238 lines
9.6 KiB
C#
238 lines
9.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Diagnostics;
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using ExifLib;
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using System.Xml;
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using Microsoft.WindowsAPICodePack.Dialogs;
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using System.IO;
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namespace ImgGPS2KML
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{
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public partial class MainWin : Form
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{
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public MainWin()
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{
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InitializeComponent();
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}
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private void putPlacemark(XmlTextWriter writer,string name, double longitude, double latitude)
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{
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writer.WriteStartElement("Placemark");
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writer.WriteStartElement("name");
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writer.WriteString(name);
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writer.WriteEndElement();//end of name
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writer.WriteStartElement("Style");
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writer.WriteStartElement("IconStyle");
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writer.WriteStartElement("Icon");
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writer.WriteStartElement("href");
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writer.WriteString("http://maps.google.com/mapfiles/kml/paddle/blu-blank.png");
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writer.WriteEndElement();//end of href
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writer.WriteEndElement();//end of Icon
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writer.WriteStartElement("color");
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writer.WriteString("ffffffff");
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writer.WriteEndElement();//end of color
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writer.WriteStartElement("scale");
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writer.WriteString("1.0");
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writer.WriteEndElement();//end of scale
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writer.WriteEndElement();//end of IconStyle
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writer.WriteEndElement();//end of Style
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writer.WriteStartElement("Point");
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writer.WriteStartElement("coordinates");
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writer.WriteString(String.Format("{0},{1},0", longitude, latitude));
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writer.WriteEndElement();//end of coordinates
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writer.WriteEndElement();//end of Point
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writer.WriteEndElement();//end of Placemark
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}
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private double toDecimalUnit(double degree, double minute, double second)//把2度2分3秒这样的数据转换成2.3212这样的数据。
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{
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return degree + minute / 60 + second / 3600;
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}
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//private double distanceByLongNLat(double long1, double lat1, double long2, double lat2)//计算经纬度两点间距离
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//{
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// double a, b, R;
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// R = 6378137;//地球半径
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// lat1 = lat1 * Math.PI / 180.0;
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// lat2 = lat2 * Math.PI / 180.0;
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// a = lat1 - lat2;
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// b = (long1 - long2) * Math.PI / 180.0;
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// double d;
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// double sa2, sb2;
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// sa2 = Math.sin(a / 2.0);
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// sb2 = Math.sin(b / 2.0);
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// d = 2 * R * Math.asin(Math.sqrt(sa2 * sa2 + Math.cos(lat1) * Math.cos(lat2) * sb2 * sb2));
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// return d;
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//}
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private List<double[]> extractCordinattionFromImg(List<string> imgPaths)//获得所有图片的坐标
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{
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List<double[]> longitudNLatitude = new List<double[]>();//第一个是经度，第二个是纬度
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foreach (string path in imgPaths)
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{
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try
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{
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using (ExifReader reader = new ExifReader(path))
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{
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double[] longitude;//经度
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double[] latitude;//纬度
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reader.GetTagValue<double[]>(ExifTags.GPSLongitude, out longitude);
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reader.GetTagValue<double[]>(ExifTags.GPSLatitude, out latitude);
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if (longitude == null || latitude == null)
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{
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continue;
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}
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double decimalLongtitude;
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decimalLongtitude = toDecimalUnit(longitude[0], longitude[1], longitude[2]);
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double decimalLatitude;
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decimalLatitude = toDecimalUnit(latitude[0], latitude[1], latitude[2]);
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longitudNLatitude.Add(new double[] { decimalLongtitude, decimalLatitude });
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}
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}
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catch
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{
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}
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}
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return longitudNLatitude;
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}
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double[] get_centroid(List<double[]> cluster)
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{
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double x;
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double y;
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double z;
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x = 0;
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y = 0;
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z = 0;
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int coord_num = cluster.Count;
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foreach (double[] coord in cluster)
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{
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double lon = coord[0] / 180 * Math.PI;
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double lat = coord[1] / 180 * Math.PI;
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x += Math.Cos(lat) * Math.Cos(lon);
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y += Math.Cos(lat) * Math.Sin(lon);
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z += Math.Sin(lat);
