/// <summary>
///
/// </summary>
/// <param name="fileName">書きこむXML or YAMLファイル</param>
private static void SampleFileStorageWriteSeq(string fileName)
{
// cvStartWriteStruct, cvEndWriteStruct
const int size = 20;
CvRNG rng = new CvRNG((ulong)DateTime.Now.Ticks);
CvPoint[] pt = new CvPoint[size];
for (int i = 0; i < pt.Length; i++)
{
pt[i].X = (int)rng.RandInt(100);
pt[i].Y = (int)rng.RandInt(100);
}
using (CvFileStorage fs = new CvFileStorage(fileName, null, FileStorageMode.Write))
{
fs.StartWriteStruct("points", NodeType.Seq);
for (int i = 0; i < pt.Length; i++)
{
fs.StartWriteStruct(null, NodeType.Map | NodeType.Flow);
fs.WriteInt("x", pt[i].X);
fs.WriteInt("y", pt[i].Y);
fs.EndWriteStruct();
}
fs.EndWriteStruct();
}
}
/// <summary>
/// マップのシーケンスのファイルストレージへの書き込み
/// </summary>
/// <param name="fileName">書きこむXML or YAMLファイル</param>
private static void SampleFileStorageWriteSeq(string fileName)
{
// cvStartWriteStruct, cvEndWriteStruct
// 二つのエントリを持つマップのシーケンスをファイルに保存する
const int size = 20;
CvRNG rng = new CvRNG((ulong)DateTime.Now.Ticks);
CvPoint[] pt = new CvPoint[size];
// (1)点列の作成
for (int i = 0; i < pt.Length; i++)
{
pt[i].X = (int)rng.RandInt(100);
pt[i].Y = (int)rng.RandInt(100);
}
// (2)マップのシーケンスとして点列を保存
using (CvFileStorage fs = new CvFileStorage(fileName, null, FileStorageMode.Write))
{
fs.StartWriteStruct("points", NodeType.Seq);
for (int i = 0; i < pt.Length; i++)
{
fs.StartWriteStruct(null, NodeType.Map | NodeType.Flow);
fs.WriteInt("x", pt[i].X);
fs.WriteInt("y", pt[i].Y);
fs.EndWriteStruct();
}
fs.EndWriteStruct();
}
// (3)書きこんだyamlファイルを開く
//using (Process p = Process.Start(fileName)) {
// p.WaitForExit();
//}
}
public TreeNodeIterator()
{
using (CvMemStorage storage = new CvMemStorage(0))
using (IplImage srcImg = new IplImage(Const.ImageLenna, LoadMode.Color))
using (IplImage srcImgGray = new IplImage(srcImg.Size, BitDepth.U8, 1))
using (IplImage tmpImg = new IplImage(srcImg.Size, BitDepth.U8, 1))
{
Cv.CvtColor(srcImg, srcImgGray, ColorConversion.BgrToGray);
// (1)画像の二値化と輪郭の検出
Cv.Threshold(srcImgGray, tmpImg, 120, 255, ThresholdType.Binary);
CvSeq<CvPoint> contours;
Cv.FindContours(tmpImg, storage, out contours, CvContour.SizeOf, ContourRetrieval.Tree, ContourChain.ApproxSimple);
/* 輪郭シーケンスから座標を取得 */
using (CvFileStorage fs = new CvFileStorage("contours.yaml", null, FileStorageMode.Write))
{
// (2)ツリーノードイテレータの初期化
CvTreeNodeIterator<CvSeq<CvPoint>> it = new CvTreeNodeIterator<CvSeq<CvPoint>>(contours, 1);
// (3)各ノード（輪郭）を走査
//CvSeq<CvPoint> contour;
//while ((contour = it.NextTreeNode()) != null)
foreach(CvSeq<CvPoint> contour in it)
{
fs.StartWriteStruct("contour", NodeType.Seq);
// (4)輪郭を構成する頂点座標を取得
CvPoint tmp = contour[-1].Value;
for (int i = 0; i < contour.Total; i++)
{
CvPoint point = contour[i].Value;
srcImg.Line(tmp, point, CvColor.Blue, 2);
fs.StartWriteStruct(null, NodeType.Map | NodeType.Flow);
fs.WriteInt("x", point.X);
fs.WriteInt("y", point.Y);
fs.EndWriteStruct();
tmp = point;
}
fs.EndWriteStruct();
}
}
Console.WriteLine(File.ReadAllText("contours.yaml"));
using (new CvWindow("Contours", srcImg))
{
Cv.WaitKey(0);
}
}
}
