/// <summary>
/// Разбиение последовательности на части и ее преобразование с сохранением и отображением данных статистики
/// </summary>
private void Convert()
{
RDPAlgorithm.Additions = 0;
RDPAlgorithm.Multiplications = 0;
MyPoint[] points = new MyPoint[SequenceSourse.Length];
for (int i = 0; i < SequenceSourse.Length; i++)
{
points[i].X = i;
points[i].Y = SequenceSourse[i];
}
int blockSize = int.Parse(textBoxBlockSize.Text);
List <MyPoint[]> smoothSequence = new List <MyPoint[]>();
List <Statistic> stat = new List <Statistic>();
progressBar.Maximum = points.Length / blockSize + 1;
int smooothSeqLength = 0;
int j = 0;
for (int i = 0; i < points.Length; i += blockSize)
{
System.Diagnostics.Stopwatch swatch = new System.Diagnostics.Stopwatch(); // создаем объект
Statistic blockStat = new Statistic
{
Additions = RDPAlgorithm.Additions,
Multiplications = RDPAlgorithm.Multiplications
};
RDPAlgorithm.MaxCalls = 0;
RDPAlgorithm.Calls = 0;
swatch.Start(); // старт
smoothSequence.Add(RDPAlgorithm.DouglasPeucker(points, i,
(i + blockSize < points.Length) ? i + blockSize : points.Length - 1,
(textBoxEpsilon.Text == "") ? 1 : (float)Math.Pow(float.Parse(textBoxEpsilon.Text), 2)));
smooothSeqLength += smoothSequence.ElementAt(j++).Length - 1;
//-1 чтобы убрать последний элемент, т.к. он будет началом следующего блока
swatch.Stop(); // стоп
//сохраняем статситку
blockStat.Time = swatch.Elapsed;
blockStat.BlockRezultLength = smoothSequence.ElementAt(i / blockSize).Length;
blockStat.BlockRezultSize = blockStat.BlockRezultLength * 3;
blockStat.BlockSourseSize = blockSize * 2;
blockStat.Additions = RDPAlgorithm.Additions - blockStat.Additions;
blockStat.Multiplications = RDPAlgorithm.Multiplications - blockStat.Multiplications;
blockStat.СompressionRatio =
(float)Math.Round(blockSize / (smoothSequence.ElementAt(i / blockSize).Length *1.5), 3);
blockStat.RecursiveCalls = RDPAlgorithm.MaxCalls;
stat.Add(blockStat);
progressBar.Value++;
}
progressBar.Value = 0;
dataGridView.DataSource = stat;
dataGridView.Columns[0].HeaderText = @"Время преобразования";
dataGridView.Columns[1].HeaderText = @"Размер исходного блока, байт";
dataGridView.Columns[2].HeaderText = @"Длина сжатого блока";
dataGridView.Columns[3].HeaderText = @"Размер сжатого блока, байт";
dataGridView.Columns[4].HeaderText = @"Слож ений";
dataGridView.Columns[5].HeaderText = @"Умнож ений";
dataGridView.Columns[6].HeaderText = @"Коэф. сжатия";
dataGridView.Columns[7].HeaderText = @"Рекурсия";
dataGridView.Columns[0].Width = 100;
dataGridView.RowHeadersWidth = 60;
for (int i = 1; i < 8; i++)
{
dataGridView.Columns[i].Width = 55;
}
for (int i = 0; i < stat.Count; i++)
{
dataGridView.Rows[i].HeaderCell.Value = (i + 1).ToString();
}
PRez = new MyPoint[smooothSeqLength + 1];
j = 0;
foreach (var block in smoothSequence)
{
for (int i = 0; i < block.Length - 1; i++)
{
PRez[j++] = block[i];
}
}
PRez[j] = smoothSequence.Last().Last();
textBoxKmin.Text = stat.OrderBy(u => u.СompressionRatio).First().СompressionRatio.ToString();
textBoxKmax.Text = stat.OrderByDescending(u => u.СompressionRatio).First().СompressionRatio.ToString();
textBoxRecursiveCalls.Text = stat.OrderByDescending(u => u.RecursiveCalls).First().RecursiveCalls.ToString();
