public static IEnvelope GetSearchEnvelope(IActiveView pActiveView, IPoint pPoint)
{
try
{
double num = 6.0;
IEnvelope visibleBounds = null;
if (pActiveView != null)
{
IDisplayTransformation displayTransformation = pActiveView.ScreenDisplay.DisplayTransformation;
visibleBounds = displayTransformation.VisibleBounds;
tagRECT deviceFrame = displayTransformation.get_DeviceFrame();
double height = 0.0;
long num3 = 0L;
height = visibleBounds.Height;
num3 = deviceFrame.bottom - deviceFrame.top;
double num4 = 0.0;
num4 = height / ((double)num3);
num *= num4;
}
if (pPoint == null)
{
return(null);
}
visibleBounds = pPoint.Envelope;
visibleBounds.Width = num;
visibleBounds.Height = num;
visibleBounds.CenterAt(pPoint);
return(visibleBounds);
}
catch (Exception)
{
return(null);
}
}
void ESRI.ArcGIS.Display.IMarkerMask.QueryMarkerMask(int hDC, ITransformation Transform, IGeometry Geometry,
IPolygon Boundary)
{
if (!(Geometry == null | Boundary == null))
{
if (Transform is IDisplayTransformation)
{
if (Geometry is IPoint)
{
Boundary.SetEmpty();
IPoint geometry = Geometry as IPoint;
IDisplayTransformation transform = (IDisplayTransformation)Transform;
this.QueryBoundsFromGeom(hDC, ref transform, ref Boundary, ref geometry);
ITopologicalOperator boundary = Boundary as ITopologicalOperator;
if (!boundary.IsKnownSimple)
{
if (!boundary.IsSimple)
{
boundary.Simplify();
}
}
}
}
}
}
public unsafe ITransformation CreateTransFromDC(int iWidth, int iHeight, long lDpi)
{
try
{
if (iWidth == 0)
{
return(null);
}
if (iHeight == 0)
{
return(null);
}
if (lDpi == 0L)
{
return(null);
}
IEnvelope envelope = null;
envelope = new EnvelopeClass();
envelope.PutCoords(0.0, 0.0, (double)iWidth, (double)iHeight);
tagRECT grect = new tagRECT();
IDisplayTransformation transformation = null;
transformation = new DisplayTransformationClass();
IDisplayTransformation transformation2 = transformation;
transformation2.VisibleBounds = envelope;
transformation2.Bounds = envelope;
transformation2.set_DeviceFrame(ref grect);
transformation2.Resolution = lDpi;
return(transformation);
}
catch (Exception exception)
{
this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.SymbolFun", "CreateTransFromDC", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
return(null);
}
}
private void InitializeMembers()
{
this.m_lhDC = 0;
this.m_lOldPen = 0;
this.m_lPen = 0;
this.m_lOldBrush = 0;
this.m_lBrushTop = 0;
this.m_lBrushLeft = 0;
this.m_lBrushRight = 0;
this.m_dDeviceRadius = 0;
this.m_trans = null;
IColor rGBColor = null;
rGBColor = Converter.ToRGBColor(System.Drawing.Color.Red);
this.m_colorTop = ((IClone)rGBColor).Clone() as IColor;
rGBColor = Converter.ToRGBColor(System.Drawing.Color.OrangeRed);
this.m_colorLeft = ((IClone)rGBColor).Clone() as IColor;
rGBColor = Converter.ToRGBColor(System.Drawing.Color.Pink);
this.m_colorRight = ((IClone)rGBColor).Clone() as IColor;
rGBColor = Converter.ToRGBColor(System.Drawing.Color.Black);
this.m_colorBorder = ((IClone)rGBColor).Clone() as IColor;
this.m_lROP2 = esriRasterOpCode.esriROPCopyPen;
this.m_dSize = 10;
this.m_dAngle = 0;
this.m_dXOffset = 0;
this.m_dYOffset = 0;
this.m_bRotWithTrans = true;
}
/// <summary>
/// 将像素转换成地图单元
/// </summary>
/// <param name="pActiveView">提供各种转换信息</param>
/// <param name="pixelUnits">像素单元</param>
