private void toolStripUnloadTextRender_Click(object sender, EventArgs e)
{
myListNode node = selectNode as myListNode;
IFeatureLayer layer = node.layer;
layer.SetTextRender(null);
IFeatureClass fc = layerFcMap[layer] as IFeatureClass;
this.axRenderControl1.FeatureManager.RefreshFeatureClass(fc);
}
private void toolStripSetTextRender_Click(object sender, EventArgs e)
{
myListNode node = selectNode as myListNode;
TextRenderForm trform = new TextRenderForm(node.layer.GetTextRender(), node.fields);
if (trform.ShowDialog() == DialogResult.OK)
{
node.layer.SetTextRender(trform.newRender);
IFeatureClass fc = layerFcMap[node.layer] as IFeatureClass;
this.axRenderControl1.FeatureManager.RefreshFeatureClass(fc);
}
}
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 importTextRenderToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog od = new OpenFileDialog();
od.Filter = "XML文件|*.xml";
od.RestoreDirectory = true;
if (od.ShowDialog() == DialogResult.OK)
{
if (File.Exists(od.FileName))
{
StreamReader sr = new StreamReader(od.FileName);
string xmlstring = sr.ReadToEnd();
sr.Close();
ITextRender tr = this.axRenderControl1.ObjectManager.CreateTextRenderFromXML(xmlstring);
string nodeName = selectNode.Text;
myListNode node = selectNode as myListNode;
IFeatureLayer layer = node.layer;
layer.SetTextRender(tr);
}
}
}
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;
}
IPoint pos = (new GeometryFactory()).CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
pos.SpatialCRS = crs;
pos.Position = env.Center;
this.axRenderControl1.Camera.LookAt2(pos, 1000, angle);
}
private void exportTextRenderToolStripMenuItem_Click(object sender, EventArgs e)
{
string nodeName = selectNode.Text;
myListNode node = selectNode as myListNode;
IFeatureLayer layer = node.layer;
string renderStr = layer.GetTextRender().AsXml();
SaveFileDialog sd = new SaveFileDialog();
sd.AddExtension = true;
sd.DefaultExt = "xml";
sd.Filter = "XML文件|*.xml";
sd.RestoreDirectory = true;
if (sd.ShowDialog() == DialogResult.OK)
{
String final = sd.FileName;
if (sd.FileName.LastIndexOf(".xml") == -1)
{
final = String.Format("{0}.xml", sd.FileName);
}
System.IO.File.WriteAllText(final, renderStr);
MessageBox.Show("导出成功");
}
}
// 公共方法
void FeatureLayerVisualize(IConnectionInfo ci, bool needfly, string sourceName,
ITextRender textRender, IGeometryRender geoRender)
{
IDataSourceFactory dsFactory = null;
IDataSource ds = null;
IFeatureDataSet dataset = null;
try
{
dsFactory = new DataSourceFactory();
ds = dsFactory.OpenDataSource(ci);
string[] setnames = (string[])ds.GetFeatureDatasetNames();
if (setnames.Length == 0)
{
return;
}
dataset = ds.OpenFeatureDataset(setnames[0]);
crs = dataset.SpatialReference;
string[] fcnames = (string[])dataset.GetNamesByType(gviDataSetType.gviDataSetFeatureClassTable);
if (fcnames.Length == 0)
{
return;
}
fcMap = 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;
}
geoNames.Add(fieldinfo.Name);
}
fcMap.Add(fc, geoNames);
}
// CreateFeautureLayer
bool hasfly = !needfly;
foreach (IFeatureClass fcInMap in fcMap.Keys)
{
List <string> geoNames = (List <string>)fcMap[fcInMap];
foreach (string geoName in geoNames)
{
IFeatureLayer featureLayer = this.axRenderControl1.ObjectManager.CreateFeatureLayer(
fcInMap, geoName, textRender, geoRender, rootId);
// 添加节点到界面控件上
object[] registeredFields = GetRegisteredRenderIndexFields(fcInMap);
myListNode item = new myListNode(string.Format("{0}_{1}_{2}", sourceName, fcInMap.Name, featureLayer.MaxVisibleDistance.ToString()), featureLayer, registeredFields);
item.Checked = true;
listView1.Items.Add(item);
layerFcMap.Add(featureLayer, fcInMap);
IFieldInfoCollection fieldinfos = fcInMap.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);
IPoint pos = (new GeometryFactory()).CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
pos.SpatialCRS = crs;
pos.Position = env.Center;
this.axRenderControl1.Camera.LookAt2(pos, 1000, angle);
}
hasfly = true;
}
}
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
return;
}
catch (System.Exception e)
{
System.Diagnostics.Trace.WriteLine(e.Message);
return;
}
finally
{
if (ds != null)
{
ds.Dispose();
ds = null;
}
if (dataset != null)
{
dataset.Dispose();
dataset = null;
}
//if (fc != null)
//{
// fc.Dispose();
// fc = null;
//}
}
}
