private void ShowWind_Click(object sender, EventArgs e)
{
ILayer pLayer = MainMap.get_Layer(0);
IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
int indexDir = pFeatureClass.Fields.FindField("Dir");
int indexSpeed = pFeatureClass.Fields.FindField("Speed");
ISymbol pSymbol = AOUtil.FetchSymbol("dir");
IGeoFeatureLayer pGeoFeatureLayer = pFeatureLayer as IGeoFeatureLayer;
ISimpleRenderer pSimpleRenderer = pGeoFeatureLayer.Renderer as ISimpleRenderer;
pSimpleRenderer.Symbol = pSymbol;
IRotationRenderer pRotationRender = pSimpleRenderer as IRotationRenderer;
pRotationRender.RotationField = "dir";
ISizeRenderer pSizeRender = pSimpleRenderer as ISizeRenderer;
pSizeRender.SizeRendererExpression = "[Speed]";
pSizeRender.SizeRendererFlags = 1;
MainMap.Refresh();
}
private void btn_OK_Click(object sender, EventArgs e)
{
string FieldName = cbx_Field.SelectedItem.ToString();
if (FieldName == "None")
{
MessageBox.Show("不可用字段,请选择其它图层"); return;
}
IGeoFeatureLayer pGeoFeatureLayer = (IGeoFeatureLayer)m_FeatureLayer;
pGeoFeatureLayer.ScaleSymbols = true;
ITable pTable = (ITable)pGeoFeatureLayer;
ICursor pCursor = pTable.Search(null, true);
IDataStatistics pDataStatistics = new DataStatisticsClass();
pDataStatistics.Cursor = pCursor;
//Set statistical field
pDataStatistics.Field = FieldName;
//Get the result of statistics
IStatisticsResults pStatisticsResult = pDataStatistics.Statistics;
if (pStatisticsResult == null)
{
MessageBox.Show("Failed to gather stats on the feature class");
return;
}
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
// pFillSymbol.Color = m_BackGroundColor;
IMarkerSymbol pCharaterMarkerS = new CharacterMarkerSymbolClass();
pCharaterMarkerS = (IMarkerSymbol)m_StyleGallertItem.Item;
pCharaterMarkerS.Size = (int)numericUpDown1.Value;
pCharaterMarkerS.Color = m_BackGroundColor;
IProportionalSymbolRenderer pProportionalSymbolR = new ProportionalSymbolRendererClass();
pProportionalSymbolR.ValueUnit = esriUnits.esriUnknownUnits;
pProportionalSymbolR.Field = FieldName;
pProportionalSymbolR.FlanneryCompensation = false;
pProportionalSymbolR.MinDataValue = pStatisticsResult.Minimum;
pProportionalSymbolR.MaxDataValue = pStatisticsResult.Maximum;
pProportionalSymbolR.BackgroundSymbol = pFillSymbol;
pProportionalSymbolR.MinSymbol = (ISymbol)pCharaterMarkerS;
pProportionalSymbolR.LegendSymbolCount = 5;
pProportionalSymbolR.CreateLegendSymbols();
IRotationRenderer pRotationRenderer = (IRotationRenderer)pProportionalSymbolR;
pRotationRenderer.RotationField = FieldName;
pRotationRenderer.RotationType = esriSymbolRotationType.esriRotateSymbolGeographic;
//Set the states layer renderer to the proportional symbol renderer and refresh the display
pGeoFeatureLayer.Renderer = (IFeatureRenderer)pProportionalSymbolR;
m_MapControl.ActiveView.ContentsChanged();
m_MapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
public void InitRenderer(IMultivariateRenderer pMultiRend)
{
// copy properties from the form to the renderer
if (chkShapePattern.CheckState == System.Windows.Forms.CheckState.Checked)
pMultiRend.ShapePatternRend = m_pShapePatternRend;
else
pMultiRend.ShapePatternRend = null;
if (chkColor.CheckState == System.Windows.Forms.CheckState.Checked)
{
pMultiRend.ColorRend1 = m_pColorRend1;
pMultiRend.ColorRend2 = m_pColorRend2;
pMultiRend.ColorCombinationMethod = m_eColorCombinationMethod;
}
else
{
pMultiRend.ColorRend1 = null;
pMultiRend.ColorRend2 = null;
pMultiRend.ColorCombinationMethod = EColorCombinationType.enuCIELabMatrix; // default (?)
