/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
try
{
//get access to the document and the active view
pMxDocument = (IMxDocument)clsAgrcArcMapExtension.m_application.Document;
pMap = pMxDocument.FocusMap;
pActiveView = pMxDocument.ActiveView; //pActiveView = (IActiveView)pMap;
//get the map's graphics layer
ICompositeGraphicsLayer2 pComGraphicsLayer = pMap.BasicGraphicsLayer as ICompositeGraphicsLayer2;
ICompositeLayer pCompositeLayer = pComGraphicsLayer as ICompositeLayer;
ILayer pLayer;
//loop through all graphic layers in the map and check for the 'PolyVertices' layer, if found, delete it, in order to start fresh
for (int i = 0; i < pCompositeLayer.Count; i++)
{
pLayer = pCompositeLayer.get_Layer(i);
if (pLayer.Name == "PolyVertices")
{
pComGraphicsLayer.DeleteLayer("PolyVertices");
break;
}
}
if (bolVerticesOn == false)
{
IGraphicsLayer pGraphicsLayer = pComGraphicsLayer.AddLayer("PolyVertices", null);
pMap.ActiveGraphicsLayer = (ILayer)pGraphicsLayer;
IGraphicsContainer pGraphicsContainer = pComGraphicsLayer.FindLayer("PolyVertices") as IGraphicsContainer;
//make sure the user has selected a polygon or polyline layer
if (pMxDocument.SelectedLayer == null)
{
MessageBox.Show("Please select a layer.", "Select Layer", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (!(pMxDocument.SelectedLayer is IFeatureLayer))
{
MessageBox.Show("Please select a polygon or line layer.", "Polygon or Line", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
//cast the selected layer as a feature layer
IGeoFeatureLayer pGFlayer = (IGeoFeatureLayer)pMxDocument.SelectedLayer;
//check if the feaure layer is a polygon or line layer
if (pGFlayer.FeatureClass.ShapeType != esriGeometryType.esriGeometryPolygon & pGFlayer.FeatureClass.ShapeType != esriGeometryType.esriGeometryPolyline)
{
MessageBox.Show("Please select a polygon or line layer.", "Polygon or Line", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
//setup marker symbol
ISimpleMarkerSymbol pSimpleMarker = new SimpleMarkerSymbol();
ISymbol pSymbolMarker = (ISymbol)pSimpleMarker;
IRgbColor pRgbColor = new ESRI.ArcGIS.Display.RgbColorClass();
pRgbColor.Red = 223;
pRgbColor.Green = 155;
pRgbColor.Blue = 255;
pSimpleMarker.Color = pRgbColor;
pSimpleMarker.Style = esriSimpleMarkerStyle.esriSMSDiamond;
pSimpleMarker.Size = 8;
//setup line symbol
ISimpleLineSymbol pSimpleLineSymbol = new SimpleLineSymbol();
ISymbol pSymbolLine = (ISymbol)pSimpleLineSymbol;
pRgbColor = new ESRI.ArcGIS.Display.RgbColor();
pRgbColor.Red = 0;
pRgbColor.Green = 255;
pRgbColor.Blue = 0;
pSimpleLineSymbol.Color = pRgbColor;
pSimpleLineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
pSimpleLineSymbol.Width = 1;
//setup simplefill symbol
ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbol();
ISymbol pSymbolPolygon = (ISymbol)pSimpleFillSymbol;
pRgbColor = new ESRI.ArcGIS.Display.RgbColor();
pRgbColor.Red = 0;
pRgbColor.Green = 0;
pRgbColor.Blue = 255;
pSimpleFillSymbol.Color = pRgbColor;
pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
//get all the polygons in the current map extent ina cursor
IEnvelope pMapExtent = pActiveView.Extent;
ISpatialFilter pQFilter = new SpatialFilter();
pQFilter.GeometryField = "SHAPE";
pQFilter.Geometry = pMapExtent;
pQFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
IFeatureCursor pFCursor = pGFlayer.Search(pQFilter, true);
//draw each polygon and then each polygon's point collection
IFeature pFeature = pFCursor.NextFeature();
IGeometry pGeometry;
while (pFeature != null)
{
pGeometry = pFeature.Shape;
//draw the polygon
//draw each vertex on the polygon
IPointCollection pPointCollection = pGeometry as IPointCollection;
for (int i = 0; i < pPointCollection.PointCount; i++)
{
IGeometry pPtGeom = pPointCollection.get_Point(i);
IElement pElement = new MarkerElement();
pElement.Geometry = pPtGeom;
IMarkerElement pMarkerElement = pElement as IMarkerElement;
pMarkerElement.Symbol = pSimpleMarker;
pGraphicsContainer.AddElement(pElement, 0);
}
pFeature = pFCursor.NextFeature();
}
bolVerticesOn = true;
}
else //if (bolVerticesOn == true)
