From dbc9bf5be799a7d81757588eabbe4ac3557b449c Mon Sep 17 00:00:00 2001
From: Enrico Turri <enricoturri@seznam.cz>
Date: Mon, 19 Nov 2018 13:04:19 +0100
Subject: [PATCH] Lift-up of SLA volumes only when at least one volume is
generated
---
src/slic3r/GUI/GLCanvas3D.cpp | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 8e0065a3a..da1c9fca5 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -3901,16 +3901,24 @@ void GLCanvas3D::reload_scene(bool force)
m_volumes.volumes[it->volume_idx]->composite_id = GLVolume::CompositeID(object_idx, -1, instance_idx);
}
}
+
+ // stores the current volumes count
+ size_t volumes_count = m_volumes.volumes.size();
+
for (size_t istep = 0; istep < sla_steps.size(); ++istep)
if (!instances[istep].empty())
m_volumes.load_object_auxiliary(print_object, object_idx, instances[istep], sla_steps[istep], state.step[istep].timestamp, m_use_VBOs && m_initialized);
- // Shift-up all volumes of the object so that it has the right elevation with respect to the print bed
- Vec3d shift_z(0.0, 0.0, print_object->get_elevation());
- for (GLVolume* volume : m_volumes.volumes)
+ if (volumes_count != m_volumes.volumes.size())
{
- if (volume->object_idx() == object_idx)
- volume->set_instance_offset(volume->get_instance_offset() + shift_z);
+ // If any volume has been added
+ // Shift-up all volumes of the object so that it has the right elevation with respect to the print bed
+ Vec3d shift_z(0.0, 0.0, print_object->get_elevation());
+ for (GLVolume* volume : m_volumes.volumes)
+ {
+ if (volume->object_idx() == object_idx)
+ volume->set_instance_offset(volume->get_instance_offset() + shift_z);
+ }
}
}
}