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Fix of Model is marked as defective after opening project #1863

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Fixes SPE-613
This commit is contained in:
bubnikv 2019-02-27 10:31:53 +01:00
parent 3a1923e4f1
commit fb91232d10
2 changed files with 15 additions and 2 deletions
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8
src/libslic3r/Format/AMF.cpp
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@ -1,3 +1,4 @@
#include <limits>
#include <string.h>
#include <map>
#include <string>
@ -856,6 +857,11 @@ bool store_amf(const char *path, Model *model, const DynamicPrintConfig *config)
return false;
std::stringstream stream;
// https://en.cppreference.com/w/cpp/types/numeric_limits/max_digits10
// Conversion of a floating-point value to text and back is exact as long as at least max_digits10 were used (9 for float, 17 for double).
// It is guaranteed to produce the same floating-point value, even though the intermediate text representation is not exact.
// The default value of std::stream precision is 6 digits only!
stream << std::defaultfloat << std::setprecision(std::numeric_limits<float>::max_digits10);
stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
stream << "<amf unit=\"millimeter\">\n";
stream << "<metadata type=\"cad\">Slic3r " << SLIC3R_VERSION << "</metadata>\n";
@ -927,7 +933,7 @@ bool store_amf(const char *path, Model *model, const DynamicPrintConfig *config)
for (size_t i = 0; i < stl.stats.shared_vertices; ++i) {
stream << " <vertex>\n";
stream << " <coordinates>\n";
Vec3d v = matrix * stl.v_shared[i].cast<double>();
Vec3f v = (matrix * stl.v_shared[i].cast<double>()).cast<float>();
stream << " <x>" << v(0) << "</x>\n";
stream << " <y>" << v(1) << "</y>\n";
stream << " <z>" << v(2) << "</z>\n";