private void btnClear_Click(object sender, EventArgs e)
{
ISpatialReference SpaReference = new UnknownCoordinateSystemClass();
pSpaReference = SpaReference;
richTextReference.Text = ClsGDBDataCommon.GetReferenceString(SpaReference);
}
private void FrmCoordinateSystem_Load(object sender, EventArgs e)
{
switch (startPosition)
{
case "startFromMap":
DirectoryInfo CoordDirInfo = new DirectoryInfo(ClsGDBDataCommon.GetParentPathofExe() + @"Resource\Coordinate Systems");
LoadDirectories(advTreeCoord.Nodes[0], CoordDirInfo);
richTextReference.Text = ClsGDBDataCommon.GetReferenceString(pMapControl.SpatialReference);
IEngineEditor pEngineEdit = new EngineEditorClass();
if (pEngineEdit.Map == pMapControl.Map)
{
advTreeCoord.Enabled = false;
MessageBox.Show("该图层处在编辑状态不能修改坐标系统", "提示", MessageBoxButtons.YesNo);
}
break;
case "startFromLayer":
DirectoryInfo CoordDirInfoLayer = new DirectoryInfo(ClsGDBDataCommon.GetParentPathofExe() + @"Resource\Coordinate Systems");
LoadDirectories(advTreeCoord.Nodes[0], CoordDirInfoLayer);
IGeoDataset geoDataset = pLayer as IGeoDataset;
ISpatialReference reference = geoDataset.SpatialReference;
richTextReference.Text = ClsGDBDataCommon.GetReferenceString(reference);
break;
}
}
private void btnSelPrjFile_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "PRJ文件(*.prj)|*.prj";
if (dlg.ShowDialog() == DialogResult.OK)
{
ISpatialReferenceFactory pSpatialReferenceFactory = new SpatialReferenceEnvironmentClass();
try
{
ISpatialReference pSpatialReference = pSpatialReferenceFactory.CreateESRISpatialReferenceFromPRJFile(dlg.FileName);
if (pSpatialReference == null)
{
return;
}
pSpaReference = pSpatialReference;
richTextReference.Text = ClsGDBDataCommon.GetReferenceString(pSpaReference);
}
catch (Exception ee)
{
MessageBox.Show(ee.Message);
}
}
}
private void advTreeCoord_NodeClick(object sender, TreeNodeMouseEventArgs e)
{
if (e.Node.Text.Contains(".prj") == true)
{
string fileFullPath = "";
string fileFullName = e.Node.Text;
int depthIndex = e.Node.Level;
Node curnode = new Node();
curnode = e.Node;
for (int i = depthIndex; i > 1; i--)
{
fileFullName = curnode.Parent.Text + "\\" + fileFullName;
curnode = curnode.Parent;
}
fileFullPath = ClsGDBDataCommon.GetParentPathofExe() + @"Resource\Coordinate Systems\" + fileFullName;
ISpatialReferenceFactory pSpatialReferenceFactory = new SpatialReferenceEnvironmentClass();
try
{
ISpatialReference pSpatialReference = pSpatialReferenceFactory.CreateESRISpatialReferenceFromPRJFile(fileFullPath);
if (pSpatialReference == null)
{
return;
}
pSpaReference = pSpatialReference;
richTextReference.Text = ClsGDBDataCommon.GetReferenceString(pSpatialReference);
}
catch (Exception ee)
{
MessageBox.Show(ee.Message);
}
}
}
private void btnImport_Click(object sender, EventArgs e)
{
ESRI.ArcGIS.SystemUI.ICommand command = new ControlsAddDataCommandClass();
command.OnCreate(pMapControlSpacial);
command.OnClick();
//在此添加空间参考的详细信息
if (pMapControlSpacial.Map != null)
{
for (int i = 0; i < pMapControlSpacial.Map.LayerCount; i++)
{
ILayer pLayer = pMapControlSpacial.Map.get_Layer(i);
if (pLayer is IFeatureLayer)
{
IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;
IGeoDataset pGeoDataset = pFeatureLayer as IGeoDataset;
ISpatialReference pSpatialReference = pGeoDataset.SpatialReference;
richTextReference.Text = ClsGDBDataCommon.GetReferenceString(pSpatialReference);
pSpaReference = pSpatialReference;
}
if (pLayer is IRasterLayer)
{
IRasterLayer pRasterLayer = pLayer as IRasterLayer;
IRaster pRaster = pRasterLayer.Raster;
IRasterProps pRasterProps = pRaster as IRasterProps;
ISpatialReference pSpatialReference = pRasterProps.SpatialReference;
