private void listView1_ItemChecked(object sender, ItemCheckedEventArgs e)
{
myListNode item = (myListNode)e.Item;
if (e.Item.Checked)
{
item.layer.VisibleMask = gviViewportMask.gviViewAllNormalView;
}
else
{
item.layer.VisibleMask = gviViewportMask.gviViewNone;
}
}
private void listView1_MouseDoubleClick(object sender, MouseEventArgs e)
{
if (this.listView1.SelectedItems.Count == 0)
{
return;
}
myListNode item = (myListNode)this.listView1.SelectedItems[0];
item.Checked = true;
IEnvelope env = (IEnvelope)layerEnvelopeMap[item.layer];
if (env == null || (env.MaxX == 0.0 && env.MaxY == 0.0 && env.MaxZ == 0.0 &&
env.MinX == 0.0 && env.MinY == 0.0 && env.MinZ == 0.0))
{
return;
}
this.axRenderControl1.Camera.LookAt(env.Center, 1000, angle);
}
private void listView1_MouseDown(object sender, MouseEventArgs e)
{
myListNode item = (myListNode)this.listView1.GetItemAt(e.X, e.Y);
if (item == null)
{
return;
}
cbCOMProperties.Items.Clear();
selectedLayer = item.layer;
IGeometryRender render = selectedLayer.GetGeometryRender();
if (render != null)
{
if (render.RenderType == gviRenderType.gviRenderSimple)
{
IGeometrySymbol geoSymbol = (render as ISimpleGeometryRender).Symbol;
txtScript.Text = geoSymbol.Script;
switch (geoSymbol.SymbolType)
{
case gviGeometrySymbolType.gviGeoSymbolPoint:
{
cbCOMProperties.Items.Add("Size");
cbCOMProperties.Items.Add("FillColor");
}
break;
case gviGeometrySymbolType.gviGeoSymbolModelPoint:
{
cbCOMProperties.Items.Add("Color");
}
break;
case gviGeometrySymbolType.gviGeoSymbolImagePoint:
{
cbCOMProperties.Items.Add("Size");
cbCOMProperties.Items.Add("ImageName");
}
break;
case gviGeometrySymbolType.gviGeoSymbolCurve:
{
cbCOMProperties.Items.Add("Color");
cbCOMProperties.Items.Add("ImageName");
cbCOMProperties.Items.Add("RepeatLength");
cbCOMProperties.Items.Add("Width");
}
break;
case gviGeometrySymbolType.gviGeoSymbolSurface:
{
cbCOMProperties.Items.Add("Color");
}
break;
case gviGeometrySymbolType.gviGeoSymbol3DPolygon:
{
cbCOMProperties.Items.Add("Color");
cbCOMProperties.Items.Add("Height");
}
break;
}
}
}
else
{
switch (item.type)
{
case LayerType.ModelPoint:
{
cbCOMProperties.Items.Add("Color");
}
break;
case LayerType.Polyline:
{
cbCOMProperties.Items.Add("Color");
cbCOMProperties.Items.Add("ImageName");
cbCOMProperties.Items.Add("RepeatLength");
cbCOMProperties.Items.Add("Width");
}
break;
case LayerType.Point:
{
cbCOMProperties.Items.Add("Size");
cbCOMProperties.Items.Add("FillColor");
cbCOMProperties.Items.Add("ImageName");
}
break;
case LayerType.Polygon:
{
cbCOMProperties.Items.Add("Color");
cbCOMProperties.Items.Add("Height");
}
break;
}
}
cbFields.Items.Clear();
IFeatureClass fc = null;
try
{
foreach (System.Guid guid in fcGuidMap.Keys)
{
if (guid.Equals(selectedLayer.FeatureClassId))
{
fc = fcGuidMap[guid] as IFeatureClass;
}
}
IFieldInfoCollection fields = fc.GetFields();
for (int i = 0; i < fields.Count; i++)
{
IFieldInfo field = fields.Get(i);
if (field.FieldType == gviFieldType.gviFieldGeometry || field.FieldType == gviFieldType.gviFieldBlob)
{
continue;
}
cbFields.Items.Add(field.Name);
}
}
catch (System.Exception ex)
{
}
type = item.type;
}
// 公共方法
void FeatureLayerVisualize(IConnectionInfo ci, bool needfly, string sourceName,
ITextRender textRender, IGeometryRender geoRender, LayerType type)
{
try
{
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]);
string[] fcnames = (string[])dataset.GetNamesByType(gviDataSetType.gviDataSetFeatureClassTable);
if (fcnames.Length == 0)
{
return;
}
fcGeoMap = new Hashtable(fcnames.Length);
foreach (string name in fcnames)
{
IFeatureClass fc = dataset.OpenFeatureClass(name);
fcGuidMap.Add(fc.Guid, fc);
// 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;
}
geoNames.Add(fieldinfo.Name);
}
fcGeoMap.Add(fc, geoNames);
}
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
return;
}
// CreateFeautureLayer
bool hasfly = !needfly;
foreach (IFeatureClass fc in fcGeoMap.Keys)
{
List <string> geoNames = (List <string>)fcGeoMap[fc];
foreach (string geoName in geoNames)
{
if (!geoName.Equals("Geometry"))
{
continue;
}
IFeatureLayer featureLayer = this.axRenderControl1.ObjectManager.CreateFeatureLayer(
fc, geoName, textRender, geoRender, rootId);
// 添加节点到界面控件上
myListNode item = new myListNode(string.Format("{0}_{1}_{2}", sourceName, fc.Name, featureLayer.MaxVisibleDistance.ToString()), featureLayer, type);
item.Checked = true;
listView1.Items.Add(item);
IFieldInfoCollection fieldinfos = fc.GetFields();
IFieldInfo fieldinfo = fieldinfos.Get(fieldinfos.IndexOf(geoName));
IGeometryDef geometryDef = fieldinfo.GeometryDef;
IEnvelope env = geometryDef.Envelope;
layerEnvelopeMap.Add(featureLayer, env);
if (env == null || (env.MaxX == 0.0 && env.MaxY == 0.0 && env.MaxZ == 0.0 &&
env.MinX == 0.0 && env.MinY == 0.0 && env.MinZ == 0.0))
{
continue;
}
// 相机飞入
if (!hasfly)
{
angle.Set(0, -20, 0);
this.axRenderControl1.Camera.LookAt(env.Center, 1000, angle);
}
hasfly = true;
}
}
}
