private void TryExportPolygon(Feature[] features, string shpFileName)
{
EsriShapeFilesWriterII w = new EsriShapeFilesWriterII(shpFileName, enumShapeType.Polygon);
w.BeginWrite();
Feature feature = features[0];
string[] fieldNames = feature.FieldNames;
Feature[] retFeature = new Feature[features.Length];
for (int i = 0; i < features.Length; i++)
{
ShapePolygon ply = (features[i].Geometry as ShapePolygon).Clone() as ShapePolygon;
ShapeRing[] rings = ply.Rings;
ShapeRing[] newRings = new ShapeRing[rings.Length];
for (int j = 0; j < rings.Length; j++)
{
ShapePoint[] points = rings[j].Points;
ShapePoint[] newPoints = new ShapePoint[points.Length];
for (int p = 0; p < points.Length; p++)
{
double prjx = points[p].X;
double prjy = points[p].Y;
double geox, geoy;
_canvas.CoordTransform.Prj2Geo(prjx, prjy, out geox, out geoy);
newPoints[p] = new ShapePoint(geox, geoy);
}
newRings[j] = new ShapeRing(newPoints);
}
ShapePolygon newPly = new ShapePolygon(newRings);
Feature fet = new Feature(features[i].OID, newPly, fieldNames, features[i].FieldValues, null);
retFeature[i] = fet;
}
w.Write(retFeature);
w.EndWriter();
}
private unsafe void TryExport2ShapeFile(IRasterDataProvider dataProvider, ContourLine[] cntLines, string shpFileName, IProgressMonitor progress, bool isNeedDisplay)
{
int cntCount = cntLines.Length;
string tip = "正在将等值线导出为矢量文件({0}/{1})...";
progress.Reset("正在将等值线导出为矢量文件...", cntLines.Length);
IEsriShapeFilesWriter writer = new EsriShapeFilesWriterII(shpFileName, enumShapeType.Polyline);
writer.BeginWrite();
try
{
double resX = dataProvider.CoordEnvelope.Width / dataProvider.Width;
double resY = dataProvider.CoordEnvelope.Height / dataProvider.Height;
double minX = dataProvider.CoordEnvelope.MinX;
double maxY = dataProvider.CoordEnvelope.MaxY;
Feature[] buffer = new Feature[1];
for (int i = 0; i < cntCount; i++)
{
if (cntLines[i] == null)
{
continue;
}
Feature fet = GetFeature(cntLines[i], resX, resY, minX, maxY, i);
if (fet != null)
{
buffer[0] = fet;
writer.Write(buffer);
}
progress.Boost(i, string.Format(tip, i + 1, cntCount));
}
}
finally
{
writer.EndWriter();
progress.Boost(cntCount);
//没有直接显示则打开矢量文件
if (!isNeedDisplay)
{
if (MsgBox.ShowQuestionYesNo("是否打开矢量文件\"" + shpFileName + "\"?") == DialogResult.Yes)
{
OpenFileFactory.Open(shpFileName);
}
}
}
}
/// <summary>
/// 保存矢量数据到文件
/// </summary>
/// <param name="shpFileName"></param>
/// <param name="features"></param>
private void SaveToShp(string shpFileName, Feature[] features)
{
IEsriShapeFilesWriter writer = null;
try
{
writer = new EsriShapeFilesWriterII(shpFileName, enumShapeType.Polygon);
writer.BeginWrite();
writer.Write(features);
}
finally
{
if (writer != null)
{
writer.EndWriter();
}
}
}
private string GenerateShpFormTxt(string fileName)
{
if (string.IsNullOrEmpty(fileName) || !File.Exists(fileName))
{
return(null);
}
string[] pointInfos = File.ReadAllLines(fileName, Encoding.Default);
if (pointInfos == null || pointInfos.Length < 2)
{
return(null);
}
List <Feature> features = new List <Feature>();
_pointInfos.Clear();
ShapePoint pt;
string[] fieldNames = pointInfos[0].Replace(" ", "").Split(new char[] { '\t' }, StringSplitOptions.RemoveEmptyEntries);
string[] fieldValues;
for (int i = 1; i < pointInfos.Length; i++)
{
fieldValues = pointInfos[i].Replace(" ", "").Split(new char[] { '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (fieldValues.Length != fieldNames.Length)
{
continue;
}
pt = new ShapePoint(float.Parse(fieldValues[2]), float.Parse(fieldValues[3]));
Feature f = new Feature(i - 1, pt, fieldNames, fieldValues, null);
features.Add(f);
_pointInfos.AppendLine(string.Format("{0}\t{1}\t", i, fieldValues[1]));
}
if (features.Count < 1)
{
return(null);
}