richTextReference.Text = ClsGDBDataCommon.GetReferenceString(pSpatialReference);
pSpaReference = pSpatialReference;
}
}
pMapControlSpacial.Map.ClearLayers();
}
}
private void btnSelect_Click(object sender, EventArgs e)
{
FrmCoordinateSystem frm = new FrmCoordinateSystem(m_mapControl, m_mapCtlHide);
if (frm.ShowDialog() == DialogResult.OK)
{
pSpaReference = frm.pSpaReference;
richTextReference.Text = ClsGDBDataCommon.GetReferenceString(frm.pSpaReference);
}
}
//读取图层坐标系统
private string ReadLayerCoordinateSystem(ILayer layer)
{
string strCoord = string.Empty;
if (layer is IGeoDataset)
{
IGeoDataset geoDataset = layer as IGeoDataset;
if (geoDataset == null)
{
return(strCoord);
}
ISpatialReference reference = geoDataset.SpatialReference;
strCoord = ClsGDBDataCommon.GetReferenceString(reference);
}
return(strCoord);
}
private void cmbReference_SelectedIndexChanged(object sender, EventArgs e)
{
//在此添加空间参考的详细信息
if (m_mapControl.Map != null)
{
for (int i = 0; i < m_mapControl.Map.LayerCount; i++)
{
ILayer pLayer = m_mapControl.Map.get_Layer(i);
if (pLayer is IFeatureLayer)
{
if (pLayer.Name == cmbReference.SelectedItem.ToString())
{
IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;
IGeoDataset pGeoDataset = pFeatureLayer as IGeoDataset;
ISpatialReference pSpatialReference = pGeoDataset.SpatialReference;
richTextReference.Text = ClsGDBDataCommon.GetReferenceString(pSpatialReference);
pSpaReference = pSpatialReference;
}
}
if (pLayer is IRasterLayer)
{
if (pLayer.Name == cmbReference.SelectedItem.ToString())
{
IRasterLayer pRasterLayer = pLayer as IRasterLayer;
IRaster pRaster = pRasterLayer.Raster;
IRasterProps pRasterProps = pRaster as IRasterProps;
ISpatialReference pSpatialReference = pRasterProps.SpatialReference;
richTextReference.Text = ClsGDBDataCommon.GetReferenceString(pSpatialReference);
pSpaReference = pSpatialReference;
}
}
}
}
}
//直接更改图层坐标系统，并不重投影数据值
private void btnChangeCoordinate_Click(object sender, EventArgs e)
{
ISpatialReference pSpatialReference = null;
FrmCoordinateSystem frm = new FrmCoordinateSystem(m_pLayer);
if (frm.ShowDialog() == DialogResult.OK)
{
pSpatialReference = frm.pSpaReference;
if (m_pLayer is IFeatureLayer)
{
IFeatureLayer pFLayer = m_pLayer as IFeatureLayer;
IFeatureClass pFClass = pFLayer.FeatureClass;
if (pFClass == null)
{
return;
}
IFeatureDataset pFDataset = pFClass.FeatureDataset;
if (pFDataset == null)
{
IGeoDatasetSchemaEdit geoSchemaEdit = pFClass as IGeoDatasetSchemaEdit;
if (geoSchemaEdit == null)
{
return;
}
if (geoSchemaEdit.CanAlterSpatialReference == true)
{
geoSchemaEdit.AlterSpatialReference(pSpatialReference);
}
}
else
{
IGeoDatasetSchemaEdit geoSchemaEdit = pFDataset as IGeoDatasetSchemaEdit;
if (geoSchemaEdit == null)
{
return;
}
if (geoSchemaEdit.CanAlterSpatialReference == true)
{
geoSchemaEdit.AlterSpatialReference(pSpatialReference);
}
}
}
else if (m_pLayer is IRasterLayer)
{
IRasterLayer pRLayer = m_pLayer as IRasterLayer;
IRaster pRaster = pRLayer.Raster;
IRaster2 pRaster2 = pRaster as IRaster2;
IRasterDataset pRDataset = pRaster2.RasterDataset;
IGeoDatasetSchemaEdit geoSchemaEdit = pRDataset as IGeoDatasetSchemaEdit;
if (geoSchemaEdit == null)
{
return;
}
if (geoSchemaEdit.CanAlterSpatialReference == true)
{
geoSchemaEdit.AlterSpatialReference(pSpatialReference);
pRLayer.CreateFromDataset(pRDataset);
}
}
string strCoord = string.Empty;
if (m_pLayer is IGeoDataset)
{
IGeoDataset geoDataset = m_pLayer as IGeoDataset;
if (geoDataset == null)
{
this.txtCoordinateSystem.Text = string.Empty;
}
else
{
ISpatialReference reference = geoDataset.SpatialReference;
strCoord = ClsGDBDataCommon.GetReferenceString(reference);
txtCoordinateSystem.Text = strCoord;
txtCoordinateSystem.Update();
}
}
}
}
