private void mapControl_BeforeLayerDraw(object sender, AxMapObjects2._DMapEvents_BeforeLayerDrawEvent e)
{
if (e.index == this.mapControl.Layers.Count - 1)
{
//绘制导航地图中的视图范围框线
frmNavigation.Instance.DrawMainMapViewExtent(this.mapControl.Extent);
//更新比例尺
MapUtil.MapOperation oMapOper = new MapUtil.MapOperation();
this._mapScale = oMapOper.ComputeMapScale(this.mapControl);
this.lblScale.Text = string.Format("比例尺 ： 1 : {0}", this._mapScale.ToString());
}
object oLayer = this.mapControl.Layers.Item(e.index);
int iMinScale = 0;
int iMaxScale = 0;
string[] sScales = new string[2];
if (oLayer is MapObjects2.MapLayer)
{
sScales = (oLayer as MapLayer).Tag.Split('-');
iMinScale = int.Parse(sScales[0]);
iMaxScale = int.Parse(sScales[1]);
if (iMinScale == 0 && iMaxScale == 0)
{
return;
}
if (this._mapScale >= iMinScale && this._mapScale <= iMaxScale)
{
(oLayer as MapLayer).Visible = true;
}
else
{
(oLayer as MapLayer).Visible = false;
}
}
else if (oLayer is MapObjects2.ImageLayer)
{
sScales = (oLayer as ImageLayer).Tag.Split('-');
iMinScale = int.Parse(sScales[0]);
iMaxScale = int.Parse(sScales[1]);
if (iMinScale == 0 && iMaxScale == 0)
{
return;
}
if (this._mapScale >= iMinScale && this._mapScale <= iMaxScale)
{
(oLayer as ImageLayer).Visible = true;
}
else
{
(oLayer as ImageLayer).Visible = false;
}
}
}
private void mnuAddLayers_Click(object sender, EventArgs e)
{
OpenFileDialog oFileDialog = new OpenFileDialog();
oFileDialog.Filter = "ESRI Shapefile(*.shp) | *.shp| All Support Format(*.*) | *.*";
oFileDialog.Multiselect = true;
if (oFileDialog.ShowDialog() == DialogResult.OK)
{
MapUtil.MapOperation oMapOper = new MapUtil.MapOperation();
List<string> oLayerPaths = new List<string>(oFileDialog.FileNames);
oMapOper.LoadLayers(oLayerPaths, GlobeVariables.MapInfosCollection, GlobeVariables.MapControl);
frmLegend.Instance.LoadLayer();
frmNavigation.Instance.LoadBackgroudLayer(GlobeVariables.MapInfosCollection.Layers);
}
}
private void mnuAddLayers_Click(object sender, EventArgs e)
{
OpenFileDialog oFileDialog = new OpenFileDialog();
oFileDialog.Filter = "ESRI Shapefile(*.shp) | *.shp| All Support Format(*.*) | *.*";
oFileDialog.Multiselect = true;
if (oFileDialog.ShowDialog() == DialogResult.OK)
{
MapUtil.MapOperation oMapOper = new MapUtil.MapOperation();
List <string> oLayerPaths = new List <string>(oFileDialog.FileNames);
oMapOper.LoadLayers(oLayerPaths, GlobeVariables.MapInfosCollection, GlobeVariables.MapControl);
frmLegend.Instance.LoadLayer();
frmNavigation.Instance.LoadBackgroudLayer(GlobeVariables.MapInfosCollection.Layers);
}
}
private void mapControl_MouseDownEvent(object sender, AxMapObjects2._DMapEvents_MouseDownEvent e)
{
MapObjects2.Point oMousePosition = mapControl.ToMapPoint(e.x, e.y);
MapUtil.MapOperation oMapOper = new MapUtil.MapOperation();
switch (GlobeVariables.CurrentOperation)
{
case MapUtil.MapOperationType.ZoomIn:
oMapOper.ZoomInMap(mapControl.TrackRectangle(), ref mapControl);
break;
case MapUtil.MapOperationType.ZoomOut:
oMapOper.ZoomOutMap(mapControl.TrackRectangle(), ref mapControl);
break;
case MapUtil.MapOperationType.Pan:
mapControl.Pan();
break;
case MapUtil.MapOperationType.Measure:
this._measureLine = mapControl.TrackLine();
this.labMeasure.Text = string.Format("长度 ： {0} 米", oMapOper.ComputeDistance(this._measureLine).ToString());
break;
case MapUtil.MapOperationType.Identify:
MapUtil.FeatureInformations oFeatureInfos = oMapOper.GetIdentifyFeatureInfos(oMousePosition, this.mapControl, GlobeVariables.MapInfosCollection);
this._frmIdentify.UpdateFeatureInfos(oFeatureInfos, MousePosition);
break;
case MapUtil.MapOperationType.FetchPoint:
this.OnPointFetched(oMousePosition);
break;
default:
break;
}
}
//public void LoadLayersToLegendControl(ProjectUtil.MapStruct mapInfosCollection, System.Windows.Forms.ImageList imageList, ref System.Windows.Forms.TreeView legendControl)
//{
// if (legendControl.Nodes.Count == 0)
// legendControl.Nodes.Add("layergroup", "ͼ��", imageList.Images.IndexOfKey("layergroup"));
// string sShapeType = string.Empty;
// foreach (ProjectUtil.ILayerStruct item in mapInfosCollection.Layers)
// {
// if (item is ProjectUtil.MapLayerInfoStruct)
// {