string shpFileName = Path.Combine(Path.GetDirectoryName(_gxdFile), Path.GetFileNameWithoutExtension(_gxdFile) + ".shp");
EsriShapeFilesWriterII w = new EsriShapeFilesWriterII(shpFileName, enumShapeType.Point);
w.BeginWrite();
w.Write(features.ToArray());
w.EndWriter();
//mcd文件
CreateMcd(shpFileName);
return(shpFileName);
}
protected void SaveToShpFile(string RGFRfilename, Feature[] leftFeatures)
{
try
{
EsriShapeFilesWriterII HdfRGFRWriter = new EsriShapeFilesWriterII(RGFRfilename, enumShapeType.Point);
HdfRGFRWriter.BeginWrite();
HdfRGFRWriter.Write(leftFeatures, new Action <int, string>(Progress));
HdfRGFRWriter.EndWriter();
btnOpenOutDir.Enabled = true;
_labeledPt = 0;
}
catch (IOException ex)
{
MessageBox.Show(ex.Message, "HdfGlobalFirePointReader", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
finally
{
FinishProgress();
}
}
private unsafe void TryExport2ShapeFile(IRasterDataProvider dataProvider, ContourLine[] cntLines, string shpFileName)
{
int cntCount = cntLines.Length;
string tip = "正在将等值线导出为矢量文件({0}/{1})...";
float interval = 100f / cntCount;
IEsriShapeFilesWriter writer = new EsriShapeFilesWriterII(shpFileName, enumShapeType.Polyline);
writer.BeginWrite();
int index = 0;
try
{
double resX = dataProvider.CoordEnvelope.Width / dataProvider.Width;
double resY = dataProvider.CoordEnvelope.Height / dataProvider.Height;
double minX = dataProvider.CoordEnvelope.MinX;
double maxY = dataProvider.CoordEnvelope.MaxY;
Feature[] buffer = new Feature[1];
for (int i = 0; i < cntCount; i++)
{
if (cntLines[i] == null)
{
continue;
}
index = (int)(Math.Floor(interval * i));
Feature fet = GetFeature(cntLines[i], resX, resY, minX, maxY, i);
if (fet != null)
{
buffer[0] = fet;
writer.Write(buffer);
}
if (_progressTracker != null)
{
_progressTracker(index, string.Format(tip, i, cntCount));
}
}
}
finally
{
writer.EndWriter();
}
}
private void TryExportIceLine2Shp(Feature[] iceLines, string shpFileName)
{
int cntCount = iceLines.Length;
string tip = "正在将等值线导出为矢量文件({0}/{1})...";
int progress = 0;
float interval = 100f / cntCount;
IEsriShapeFilesWriter writer = null;
try
{
writer = new EsriShapeFilesWriterII(shpFileName, enumShapeType.Polyline);
writer.BeginWrite();
Feature[] buffer = new Feature[1];
for (int i = 0; i < cntCount; i++)
{
if (iceLines[i] == null)
{
continue;
}
progress = (int)(Math.Floor(interval * i));
//Feature fet = GetIceLineFeature(iceLines[i], resX, resY, minX, maxY, i);
Feature fet = iceLines[i];
if (fet != null)
{
buffer[0] = fet;
writer.Write(buffer);
}
if (_progressTracker != null)
{
_progressTracker(progress, string.Format(tip, i, cntCount));
}
}
}
finally
{
if (writer != null)
{
writer.EndWriter();
}
}
}
private string GenaratePoints(string gxdFileName)
{
string[] lines = File.ReadAllLines(_firFile);
if (lines == null || lines.Length < 2)
{
return(null);
}
List <Feature> features = new List <Feature>();
ShapePoint pt;
string[] fieldValues;
string[] fieldNames = new string[] { "火区号", "经度", "纬度", "像元个数", "像元覆盖面积", "明火面积" };
for (int i = 1; i < lines.Length; i++)
{
fieldValues = lines[i].Replace(" ", "").Split(new char[] { '\t' }, 6, StringSplitOptions.RemoveEmptyEntries);
if (fieldValues != null)
{
//经纬度坐标度分秒转十进制
double x = GetAngleFromString(fieldValues[1]);
double y = GetAngleFromString(fieldValues[2]);
pt = new ShapePoint(x, y);
Feature f = new Feature(i - 1, pt, fieldNames, fieldValues, null);
features.Add(f);
}
}
if (features.Count < 1)
{
return(null);
}
string shpFileName = Path.Combine(Path.GetDirectoryName(gxdFileName), Path.GetFileNameWithoutExtension(gxdFileName) + ".shp");
EsriShapeFilesWriterII w = new EsriShapeFilesWriterII(shpFileName, enumShapeType.Point);
w.BeginWrite();
w.Write(features.ToArray());
w.EndWriter();
//mcd文件
CreateMcd(shpFileName);
return(shpFileName);
}