{
bolVerticesOn = false;
}
//refresh the map
pActiveView.Refresh();
pActiveView.Refresh();
}
catch (Exception ex)
{
MessageBox.Show("Error Message: " + Environment.NewLine + ex.Message + Environment.NewLine + Environment.NewLine +
"Error Source: " + Environment.NewLine + ex.Source + Environment.NewLine + Environment.NewLine +
"Error Location:" + Environment.NewLine + ex.StackTrace,
"AGRC Custom Tools ArcMap Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
//this method is called when the user clicks the "Compare Vertices" button at the bottom of the form
private void cmdCompare_Click(object sender, EventArgs e)
{
try
{
if (cboLayer1.SelectedItem.ToString() == "" || cboLayer2.SelectedItem.ToString() == "" || txtOID1.Text == "" || txtOID2.Text == "") //the double pipe is an or operator that "short circuts", meaning that it will bail out early if the condition is true, whereas the single pipe evaluates all conditions
{
MessageBox.Show("Choose polygon layer, or specify OBJECTID.", "Verify Selections...", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//show busy mouse
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor;
IFeatureLayer pFeatureLayer1 = null;
IFeatureLayer pFeatureLayer2 = null;
IPointCollection pPtnCollMissingVertices = new MultipointClass(); //point collection for missing vertices and used for graphics layer
IPoint pPointMissing = new PointClass(); //used for graphics layer
//get access to polygon layer 1
for (int i = 0; i < pMap.LayerCount; i++)
{
if (pMap.get_Layer(i) is IFeatureLayer)
{
if (pMap.get_Layer(i).Name.ToString() == cboLayer1.SelectedItem.ToString())
{
pFeatureLayer1 = pMap.get_Layer(i) as IFeatureLayer;
break;
}
}
}
//get access to polygon layer 2
for (int i = 0; i < pMap.LayerCount; i++)
{
if (pMap.get_Layer(i) is IFeatureLayer)
{
if (pMap.get_Layer(i).Name.ToString() == cboLayer2.SelectedItem.ToString())
{
pFeatureLayer2 = pMap.get_Layer(i) as IFeatureLayer;
break;
}
}
}
//clear the x,y report list box
lstMissingVertices.Items.Clear();
//get vertices for feature 1
//set up query filter for feature 1
IQueryFilter pQueryFilter = new QueryFilter();
pQueryFilter.WhereClause = "OBJECTID = " + txtOID1.Text;
//set up feature cursor for feature 1
IFeatureCursor pFeatureCursor = pFeatureLayer1.Search(pQueryFilter, false);
//get feature 1
IFeature pFeature1 = pFeatureCursor.NextFeature();
//if no objectid is found
if (pFeature1 == null)
{
MessageBox.Show("The provided OBJECTID was not found for layer: " + cboLayer1.SelectedItem, "ObjectID Not Found", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//get feature 1 as a polygon
IPolygon pPolygon1 = pFeature1.Shape as IPolygon;
//get the point collection for feature 1
IPointCollection pPointColl1 = pPolygon1 as IPointCollection;
//get vertices for feature 2
//set up query filter for feature 2
pQueryFilter = new QueryFilter();
pQueryFilter.WhereClause = "OBJECTID = " + txtOID2.Text;
//set up feature cursor for feature 2
pFeatureCursor = null; //reuse the feature cursor from above
pFeatureCursor = pFeatureLayer2.Search(pQueryFilter, false);
//get feature 2
IFeature pFeature2 = pFeatureCursor.NextFeature();
//if no objectid is found
if (pFeature2 == null)
{
MessageBox.Show("The provided OBJECTID was not found for layer: " + cboLayer1.SelectedItem, "ObjectID Not Found", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//get feature 1 as a polygon
IPolygon pPolygon2 = pFeature2.Shape as IPolygon;
//get the point collection for feature 1
IPointCollection pPointColl2 = pPolygon2 as IPointCollection;
//loop through point collection and check for missing vertices
IPoint pPoint1;
IPoint pPoint2;
Boolean blnFound;
//loop through each point in the first collection and check for missing
for (int i = 0; i < pPointColl1.PointCount; i++)
{
pPoint1 = pPointColl1.get_Point(i);
//loop through all the points in the second collection and check for the point from the above collection
blnFound = false;
for (int j = 0; j < pPointColl2.PointCount; j++)
{
pPoint2 = pPointColl2.get_Point(j);
//check for overlapping points
