private void DrawBox()
{
try
{
IPolyline line = this._drawTool.GetGeo() as IPolyline;
if (line == null || line.PointCount != 2)
{
return;
}
DF3DApplication app = DF3DApplication.Application;
if (app == null || app.Current3DMapControl == null)
{
return;
}
if (this._renderBox != null)
{
app.Current3DMapControl.ObjectManager.DeleteObject(this._renderBox.Guid);
this._renderBox = null;
}
if (this._renderPolygon != null)
{
app.Current3DMapControl.ObjectManager.DeleteObject(this._renderPolygon.Guid);
this._renderPolygon = null;
}
double middleZ = (line.StartPoint.Z + line.EndPoint.Z) / 2;
double minZ = middleZ + (double)this.seMinHeight.Value;
double maxZ = middleZ + (double)this.seMaxHeight.Value;
IPoint startPoint = line.StartPoint;
IPoint endPoint = line.EndPoint;
IEulerAngle ang = app.Current3DMapControl.Camera.GetAimingAngles2(startPoint, endPoint);
IEulerAngle angcz = new EulerAngle();
angcz.Set(ang.Heading - 90, ang.Tilt, ang.Roll);
IPoint pt1 = app.Current3DMapControl.Camera.GetAimingPoint2(startPoint, angcz, this.tbcClipDis.Value);
IPoint pt2 = app.Current3DMapControl.Camera.GetAimingPoint2(endPoint, angcz, this.tbcClipDis.Value);
ICRSFactory crsFact = new CRSFactory();
ISpatialCRS crs = crsFact.CreateFromWKT(app.Current3DMapControl.GetCurrentCrsWKT()) as ISpatialCRS;
IGeometryFactory geoFact = new GeometryFactoryClass();
IPoint pointb1 = geoFact.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
pointb1.SpatialCRS = crs;
pointb1.SetCoords(startPoint.X, startPoint.Y, minZ, 0, 0);
IPoint pointb2 = geoFact.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
pointb2.SpatialCRS = crs;
pointb2.SetCoords(endPoint.X, endPoint.Y, minZ, 0, 0);
IPoint pointb3 = geoFact.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
pointb3.SpatialCRS = crs;
pointb3.SetCoords(pt2.X, pt2.Y, minZ, 0, 0);
IPoint pointb4 = geoFact.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
pointb1.SpatialCRS = crs;
pointb4.SetCoords(pt1.X, pt1.Y, minZ, 0, 0);
IPolygon polygonBottom = geoFact.CreateGeometry(gviGeometryType.gviGeometryPolygon, gviVertexAttribute.gviVertexAttributeZ) as IPolygon;
polygonBottom.SpatialCRS = crs;
polygonBottom.ExteriorRing.AppendPoint(pointb1);
polygonBottom.ExteriorRing.AppendPoint(pointb2);
polygonBottom.ExteriorRing.AppendPoint(pointb3);
polygonBottom.ExteriorRing.AppendPoint(pointb4);
IPoint pointt1 = geoFact.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
pointt1.SpatialCRS = crs;
pointt1.SetCoords(startPoint.X, startPoint.Y, maxZ, 0, 0);
IPoint pointt2 = geoFact.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
pointt2.SpatialCRS = crs;
pointt2.SetCoords(endPoint.X, endPoint.Y, maxZ, 0, 0);
IPoint pointt3 = geoFact.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
pointt3.SpatialCRS = crs;
pointt3.SetCoords(pt2.X, pt2.Y, maxZ, 0, 0);
IPoint pointt4 = geoFact.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
pointt4.SpatialCRS = crs;
pointt4.SetCoords(pt1.X, pt1.Y, maxZ, 0, 0);
IPolygon polygonTop = geoFact.CreateGeometry(gviGeometryType.gviGeometryPolygon, gviVertexAttribute.gviVertexAttributeZ) as IPolygon;
polygonTop.SpatialCRS = crs;
polygonTop.ExteriorRing.AppendPoint(pointt1);
polygonTop.ExteriorRing.AppendPoint(pointt2);
polygonTop.ExteriorRing.AppendPoint(pointt3);
