/// <summary>
/// 绘制Y轴标签
/// </summary>
private void DrawYLabels()
{
//绘制Y轴标签，纵轴，卫星号
int minYDiffer = 10;
int prevYPixe = -minYDiffer;
for (int i = 1; i <= SatCount; i++)
{
int y = GetYCoord(i - 1);//扣除epoch，从1开始
int x = Origin.X / 2;
var pos = new Point(x, y);;
if (y - prevYPixe >= minYDiffer)
{
UserChartGraphics.DrawLabel(DataTable.Columns[i].ToString(), pos);
prevYPixe = y;
}
}
}
/// <summary>
/// 绘制X轴标签
/// </summary>
private void DrawXLables()
{
//绘制历元标签
int prevX = -50;
int minXDiffer = 20;
for (int epcoh = MinEpoch; epcoh < MaxEpoch; epcoh++)
{
int y = Origin.Y / 2;
int x = GetXCoord(epcoh);
var pos = new Point(x, y);
if ((pos.X - prevX) >= minXDiffer)
{
prevX = pos.X;
var xlabel = GetIndexLabelX(epcoh);
UserChartGraphics.DrawLabel(xlabel, pos, -90);
}
}
}