}
if (chkSize.CheckState == System.Windows.Forms.CheckState.Checked)
pMultiRend.SizeRend = m_pSizeRend;
else
pMultiRend.SizeRend = null;
IRotationRenderer pRotRend = null;
IRotationRenderer pFormRotRend = null;
pRotRend = pMultiRend as IRotationRenderer;
if (chkRotation.CheckState == System.Windows.Forms.CheckState.Checked)
{
pFormRotRend = m_pRend as IRotationRenderer;
pRotRend.RotationField = pFormRotRend.RotationField;
pRotRend.RotationType = pFormRotRend.RotationType;
}
else
{
pRotRend.RotationField = "";
pRotRend.RotationType = esriSymbolRotationType.esriRotateSymbolArithmetic; // default (?)
}
//ITransparencyRenderer pTransRend = null;
//ITransparencyRenderer pFormTransRend = null;
//pTransRend = pMultiRend as ITransparencyRenderer;
//if (chkTransparency.CheckState == System.Windows.Forms.CheckState.Checked)
//{
// pFormTransRend = m_pRend as ITransparencyRenderer;
// pTransRend.TransparencyField = pFormTransRend.TransparencyField;
//}
//else
// pTransRend.TransparencyField = "";
}
/// <summary>
/// Handles the Click event of the buttonMakeLayer control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void buttonMakeLayer_Click(object sender, EventArgs e)
{
IFeatureClass featureClass = this.PhotoTable.ToFeatureClass();
if (this.MxDocument != null && featureClass != null)
{
IFeatureLayer layer = new FeatureLayerClass();
layer.Name = "GPS Photos - " + DateTime.Now.ToString();
layer.FeatureClass = featureClass;
// set the hotlink to the FullPath field
IHotlinkContainer hotlink = (IHotlinkContainer)layer;
hotlink.HotlinkField = "FullPath";
hotlink.HotlinkType = esriHyperlinkType.esriHyperlinkTypeURL;
IHTMLPopupInfo htmlPopupInfo = (IHTMLPopupInfo)layer;
htmlPopupInfo.HTMLPopupEnabled = true;
string xsl = this.ReadDefaultXSLT();
if (!string.IsNullOrEmpty(xsl))
{
htmlPopupInfo.HTMLPresentationStyle = esriHTMLPopupStyle.esriHTMLPopupStyleXSLStylesheet;
htmlPopupInfo.HTMLXSLStylesheet = xsl;
}
else
{
htmlPopupInfo.HTMLPresentationStyle = esriHTMLPopupStyle.esriHTMLPopupStyleTwoColumnTable;
}
IGeoFeatureLayer geoFeatureLayer = (IGeoFeatureLayer)layer;
ISimpleRenderer renderer = new SimpleRendererClass();
renderer.Label = "Photo Locations";
renderer.Symbol = this.GetGPSPhotoSymbol();
IRotationRenderer rotationRenderer = (IRotationRenderer)renderer;
rotationRenderer.RotationField = "MagneticNorth";
rotationRenderer.RotationType = esriSymbolRotationType.esriRotateSymbolGeographic;
geoFeatureLayer.Renderer = (IFeatureRenderer)renderer;
this.MxDocument.FocusMap.AddLayer((ILayer)layer);
this.MxDocument.UpdateContents();
this.Close();
}
}
/// <summary>
/// 清空地图要素选集
/// </summary>
/// <param name="pEditor">当前编辑接口</param>
/// <returns>无效区域（需要重绘）</returns>
//public static IInvalidArea3 ClearSelection(IEditor pEditor)
//{
// IInvalidArea3 pInvalidArea = new InvalidAreaClass();
// pInvalidArea.Display = pEditor.Display;
// IEnumFeature pEnum = (IEnumFeature)pEditor.Map.FeatureSelection;
// IFeature pFeature = null;
// while ((pFeature = pEnum.Next()) != null) { pInvalidArea.Add(pFeature); }
// pEditor.Map.ClearSelection();
// return pInvalidArea;
//}
/// <summary>
/// 设置旋转要素所在图层的旋转字段,建议使用mxd设置
/// </summary>
/// <param name="sRotationField">字段</param>
public static void SetRotateRenderer(string sRotationField)
{