polygonTop.ExteriorRing.AppendPoint(pointt4);
IPolygon polygon1 = geoFact.CreateGeometry(gviGeometryType.gviGeometryPolygon, gviVertexAttribute.gviVertexAttributeZ) as IPolygon;
polygon1.SpatialCRS = crs;
polygon1.ExteriorRing.AppendPoint(pointb1);
polygon1.ExteriorRing.AppendPoint(pointb2);
polygon1.ExteriorRing.AppendPoint(pointt2);
polygon1.ExteriorRing.AppendPoint(pointt1);
IPolygon polygon2 = geoFact.CreateGeometry(gviGeometryType.gviGeometryPolygon, gviVertexAttribute.gviVertexAttributeZ) as IPolygon;
polygon2.SpatialCRS = crs;
polygon2.ExteriorRing.AppendPoint(pointb1);
polygon2.ExteriorRing.AppendPoint(pointb4);
polygon2.ExteriorRing.AppendPoint(pointt4);
polygon2.ExteriorRing.AppendPoint(pointt1);
IPolygon polygon3 = geoFact.CreateGeometry(gviGeometryType.gviGeometryPolygon, gviVertexAttribute.gviVertexAttributeZ) as IPolygon;
polygon3.SpatialCRS = crs;
polygon3.ExteriorRing.AppendPoint(pointb2);
polygon3.ExteriorRing.AppendPoint(pointb3);
polygon3.ExteriorRing.AppendPoint(pointt3);
polygon3.ExteriorRing.AppendPoint(pointt2);
IPolygon polygon4 = geoFact.CreateGeometry(gviGeometryType.gviGeometryPolygon, gviVertexAttribute.gviVertexAttributeZ) as IPolygon;
polygon4.SpatialCRS = crs;
polygon4.ExteriorRing.AppendPoint(pointb3);
polygon4.ExteriorRing.AppendPoint(pointb4);
polygon4.ExteriorRing.AppendPoint(pointt4);
polygon4.ExteriorRing.AppendPoint(pointt3);
IMultiPolygon multiPolygon = geoFact.CreateGeometry(gviGeometryType.gviGeometryMultiPolygon, gviVertexAttribute.gviVertexAttributeZ) as IMultiPolygon;
multiPolygon.SpatialCRS = crs;
multiPolygon.AddPolygon(polygonBottom);
multiPolygon.AddPolygon(polygonTop);
//multiPolygon.AddPolygon(polygon1);
multiPolygon.AddPolygon(polygon2);
multiPolygon.AddPolygon(polygon3);
multiPolygon.AddPolygon(polygon4);
ISurfaceSymbol ss = new SurfaceSymbolClass();
ss.Color = 0x550000AA;
ICurveSymbol cs = new CurveSymbolClass();
cs.Color = 0xff0000AA;
ss.BoundarySymbol = cs;
this._renderPolygon = app.Current3DMapControl.ObjectManager.CreateRenderPolygon(polygon1, ss, app.Current3DMapControl.ProjectTree.RootID);
ISurfaceSymbol ss1 = new SurfaceSymbolClass();
ss1.Color = 0x88FFFFFF;
ICurveSymbol cs1 = new CurveSymbolClass();
cs1.Color = 0xffffffff;
ss1.BoundarySymbol = cs1;
this._renderBox = app.Current3DMapControl.ObjectManager.CreateRenderMultiPolygon(multiPolygon, ss1, app.Current3DMapControl.ProjectTree.RootID);
_env = null;
_ang = null;
_center = null;
_env = new EnvelopeClass();
double xdis = Math.Sqrt((pointb1.X - pointb2.X) * (pointb1.X - pointb2.X) + (pointb1.Y - pointb2.Y) * (pointb1.Y - pointb2.Y)) / 2;
double ydis = Math.Sqrt((pointb1.X - pointb4.X) * (pointb1.X - pointb4.X) + (pointb1.Y - pointb4.Y) * (pointb1.Y - pointb4.Y)) / 2;
_env.MinZ = -ydis;
_env.MaxZ = ydis;
_env.MinX = -xdis;
_env.MaxX = xdis;
_env.MinY = -(maxZ - minZ) / 2.0;
_env.MaxY = (maxZ - minZ) / 2.0;
_center = geoFact.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
_center.SpatialCRS = crs;
_center.X = polygonBottom.Centroid.X;
_center.Y = polygonBottom.Centroid.Y;
_center.Z = polygon1.Centroid.Z;
_ang = new EulerAngleClass();
_ang.Set(angcz.Heading, 0, 0);
}
catch (Exception ex)
{
}
}
/// <summary>
/// 创建一个坐标系对象
/// </summary>
/// <param name="wkt"></param>
