//
//获取地图状态信息
//
private void GetStatusXY(double mapX, double mapY)
{
try
{
if (this._barItemXY != null)
{
ISpatialReference spatialReference = this._mapControl.SpatialReference;
if (spatialReference != null)
{
if (spatialReference is IProjectedCoordinateSystem)
{
IProjectedCoordinateSystem projectedCoordinateSystem = spatialReference as IProjectedCoordinateSystem;
IPoint point = new PointClass();
point.SpatialReference = spatialReference;
point.X = mapX;
point.Y = mapY;
point.Project(projectedCoordinateSystem.GeographicCoordinateSystem);
double lon = point.X;
double lat = point.Y;
int lon_degree = (int)Math.Floor(Convert.ToDecimal(lon));
int lat_degree = (int)Math.Floor(Convert.ToDecimal(lat));
lon = (lon - lon_degree) * 60;
lat = (lat - lat_degree) * 60;
int lon_m = (int)Math.Floor(Convert.ToDecimal(lon));
int lat_m = (int)Math.Floor(Convert.ToDecimal(lat));
lon = (lon - lon_m) * 60;
lat = (lat - lat_m) * 60;
int lon_s = (int)Math.Floor(Convert.ToDecimal(lon));
int lat_s = (int)Math.Floor(Convert.ToDecimal(lat));
string strLon = "";
string strLat = "";
if (lon_degree > 0)
{
strLon = lon_degree + "° " + lon_m + "′ " + lon_s + "″ E";
}
else
{
strLon = lon_degree + "° " + lon_m + "′ " + lon_s + "″ E";
}
if (lat_degree > 0)
{
strLat = lat_degree + "° " + lat_m + "′ " + lat_s + "″ N";
}
else
{
strLat = lat_degree + "° " + lat_m + "′ " + lat_s + "″ N";
}
this._barItemXY.Caption = string.Format("坐标：{0},{1}", strLon, strLat);
}
}
else
{
this._barItemXY.Caption = string.Format("坐标：{0},{1}", mapX, mapY);
}
}
if (this._barItemRaster != null)
{
this._barItemRaster.Visibility = BarItemVisibility.Never;
if (this._rasterLayer != null)
{
IRaster2 raster = this._rasterLayer.Raster as IRaster2;
IPoint point = new PointClass();
point.X = mapX;
point.Y = mapY;
point.SpatialReference = this._spatialReference;
ISpatialReference spatialReference = (raster as IGeoDataset).SpatialReference;
if (!EngineAPI.IsEqualSpatialReference(this._spatialReference, spatialReference))
{
point.Project(spatialReference);
}
int colum;
int row;
raster.MapToPixel(point.X, point.Y, out colum, out row);
if (colum >= 0 && colum <= this._rasterLayer.ColumnCount && row >= 0 && row <= this._rasterLayer.RowCount)
{
this._barItemRaster.Visibility = BarItemVisibility.Always;
double value = CommonAPI.ConvertToDouble(raster.GetPixelValue(0, colum, row));
this._barItemRaster.Caption = string.Format("行：{0}, 列：{1}, 像素值：{2}", row, colum, value);
}
}
}
}
catch (Exception ex)
{
Log.WriteLog(typeof(GFSApplication), ex);
}
}
private bool LoadROI(string inSample, out string msg)
{
try
{
msg = "";
if (roiLayerDic.Count > 0)
{
roiLayerDic.Clear();
}
if (!string.IsNullOrEmpty(inSample) && File.Exists(inSample))
{
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.Load(inSample);
XmlNode xmlNode = xmlDocument.SelectSingleNode("RegionsOfInterest");
if (xmlNode == null)
{
msg = "ROI内容为空！";
return(false);
}
for (int i = 0; i < xmlNode.ChildNodes.Count; i++)
{
XmlNode xmlNode2 = xmlNode.ChildNodes[i];
string value = xmlNode2.Attributes[0].Value;
string value2 = xmlNode2.Attributes[1].Value;
string[] array = value2.Split(new char[]
{
','
});
int red = CommonAPI.ConvertToInt(array[0]);
int green = CommonAPI.ConvertToInt(array[1]);
int blue = CommonAPI.ConvertToInt(array[2]);
IRgbColor color = new RgbColorClass
{
Red = red,
Green = green,
Blue = blue
};
ROILayerClass rOILayerClass = new ROILayerClass();
rOILayerClass.ID = ((roiLayerDic.Keys.Count == 0) ? 1 : (roiLayerDic.Keys.Max() + 1));
rOILayerClass.Name = value;
rOILayerClass.Color = color;
rOILayerClass.ElementList = new List <ROIElementClass>();
roiLayerDic.Add(rOILayerClass.ID, rOILayerClass);
string innerText = xmlNode2.SelectSingleNode("GeometryDef/CoordSysStr").InnerText;
spatialReference = EngineAPI.GetSpatialRefFromPrjStr(innerText);
XmlNodeList xmlNodeList = xmlNode2.SelectNodes("GeometryDef/Polygon/Exterior/LinearRing/Coordinates");
for (int j = 0; j < xmlNodeList.Count; j++)
{
IPointCollection pointCollection = new PolygonClass();
string innerText2 = xmlNodeList[j].InnerText;
string[] array2 = innerText2.Split(new char[]
{
' '
});
int num = array2.Length / 2;
for (int k = 0; k < num; k++)
{