public TreeNodeIterator()
{
using (CvMemStorage storage = new CvMemStorage(0))
using (IplImage srcImg = new IplImage(Const.ImageLenna, LoadMode.Color))
using (IplImage srcImgGray = new IplImage(srcImg.Size, BitDepth.U8, 1))
using (IplImage tmpImg = new IplImage(srcImg.Size, BitDepth.U8, 1))
{
Cv.CvtColor(srcImg, srcImgGray, ColorConversion.BgrToGray);
// (1)画像の二値化と輪郭の検出
Cv.Threshold(srcImgGray, tmpImg, 120, 255, ThresholdType.Binary);
CvSeq <CvPoint> contours;
Cv.FindContours(tmpImg, storage, out contours, CvContour.SizeOf, ContourRetrieval.Tree, ContourChain.ApproxSimple);
/* 輪郭シーケンスから座標を取得 */
using (CvFileStorage fs = new CvFileStorage("contours.yaml", null, FileStorageMode.Write))
{
// (2)ツリーノードイテレータの初期化
CvTreeNodeIterator <CvSeq <CvPoint> > it = new CvTreeNodeIterator <CvSeq <CvPoint> >(contours, 1);
// (3)各ノード（輪郭）を走査
//CvSeq<CvPoint> contour;
//while ((contour = it.NextTreeNode()) != null)
foreach (CvSeq <CvPoint> contour in it)
{
fs.StartWriteStruct("contour", NodeType.Seq);
// (4)輪郭を構成する頂点座標を取得
CvPoint tmp = contour[-1].Value;
for (int i = 0; i < contour.Total; i++)
{
CvPoint point = contour[i].Value;
srcImg.Line(tmp, point, CvColor.Blue, 2);
fs.StartWriteStruct(null, NodeType.Map | NodeType.Flow);
fs.WriteInt("x", point.X);
fs.WriteInt("y", point.Y);
fs.EndWriteStruct();
tmp = point;
}
fs.EndWriteStruct();
}
}
Console.WriteLine(File.ReadAllText("contours.yaml"));
using (new CvWindow("Contours", srcImg))
{
Cv.WaitKey(0);
}
}
}
/// <summary>
/// マップのシーケンスのファイルストレージへの書き込み
/// </summary>
/// <param name="fileName">書きこむXML or YAMLファイル</param>
private static void SampleFileStorageWriteSeq(string fileName)
{
// cvStartWriteStruct, cvEndWriteStruct
// 二つのエントリを持つマップのシーケンスをファイルに保存する
const int size = 20;
CvRNG rng = new CvRNG((ulong)DateTime.Now.Ticks);
CvPoint[] pt = new CvPoint[size];
// (1)点列の作成
for (int i = 0; i < pt.Length; i++)
{
pt[i].X = (int)rng.RandInt(100);
pt[i].Y = (int)rng.RandInt(100);
}
// (2)マップのシーケンスとして点列を保存
using (CvFileStorage fs = new CvFileStorage(fileName, null, FileStorageMode.Write))
{
fs.StartWriteStruct("points", NodeType.Seq);
for (int i = 0; i < pt.Length; i++)
{
fs.StartWriteStruct(null, NodeType.Map | NodeType.Flow);
fs.WriteInt("x", pt[i].X);
fs.WriteInt("y", pt[i].Y);
fs.EndWriteStruct();
}
fs.EndWriteStruct();
}
// (3)書きこんだyamlファイルを開く
//using (Process p = Process.Start(fileName)) {
// p.WaitForExit();
//}
}
/// <summary>
///
/// </summary>
/// <param name="fileName">書きこむXML or YAMLファイル</param>
private static void SampleFileStorageWriteSeq(string fileName)
{
// cvStartWriteStruct, cvEndWriteStruct
const int size = 20;
CvRNG rng = new CvRNG((ulong)DateTime.Now.Ticks);
CvPoint[] pt = new CvPoint[size];
for (int i = 0; i < pt.Length; i++)
{
pt[i].X = (int)rng.RandInt(100);
pt[i].Y = (int)rng.RandInt(100);
}
using (CvFileStorage fs = new CvFileStorage(fileName, null, FileStorageMode.Write))
{
fs.StartWriteStruct("points", NodeType.Seq);
for (int i = 0; i < pt.Length; i++)
{
fs.StartWriteStruct(null, NodeType.Map | NodeType.Flow);
fs.WriteInt("x", pt[i].X);
fs.WriteInt("y", pt[i].Y);
fs.EndWriteStruct();
}
fs.EndWriteStruct();
}
}
