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-rw-r--r--src/patch/patch_system.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/patch/patch_system.cc b/src/patch/patch_system.cc
index 78c958f..8396911 100644
--- a/src/patch/patch_system.cc
+++ b/src/patch/patch_system.cc
@@ -1997,6 +1997,8 @@ if (output_fp == NULL)
output_file_name); /*NOTREACHED*/
fprintf(output_fp, "# N_patches = %d\n", N_patches());
+fprintf(output_fp, "# origin = %.15g %.15g %.15g\n",
+ double(origin_x()), double(origin_y()), double(origin_z()));
fprintf(output_fp, "\n");
for (int pn = 0 ; pn < N_patches() ; ++pn)