IEnumLayer pEnumLayer = GeoDbUtils.GetFeatureLayers(true);
IFeatureLayer pfLayer = null;
while ((pfLayer = (IFeatureLayer)pEnumLayer.Next()) != null)
{
IFeatureClass pfClass = pfLayer.FeatureClass;
if (pfClass != null && pfClass.ShapeType == esriGeometryType.esriGeometryPoint)
{
if (pfClass.FindField(sRotationField) != -1)
{
IGeoFeatureLayer pGeofLayer = (IGeoFeatureLayer)pfLayer;
IRotationRenderer pRotRenderer = (IRotationRenderer)pGeofLayer.Renderer;
pRotRenderer.RotationField = sRotationField;
pRotRenderer.RotationType = esriSymbolRotationType.esriRotateSymbolArithmetic;
}
}
}
}
//*********************************************************************************
//** 函 数 名：FunReadRotation
//** 输 入：
//** 输 出：
//** 功能描述：读取RotationRenderer
//** 全局变量：
//** 调用模块：
//*********************************************************************************
private void FunReadRotation()
{
IFeatureRenderer pRenderer;
IGeoFeatureLayer pGeoFeatureLayer;
pGeoFeatureLayer = (IGeoFeatureLayer)m_FeatureLayer;
pRenderer = pGeoFeatureLayer.Renderer;
m_RotationRenderer = (IRotationRenderer)pRenderer;
if (m_RotationRenderer != null)
{
try
{
if (m_RotationRenderer.RotationField != "")
{
this.CmbField.Text = m_RotationRenderer.RotationField;
}
else
{
this.CmbField.Text = "<无>";
}
if (m_RotationRenderer.RotationField == esriSymbolRotationType.esriRotateSymbolGeographic.ToString())
{
this.rdoGeographic.Checked = true;
}
else
{
this.rdoMath.Checked = true;
}
}
catch (Exception)
{
}
}
}
public void InitControls(IMultivariateRenderer pMultiRend, IMap pMap, IGeoFeatureLayer pGeoLayer)
{
// copy properties from the renderer and map to the form
m_eColorCombinationMethod = pMultiRend.ColorCombinationMethod;
m_pShapePatternRend = pMultiRend.ShapePatternRend;
m_pColorRend1 = pMultiRend.ColorRend1;
m_pColorRend2 = pMultiRend.ColorRend2;
m_pSizeRend = pMultiRend.SizeRend;
if (m_pShapePatternRend != null)
{
chkShapePattern.CheckState = System.Windows.Forms.CheckState.Checked;
cboShapePattern.Enabled = true;
}
if (m_eColorCombinationMethod == EColorCombinationType.enuComponents)
{
radComponents.Checked = true;
radCombination.Checked = false;
UpdateColorComb();
}
else
{
//disabled
//radComponents.Checked = false;
//radCombination.Checked = true;
radComponents.Checked = true;
radCombination.Checked = false;
UpdateColorComb();
}
if (m_pColorRend1 != null)
{
chkColor.CheckState = System.Windows.Forms.CheckState.Checked;
radComponents.Enabled = true;
//disabled
//radCombination.Enabled = true;
radCombination.Enabled = false;
}
if (m_pSizeRend != null)
{
chkSize.CheckState = System.Windows.Forms.CheckState.Checked;
cboSize1.Enabled = true;
}
IRotationRenderer pRotRend = null;
pRotRend = pMultiRend as IRotationRenderer;
if (pRotRend.RotationField != "")
{
chkRotation.CheckState = System.Windows.Forms.CheckState.Checked;
butRotation.Enabled = true;
}
//ITransparencyRenderer pTransRend = null;
//pTransRend = pMultiRend as ITransparencyRenderer;
//if (pTransRend.TransparencyField != "")
//{
// chkTransparency.CheckState = System.Windows.Forms.CheckState.Checked;
// butTransparency.Enabled = true;
//}
m_pMap = pMap;
m_pCurrentLayer = pGeoLayer;
m_pRend = pMultiRend as IFeatureRenderer; // we need this object to support the root transparency dialogs
m_PageIsDirty = false;
}