PolylineTool.cs
// Copyright 2012 ESRI // // All rights reserved under the copyright laws of the United States // and applicable international laws, treaties, and conventions. // // You may freely redistribute and use this sample code, with or // without modification, provided you include the original copyright // notice and use restrictions. // // See the use restrictions. // using System; using System.Collections.Generic; using System.Text; using System.IO; using ESRI.ArcGIS.ADF.BaseClasses; using ESRI.ArcGIS.ADF.CATIDs; using System.Windows.Forms; using ESRI.ArcGIS.Geometry; using ESRI.ArcGIS.Analyst3D; using ESRI.ArcGIS.Carto; using ESRI.ArcGIS.Display; namespace GlobeGraphicsToolbar { public class PolylineTool : ESRI.ArcGIS.Desktop.AddIns.Tool { private PolylineGeometry _polylineGeometry = null; private const int LeftButton = 1; private const esriSRGeoCSType GeographicCoordinateSystem = esriSRGeoCSType.esriSRGeoCS_WGS1984; private const double PointElementSize = 1; private const esriSimpleMarkerStyle PointElementStyle = esriSimpleMarkerStyle.esriSMSCircle; private const double PolylineElementWidth = 1000; private const esriSimpleLineStyle PolylineElementStyle = esriSimpleLineStyle.esriSLSSolid; private const string GraphicsLayerName = "Globe Graphics"; public PolylineTool() { } protected override void OnUpdate() { } protected override void OnMouseDown(ESRI.ArcGIS.Desktop.AddIns.Tool.MouseEventArgs arg) { if (arg.Button == MouseButtons.Left) { GeographicCoordinates geographicCoordinates = new GeographicCoordinates(ArcGlobe.Globe, arg.X, arg.Y); SpatialReferenceFactory spatialReferenceFactory = new SpatialReferenceFactory((int)GeographicCoordinateSystem); PointGeometry pointGeometry = new PointGeometry(geographicCoordinates.Longitude, geographicCoordinates.Latitude, geographicCoordinates.AltitudeInKilometers, spatialReferenceFactory.SpatialReference); if (_polylineGeometry == null) { _polylineGeometry = new PolylineGeometry(spatialReferenceFactory.SpatialReference); } _polylineGeometry.AddPoint(pointGeometry.Geometry as IPoint); TableOfContents tableOfContents = new TableOfContents(ArcGlobe.Globe); if (!tableOfContents.LayerExists(GraphicsLayerName)) { tableOfContents.ConstructLayer(GraphicsLayerName); } Layer layer = new Layer(tableOfContents[GraphicsLayerName]); if (_polylineGeometry.PointCount == 1) { PointElement pointElement = new PointElement(pointGeometry.Geometry, PointElementSize, PointElementStyle); layer.AddElement(pointElement.Element, pointElement.ElementProperties); } else { layer.RemoveElement(layer.ElementCount - 1); PolylineElement polylineElement = new PolylineElement(_polylineGeometry.Geometry, PolylineElementWidth, PolylineElementStyle); layer.AddElement(polylineElement.Element, polylineElement.ElementProperties); } ArcGlobe.Globe.GlobeDisplay.RefreshViewers(); } } protected override void OnDoubleClick() { _polylineGeometry = null; } } }