IPoint point = new PointClass();
double x = CommonAPI.ConvertToDouble(array2[2 * k]);
double y = CommonAPI.ConvertToDouble(array2[2 * k + 1]);
point.PutCoords(x, y);
object value3 = Missing.Value;
object value4 = Missing.Value;
pointCollection.AddPoint(point, ref value3, ref value4);
}
IPolygon polygon = pointCollection as IPolygon;
polygon.FromPoint = pointCollection.get_Point(0);
polygon.ToPoint = pointCollection.get_Point(pointCollection.PointCount - 1);
if (spatialReference == null)
{
spatialReference = new UnknownCoordinateSystemClass();
}
polygon.SpatialReference = spatialReference;
polygon.Close();
IElement element = new PolygonElementClass();
element.Geometry = polygon;
ROIElementClass rOIElementClass = new ROIElementClass
{
Element = element,
Checked = true
};
rOILayerClass.ElementList.Add(rOIElementClass);
}
}
}
return(true);
}
catch (Exception ex)
{
msg = ex.Message;
return(false);
}
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
if (Button == 1)
{
List <ILayer> layers = EngineAPI.GetLayers(this.m_hookHelper.FocusMap, "{6CA416B1-E160-11D2-9F4E-00C04F6BC78E}", null);
if (layers.Count == 0)
{
IdentifyManager.instance.FrmIdentify.Close();
IdentifyManager.instance.FrmIdentify = null;
EnviVars.instance.MapControl.CurrentTool = null;
EnviVars.instance.MapControl.MousePointer = esriControlsMousePointer.esriPointerDefault;
}
else
{
foreach (ILayer current in layers)
{
IIdentify identify = current as IIdentify;
IPoint point = this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
IArray array = identify.Identify(point);
if (array != null && array.Count != 0)
{
IdentifyManager.instance.FrmIdentify.treeList1.ClearNodes();
IIdentifyObj identifyObj = array.get_Element(0) as IIdentifyObj;
identifyObj.Flash(this.m_hookHelper.ActiveView.ScreenDisplay);
TreeListNode treeListNode = IdentifyManager.instance.FrmIdentify.treeList1.AppendNode(new object[]
{
identifyObj.Layer.Name
}, 0, identifyObj);
DataColumn column = new DataColumn("字段", typeof(string));
DataColumn column2 = new DataColumn("值", typeof(string));
DataTable dataTable = new DataTable();
dataTable.Columns.Add(column);
dataTable.Columns.Add(column2);
if (current is IFeatureLayer)
{
IFeature feature = (identifyObj as IRowIdentifyObject).Row as IFeature;
TreeListNode treeListNode2 = IdentifyManager.instance.FrmIdentify.treeList1.AppendNode(new object[]
{
feature.OID.ToString()
}, treeListNode);
int num = feature.Fields.FindField((current as IFeatureLayer).FeatureClass.ShapeFieldName);
for (int i = 0; i < feature.Fields.FieldCount; i++)
{
if (num != i)
{
DataRow dataRow = dataTable.NewRow();
dataRow["字段"] = feature.Fields.get_Field(i).AliasName;
dataRow["值"] = feature.get_Value(i).ToString();
dataTable.Rows.Add(dataRow);
}
}
treeListNode2.Tag = dataTable;
}
else if (current is IRasterLayer)
{
IRasterLayer rasterLayer = current as IRasterLayer;
IRaster2 raster = rasterLayer.Raster as IRaster2;
int num2 = raster.ToPixelRow(point.Y);
int num3 = raster.ToPixelColumn(point.X);
double num4 = CommonAPI.ConvertToDouble(raster.GetPixelValue(0, num3, num2));
this.AddRow(dataTable, "像素值", num4);
this.AddRow(dataTable, "行号", num2);
this.AddRow(dataTable, "列号", num3);
IRasterIdentifyObj rasterIdentifyObj = array.get_Element(0) as IRasterIdentifyObj;
if (rasterLayer.BandCount != 1)
{
Regex regex = new Regex("\\d{2,3}");
MatchCollection matchCollection = regex.Matches(rasterIdentifyObj.MapTip);
if (matchCollection.Count == 3)
{
this.AddRow(dataTable, "R", matchCollection[0].Value);
this.AddRow(dataTable, "G", matchCollection[1].Value);
this.AddRow(dataTable, "B", matchCollection[2].Value);
}
}
IdentifyManager.instance.FrmIdentify.treeList1.AppendNode(new object[]
{
rasterIdentifyObj.Name
}, treeListNode, dataTable);
}
IdentifyManager.instance.FrmIdentify.UpdateStatusText(string.Format("X:{0:0.000 },Y:{1:0.000}", point.X, point.Y));
IdentifyManager.instance.FrmIdentify.treeList1.ExpandAll();
if (treeListNode.Nodes.Count > 0)
{
IdentifyManager.instance.FrmIdentify.treeList1.FocusedNode = treeListNode.Nodes[0];
}
IdentifyManager.instance.FrmIdentify.Show();
break;
}
IdentifyManager.instance.FrmIdentify.Close();
IdentifyManager.instance.FrmIdentify = null;
}
}
}
}
