using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
//using System.Linq;
using System.Drawing.Drawing2D; //
using GeoScene.Globe;
using GeoScene.Data;
using GeoScene.Engine;
using ZedGraph;
namespace WorldGIS
{
public partial class FrmAnalysisProfile : Form
{
public GSOPoint3ds m_pnt3ds;
public GSOPoint3d m_pntMax;
public GSOPoint3d m_pntMin;
public GSOPoint3d m_pntStart;
public GSOPoint3d m_pntEnd;
public double m_dXTotalLength = 0;
public double m_dSpaceLength=0;
public double m_dSphereLength=0;
public double m_dGroundLength=0;
private Boolean m_bXYSameScale = false;
private Boolean m_bSetMinX = false;
private Boolean m_bSetMinY = false;
public FrmAnalysisProfile()
{
InitializeComponent();
}
private void ProfileAnalysisDlg_Resize(object sender, EventArgs e)
{
this.Invalidate();
}
private void ProfileAnalysisDlg_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
// Color FColor = Color.FromArgb(150, 150, 150);
// Color TColor = Color.FromArgb(220, 220, 220);
Color FColor = Color.FromArgb(255, 255, 255);
Color TColor = Color.FromArgb(221, 221, 221);
Brush b = new LinearGradientBrush(this.ClientRectangle, FColor, TColor, LinearGradientMode.Vertical);
g.FillRectangle(b, this.ClientRectangle);
}
private void DrawCurveGraph()
{
zedGraphControl1.GraphPane.CurveList.Clear();
zedGraphControl1.GraphPane.GraphObjList.Clear();
zedGraphControl1.RestoreScale(zedGraphControl1.GraphPane);
zedGraphControl1.GraphPane.Chart.Fill = new ZedGraph.Fill(Color.White, Color.SteelBlue, 45.0F);
if (m_pnt3ds != null)
{
GraphPane myPane = zedGraphControl1.GraphPane;
myPane.Legend.IsVisible = false;
PointPairList list = new PointPairList();
int nPointCount = m_pnt3ds.Count;
double dOneSegLen = m_dXTotalLength / (nPointCount - 1);
for (int i = 0; i < m_pnt3ds.Count; i++)
{
double x = i * dOneSegLen;
double y = (int)(Math.Round(m_pnt3ds[i].Z * 100)) / 100.0; // 精确到厘米就行了
list.Add(x, y);
}
myPane.AddStick("采样线", list, Color.Blue);
LineItem myCurve = myPane.AddCurve("剖面", list, Color.Blue, SymbolType.None);
//myCurve.Symbol.Fill = new Fill(Color.White);
myCurve.Line.IsAntiAlias = true;
myCurve.Line.IsSmooth = true;
myCurve.Line.Width = 2;
myCurve.Line.Fill = new Fill(Color.Yellow, Color.LightGray, 45.0f);
// Show the x axis grid
myPane.XAxis.MajorGrid.IsVisible = true;
myPane.XAxis.IsAxisSegmentVisible = true;
if(m_bSetMinX)
{
myPane.XAxis.Scale.Min = 0;
}
if (m_bSetMinY)
{
myPane.YAxis.Scale.Min = m_pntMin.Z;
}
// Make the Y axis scale red
//myPane.YAxis.Scale.FontSpec.FontColor = Color.Red;
//myPane.YAxis.Title.FontSpec.FontColor = Color.Red;
// turn off the opposite tics so the Y tics don't show up on the Y2 axis
//myPane.YAxis.MajorTic.IsOpposite = false;
// myPane.YAxis.MinorTic.IsOpposite = false;
myPane.YAxis.MajorGrid.IsVisible = true;
// Don't display the Y zero line
myPane.YAxis.MajorGrid.IsZeroLine = false;
// Align the Y axis labels so they are flush to the axis
myPane.YAxis.Scale.Align = AlignP.Inside;
// Manually set the axis range
//myPane.YAxis.Scale.Min = -1000;
// myPane.YAxis.Scale.Max = 1000;
// Fill the axis background with a gradient
myPane.Chart.Fill = new Fill(Color.White, Color.LightGray, 45.0f);
// Enable scrollbars if needed
//zedGraphControl1.IsShowHScrollBar = true;
//zedGraphControl1.IsShowVScrollBar = true;
zedGraphControl1.IsAutoScrollRange = true;
// OPTIONAL: Show tooltips when the mouse hovers over a point
zedGraphControl1.IsShowPointValues = true;
zedGraphControl1.PointValueEvent += new ZedGraphControl.PointValueHandler(MyPointValueHandler);
// OPTIONAL: Handle the Zoom Event
zedGraphControl1.ZoomEvent += new ZedGraphControl.ZoomEventHandler(MyZoomEvent);
// Size the control to fit the window
//SetSize();
// Tell ZedGraph to calculate the axis ranges
// Note that you MUST call this after enabling IsAutoScrollRange, since AxisChange() sets
// up the proper scrolling parameters