/// <returns>像素单元大小</returns>
public static double ConvertPixelsToMapUnits(IActiveView pActiveView, double pixelUnits)
{
if (pActiveView == null)
{
return(-1);
}
//获取 the ScreenDisplay
IScreenDisplay screenDisplay = pActiveView.ScreenDisplay;
//获取 DisplayTransformation
IDisplayTransformation displayTransformation = screenDisplay.DisplayTransformation;
//获取一个设备帧并用它来获得x轴方向上的像素数
tagRECT deviceRECT = displayTransformation.get_DeviceFrame();
int pixelExtent = (deviceRECT.right - deviceRECT.left);
//获取当前可是区域的地图范围
IEnvelope envelope = displayTransformation.VisibleBounds;
double realWorldDisplayExtent = envelope.Width;
//计算一个像素大小
if (pixelExtent == 0)
{
return(-1);
}
double sizeOfOnePixel = (realWorldDisplayExtent / pixelExtent);
//得出像素单元大小
return(pixelUnits * sizeOfOnePixel);
}
private IEnvelope Envelope_Search(IActiveView activeView)
{
IArea Area;
IEnvelope pEnvelope;
IRubberBand rubberEnv;
IGeometry geom;
rubberEnv = new RubberEnvelopeClass();
geom = rubberEnv.TrackNew(activeView.ScreenDisplay, null);
geom.SpatialReference = Map.SpatialReference;
pEnvelope = geom.Envelope;
Area = (IArea)pEnvelope;
if (pEnvelope.IsEmpty || Area.Area == 0)
{
pEnvelope = new EnvelopeClass();
////////////////////////////////////////////////////////////////////////////////////////
ESRI.ArcGIS.esriSystem.tagRECT RECT = new tagRECT();
RECT.bottom = 0;
RECT.left = 0;
RECT.right = 5;
RECT.top = 5;
IDisplayTransformation dispTrans = activeView.ScreenDisplay.DisplayTransformation;
dispTrans.TransformRect(pEnvelope, RECT, 4);
pEnvelope.CenterAt(clickedPoint);
}
return(pEnvelope);
}
/// <summary>
/// Initializes the specified data table.
/// </summary>
/// <param name="dataTable">The data table.</param>
/// <param name="map">The map.</param>
public void Initialize(DataTable dataTable, IMap map)
{
this._dt = dataTable;
this._map = map;
this._displayTrans = (this._map as IActiveView).ScreenDisplay.DisplayTransformation;
this._PageRow = this._dt.Rows.Count;
if (this._PageRow % this._Pagesize > 0)
{
this._PageCount = this._PageRow / this._Pagesize + 1;
}
else
{
this._PageCount = this._PageRow / this._Pagesize;
}
this.dataNavigator.TextStringFormat = string.Format("第 {0} 页,共 {1} 页", _PageIndex, _PageCount);
DataTable dataSource = this._dt.AsEnumerable().Take(this._Pagesize).CopyToDataTable <DataRow>();
this.gridView.Columns.Clear();
this.gridControl.DataSource = dataSource;
this.dataNavigator.Buttons.CustomButtons[0].Enabled = false;
this.dataNavigator.Buttons.CustomButtons[1].Enabled = false;
if (this._PageCount > 1)
{
this.dataNavigator.Buttons.CustomButtons[2].Enabled = true;
this.dataNavigator.Buttons.CustomButtons[3].Enabled = true;
}
else
{
this.dataNavigator.Buttons.CustomButtons[2].Enabled = false;
this.dataNavigator.Buttons.CustomButtons[3].Enabled = false;
}
}
static void SelectFeaturesScreenPoint(IMap pMap, int x, int y, int pixelTol)
{
tagRECT r;
//Construct a small rectangle out of the x,y coordinates' pixel tolerance.
r.left = x - pixelTol; //Upper left x, top left is 0,0.
r.top = y - pixelTol; //Upper left y, top left is 0,0.
r.right = x + pixelTol; //Lower right x, top left is 0,0.
r.bottom = y + pixelTol; //Lower right y, top left is 0,0.
//Transform the device rectangle into a geographic rectangle via the display transformation.