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}
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x /= coord_num;
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y /= coord_num;
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z /= coord_num;
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return new double[] { Math.Atan2(y, x) * 180 / Math.PI, Math.Atan2(z, Math.Sqrt(x * x + y * y)) * 180 / Math.PI };
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}
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private List<string> searchJPG(string sourceDir)
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{
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string[] allFiles = Directory.GetFiles(sourceDir);
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List<string> jpgFiles = new List<string>();
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foreach (string file in allFiles)
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{
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if (Path.GetExtension(file).ToLower() == ".jpg")
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{
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jpgFiles.Add(file);
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}
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}
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return jpgFiles;
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}
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private void bt_add_directory(object sender, EventArgs e)
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{
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this.dvDirectory.Rows.Clear();
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CommonOpenFileDialog dialog = new CommonOpenFileDialog();
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dialog.Multiselect = true;
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dialog.IsFolderPicker = true;
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if (dialog.ShowDialog() == CommonFileDialogResult.Ok)
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{
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foreach (String selectDir in dialog.FileNames)
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{
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string coordination_col_text;
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bool canExport;
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canExport = true;
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List<string> imgPaths = searchJPG(selectDir);
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if (imgPaths.Count > 0)
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{
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List<double[]> coordinationOfImg;
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coordinationOfImg = extractCordinattionFromImg(imgPaths);
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if (coordinationOfImg.Count > 0)
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{
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double[] centroid;
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centroid = get_centroid(coordinationOfImg);//计算所有图片坐标的中心
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coordination_col_text = string.Format("{0},{1}", centroid[0], centroid[1]);
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}
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else
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{
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coordination_col_text = "图片中未找到坐标。";
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canExport = false;
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}
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}
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else
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{
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coordination_col_text="未找到图片。";
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canExport = false;
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}
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this.dvDirectory.Rows.Add(new object[]{selectDir,coordination_col_text,canExport});
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}
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}
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}
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private void btExportKML_Click(object sender, EventArgs e)
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{
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SaveFileDialog dialog = new SaveFileDialog();
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dialog.Filter = "kml file (*.kml)|*.kml";
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if (dialog.ShowDialog() == DialogResult.OK)
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{
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using (XmlTextWriter writer = new XmlTextWriter(dialog.FileName, Encoding.UTF8))
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{
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writer.Formatting = Formatting.Indented;
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writer.WriteStartDocument();
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writer.WriteStartElement("kml");
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writer.WriteStartAttribute("xmlns");
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writer.WriteString("http://www.opengis.net/kml/2.2");
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writer.WriteEndAttribute();
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writer.WriteStartAttribute("xmlns:gx");
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writer.WriteString("http://www.google.com/kml/ext/2.2");
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writer.WriteEndAttribute();
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writer.WriteStartAttribute("xmlns:atom");
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writer.WriteString("http://www.w3.org/2005/Atom");
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writer.WriteEndAttribute();
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writer.WriteStartElement("Document");
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writer.WriteStartElement("name");
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writer.WriteString("照片导出坐标");
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writer.WriteEndElement();//end of name
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foreach (DataGridViewRow row in this.dvDirectory.Rows)
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{
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Int32 canExport;
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DataGridViewCheckBoxCell checkBoxColum=row.Cells[2] as DataGridViewCheckBoxCell;
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canExport =Convert.ToInt32(checkBoxColum.Value);
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if (canExport !=1)
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{
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continue;
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}
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double longitude;
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double latitude;
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string name;
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name = Path.GetFileName(Convert.ToString(row.Cells[0].Value));
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longitude = Convert.ToDouble(Convert.ToString(row.Cells[1].Value).Split(',')[0]);
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latitude = Convert.ToDouble(Convert.ToString(row.Cells[1].Value).Split(',')[1]);
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putPlacemark(writer, name, longitude, latitude);
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}
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writer.WriteEndElement();//end of Document
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writer.WriteEndElement();//end of xml
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writer.WriteEndDocument();
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}
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MessageBox.Show("已导出");
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}
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}
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}
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}
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