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// Copyright 2016 The Draco Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "draco/io/point_cloud_io.h"
#include <sstream>
#include "draco/core/draco_test_base.h"
#include "draco/core/draco_test_utils.h"
#include "draco/io/obj_decoder.h"
namespace draco {
class IoPointCloudIoTest : public ::testing::Test {
protected:
void test_compression_method(PointCloudEncodingMethod method,
int expected_num_attributes,
const std::string &file_name) {
const std::unique_ptr<PointCloud> encoded_pc =
ReadPointCloudFromTestFile(file_name);
ASSERT_NE(encoded_pc, nullptr) << "Failed to load test model " << file_name;
ASSERT_GE(encoded_pc->num_attributes(), expected_num_attributes)
<< "Failed to load test model: " << file_name
<< " wrong number of attributes" << std::endl;
// Set quantization.
EncoderOptions options = EncoderOptions::CreateDefaultOptions();
for (int i = 0; i <= GeometryAttribute::NAMED_ATTRIBUTES_COUNT; i++) {
options.SetAttributeInt(GeometryAttribute::Type(i), "quantization_bits",
14);
}
std::stringstream ss;
WritePointCloudIntoStream(encoded_pc.get(), ss, method, options);
ASSERT_TRUE(ss.good());
std::unique_ptr<PointCloud> decoded_pc;
ReadPointCloudFromStream(&decoded_pc, ss);
ASSERT_TRUE(ss.good());
for (int i = 0; i <= GeometryAttribute::NAMED_ATTRIBUTES_COUNT; i++) {
ASSERT_EQ(encoded_pc->NumNamedAttributes(GeometryAttribute::Type(i)),
decoded_pc->NumNamedAttributes(GeometryAttribute::Type(i)));
}
ASSERT_EQ(encoded_pc->num_points(), decoded_pc->num_points());
}
};
TEST_F(IoPointCloudIoTest, EncodeSequentialPointCloudTestNmObj) {
test_compression_method(POINT_CLOUD_SEQUENTIAL_ENCODING, 2, "test_nm.obj");
}
TEST_F(IoPointCloudIoTest, EncodeSequentialPointCloudTestPosObj) {
test_compression_method(POINT_CLOUD_SEQUENTIAL_ENCODING, 1,
"point_cloud_test_pos.obj");
}
TEST_F(IoPointCloudIoTest, EncodeSequentialPointCloudTestPosPly) {
test_compression_method(POINT_CLOUD_SEQUENTIAL_ENCODING, 1,
"point_cloud_test_pos.ply");
}
TEST_F(IoPointCloudIoTest, EncodeSequentialPointCloudTestPosNormObj) {
test_compression_method(POINT_CLOUD_SEQUENTIAL_ENCODING, 2,
"point_cloud_test_pos_norm.obj");
}
TEST_F(IoPointCloudIoTest, EncodeSequentialPointCloudTestPosNormPly) {
test_compression_method(POINT_CLOUD_SEQUENTIAL_ENCODING, 2,
"point_cloud_test_pos_norm.ply");
}
TEST_F(IoPointCloudIoTest, EncodeKdTreePointCloudTestPosObj) {
test_compression_method(POINT_CLOUD_KD_TREE_ENCODING, 1,
"point_cloud_test_pos.obj");
}
TEST_F(IoPointCloudIoTest, EncodeKdTreePointCloudTestPosPly) {
test_compression_method(POINT_CLOUD_KD_TREE_ENCODING, 1,
"point_cloud_test_pos.ply");
}
TEST_F(IoPointCloudIoTest, ObjFileInput) {
// Tests whether loading obj point clouds from files works as expected.
const std::unique_ptr<PointCloud> pc =
ReadPointCloudFromTestFile("test_nm.obj");
ASSERT_NE(pc, nullptr) << "Failed to load the obj point cloud.";
EXPECT_EQ(pc->num_points(), 97) << "Obj point cloud not loaded properly.";
}
// Test if we handle wrong input for all file extensions.
TEST_F(IoPointCloudIoTest, WrongFileObj) {
const std::unique_ptr<PointCloud> pc =
ReadPointCloudFromTestFile("wrong_file_name.obj");
ASSERT_EQ(pc, nullptr);
}
TEST_F(IoPointCloudIoTest, WrongFilePly) {
const std::unique_ptr<PointCloud> pc =
ReadPointCloudFromTestFile("wrong_file_name.ply");
ASSERT_EQ(pc, nullptr);
}
TEST_F(IoPointCloudIoTest, WrongFile) {
const std::unique_ptr<PointCloud> pc =
ReadPointCloudFromTestFile("wrong_file_name");
ASSERT_EQ(pc, nullptr);
}
} // namespace draco
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