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Modified version of automatic downscale on load of objects too big

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This commit is contained in:
enricoturri1966 2021-04-14 14:46:49 +02:00
parent 0625788583
commit 526233ca47
2 changed files with 26 additions and 0 deletions
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2
src/libslic3r/Technologies.hpp
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@ -57,6 +57,8 @@
#define ENABLE_GCODE_WINDOW (1 && ENABLE_2_4_0_ALPHA0) #define ENABLE_GCODE_WINDOW (1 && ENABLE_2_4_0_ALPHA0)
// Enable exporting lines M73 for remaining time to next printer stop to gcode // Enable exporting lines M73 for remaining time to next printer stop to gcode
#define ENABLE_EXTENDED_M73_LINES (1 && ENABLE_VALIDATE_CUSTOM_GCODE) #define ENABLE_EXTENDED_M73_LINES (1 && ENABLE_VALIDATE_CUSTOM_GCODE)
// Enable a modified version of automatic downscale on load of objects too big
#define ENABLE_MODIFIED_DOWNSCALE_ON_LOAD_OBJECTS_TOO_BIG (1 && ENABLE_2_4_0_ALPHA0)
#endif // _prusaslicer_technologies_h_ #endif // _prusaslicer_technologies_h_

24
src/slic3r/GUI/Plater.cpp
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@ -2407,6 +2407,29 @@ std::vector<size_t> Plater::priv::load_model_objects(const ModelObjectPtrs &mode
#endif /* AUTOPLACEMENT_ON_LOAD */ #endif /* AUTOPLACEMENT_ON_LOAD */
} }
#if ENABLE_MODIFIED_DOWNSCALE_ON_LOAD_OBJECTS_TOO_BIG
for (size_t i = 0; i < object->instances.size(); ++i) {
ModelInstance* instance = object->instances[i];
const Vec3d size = object->instance_bounding_box(i).size();
const Vec3d ratio = size.cwiseQuotient(bed_size);
const double max_ratio = std::max(ratio(0), ratio(1));
if (max_ratio > 10000) {
// the size of the object is too big -> this could lead to overflow when moving to clipper coordinates,
// so scale down the mesh
double inv = 1. / max_ratio;
object->scale_mesh_after_creation(inv * Vec3d::Ones());
object->origin_translation = Vec3d::Zero();
object->center_around_origin();
scaled_down = true;
break;
}
else if (max_ratio > 5) {
const Vec3d inverse = 1.0 / max_ratio * Vec3d::Ones();
instance->set_scaling_factor(inverse);
scaled_down = true;
}
}
#else
const Vec3d size = object->bounding_box().size(); const Vec3d size = object->bounding_box().size();
const Vec3d ratio = size.cwiseQuotient(bed_size); const Vec3d ratio = size.cwiseQuotient(bed_size);
const double max_ratio = std::max(ratio(0), ratio(1)); const double max_ratio = std::max(ratio(0), ratio(1));
@ -2425,6 +2448,7 @@ std::vector<size_t> Plater::priv::load_model_objects(const ModelObjectPtrs &mode
} }
scaled_down = true; scaled_down = true;
} }
#endif // ENABLE_MODIFIED_DOWNSCALE_ON_LOAD_OBJECTS_TOO_BIG
object->ensure_on_bed(); object->ensure_on_bed();
} }