private void btnGenPNG_Click(object sender, EventArgs e)
{
clearMsg();
TilesBounds tilesBounds = GetTilesBound();
StringBuilder cmdBuilder = new StringBuilder();
string outPath = textTiffPath.Text;
try
{
string tmpPath = outPath + "_tmp";
Directory.CreateDirectory(tmpPath);
setMsg("开始合并png图片！");
ivProcessCount = tilesBounds.maxCol - tilesBounds.minCol + 1;
for (int col = tilesBounds.minCol; col <= tilesBounds.maxCol; col++)
{
string picPath = Path.Combine(textTilePath.Text, numZoomLevel.Text, col.ToString(), "*" + fileExt);
string outPngfile = Path.Combine(tmpPath, col + ".png");
string cmd = string.Format("/panorama=(2,{0}) /convert={1}", picPath, outPngfile);
Process ivProcess = new Process();
ivProcess.EnableRaisingEvents = true;
ivProcess.StartInfo.FileName = irfanViewPath;
ivProcess.StartInfo.Arguments = cmd;
ivProcess.Exited += ivProcess_Exited;
ivProcess.Start();
}
}
catch (Exception ex)
{
setMsg(ex.Message);
}
}
private void WriteTfwFile(TilesBounds tilesBounds, string outTfwFileName)
{
StringBuilder sb = new StringBuilder();
decimal resolution = EarthCircumference / 256 / (decimal)Math.Pow(2, tilesBounds.zoomLevel);
//EPSG:3857
sb.AppendLine(resolution.ToString()); //X方向上的象素分辨素
sb.AppendLine("0"); //X方向的旋转系数
sb.AppendLine("0"); //Y方向的旋转系数
sb.AppendLine("-" + resolution.ToString()); //Y方向上的象素分辨率
sb.AppendLine(((tilesBounds.minCol * 256m + 0.5m) * resolution - EarthCircumference / 2).ToString()); //左上角象素中心X坐标
sb.AppendLine((EarthCircumference / 2 - (tilesBounds.minRow * 256m + 0.5m) * resolution).ToString()); //左上角象素中心Y坐标
/* EPSG:4326
* int imageWidth = 256 * (tilesBounds.maxCol - tilesBounds.minCol + 1);
* int imageHeight = 256 * (tilesBounds.maxRow - tilesBounds.minRow + 1);
*
* PointD p1 = TileToWorldPos(tilesBounds.minCol,tilesBounds.minRow,tilesBounds.zoomLevel); //左上
* PointD p2 = TileToWorldPos(tilesBounds.maxCol + 1, tilesBounds.maxRow + 1, tilesBounds.zoomLevel);//右下
*
* sb.AppendLine(((p2.X - p1.X) / imageWidth).ToString());//X方向上的象素分辨素
* sb.AppendLine("0");//X方向的旋转系数
* sb.AppendLine("0");//Y方向的旋转系数
* sb.AppendLine(((p2.Y - p1.Y) / imageHeight).ToString());//Y方向上的象素分辨率
* sb.AppendLine((p1.X).ToString());//左上角象素中心X坐标
* sb.AppendLine((p1.Y).ToString());//左上角象素中心Y坐标
*/
File.WriteAllText(outTfwFileName, sb.ToString());
}
private void btnDownloadMissFile_Click(object sender, EventArgs e)
{
DisableButton(false);
clearMsg();
TilesBounds tilesBounds = GetTilesBound();
backgroundWorker1.RunWorkerAsync(new WorkerParams {
Type = 0, DownloadUseProxy = false, TilesBound = tilesBounds, MapType = cmbMapType.SelectedIndex, GoogleRasterV = txtGoogleRasterV.Text
});
}
private void btnGenerateTiFF_Click(object sender, EventArgs e)
{
clearMsg();
DisableButton(false);
//调用
TilesBounds tilesBounds = GetTilesBound();
backgroundWorker1.RunWorkerAsync(new WorkerParams {
Type = 2, TilesBound = tilesBounds, OutPutFilePath = textTiffPath.Text, TilePath = textTilePath.Text
});
}
private TilesBounds GetTilesBound()
{
