From 0f334cc0403f94b61a3ba381af684dffba41e6e5 Mon Sep 17 00:00:00 2001
From: Marc Britten <marc.britten@gmail.com>
Date: Sun, 8 Feb 2015 10:43:19 -0600
Subject: [PATCH] Added updated header information for surfaces

---
 src/exportstep.cpp | 17 ++++++++++++++++-
 src/solvespace.h   |  1 +
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/exportstep.cpp b/src/exportstep.cpp
index ddc59d6..e113260 100644
--- a/src/exportstep.cpp
+++ b/src/exportstep.cpp
@@ -66,7 +66,21 @@ void StepFileWriter::WriteHeader(void) {
     // Start the ID somewhere beyond the header IDs.
     id = 200;
 }
-
+void StepFileWriter::WriteProductHeader(void) {
+	fprintf(f,
+		"#175 = SHAPE_DEFINITION_REPRESENTATION(#176, #169);\n"
+		"#176 = PRODUCT_DEFINITION_SHAPE('Version', 'Test Part', #177);\n"
+		"#177 = PRODUCT_DEFINITION('Version', 'Test Part', #182, #178);\n"
+		"#178 = DESIGN_CONTEXT('3D Mechanical Parts', #181, 'design');\n"
+		"#179 = PRODUCT('1', 'Product', 'Test Part', (#180));\n"
+		"#180 = MECHANICAL_CONTEXT('3D Mechanical Parts', #181, 'mechanical');\n"
+		"#181 = APPLICATION_CONTEXT(\n"
+		"'configuration controlled 3d designs of mechanical parts and assemblies');\n"
+		"#182 = PRODUCT_DEFINITION_FORMATION_WITH_SPECIFIED_SOURCE('Version',\n"
+		"'Test Part', #179, .MADE.);\n"
+		"\n"
+		);
+}
 int StepFileWriter::ExportCurve(SBezier *sb) {
     int i, ret = id;
 
@@ -302,6 +316,7 @@ void StepFileWriter::ExportSurfacesTo(char *file) {
     }
 
     WriteHeader();
+	WriteProductHeader();
 
     ZERO(&advancedFaces);
 
diff --git a/src/solvespace.h b/src/solvespace.h
index 73ca776..e34ffbe 100644
--- a/src/solvespace.h
+++ b/src/solvespace.h
@@ -489,6 +489,7 @@ class StepFileWriter {
 public:
     void ExportSurfacesTo(char *filename);
     void WriteHeader(void);
+	void WriteProductHeader(void);
     int ExportCurve(SBezier *sb);
     int ExportCurveLoop(SBezierLoop *loop, bool inner);
     void ExportSurface(SSurface *ss, SBezierList *sbl);