private void InitialGraph()
{
graphProperties = new GraphProperties();
graphData = new DataGraph();
initialRect = new DataRect();
// 默认初始处于滚动模式
GraphStyle = GraphMode.FixMoveMode;
IsShowGrid = false;
GraphTitle = "位移实时显示曲线";
AxisXTitle = "时间(s)";
AxisYTitle = "位移(mm)";
pbZoom.BackColor = Color.FromArgb(50, 0, 64, 128);
pbZoom.Visible = false;
MsgOutput = "Ready";
}
/// <summary>矩形框选放大
/// </summary>
private void ZoomInSelectedRect()
{
DataRect selectedRect = new DataRect(
pbZoom.Location.X, pbZoom.Location.X + pbZoom.Width,
pbZoom.Location.Y, pbZoom.Location.Y + pbZoom.Height);
DataRect zoomInRect = GetZoomedRect(selectedRect);
if (zoomInRect.XRange >= XDataAccuracy && zoomInRect.YRange >= YDataAccuracy)
{
SetDisplayRect(zoomInRect);
MsgOutput = "Zoom in normally";
}
else if (zoomInRect.XRange >= XDataAccuracy)
{
SetDisplayRect(zoomInRect.XMin, zoomInRect.XMax,
(zoomInRect.YMin + zoomInRect.YMax - YDataAccuracy) / 2F,
(zoomInRect.YMin + zoomInRect.YMax + YDataAccuracy) / 2F);
MsgOutput = "Zoom in to the Y data accuracy";
}
else if (zoomInRect.YRange >= YDataAccuracy)
{
SetDisplayRect(
(zoomInRect.XMin + zoomInRect.XMax - XDataAccuracy) / 2F,
(zoomInRect.XMin + zoomInRect.XMax + XDataAccuracy) / 2F,
zoomInRect.YMin, zoomInRect.YMax);
MsgOutput = "Zoom in to the X data accuracy";
}
else
{
SetDisplayRect(
(zoomInRect.XMin + zoomInRect.XMax - XDataAccuracy) / 2F,
(zoomInRect.XMin + zoomInRect.XMax + XDataAccuracy) / 2F,
(zoomInRect.YMin + zoomInRect.YMax - YDataAccuracy) / 2F,
(zoomInRect.YMin + zoomInRect.YMax + YDataAccuracy) / 2F);
MsgOutput = "Zoom in to all data accuracy";
}
}
private void SetDisplayRect(DataRect newRect)
{
graphData.DisplayRect.UpdateRect(newRect);
}