TilesBounds tilesBounds = new TilesBounds();
tilesBounds.minCol = int.Parse(textMinCol.Text);
tilesBounds.maxCol = int.Parse(textMaxCol.Text);
tilesBounds.minRow = int.Parse(textMinRow.Text);
tilesBounds.maxRow = int.Parse(textMaxRow.Text);
tilesBounds.zoomLevel = int.Parse(numZoomLevel.Text);
return(tilesBounds);
}
//合并单个Tiff文件
private void CombineSingleTiff(BackgroundWorker worker, TilesBounds tilesBounds, string tilePath, string outPutFilePath)
{
string outPutFileName = Path.Combine(outPutFilePath, string.Format("x{2}-{3}_y{0}-{1}.tif", tilesBounds.minRow, tilesBounds.maxRow, tilesBounds.minCol, tilesBounds.maxCol));
worker.ReportProgress(tilesBounds.minCol, string.Format("开始生成TIFF文件：{0}", outPutFileName));
if (File.Exists(outPutFileName))
{
//存在则跳过
return;
}
int imageWidth = 256 * (tilesBounds.maxCol - tilesBounds.minCol + 1);
int imageHeight = 256 * (tilesBounds.maxRow - tilesBounds.minRow + 1);
TiffFileWriter writer = new TiffFileWriter();
writer.CreateFile(outPutFileName, (uint)imageWidth, (uint)imageHeight);
writer.WriteTiffHeader();
for (int row = tilesBounds.minRow; row <= tilesBounds.maxRow; row++)
{
List <Bitmap> bitmapLs = new List <Bitmap>(tilesBounds.maxCol - tilesBounds.minCol + 1);
try
{
for (int col = tilesBounds.minCol; col <= tilesBounds.maxCol; col++)
{
string sourceFileName = Path.Combine(tilePath, tilesBounds.zoomLevel.ToString(), col.ToString(), row.ToString() + fileExt);
if (File.Exists(sourceFileName))
{
bitmapLs.Add(new Bitmap(sourceFileName));
}
else
{
bitmapLs.Add(new Bitmap(256, 256));
}
}
writer.WriteImageData(bitmapLs);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
writer.CloseFile();
string outTfwFileName = Path.Combine(outPutFilePath, Path.GetFileNameWithoutExtension(outPutFileName) + ".tfw");
WriteTfwFile(tilesBounds, outTfwFileName);
}
/// <summary>
/// 拼接瓦片
/// </summary>
/// <param name="tilesBounds"></param>
/// <param name="tilePath"></param>
/// <param name="outPutFileName"></param>
private void CombineTilesByTiffWriter(BackgroundWorker worker, DoWorkEventArgs e)
{
try
{
WorkerParams param = e.Argument as WorkerParams;
TilesBounds tb = param.TilesBound;
string tilePath = param.TilePath;
string outPutFilePath = param.OutPutFilePath;
int minBlockColIdx = tb.minCol / param.TiffTileCount;
int maxBlockColIdx = tb.maxCol / param.TiffTileCount;
int minBlockRowIdx = tb.minRow / param.TiffTileCount;
int maxBlockRowIdx = tb.maxRow / param.TiffTileCount;
int totalFileCount = (maxBlockColIdx - minBlockColIdx + 1) * (maxBlockRowIdx - minBlockRowIdx + 1);
worker.ReportProgress(0, string.Format("生成的TIFF共有{0}个，总大小估计为：{1} G", totalFileCount, totalFileCount * 0.75));
for (int i = minBlockColIdx; i <= maxBlockColIdx; i++)
{
for (int j = minBlockRowIdx; j <= maxBlockRowIdx; j++)
{
if (worker.CancellationPending)
{
e.Cancel = true;
return;
}
TilesBounds tilesBounds = new TilesBounds();
tilesBounds.zoomLevel = tb.zoomLevel;
//修正瓦片边界，防止周围黑边
tilesBounds.minCol = Math.Max(i * param.TiffTileCount, tb.minCol);