if (pPoint1.X == pPoint2.X && pPoint1.Y == pPoint2.Y)
{
blnFound = true;
}
}
//if no overlapping points were found, report the missing x,y location to the listbox
if (blnFound == false)
{
lstMissingVertices.Items.Add(pPoint1.X + " " + pPoint1.Y + " " + " Feet" + " (missing from polygon 2)");
//add the missing point to a new collection for display on map
pPtnCollMissingVertices.AddPoint(pPoint1);
}
}
//loop through each point in the first collection and check for missing
for (int i = 0; i < pPointColl2.PointCount; i++)
{
pPoint2 = pPointColl2.get_Point(i);
//loop through all the points in the second collection and check for the point from the above collection
blnFound = false;
for (int j = 0; j < pPointColl1.PointCount; j++)
{
pPoint1 = pPointColl1.get_Point(j);
//check for overlapping points
if (pPoint2.X == pPoint1.X && pPoint2.Y == pPoint1.Y)
{
blnFound = true;
}
}
//if no overlapping points were found, report the missing x,y location to the listbox
if (blnFound == false)
{
lstMissingVertices.Items.Add(pPoint2.X + " " + pPoint2.Y + " " + " Feet" + " (missing from polygon 1)");
//add the missing point to a new collection for display on map
pPtnCollMissingVertices.AddPoint(pPoint2);
}
}
//if no missing vertices were found, inform the user
if (lstMissingVertices.Items.Count < 1)
{
lstMissingVertices.Items.Add("No Missing Vertices Found");
}
//display vertices if checkbox is checked
if (chkDisplayVertices.Checked == true)
{
//show busy mouse
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor;
//set up the graphics layer for the display of vertices
ICompositeGraphicsLayer2 pCompositeGraphicLayer = pMap.BasicGraphicsLayer as ICompositeGraphicsLayer2;
ICompositeLayer pCompositeLayer = pCompositeGraphicLayer as ICompositeLayer;
ILayer pLayer;
IGraphicsLayer pGraphicsLayer;
IGraphicsContainer pGraphicsContainer;
//loop through the graphics layer and check for the missing vertices layer. if found, delete it
for (int i = 0; i < pCompositeLayer.Count; i++)
{
pLayer = pCompositeLayer.Layer[i];
if (pLayer.Name == "MissingVertices")
{
pCompositeGraphicLayer.DeleteLayer("MissingVertices");
break;
}
}
//set up a new 'missing vertices' graphics layer
pGraphicsLayer = pCompositeGraphicLayer.AddLayer("MissingVertices", null);
pMap.ActiveGraphicsLayer = pGraphicsLayer as ILayer;
pGraphicsContainer = pCompositeGraphicLayer.FindLayer("MissingVertices") as IGraphicsContainer;
//define the color
ESRI.ArcGIS.Display.IRgbColor rgbColorCls = new ESRI.ArcGIS.Display.RgbColorClass();
rgbColorCls.Red = 250;
rgbColorCls.Green = 0;
rgbColorCls.Blue = 0;
//define the font
stdole.IFontDisp stdFontCls = new stdole.StdFontClass() as stdole.IFontDisp;
stdFontCls.Name = "ESRI Surveyor Marker"; //this one has a thin-line hollow circle
stdFontCls.Name = "ESRI Surveyor"; //this one has a bold-line hollow circle
stdFontCls.Size = 16;
//set the character marker symbol's properties
ESRI.ArcGIS.Display.ICharacterMarkerSymbol charMarkerSymb = new ESRI.ArcGIS.Display.CharacterMarkerSymbolClass();
charMarkerSymb.Angle = 0;
charMarkerSymb.CharacterIndex = 47;
charMarkerSymb.Color = rgbColorCls;
charMarkerSymb.Font = stdFontCls;
charMarkerSymb.Size = 16;
charMarkerSymb.XOffset = 0;
charMarkerSymb.YOffset = 0;
//place the graphics on the map
for (int i = 0; i < pPtnCollMissingVertices.PointCount; i++)
{
pPointMissing = pPtnCollMissingVertices.Point[i];
IElement pElement = new MarkerElement();
pElement.Geometry = pPointMissing;
IMarkerElement pMarkerElement = pElement as IMarkerElement;
pMarkerElement.Symbol = charMarkerSymb;
pGraphicsContainer.AddElement(pElement, 0);
}
//refresh the map, in order to see the newly added graphics
pActiveView.Refresh();
}
}
catch (Exception ex)
{
MessageBox.Show("Error Message: " + Environment.NewLine + ex.Message + Environment.NewLine + Environment.NewLine +
"Error Source: " + Environment.NewLine + ex.Source + Environment.NewLine + Environment.NewLine +
"Error Location:" + Environment.NewLine + ex.StackTrace,
"AGRC Custom Tools ArcMap Error!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}