// sShapeType = ((MapObjects2.ShapeTypeConstants)(item as ProjectUtil.MapLayerInfoStruct).ShapeType).ToString();
// legendControl.Nodes[0].Nodes.Add(sShapeType,item.AliasName, imageList.Images.IndexOfKey(sShapeType));
// }
// else if (item is ProjectUtil.ImageLayerInfoStruct)
// {
// legendControl.Nodes[0].Nodes.Add("ImageLayer", item.AliasName, imageList.Images.IndexOfKey("ImageLayer"));
// }
// }
//}
public FeatureInformations GetIdentifyFeatureInfos(MapObjects2.Point mousePosition,AxMapObjects2.AxMap mapControl,MapProject.MapStruct mapInfosCollection)
{
FeatureInformations oFeatureInfos = null;
foreach (ILayerStruct oLayerInfos in mapInfosCollection.Layers)
{
if (oLayerInfos.LayerType != (short)LayerTypeConstants.moMapLayer)
continue;
MapUtil.MapOperation oMapOper = new MapOperation();
MapObjects2.MapLayer oMapLayer = oMapOper.GetLayerByName(mapControl, oLayerInfos.AliasName) as MapObjects2.MapLayer;
if (oMapLayer.Visible == false)
continue;
Recordset oSelectedRecords = oMapLayer.SearchShape(mousePosition,SearchMethodConstants.moAreaIntersect, "");
if (oSelectedRecords.EOF)
continue;
oSelectedRecords.MoveFirst();
oFeatureInfos = new FeatureInformations();
oFeatureInfos.CurrentLayerInfos = oLayerInfos;
oFeatureInfos.Geometry = oSelectedRecords.Fields.Item("shape").Value;
TableDesc oTableDesc = oSelectedRecords.TableDesc;
oFeatureInfos.FieldsAndValuesCollection = new Dictionary<string,string>();
int iFieldsCount = oTableDesc.FieldCount;
string sFieldName = "";
string sValue = "";
for (short i = 0; i < iFieldsCount; i++)
{
sFieldName = oTableDesc.get_FieldName(i);
sValue = oSelectedRecords.Fields.Item(sFieldName).ValueAsString;
oFeatureInfos.FieldsAndValuesCollection.Add(sFieldName, sValue);
}
break;
}
return oFeatureInfos;
}
private void mapControl_BeforeLayerDraw(object sender, AxMapObjects2._DMapEvents_BeforeLayerDrawEvent e)
{
if (e.index == this.mapControl.Layers.Count - 1)
{
//���Ƶ�����ͼ�е���ͼ��Χ����
frmNavigation.Instance.DrawMainMapViewExtent(this.mapControl.Extent);
//���±�����
MapUtil.MapOperation oMapOper = new MapUtil.MapOperation();
this._mapScale = oMapOper.ComputeMapScale(this.mapControl);
this.lblScale.Text = string.Format("������ �� 1 : {0}", this._mapScale.ToString());
}
object oLayer = this.mapControl.Layers.Item(e.index);
int iMinScale = 0;
int iMaxScale = 0;
string[] sScales = new string[2];
if (oLayer is MapObjects2.MapLayer)
{
sScales = (oLayer as MapLayer).Tag.Split('-');
iMinScale = int.Parse(sScales[0]);
iMaxScale = int.Parse(sScales[1]);
if (iMinScale == 0 && iMaxScale == 0) return;
if (this._mapScale >= iMinScale && this._mapScale <= iMaxScale)
{
(oLayer as MapLayer).Visible = true;
}
else
{
(oLayer as MapLayer).Visible = false;
}
}
else if (oLayer is MapObjects2.ImageLayer)
{
sScales = (oLayer as ImageLayer).Tag.Split('-');
iMinScale = int.Parse(sScales[0]);
iMaxScale = int.Parse(sScales[1]);
if (iMinScale == 0 && iMaxScale == 0) return;
if (this._mapScale >= iMinScale && this._mapScale <= iMaxScale)
{
(oLayer as ImageLayer).Visible = true;
}
else
{
(oLayer as ImageLayer).Visible = false;
}
}
}
private void mapControl_MouseDownEvent(object sender, AxMapObjects2._DMapEvents_MouseDownEvent e)
{
MapObjects2.Point oMousePosition = mapControl.ToMapPoint(e.x, e.y);
MapUtil.MapOperation oMapOper = new MapUtil.MapOperation();
switch (GlobeVariables.CurrentOperation)
{
case MapUtil.MapOperationType.ZoomIn:
oMapOper.ZoomInMap(mapControl.TrackRectangle(), ref mapControl);
break;
case MapUtil.MapOperationType.ZoomOut:
oMapOper.ZoomOutMap(mapControl.TrackRectangle(), ref mapControl);
break;
case MapUtil.MapOperationType.Pan:
mapControl.Pan();
break;
case MapUtil.MapOperationType.Measure:
this._measureLine = mapControl.TrackLine();
this.labMeasure.Text = string.Format("���� �� {0} ��", oMapOper.ComputeDistance(this._measureLine).ToString());
break;
case MapUtil.MapOperationType.Identify:
MapUtil.FeatureInformations oFeatureInfos = oMapOper.GetIdentifyFeatureInfos(oMousePosition, this.mapControl,GlobeVariables.MapInfosCollection);
this._frmIdentify.UpdateFeatureInfos(oFeatureInfos, MousePosition);
break;
case MapUtil.MapOperationType.FetchPoint:
this.OnPointFetched(oMousePosition);
break;
default:
break;
}
}
