From 84eefa280c2f1ebbf6b867b89a05c0b0e9d2de26 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Mon, 14 Jan 2019 19:59:18 +0100
Subject: [PATCH] Added debugging code for the Douglas-Peucker contour
simplification code.
---
src/libslic3r/MultiPoint.cpp | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/src/libslic3r/MultiPoint.cpp b/src/libslic3r/MultiPoint.cpp
index 7b483cba0..ee3b99747 100644
--- a/src/libslic3r/MultiPoint.cpp
+++ b/src/libslic3r/MultiPoint.cpp
@@ -206,6 +206,26 @@ std::vector<Point> MultiPoint::_douglas_peucker(const std::vector<Point>& pts, c
floater = &pts[floater_idx];
}
}
+ assert(result_pts.front() == pts.front());
+ assert(result_pts.back() == pts.back());
+
+#if 0
+ {
+ static int iRun = 0;
+ BoundingBox bbox(pts);
+ BoundingBox bbox2(result_pts);
+ bbox.merge(bbox2);
+ SVG svg(debug_out_path("douglas_peucker_%d.svg", iRun ++).c_str(), bbox);
+ if (pts.front() == pts.back())
+ svg.draw(Polygon(pts), "black");
+ else
+ svg.draw(Polyline(pts), "black");
+ if (result_pts.front() == result_pts.back())
+ svg.draw(Polygon(result_pts), "green", scale_(0.1));
+ else
+ svg.draw(Polyline(result_pts), "green", scale_(0.1));
+ }
+#endif
}
return result_pts;
}