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ENABLE_ENHANCED_RELOAD_FROM_DISK -> Fixed export/import to/from .3mf to keep compatibility with 3rd part software.

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This commit is contained in:
Enrico Turri 2019-09-23 12:33:21 +02:00
parent c0576a8770
commit 5eb4692442
1 changed files with 36 additions and 20 deletions
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56
src/libslic3r/Format/3mf.cpp
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@ -1674,6 +1674,23 @@ namespace Slic3r {
return false;
}
#if ENABLE_ENHANCED_RELOAD_FROM_DISK
Slic3r::Geometry::Transformation transform;
if (m_version > 1)
{
// extract the volume transformation from the volume's metadata, if present
for (const Metadata& metadata : volume_data.metadata)
{
if (metadata.key == MATRIX_KEY)
{
transform.set_from_string(metadata.value);
break;
}
}
}
Transform3d inv_matrix = transform.get_matrix().inverse();
#endif // ENABLE_ENHANCED_RELOAD_FROM_DISK
// splits volume out of imported geometry
TriangleMesh triangle_mesh;
stl_file &stl = triangle_mesh.stl;
@ -1691,7 +1708,16 @@ namespace Slic3r {
stl_facet& facet = stl.facet_start[i];
for (unsigned int v = 0; v < 3; ++v)
{
#if ENABLE_ENHANCED_RELOAD_FROM_DISK
unsigned int tri_id = geometry.triangles[src_start_id + ii + v] * 3;
Vec3f vertex(geometry.vertices[tri_id + 0], geometry.vertices[tri_id + 1], geometry.vertices[tri_id + 2]);
if (m_version > 1)
// revert the vertices to the original mesh reference system
vertex = (inv_matrix * vertex.cast<double>()).cast<float>();
::memcpy(facet.vertex[v].data(), (const void*)vertex.data(), 3 * sizeof(float));
#else
::memcpy(facet.vertex[v].data(), (const void*)&geometry.vertices[geometry.triangles[src_start_id + ii + v] * 3], 3 * sizeof(float));
#endif // ENABLE_ENHANCED_RELOAD_FROM_DISK
}
}
@ -1699,12 +1725,20 @@ namespace Slic3r {
triangle_mesh.repair();
ModelVolume* volume = object.add_volume(std::move(triangle_mesh));
#if !ENABLE_ENHANCED_RELOAD_FROM_DISK
#if ENABLE_ENHANCED_RELOAD_FROM_DISK
// apply the volume matrix taken from the metadata, if present
if (m_version > 1)
volume->set_transformation(transform);
#else
volume->center_geometry_after_creation();
#endif // !ENABLE_ENHANCED_RELOAD_FROM_DISK
#endif // ENABLE_ENHANCED_RELOAD_FROM_DISK
volume->calculate_convex_hull();
#if ENABLE_ENHANCED_RELOAD_FROM_DISK
// apply the remaining volume's metadata
#else
// apply volume's name and config data
#endif // ENABLE_ENHANCED_RELOAD_FROM_DISK
for (const Metadata& metadata : volume_data.metadata)
{
if (metadata.key == NAME_KEY)
@ -1714,12 +1748,6 @@ namespace Slic3r {
else if (metadata.key == VOLUME_TYPE_KEY)
volume->set_type(ModelVolume::type_from_string(metadata.value));
#if ENABLE_ENHANCED_RELOAD_FROM_DISK
else if (metadata.key == MATRIX_KEY)
{
Slic3r::Geometry::Transformation transform;
transform.set_from_string(metadata.value);
volume->set_transformation(transform);
}
else if (metadata.key == SOURCE_FILE_KEY)
volume->source.input_file = metadata.value;
else if (metadata.key == SOURCE_OBJECT_ID_KEY)
@ -2118,19 +2146,8 @@ namespace Slic3r {
vertices_count += (int)its.vertices.size();
#if !ENABLE_ENHANCED_RELOAD_FROM_DISK
const Transform3d& matrix = volume->get_matrix();
#endif // !ENABLE_ENHANCED_RELOAD_FROM_DISK
#if ENABLE_ENHANCED_RELOAD_FROM_DISK
for (const Vec3f& v : its.vertices)
{
stream << " <" << VERTEX_TAG << " ";
stream << "x=\"" << v(0) << "\" ";
stream << "y=\"" << v(1) << "\" ";
stream << "z=\"" << v(2) << "\" />\n";
}
#else
for (size_t i = 0; i < its.vertices.size(); ++i)
{
stream << " <" << VERTEX_TAG << " ";
@ -2139,7 +2156,6 @@ namespace Slic3r {
stream << "y=\"" << v(1) << "\" ";
stream << "z=\"" << v(2) << "\" />\n";
}
#endif // ENABLE_ENHANCED_RELOAD_FROM_DISK
}
stream << " </" << VERTICES_TAG << ">\n";