/// <summary>
/// return all towers
/// </summary>
/// <returns></returns>
public Towers GetTowers()
{
Towers towers = new Towers();
IFeatureWorkspace pFWorkspace = (IFeatureWorkspace)_workspace;
IFeatureClass pTowerFC = pFWorkspace.OpenFeatureClass("Towers");
IFeatureCursor pFcursor = pTowerFC.Search(null, false);
IFeature pFeature = pFcursor.NextFeature();
while (pFeature != null)
{
Tower tower = this.GetTower(pFeature);
towers.Items.Add(tower);
pFeature = pFcursor.NextFeature();
}
return(towers);
}
/// <summary>
/// Generate the tower coverage
/// </summary>
public void GenerateTowerCoverage(Towers pTowers)
{
IWorkspaceEdit pWorkspaceEdit;
pWorkspaceEdit = (IWorkspaceEdit)this._workspace;
try
{
IFeatureWorkspace pFWorkspace = (IFeatureWorkspace)pWorkspaceEdit;
IFeatureClass pTowerRangeFC = pFWorkspace.OpenFeatureClass("TowerRange");
pWorkspaceEdit.StartEditing(true);
pWorkspaceEdit.StartEditOperation();
//delete all ranges , we should later change that to delete only dirty towers
IFeatureCursor pcursor = pTowerRangeFC.Update(null, false);
IFeature pfeaturerange = pcursor.NextFeature();
while (pfeaturerange != null)
{
//we need to change that later
pfeaturerange.Delete();
pfeaturerange = pcursor.NextFeature();
}
foreach (Tower pTower in pTowers.Items)
{
ITopologicalOperator pTopo = (ITopologicalOperator)pTower.TowerLocation;
IPolygon range3Bars = (IPolygon)pTopo.Buffer(pTower.TowerCoverage / 3);
IPolygon range2BarsWhole = (IPolygon)pTopo.Buffer((pTower.TowerCoverage * 2) / 3);
IPolygon range1BarsWhole = (IPolygon)pTopo.Buffer(pTower.TowerCoverage);
ITopologicalOperator pIntTopo = (ITopologicalOperator)range2BarsWhole;
ITopologicalOperator pIntTopo1 = (ITopologicalOperator)range1BarsWhole;
IPolygon range2BarsDonut = (IPolygon)pIntTopo.SymmetricDifference(range3Bars); //,esriGeometryDimension.esriGeometry2Dimension);
IPolygon range1BarsDonut = (IPolygon)pIntTopo1.SymmetricDifference(range2BarsWhole); //,esriGeometryDimension.esriGeometry2Dimension);
IFeature pFeature = pTowerRangeFC.CreateFeature();
pFeature.set_Value(pFeature.Fields.FindField("TOWERID"), "T04");
pFeature.set_Value(pFeature.Fields.FindField("RANGE"), 3);
pFeature.Shape = range3Bars;
pFeature.Store();
IFeature pFeature2Bar = pTowerRangeFC.CreateFeature();
pFeature2Bar.set_Value(pFeature.Fields.FindField("TOWERID"), "T04");
pFeature2Bar.set_Value(pFeature.Fields.FindField("RANGE"), 2);
pFeature2Bar.Shape = range2BarsDonut;
pFeature2Bar.Store();
IFeature pFeature1Bar = pTowerRangeFC.CreateFeature();
pFeature1Bar.set_Value(pFeature1Bar.Fields.FindField("TOWERID"), "T04");
pFeature1Bar.set_Value(pFeature1Bar.Fields.FindField("RANGE"), 1);
pFeature1Bar.Shape = range1BarsDonut;
pFeature1Bar.Store();
}
pWorkspaceEdit.StopEditOperation();
pWorkspaceEdit.StopEditing(true);
}
catch (Exception ex)
{
//if anything went wrong, just roll back
pWorkspaceEdit.AbortEditOperation();
System.Windows.Forms.MessageBox.Show(ex.ToString());
}
}
protected override void OnClick()
{
try
{
IMxDocument pMxdoc = (IMxDocument)ArcMap.Application.Document;
IFeatureLayer pfeaturelayer = (IFeatureLayer)pMxdoc.ActiveView.FocusMap.Layer[0];
IDataset pDS = (IDataset)pfeaturelayer.FeatureClass;
TowerManager tm = new TowerManager(pDS.Workspace);
Towers towers = tm.GetTowers();
tm.GenerateTowerCoverage(towers);
pMxdoc.ActiveView.Refresh();
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.ToString());
}
//IMxDocument pMxdoc = (IMxDocument)ArcMap.Application.Document;
//IFeatureLayer pfeaturelayer = (IFeatureLayer)pMxdoc.ActiveView.FocusMap.Layer[0];
//IDataset pDS = (IDataset)pfeaturelayer.FeatureClass;
//TowerManager tm = new TowerManager(pDS.Workspace);
//Tower pTower = tm.GetTowerByID("T04");
//// range of 100 meters
//int towerRange = 100;
//ITopologicalOperator pTopo = (ITopologicalOperator)pTower.TowerLocation;
//IPolygon range3Bars = (IPolygon)pTopo.Buffer(towerRange / 3);
//IPolygon range2BarsWhole = (IPolygon)pTopo.Buffer(towerRange * 2 / 3);
//ITopologicalOperator pIntTopo = (ITopologicalOperator)range2BarsWhole;
//IPolygon range2BarsDonut = (IPolygon)pIntTopo.SymmetricDifference(range3Bars);
//IPolygon range1BarWhole = (IPolygon)pTopo.Buffer(towerRange);
//ITopologicalOperator pIntTopo2 = (ITopologicalOperator)range1BarWhole;
//IPolygon range1BarDonut = (IPolygon)pIntTopo2.SymmetricDifference(range2BarsWhole);
//// Start editing session to create features
//IWorkspaceEdit pWorkspaceEdit = (IWorkspaceEdit)pDS.Workspace;
//pWorkspaceEdit.StartEditing(true);
//pWorkspaceEdit.StartEditOperation();
//// Get feature class to edit
//IFeatureWorkspace pFWorkspace = (IFeatureWorkspace)pWorkspaceEdit;
//IFeatureClass pTowerRangeFC = pFWorkspace.OpenFeatureClass("TowerRange");
//// Create range 3 bars
//IFeature pFeature3Bar = pTowerRangeFC.CreateFeature();
//pFeature3Bar.set_Value(pFeature3Bar.Fields.FindField("TOWERID"), "T04");
//pFeature3Bar.set_Value(pFeature3Bar.Fields.FindField("RANGE"), 3);
//pFeature3Bar.Shape = range3Bars;
//pFeature3Bar.Store();
//// Create range 2 bars
//IFeature pFeature2Bar = pTowerRangeFC.CreateFeature();
//pFeature2Bar.set_Value(pFeature2Bar.Fields.FindField("TOWERID"), "T04");
//pFeature2Bar.set_Value(pFeature2Bar.Fields.FindField("RANGE"), 2);
//pFeature2Bar.Shape = range2BarsDonut;
//pFeature2Bar.Store();
//// Create range 1 bar
//IFeature pFeature1Bar = pTowerRangeFC.CreateFeature();
//pFeature1Bar.set_Value(pFeature1Bar.Fields.FindField("TOWERID"), "T04");
//pFeature1Bar.set_Value(pFeature1Bar.Fields.FindField("RANGE"), 1);
//pFeature1Bar.Shape = range1BarDonut;
//pFeature1Bar.Store();
//// End editing session
//pWorkspaceEdit.StopEditOperation();
//pWorkspaceEdit.StopEditing(true);
}