IEnvelope pEnvelope = new EnvelopeClass();
IActiveView pActiveView = pMap as IActiveView;
IDisplayTransformation pDisplayTrans = pActiveView.ScreenDisplay.DisplayTransformation;
pDisplayTrans.TransformRect(pEnvelope, ref r, 5);
//5 = esriTransformPosition + esriTransformToMap.
pEnvelope.SpatialReference = pMap.SpatialReference;
//ISelectionEnvironment pSelectionEnvironment = new SelectionEnvironmentClass();
//pSelectionEnvironment.CombinationMethod =
// esriSelectionResultEnum.esriSelectionResultNew;
//pMap.SelectByShape(pEnvelope, pSelectionEnvironment, false);
}
public override void Execute()
{
if (!(this.Hook is IDFApplication))
{
return;
}
else
{
m_App = (IDFApplication)this.Hook;
}
try
{
m_MapControl = m_App.CurrentMapControl;
m_ActiveView = m_App.CurrentMapControl.ActiveView;
m_FocusMap = m_ActiveView.FocusMap;
UltraToolbarsManager tbManager;
tbManager = m_App.Workbench.CommandBarManager;
ComboBoxTool tbUltraCombo;
tbUltraCombo = (ComboBoxTool)tbManager.Tools["2dmap.Scale"];
IDisplayTransformation pDisplayTransform = m_App.CurrentMapControl.ActiveView.ScreenDisplay.DisplayTransformation;
pDisplayTransform.ScaleRatio = tbUltraCombo.Value == null?1000:double.Parse(tbUltraCombo.Value.ToString());
m_ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, m_MapControl.Extent);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + ex.StackTrace);
}
}
void m_TransformEvents_VisibleBoundsUpdated(IDisplayTransformation sender, bool sizeChanged)
{
Url = "";
// MessageBox.Show(Url);
GoogleMap();
double Ax = 0;
double Ay = 0;
double Az = 0;
double Bx = 0;
double By = 0;
double Bz = 0;
Ax = Math.Truncate(pCenterPt.X);
double Temp = pCenterPt.X - Ax;
Temp = Temp * 60;
Ay = Math.Truncate(Temp);
Az = Temp - Ay;
Bx = Math.Truncate(pCenterPt.Y);
Temp = pCenterPt.Y - Bx;
Temp = Temp * 60;
By = Math.Truncate(Temp);
Bz = (Temp - By);
Ay += Az;
By += Bz;
Url = "http://maps.google.com/maps?q=" + Bx + "+" + By + "'+N,+" + Ax + "+" + Ay + "'+E&hl=en&geocode=+&t=h&z=12";
WebBrowser_Map.Navigate(Url);
return;
E:
return;
}
private void axMapControl1_OnAfterScreenDraw(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnAfterScreenDrawEvent e)
{
IActiveView pAcv = axPageLayoutControl1.ActiveView.FocusMap as IActiveView;
IDisplayTransformation displayTransformation = pAcv.ScreenDisplay.DisplayTransformation;
displayTransformation.VisibleBounds = axMapControl1.Extent;//设置焦点地图的可视范围
GeomapLoad.CopyAndOverwriteMap(axMapControl1, axPageLayoutControl1);
}
private void Terminate()
{
this.m_trans = null;
this.m_colorTop = null;
this.m_colorLeft = null;
this.m_colorRight = null;
this.m_colorBorder = null;
}
private void axMapControl1_OnAfterScreenDraw(object sender, IMapControlEvents2_OnAfterScreenDrawEvent e)
{
IActiveView pActiveView = axPageLayoutControl1.ActiveView.FocusMap as IActiveView;
IDisplayTransformation displayTransformation = pActiveView.ScreenDisplay.DisplayTransformation;
displayTransformation.VisibleBounds = axMapControl1.Extent;
axPageLayoutControl1.ActiveView.Refresh();
BasicMethod.CopyAndOverwriteMap(axMapControl1, axPageLayoutControl1);
}
public void repGeoMap()
{
IActiveView pActiveView = axPageLayoutControl1.ActiveView.FocusMap as IActiveView;
IDisplayTransformation displayTransformation = pActiveView.ScreenDisplay.DisplayTransformation;
displayTransformation.VisibleBounds = axMapControl1.Extent;
axPageLayoutControl1.ActiveView.Refresh();
CopyAndWriteMap();
}
private void mapControl_OnAfterScreenDraw(object sender, IMapControlEvents2_OnAfterScreenDrawEvent e)
{
IActiveView activeView = (IActiveView)pagelayoutcontrol.ActiveView.FocusMap; //axPageLayoutControl1的活动视图的地图