zedGraphControl1.AxisChange();
if (m_bXYSameScale)
{
graphPane_AxisChangeEvent();
}
// Make sure the Graph gets redrawn
zedGraphControl1.Invalidate();
SetLableText();
}
}
private void ProfileAnalysisDlg_Load(object sender, EventArgs e)
{
GraphPane myPane = zedGraphControl1.GraphPane;
myPane.Title.Text = "剖面分析";
myPane.Title.FontSpec.Family = "黑体";
myPane.Title.FontSpec.IsBold = false;
myPane.Title.FontSpec.Size = 18.0f;
// myPane.Title.IsVisible = false;
myPane.XAxis.Title.Text = "长度";
myPane.XAxis.Title.FontSpec.Family = "黑体";
myPane.XAxis.Title.FontSpec.IsBold = false;
myPane.XAxis.Title.FontSpec.Size = 18.0f;
myPane.YAxis.Title.Text = "高程";
myPane.YAxis.Title.FontSpec.Family = "黑体";
myPane.YAxis.Title.FontSpec.IsBold = false;
myPane.YAxis.Title.FontSpec.Size = 18.0f;
myPane.Chart.Fill = new Fill(Color.White, Color.LightGray, 45.0f);
DrawCurveGraph();
}
private void SetLableText()
{
labelStartLon.Text="起点经度： "+m_pntStart.X.ToString("f6");
labelStartLat.Text="起点纬度： "+m_pntStart.Y.ToString("f6");
labelEndLon.Text="终点经度： "+m_pntEnd.X.ToString("f6");
labelEndLat.Text="终点纬度： "+m_pntEnd.Y.ToString("f6");
labelStartAlt.Text = "起点高程： " + m_pntStart.Z.ToString("f2");
labelEndAlt.Text = "终点高程： " + m_pntEnd.Z.ToString("f2");
labelMaxAlt.Text = "最大高程： " + m_pntMax.Z.ToString("f2");
labelMinAlt.Text = "最低高程： " + m_pntMin.Z.ToString("f2");
labelSphereLenth.Text = "投影距离： " + m_dSphereLength.ToString("f2");
labelGroundLenth.Text = "地表距离： " + m_dGroundLength.ToString("f2");
labelSpaceLenth.Text = "直线距离： " + m_dSpaceLength.ToString("f2");
labelPointNum.Text = "采样点数： " + m_pnt3ds.Count;
}
/// <summary>
/// Display customized tooltips when the mouse hovers over a point
/// </summary>
private string MyPointValueHandler(ZedGraphControl control, GraphPane pane,
CurveItem curve, int iPt)
{
// Get the PointPair that is under the mouse
PointPair pt = curve[iPt];
return "(" + pt.X.ToString("f2") + "," + pt.Y.ToString("f2") + ")";
}
// Respond to a Zoom Event
private void MyZoomEvent(ZedGraphControl control, ZoomState oldState,
ZoomState newState)
{
// Here we get notification everytime the user zooms
}
private void graphPane_AxisChangeEvent()
{
GraphPane graphPane = zedGraphControl1.GraphPane;
// Correct the scale so that the two axes are 1:1 aspect ratio
double scalex2 = (graphPane.XAxis.Scale.Max - graphPane.XAxis.Scale.Min) / graphPane.Rect.Width;
double scaley2 = (graphPane.YAxis.Scale.Max - graphPane.YAxis.Scale.Min) / graphPane.Rect.Height;
if (scalex2 > scaley2)
{
double diff = graphPane.YAxis.Scale.Max - graphPane.YAxis.Scale.Min;
double new_diff = graphPane.Rect.Height * scalex2;
graphPane.YAxis.Scale.Max = graphPane.YAxis.Scale.Min + new_diff;
//graphPane.YAxis.Scale.Min -= (new_diff - diff) / 2.0;
//graphPane.YAxis.Scale.Max += (new_diff - diff) / 2.0;
}
else if (scaley2 > scalex2)
{
double diff = graphPane.XAxis.Scale.Max - graphPane.XAxis.Scale.Min;
double new_diff = graphPane.Rect.Width * scaley2;
// graphPane.XAxis.Scale.Min -= (new_diff - diff) / 2.0;
//graphPane.XAxis.Scale.Max += (new_diff - diff) / 2.0;
graphPane.XAxis.Scale.Max = graphPane.XAxis.Scale.Min + new_diff;
}
// Recompute the grid lines
float scaleFactor = graphPane.CalcScaleFactor();
Graphics g = zedGraphControl1.CreateGraphics();
graphPane.XAxis.Scale.PickScale(graphPane, g, scaleFactor);
graphPane.YAxis.Scale.PickScale(graphPane, g, scaleFactor);
}
private void checkBoxSameScale_CheckedChanged(object sender, EventArgs e)
{
m_bXYSameScale = checkBoxSameScale.Checked;
DrawCurveGraph();
}
private void checkBoxXmin_CheckedChanged(object sender, EventArgs e)
{
m_bSetMinX = checkBoxXmin.Checked;
DrawCurveGraph();
}
private void checkBoxYMin_CheckedChanged(object sender, EventArgs e)
{
m_bSetMinY = checkBoxYMin.Checked;
DrawCurveGraph();
}
private void zedGraphControl1_Load(object sender, EventArgs e)
{
}
}
}
