereby utilized.
"""
if "render_window" not in self._actors:

# render window initialization: to be done only once while starting the webviewer, otherwise no proper binding within the current setup!
if "render_window" not in self._server_vars:
self._server_vars["render_window"] = pv.Plotter()

self._server_vars["render_window"].clear_actors()
Expand Down Expand Up @@ -1174,7 +1176,9 @@ def change_selected_material(self, selected_material, **kwargs):
# material (if we are not in an initial rendering scenario)
if self._server_vars["render_count"]["change_selected_material"] > 0:
# first get the master material id
master_mat_id = self.determine_master_mat_ind_for_current_selection()
master_mat_id = self.determine_master_mat_ind_for_material(
selected_material
)

# update plotter / render objects
self.update_pyvista_render_objects()
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