/// <returns></returns>
ISpatialCRS CreateCRS(string wkt)
{
// return CRSFactory.CreateFromWKID(2364);
return((ISpatialCRS)CRSFactory.CreateFromWKT(wkt));
}
private void MainForm_Load(object sender, System.EventArgs e)
{
// 初始化RenderControl控件
IPropertySet ps = new PropertySet();
ps.SetProperty("RenderSystem", gviRenderSystem.gviRenderOpenGL);
this.axRenderControl1.Initialize(true, ps);
this.axRenderControl1.Camera.FlyTime = 1;
ICRSFactory crsfac = new CRSFactory();
_currentCRS = (crsfac.CreateFromWKT(this.axRenderControl1.GetCurrentCrsWKT())) as ISpatialCRS;
rootId = this.axRenderControl1.ObjectManager.GetProjectTree().RootID;
// 设置天空盒
if (System.IO.Directory.Exists(strMediaPath))
{
string tmpSkyboxPath = strMediaPath + @"\skybox";
ISkyBox skybox = this.axRenderControl1.ObjectManager.GetSkyBox(0);
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageBack, tmpSkyboxPath + "\\1_BK.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageBottom, tmpSkyboxPath + "\\1_DN.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageFront, tmpSkyboxPath + "\\1_FR.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageLeft, tmpSkyboxPath + "\\1_LF.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageRight, tmpSkyboxPath + "\\1_RT.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageTop, tmpSkyboxPath + "\\1_UP.jpg");
}
else
{
MessageBox.Show("请不要随意更改SDK目录名");
return;
}
this.axRenderControl1.Camera.FlyTime = 0;
// 加载瓦片图层
string tilelayerString = (strMediaPath + @"\sdk.tdb");
I3DTileLayer layer = this.axRenderControl1.ObjectManager.Create3DTileLayer(tilelayerString, "", rootId);
this.axRenderControl1.Camera.FlyToObject(layer.Guid, gviActionCode.gviActionFlyTo);
// 添加节点到界面控件上
myListNode item = new myListNode("tilelayer", TreeNodeType.NT_TiltedLAYER, layer);
item.Checked = true;
listView1.Items.Add(item);
#region 加载FDB
try
{
IConnectionInfo ci = new ConnectionInfo();
ci.ConnectionType = gviConnectionType.gviConnectionFireBird2x;
string tmpFDBPath = (strMediaPath + @"\SDKDEMO.FDB");
ci.Database = tmpFDBPath;
IDataSourceFactory dsFactory = new DataSourceFactory();
IDataSource ds = dsFactory.OpenDataSource(ci);
string[] setnames = (string[])ds.GetFeatureDatasetNames();
if (setnames.Length == 0)
{
return;
}
IFeatureDataSet dataset = ds.OpenFeatureDataset(setnames[0]);
_datasetCRS = dataset.SpatialReference;
//遍历FeatureClass
string[] fcnames = (string[])dataset.GetNamesByType(gviDataSetType.gviDataSetFeatureClassTable);
if (fcnames.Length == 0)
{
return;
}
fcMap = new Hashtable(fcnames.Length);
fcuidMap = new Hashtable(fcnames.Length);
foreach (string name in fcnames)
{
IFeatureClass fc = dataset.OpenFeatureClass(name);
// 找到空间列字段
List <string> geoNames = new List <string>();
IFieldInfoCollection fieldinfos = fc.GetFields();
for (int i = 0; i < fieldinfos.Count; i++)
{
IFieldInfo fieldinfo = fieldinfos.Get(i);
if (null == fieldinfo)
{
continue;
}
IGeometryDef geometryDef = fieldinfo.GeometryDef;
if (null == geometryDef)
{
continue;
}
if (geometryDef.GeometryColumnType == gviGeometryColumnType.gviGeometryColumnPolygon)
{
geoNames.Add(fieldinfo.Name);
}
}
fcMap.Add(fc, geoNames);
fcuidMap.Add(fc.Guid, fc);
}
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
return;
}
#endregion
//CreateFeautureLayer for 矢量贴地
