From f707f9432174204f0e22cd19fbfb72d1fa097e63 Mon Sep 17 00:00:00 2001
From: Philip Trettner <Philip.Trettner@rwth-aachen.de>
Date: Fri, 22 Nov 2019 16:09:09 +0100
Subject: [PATCH] working on decimation test
---
extern/polymesh | 2 +-
tests/algorithms/decimation.cc | 36 +++++++++++++++++++++++++++++++++
tests/algorithms/topo-fuzzer.cc | 2 --
3 files changed, 37 insertions(+), 3 deletions(-)
create mode 100644 tests/algorithms/decimation.cc
diff --git a/extern/polymesh b/extern/polymesh
index 1d149fb..9c176da 160000
--- a/extern/polymesh
+++ b/extern/polymesh
@@ -1 +1 @@
-Subproject commit 1d149fb8aaa0f06ca1256faffb9dea5268eaf1d5
+Subproject commit 9c176da4bd277934e58379506ce8cb01777a71ec
diff --git a/tests/algorithms/decimation.cc b/tests/algorithms/decimation.cc
new file mode 100644
index 0000000..11fc0d9
--- /dev/null
+++ b/tests/algorithms/decimation.cc
@@ -0,0 +1,36 @@
+#include <doctest.hh>
+
+#include <polymesh/Mesh.hh>
+#include <polymesh/algorithms/decimate.hh>
+#include <polymesh/algorithms/triangulate.hh>
+#include <polymesh/objects/cube.hh>
+
+#include <typed-geometry/tg.hh>
+
+#include <glow-extras/viewer/view.hh>
+
+TEST_CASE("decimate")
+{
+ pm::Mesh m;
+ auto pos = m.vertices().make_attribute<tg::pos3>();
+ pm::objects::add_cube(m, pos);
+ pm::triangulate_naive(m);
+ m.compactify();
+
+ auto fnormals = pm::triangle_normals(pos);
+ auto errors = m.vertices().map([&](pm::vertex_handle v) {
+ auto p = pos[v];
+ return v.faces().avg([&](pm::face_handle f) {
+ auto n = fnormals[f];
+ return tg::probabilistic_plane_quadric(p, n, 0.05f, 0.05f);
+ });
+ });
+
+ pm::decimate_config<tg::pos3, tg::quadric3> cfg;
+ cfg.max_error = 0.2f;
+ cfg.max_normal_dev = 0.05f;
+ pm::decimate(m, pos, errors, cfg);
+
+ auto v = view(pos);
+ view(lines(pos).line_width_world(0.01f));
+}
diff --git a/tests/algorithms/topo-fuzzer.cc b/tests/algorithms/topo-fuzzer.cc
index ec5dd17..2580e75 100644
--- a/tests/algorithms/topo-fuzzer.cc
+++ b/tests/algorithms/topo-fuzzer.cc
@@ -15,8 +15,6 @@
TEST_CASE("topo fuzzer")
{
- // return; // fails currently
-
for (auto _ = 0; _ < 20; ++_)
{
tg::rng rng;
--
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