private void DlgShadowAnalysis_FormClosing(object sender, FormClosingEventArgs e)
{
this.RegisterEvents(false);
if (m_shadowQuery != null)
{
m_shadowQuery.Clear();
m_shadowQuery = null;
}
m_bAnalyisSucess = false;
this.cb_GetShadowRatio.Enabled = false;
this.label_shadowRatio.Text = "当前点的阴影率为：***";
this.label_shadowRatio.Enabled = false;
m_sceneControl.Scene.TrackingLayer.Clear();
}
//清除所有分析结果
private void btn_ClearResult_Click(object sender, EventArgs e)
{
this.RegisterEvents(false);
if (m_shadowQuery != null)
{
m_shadowQuery.Clear();
m_shadowQuery = null;
}
m_bAnalyisSucess = false;
this.cb_GetShadowRatio.Enabled = false;
this.label_shadowRatio.Text = "当前点的阴影率为：***";
this.label_shadowRatio.Enabled = false;
m_sceneControl.Scene.TrackingLayer.Clear();
this.btn_StartAnalysis.Enabled = true;
this.btn_ClearResult.Enabled = false;
}
private ShadowVisibilityQuery CreateShadowVisibilityQuery()
{
ShadowVisibilityQuery shadowQuery = new ShadowVisibilityQuery(m_sceneControl.Scene);
shadowQuery.BaseUtcOffset = m_baseUtcOffset;
shadowQuery.Spacing = m_spacing;
shadowQuery.StartTime = m_startTime;
shadowQuery.EndTime = m_endTime;
shadowQuery.TimeInterval = m_timeInterval;
//设置颜色表
ColorDictionary colorDict = new ColorDictionary();
colorDict[0] = Color.Blue;
colorDict[30] = Color.Green;
colorDict[60] = Color.Orange;
colorDict[100] = Color.Red;
shadowQuery.ColorDictTable = colorDict;
return(shadowQuery);
}
//绘制区域并开始分析
private void btn_StartAnalysis_Click(object sender, EventArgs e)
{
if (m_shadowType == ShadowType.SELECTION)
{
//目前只允许一次选择一个图层中的对象
Layer3Ds layers = m_sceneControl.Scene.Layers;
for (int i = 0; i < layers.Count; i++)
{
Layer3D layer = layers[i];
Selection3D seletion3D = layer.Selection;
if (seletion3D != null)
{
m_selection = seletion3D;
break;
}
}
if (m_selection == null)
{
MessageBox.Show("请先选择要产生阴影的对象！");
return;
}
}
this.RegisterEvents(false);
this.RegisterEvents(true);
m_oldAction = m_sceneControl.Action;
m_sceneControl.Action = Action3D.CreatePolygon;
if (m_shadowQuery == null)
{
m_shadowQuery = this.CreateShadowVisibilityQuery();
}
this.btn_StartAnalysis.Enabled = false;
this.btn_ClearResult.Enabled = true;
}