foreach (IFeatureClass fc in fcMap.Keys)
{
List <string> geoNames = (List <string>)fcMap[fc];
if (geoNames.Count == 0)
{
continue;
}
#region 定义几何物体渲染风格
ICurveSymbol cs = new CurveSymbol();
cs.Color = System.Drawing.Color.Empty; //防止贴瓦片时出现绿色竖边
IValueMapGeometryRender geoRender = new ValueMapGeometryRender();
{
IRangeRenderRule rangeRule = new RangeRenderRule();
rangeRule.LookUpField = "oid";
rangeRule.MaxValue = 1100;
rangeRule.MinValue = 1000;
rangeRule.IncludeMin = false;
ISurfaceSymbol geoSymbol = new SurfaceSymbol();
geoSymbol.Color = System.Drawing.Color.Yellow;
geoSymbol.BoundarySymbol = cs;
IGeometryRenderScheme grs = new GeometryRenderScheme();
grs.AddRule(rangeRule);
grs.Symbol = geoSymbol;
geoRender.AddScheme(grs);
}
{
IRangeRenderRule rangeRule = new RangeRenderRule();
rangeRule.LookUpField = "oid";
rangeRule.MaxValue = 1200;
rangeRule.MinValue = 1100;
rangeRule.IncludeMin = false;
ISurfaceSymbol geoSymbol = new SurfaceSymbol();
geoSymbol.Color = System.Drawing.Color.Blue;
geoSymbol.BoundarySymbol = cs;
IGeometryRenderScheme grs = new GeometryRenderScheme();
grs.AddRule(rangeRule);
grs.Symbol = geoSymbol;
geoRender.AddScheme(grs);
}
{
IRangeRenderRule rangeRule = new RangeRenderRule();
rangeRule.LookUpField = "oid";
rangeRule.MaxValue = 1300;
rangeRule.MinValue = 1200;
rangeRule.IncludeMin = false;
ISurfaceSymbol geoSymbol = new SurfaceSymbol();
geoSymbol.Color = System.Drawing.Color.Green;
geoSymbol.BoundarySymbol = cs;
IGeometryRenderScheme grs = new GeometryRenderScheme();
grs.AddRule(rangeRule);
grs.Symbol = geoSymbol;
geoRender.AddScheme(grs);
}
{
IRangeRenderRule rangeRule = new RangeRenderRule();
rangeRule.LookUpField = "oid";
rangeRule.MaxValue = 1400;
rangeRule.MinValue = 1300;
rangeRule.IncludeMin = false;
ISurfaceSymbol geoSymbol = new SurfaceSymbol();
geoSymbol.Color = System.Drawing.Color.Goldenrod;
geoSymbol.BoundarySymbol = cs;
IGeometryRenderScheme grs = new GeometryRenderScheme();
grs.AddRule(rangeRule);
grs.Symbol = geoSymbol;
geoRender.AddScheme(grs);
}
{
ISurfaceSymbol geoSymbol = new SurfaceSymbol();
geoSymbol.Color = System.Drawing.Color.Fuchsia;
geoSymbol.BoundarySymbol = cs;
IGeometryRenderScheme geoSchemeOther = new GeometryRenderScheme();
geoSchemeOther.Symbol = geoSymbol;
geoRender.AddScheme(geoSchemeOther);
}
#endregion
geoRender.HeightStyle = gviHeightStyle.gviHeightOnEverything;
IFeatureLayer fcLayer = this.axRenderControl1.ObjectManager.CreateFeatureLayer(fc, geoNames[0], null, geoRender, rootId);
if (fcLayer != null)
{
fcLayer.VisibleMask = gviViewportMask.gviViewNone;
// 添加节点到界面控件上
myListNode item2 = new myListNode(fc.Name + "_" + geoNames[0], TreeNodeType.NT_FeatureLayer, fcLayer);
item.Checked = false;
listView1.Items.Add(item2);
}
else
{
MessageBox.Show("Create FeatureLayer Failed! " + this.axRenderControl1.GetLastError().ToString());
}
}
// 注册事件
this.axRenderControl1.RcMouseClickSelect += new Gvitech.CityMaker.Controls._IRenderControlEvents_RcMouseClickSelectEventHandler(axRenderControl1_RcMouseClickSelect);
//设置highlight可用
this.axRenderControl1.HighlightHelper.VisibleMask = 1;
{
this.helpProvider1.SetShowHelp(this.axRenderControl1, true);
this.helpProvider1.SetHelpString(this.axRenderControl1, "");
this.helpProvider1.HelpNamespace = "TileHole.html";
}
}