tilesBounds.maxCol = Math.Min(i * param.TiffTileCount + param.TiffTileCount - 1, tb.maxCol);
tilesBounds.minRow = Math.Max(j * param.TiffTileCount, tb.minRow);
tilesBounds.maxRow = Math.Min(j * param.TiffTileCount + param.TiffTileCount - 1, tb.maxRow);
CombineSingleTiff(worker, tilesBounds, tilePath, outPutFilePath);
}
}
}
catch (Exception ex)
{
worker.ReportProgress(0, string.Format("合并图片生成TIFF时出现异常！msg:{0}", ex.Message));
}
}
private void btnSearchMiss_Click(object sender, EventArgs e)
{
clearMsg();
TilesBounds tilesBounds = GetTilesBound();
try
{
int i = 0;
int allMissTile = 0;
for (int col = tilesBounds.minCol; col <= tilesBounds.maxCol; col++)
{
int missTileCount = 0;
for (int row = tilesBounds.minRow; row <= tilesBounds.maxRow; row++)
{
string sourceFileName = Path.Combine(textTilePath.Text, numZoomLevel.Text, col.ToString(), row.ToString()) + fileExt;
if (!File.Exists(sourceFileName))
{
string fileUrl = string.Format("http://khm{0}.google.com/kh/v=189&hl=en&x={1}&y={2}&z={3}&s={4}", i, col, row, tilesBounds.zoomLevel,
SourceTail.Substring(0, rng.Next(SourceTail.Length)));
//sb.AppendLine(fileUrl);
missTileCount++;
allMissTile++;
i++;
i = i % 4;
}
}
if (missTileCount > 0)
{
setMsg(string.Format("{0}:{1}", col, missTileCount));
}
}
setMsg(string.Format("Total:{0}", allMissTile));
}
catch (Exception ex)
{
setMsg(ex.Message);
}
}
void ivProcess_Exited(object sender, EventArgs e)
{
string outPath = textTiffPath.Text;
string tmpPath = outPath + "_tmp";
TilesBounds tilesBounds = GetTilesBound();
lock (this)
{
ivProcessCount--;
if (ivProcessCount == 0)
{
setMsg("完成行合并，开始进行列合并！");
string arguments = string.Format("/panorama=(1,{0}) /convert={1}", Path.Combine(tmpPath, "*.png"), outPath);
Process p = new Process();
p.EnableRaisingEvents = true;
p.StartInfo.FileName = irfanViewPath;
p.StartInfo.Arguments = arguments;
p.Exited += ivProcess_Exited;
p.Start();
p.Exited += p_Exited;
}
}
}
private void WriteTfwFile(TilesBounds tilesBounds, string outTfwFileName)
{
StringBuilder sb = new StringBuilder();
decimal resolution = EarthCircumference / 256 / (decimal)Math.Pow(2, tilesBounds.zoomLevel);
//EPSG:3857
sb.AppendLine(resolution.ToString());//X方向上的象素分辨素
sb.AppendLine("0");//X方向的旋转系数
sb.AppendLine("0");//Y方向的旋转系数
sb.AppendLine( "-" + resolution.ToString());//Y方向上的象素分辨率
sb.AppendLine(((tilesBounds.minCol * 256m + 0.5m) * resolution - EarthCircumference / 2).ToString());//左上角象素中心X坐标
sb.AppendLine((EarthCircumference / 2 - (tilesBounds.minRow * 256m + 0.5m) * resolution).ToString());//左上角象素中心Y坐标
/* EPSG:4326
int imageWidth = 256 * (tilesBounds.maxCol - tilesBounds.minCol + 1);
int imageHeight = 256 * (tilesBounds.maxRow - tilesBounds.minRow + 1);
PointD p1 = TileToWorldPos(tilesBounds.minCol,tilesBounds.minRow,tilesBounds.zoomLevel); //左上
PointD p2 = TileToWorldPos(tilesBounds.maxCol + 1, tilesBounds.maxRow + 1, tilesBounds.zoomLevel);//右下
sb.AppendLine(((p2.X - p1.X) / imageWidth).ToString());//X方向上的象素分辨素
