1 files changed, 4 insertions, 11 deletions
diff --git a/graphics/asymptote/v3dfile.cc b/graphics/asymptote/v3dfile.cc
index f9a66e84e6..73ac829aeb 100644
--- a/graphics/asymptote/v3dfile.cc
+++ b/graphics/asymptote/v3dfile.cc
@@ -316,9 +316,12 @@ void gzv3dfile::close()
 {
   if(!destroyed) {
     finalize();
+
+    std::vector<uint8_t> const resultingData = memxdrfile.createCopyOfCurrentData();
+
     memxdrfile.close();
     gzFile file=gzopen(name.c_str(), "wb9");
-    gzwrite(file,data(),length());
+    gzwrite(file, resultingData.data(), resultingData.size());
     gzclose(file);
     if(settings::verbose > 0)
       cout << "Wrote " << name << endl;
@@ -326,16 +329,6 @@ void gzv3dfile::close()
   }
 }
 
-char const* gzv3dfile::data() const
-{
-  return memxdrfile.stream();
-}
-
-size_t const& gzv3dfile::length() const
-{
-  return memxdrfile.getLength();
-}
-
 uint32_t LightHeader::getWordSize(bool singleprecision) const
 {
   return (singleprecision ? 1 : 2)*3+3;