private void modelDrawer1_Paint(object sender, PaintEventArgs e)
{
SoilTunnelGeometry stg = new SoilTunnelGeometry(20, new float[] { 3, 4, 5 }, 2, 3, 6);
Graphics g = e.Graphics;
modelDrawer1.DrawSoilTunnelModel(stg, g);
}
public override StationGeometry GetStationGeometry()
{
SoilTunnelGeometry stg = null;
if (Tunnel != null)
{
stg = new SoilTunnelGeometry(
soilWidth: (float)Tunnel.Radius * 6.0f,
soilHeight: SoilLayers.Select(r => r.Top - r.Bottom).ToArray(),
overlyingSoilHeight: MethodProperty.OverLayingSoilHeight,
tunnelRadius: (float)Tunnel.Radius, tunnelSegmentNum: Tunnel.SegmentNum);
}
return(stg);
}
public void DrawSoilTunnelModel(SoilTunnelGeometry stg, Graphics g = null)
{
g = g ?? CreateGraphics();
g.Clear(BackColor);
//构造图形平移和缩放需要的参数
float soilHeight = stg.SoilHeight.Sum();;
double rx, ry, r;
if (this.Width != 0 && this.Height != 0 && stg.SoilWidth > 0)
{
rx = (float)this.Width / stg.SoilWidth;
ry = (float)this.Height / soilHeight;
r = Math.Min(rx, ry); // r 值越小，则模型缩得越多
}
else
{
r = 10;
}
modelScale = (float)(r * 0.8);
float translatex = (this.Width - stg.SoilWidth * modelScale) / 2;
float translatey = (this.Height - soilHeight * modelScale) / 2;
//图形平移
g.TranslateTransform(translatex, translatey);
//图形缩放
g.ScaleTransform(modelScale, modelScale);
//由 stg 得到后面画圆形隧道需要的参数， tunnelWidth，tunnelHeight，segmentNum，radius
int segmentNum = stg.TunnelSegmentNum;
float radius = stg.TunnelRadius;
float tunnelWidth = 2 * radius;
float tunnelHeight = 2 * radius;
#region --- 画土层
Pen soilPen = new Pen(Color.Black, 1);
var colors = sdUtils.ClassicalColorsExpand(stg.SoilHeight.Length);
for (int i = 0; i < stg.SoilHeight.Length; i++)
{
float[] SoilHeighti = new float[i];
Array.Copy(stg.SoilHeight, 0, SoilHeighti, 0, i);
float soilHeighti = SoilHeighti.Sum();
try
{
SolidBrush soil = new SolidBrush(colors[i]);
g.FillRectangle(soil, 0, soilHeighti, stg.SoilWidth, stg.SoilHeight[i]);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
#endregion
#region --- 画结构
Pen structurePen1 = new Pen(Color.Black, 8f / modelScale);
Pen structurePen2 = new Pen(Color.White, 4f / modelScale);
SolidBrush structure = new SolidBrush(Color.White);
g.FillEllipse(structure, stg.SoilWidth / 2 - radius, stg.OverlyingSoilHeight, tunnelWidth, tunnelHeight);
//SolidBrush structure1 = new SolidBrush(Color.Black);
//g.FillEllipse(structure1, stg.SoilWidth / 2 - radius - 2f / modelScale, stg.OverlyingSoilHeight - 2f / modelScale, tunnelWidth + 4f / modelScale, tunnelHeight + 4f / modelScale);
//g.FillEllipse(structure, stg.SoilWidth / 2 - radius + 2f / modelScale, stg.OverlyingSoilHeight + 2f / modelScale, tunnelWidth - 4f / modelScale, tunnelHeight - 4f / modelScale);
double[] Angles = new double[segmentNum + 1];
if (segmentNum != 0)
{
double _angle = 360 / segmentNum;
for (int i = 0; i < segmentNum + 1; i++)
{
double _angleI = _angle * (i + 0.5);
Angles[i] = _angleI;
}
PointF point1 = new PointF(stg.SoilWidth / 2, (stg.OverlyingSoilHeight + radius));
for (int i = 0; i < segmentNum; i++)
{
g.DrawArc(structurePen1, stg.SoilWidth / 2 - radius, stg.OverlyingSoilHeight, tunnelWidth, tunnelHeight, (float)Angles[i], (float)_angle);
float a = (float)(stg.SoilWidth / 2 + (radius + 4f / modelScale) * Math.Cos(Angles[i] * Math.PI / 180));
float b = (float)((stg.OverlyingSoilHeight + radius) + (radius + 4f / modelScale) * Math.Sin(Angles[i] * Math.PI / 180));
PointF point2 = new PointF(a, b);
g.DrawLine(structurePen2, point1, point2);
}
}
#endregion
}