sb.AppendLine("0");//X方向的旋转系数
sb.AppendLine("0");//Y方向的旋转系数
sb.AppendLine(((p2.Y - p1.Y) / imageHeight).ToString());//Y方向上的象素分辨率
sb.AppendLine((p1.X).ToString());//左上角象素中心X坐标
sb.AppendLine((p1.Y).ToString());//左上角象素中心Y坐标
*/
File.WriteAllText(outTfwFileName,sb.ToString());
}
private TilesBounds GetTilesBound()
{
TilesBounds tilesBounds = new TilesBounds();
tilesBounds.minCol = int.Parse(textMinCol.Text);
tilesBounds.maxCol = int.Parse(textMaxCol.Text);
tilesBounds.minRow = int.Parse(textMinRow.Text);
tilesBounds.maxRow = int.Parse(textMaxRow.Text);
tilesBounds.zoomLevel = int.Parse(numZoomLevel.Text);
return tilesBounds;
}
/// <summary>
/// 拼接瓦片
/// </summary>
/// <param name="tilesBounds"></param>
/// <param name="tilePath"></param>
/// <param name="outPutFileName"></param>
private void CombineTilesByTiffWriter(BackgroundWorker worker, DoWorkEventArgs e)
{
try
{
WorkerParams param = e.Argument as WorkerParams;
TilesBounds tb = param.TilesBound;
string tilePath = param.TilePath;
string outPutFilePath = param.OutPutFilePath;
int minBlockColIdx = tb.minCol / param.TiffTileCount;
int maxBlockColIdx = tb.maxCol / param.TiffTileCount;
int minBlockRowIdx = tb.minRow / param.TiffTileCount;
int maxBlockRowIdx = tb.maxRow / param.TiffTileCount;
int totalFileCount = (maxBlockColIdx - minBlockColIdx + 1) * (maxBlockRowIdx - minBlockRowIdx + 1);
worker.ReportProgress(0, string.Format("生成的TIFF共有{0}个，总大小估计为：{1} G", totalFileCount, totalFileCount * 0.75));
for (int i = minBlockColIdx; i <= maxBlockColIdx; i++)
{
for (int j = minBlockRowIdx; j <= maxBlockRowIdx; j++)
{
if (worker.CancellationPending)
{
e.Cancel = true;
return;
}
TilesBounds tilesBounds = new TilesBounds();
tilesBounds.zoomLevel = tb.zoomLevel;
//修正瓦片边界，防止周围黑边
tilesBounds.minCol = Math.Max(i * param.TiffTileCount,tb.minCol);
tilesBounds.maxCol = Math.Min(i * param.TiffTileCount + param.TiffTileCount - 1,tb.maxCol);
tilesBounds.minRow = Math.Max(j * param.TiffTileCount,tb.minRow);
tilesBounds.maxRow = Math.Min(j * param.TiffTileCount + param.TiffTileCount - 1,tb.maxRow);
CombineSingleTiff(worker, tilesBounds, tilePath, outPutFilePath);
}
}
}
catch (Exception ex)
{
worker.ReportProgress(0, string.Format("合并图片生成TIFF时出现异常！msg:{0}", ex.Message));
}
}
//合并单个Tiff文件
private void CombineSingleTiff(BackgroundWorker worker, TilesBounds tilesBounds, string tilePath, string outPutFilePath)
{
string outPutFileName = Path.Combine(outPutFilePath, string.Format("x{2}-{3}_y{0}-{1}.tif", tilesBounds.minRow, tilesBounds.maxRow, tilesBounds.minCol, tilesBounds.maxCol));
worker.ReportProgress(tilesBounds.minCol, string.Format("开始生成TIFF文件：{0}", outPutFileName));
if (File.Exists(outPutFileName))
{
//存在则跳过
return;
}
int imageWidth = 256 * (tilesBounds.maxCol - tilesBounds.minCol + 1);
int imageHeight = 256 * (tilesBounds.maxRow - tilesBounds.minRow + 1);
TiffFileWriter writer = new TiffFileWriter();
writer.CreateFile(outPutFileName, (uint)imageWidth, (uint)imageHeight);
writer.WriteTiffHeader();