}
/// <summary>
/// Разбиение последовательности на части и ее преобразование с сохранением и отображением данных статистики
/// </summary>
private void Convert()
{
RDPAlgorithm.Additions = 0;
RDPAlgorithm.Multiplications = 0;
MyPoint[] points = new MyPoint[SequenceSourse.Length];
for (int i = 0; i < SequenceSourse.Length; i++)
{
points[i].X = i;
points[i].Y = SequenceSourse[i];
}
int blockSize = int.Parse(textBoxBlockSize.Text);
List<MyPoint[]> smoothSequence = new List<MyPoint[]>();
List<Statistic> stat = new List<Statistic>();
progressBar.Maximum = points.Length/blockSize + 1;
int smooothSeqLength = 0;
int j = 0;
for (int i = 0; i < points.Length; i += blockSize)
{
System.Diagnostics.Stopwatch swatch = new System.Diagnostics.Stopwatch(); // создаем объект
Statistic blockStat = new Statistic
{
Additions = RDPAlgorithm.Additions,
Multiplications = RDPAlgorithm.Multiplications
};
RDPAlgorithm.MaxCalls = 0;
RDPAlgorithm.Calls = 0;
swatch.Start(); // старт
smoothSequence.Add(RDPAlgorithm.DouglasPeucker(points, i,
(i + blockSize < points.Length) ? i + blockSize : points.Length - 1,
(textBoxEpsilon.Text == "") ? 1 : (float) Math.Pow(float.Parse(textBoxEpsilon.Text), 2)));
smooothSeqLength += smoothSequence.ElementAt(j++).Length - 1;
//-1 чтобы убрать последний элемент, т.к. он будет началом следующего блока
swatch.Stop(); // стоп
//сохраняем статситку
blockStat.Time = swatch.Elapsed;
blockStat.BlockRezultLength = smoothSequence.ElementAt(i/blockSize).Length;
blockStat.BlockRezultSize = blockStat.BlockRezultLength*3;
blockStat.BlockSourseSize = blockSize*2;
blockStat.Additions = RDPAlgorithm.Additions - blockStat.Additions;
blockStat.Multiplications = RDPAlgorithm.Multiplications - blockStat.Multiplications;
blockStat.СompressionRatio =
(float) Math.Round(blockSize/(smoothSequence.ElementAt(i/blockSize).Length*1.5), 3);
blockStat.RecursiveCalls = RDPAlgorithm.MaxCalls;
stat.Add(blockStat);
progressBar.Value++;
}
progressBar.Value = 0;
dataGridView.DataSource = stat;
dataGridView.Columns[0].HeaderText = @"Время преобразования";
dataGridView.Columns[1].HeaderText = @"Размер исходного блока, байт";
dataGridView.Columns[2].HeaderText = @"Длина сжатого блока";
dataGridView.Columns[3].HeaderText = @"Размер сжатого блока, байт";
dataGridView.Columns[4].HeaderText = @"Слож ений";
dataGridView.Columns[5].HeaderText = @"Умнож ений";
dataGridView.Columns[6].HeaderText = @"Коэф. сжатия";
dataGridView.Columns[7].HeaderText = @"Рекурсия";
dataGridView.Columns[0].Width = 100;
dataGridView.RowHeadersWidth = 60;
for (int i = 1; i < 8; i++)
dataGridView.Columns[i].Width = 55;
for (int i = 0; i < stat.Count; i++)
dataGridView.Rows[i].HeaderCell.Value = (i + 1).ToString();
PRez = new MyPoint[smooothSeqLength + 1];
j = 0;
foreach (var block in smoothSequence)
{
for (int i = 0; i < block.Length - 1; i++)
PRez[j++] = block[i];
}
PRez[j] = smoothSequence.Last().Last();
textBoxKmin.Text = stat.OrderBy(u => u.СompressionRatio).First().СompressionRatio.ToString();
textBoxKmax.Text = stat.OrderByDescending(u => u.СompressionRatio).First().СompressionRatio.ToString();
textBoxRecursiveCalls.Text = stat.OrderByDescending(u => u.RecursiveCalls).First().RecursiveCalls.ToString();
}