IDisplayTransformation displayTransformation = activeView.ScreenDisplay.DisplayTransformation; //活动视图的屏幕显示的显示信息
displayTransformation.VisibleBounds = mapControl.Extent; //将axMapControl1的范围赋值给axPageLayoutControl1的范围
pagelayoutcontrol.ActiveView.Refresh(); //刷新axPageLayoutControl1的活动视图
copyToPageLayout(); //将axMapControl1的地图拷贝到axPageLayoutControl1中
}
/// <summary>
/// nDeviceFrameUpdated event handler
/// </summary>
/// <param name="sender"></param>
/// <param name="sizeChanged"></param>
private void OnDeviceFrameUpdated(IDisplayTransformation sender, bool sizeChanged)
{
//update the device frame rectangle
m_deviceFrame = sender.get_DeviceFrame();
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
//make sure to switch into dynamic mode
m_dynamicMap = (IDynamicMap)m_hookHelper.FocusMap;
if (!m_dynamicMap.DynamicMapEnabled)
m_dynamicMap.DynamicMapEnabled = true;
//do initializations
if (m_bOnce)
{
//generate the navigation data
GenerateNavigationData();
m_displayTransformation = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation;
m_bOnce = false;
}
//hook the dynamic display events
if (!m_bIsRunning)
{
((IDynamicMapEvents_Event)m_dynamicMap).DynamicMapFinished += new IDynamicMapEvents_DynamicMapFinishedEventHandler(OnTimerElapsed);
((IDynamicMapEvents_Event)m_dynamicMap).AfterDynamicDraw += new IDynamicMapEvents_AfterDynamicDrawEventHandler(OnAfterDynamicDraw);
}
else
{
((IDynamicMapEvents_Event)m_dynamicMap).DynamicMapFinished -= new IDynamicMapEvents_DynamicMapFinishedEventHandler(OnTimerElapsed);
((IDynamicMapEvents_Event)m_dynamicMap).AfterDynamicDraw -= new IDynamicMapEvents_AfterDynamicDrawEventHandler(OnAfterDynamicDraw);
}
//set the running flag
m_bIsRunning = !m_bIsRunning;
}
private void OnVisibleBoundsUpdated(IDisplayTransformation sender, bool sizeChanged)
{
//Set the extent to the new visible extent
m_Envelope = sender.VisibleBounds;
//Refresh the MapControl's foreground phase
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewForeground, null, null);
}
/// <summary>
/// Initialize the synthetic data of the layer
/// </summary>
private void IntializeLayerData (IDisplayTransformation displayTransformation)
{
try
{
//get the map's fitted bounds
IEnvelope extent = displayTransformation.FittedBounds;
//calculate the step for which will be used to increment the items
double XStep = extent.Width / 5000.0;
double YStep = extent.Height / 5000.0;
Random rnd = new Random ();
double stepX, stepY;
//generate the items
for (int i = 0; i < m_nNumOfItems; i++)
{
//calculate the step for each item
stepX = XStep * rnd.NextDouble ();
stepY = YStep * rnd.NextDouble ();
//create new record
DataRow r = NewItem ();
//set the item's coordinate
r[1] = extent.XMin + rnd.NextDouble () * (extent.XMax - extent.XMin);
r[2] = extent.YMin + rnd.NextDouble () * (extent.YMax - extent.YMin);
//set the item's steps
r[3] = stepX;
r[4] = stepY;
//calculate the heading
r[5] = (360.0 + 90.0 - Math.Atan2 (stepY, stepX) * 180 / Math.PI) % 360.0;
//add a type ID in order to define the symbol for the item
switch (i % 3)
{
case 0:
r[6] = 0;
break;
case 1:
r[6] = 1;
break;
case 2:
r[6] = 2;
break;
}
//add the new item record to the table
AddItem (r);
}
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine (ex.Message);
}
}
private double PointsToMap(IDisplayTransformation displayTransform, double dPointSize)
{
double tempPointsToMap = 0;
if (displayTransform == null)
tempPointsToMap = dPointSize * m_dDeviceRatio;
else
{
tempPointsToMap = displayTransform.FromPoints(dPointSize);
}
return tempPointsToMap;
}