for (int row = tilesBounds.minRow; row <= tilesBounds.maxRow; row++)
{
List<Bitmap> bitmapLs = new List<Bitmap>(tilesBounds.maxCol - tilesBounds.minCol + 1);
try
{
for (int col = tilesBounds.minCol; col <= tilesBounds.maxCol; col++)
{
string sourceFileName = Path.Combine(tilePath, tilesBounds.zoomLevel.ToString(), col.ToString(), row.ToString() + fileExt);
if (File.Exists(sourceFileName))
{
bitmapLs.Add(new Bitmap(sourceFileName));
}
else
{
bitmapLs.Add(new Bitmap(256, 256));
}
}
writer.WriteImageData(bitmapLs);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
writer.CloseFile();
string outTfwFileName = Path.Combine(outPutFilePath, Path.GetFileNameWithoutExtension(outPutFileName) + ".tfw");
WriteTfwFile(tilesBounds, outTfwFileName);
}
private void DownLoadMissFiles(BackgroundWorker worker, DoWorkEventArgs e)
{
try
{
WorkerParams param = e.Argument as WorkerParams;
TilesBounds tilesBounds = param.TilesBound;
int i = 0;
for (int col = tilesBounds.minCol; col <= tilesBounds.maxCol; col++)
{
worker.ReportProgress(col, string.Format("开始下载{0}目录图片！", col));
string colDir = Path.Combine(textTilePath.Text, numZoomLevel.Text, col.ToString());
if (!Directory.Exists(colDir))
{
Directory.CreateDirectory(colDir);
}
for (int row = tilesBounds.minRow; row <= tilesBounds.maxRow; row++)
{
if (worker.CancellationPending)
{
e.Cancel = true;
return;
}
string sourceFileName = Path.Combine(colDir, row.ToString()) + fileExt;
if (!File.Exists(sourceFileName))
{
string fileUrl = string.Empty;
if (param.MapType == 0)
{
fileUrl = string.Format("http://khm{0}.google.com/kh/v={5}&hl=en&x={1}&y={2}&z={3}&s={4}", i, col, row, tilesBounds.zoomLevel,
SourceTail.Substring(0, rng.Next(SourceTail.Length)), param.GoogleRasterV);
}
else if (param.MapType == 1)
{
fileUrl = string.Format("http://mt{0}.google.cn/vt/lyrs=t@132&x={1}&y={2}&z={3}&s={4}", i, col, row, tilesBounds.zoomLevel,
SourceTail.Substring(0, rng.Next(SourceTail.Length)));
}
else if (param.MapType == 2)
{
fileUrl = string.Format("http://mt{0}.google.cn/vt/lyrs=m@292000000&hl=zh-CN&gl=cn&x={1}&y={2}&z={3}&s={4}", i, col, row, tilesBounds.zoomLevel,
SourceTail.Substring(0, rng.Next(SourceTail.Length)));
}
else if (param.MapType == 3)
{
fileUrl = string.Format("http://10.55.13.160/ArcGIS/rest/services/water_baseMap/MapServer/tile/{3}/{2}/{1}", i, col, row, tilesBounds.zoomLevel,
SourceTail.Substring(0, rng.Next(SourceTail.Length)));
}
try
{
WebClient wc = new WebClient();
wc.Headers.Add("user-agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:21.0) Gecko/20130109 Firefox/21.0");
if (param.DownloadUseProxy)
{
wc.Proxy = new WebProxy("127.0.0.1", 41080);
}
wc.DownloadFile(fileUrl, sourceFileName);
Thread.Sleep(10);
}
catch (Exception ex)
{
worker.ReportProgress(col, string.Format("下载图片{0}_{1}时出现错误！msg:{2} ,url:{3}", col, row, ex.Message, fileUrl));
}
i++;
i = i % 4;
}
}
}
}
catch (Exception ex)
{
worker.ReportProgress(0, string.Format("下载图片时出现异常！msg:{0}", ex.Message));
}
}
