// Return true if the specified layer may be set to Editable.
// In the case of remote data, we may find that the Geocolumn is readonly,
// there is a spatial schema which provides for the ability to create a point
// geometry by referencing a geometry in another table. In this case, the table
// may be editable but the geometry column will be marked as readonly.
// Also Seamless tables can't be edited.
private bool LayerCanBeMadeEditable(FeatureLayer layer)
{
bool b = false;
if (layer.Table.TableInfo.TableType == TableType.Seamless)
{
b = false; // can't edit seamless tables
}
else if (_editFilter != null && _editFilter is ToolFilter)
{
// The filter allows us to change Editable status;
// now see if the table also allows us.
if (layer.Table.SessionInfo.ReadOnly == false)
{
// Table isn't read only, so we can proceed.
// If geocolumn isn't read only, the layer can be made editable.
GeometryColumn geoCol = null;
Columns columns = layer.Table.TableInfo.Columns;
foreach (Column col in columns)
{
geoCol = col as GeometryColumn;
if (geoCol != null)
{
break;
}
}
if (geoCol != null && geoCol.ReadOnly == false)
{
b = true;
}
}
}
return(b);
}
public override void WriteLayerProperties(System.Xml.XmlTextWriter xmlWriter)
{
xmlWriter.WriteAttributeString("TimeSeries", TimeSeries.ToString());
xmlWriter.WriteAttributeString("BeginRange", BeginRange.ToString());
xmlWriter.WriteAttributeString("EndRange", EndRange.ToString());
xmlWriter.WriteAttributeString("Decay", Decay.ToString());
xmlWriter.WriteAttributeString("CoordinatesType", CoordinatesType.ToString());
xmlWriter.WriteAttributeString("LatColumn", LatColumn.ToString());
xmlWriter.WriteAttributeString("LngColumn", LngColumn.ToString());
xmlWriter.WriteAttributeString("GeometryColumn", GeometryColumn.ToString());
xmlWriter.WriteAttributeString("AltType", AltType.ToString());
xmlWriter.WriteAttributeString("MarkerMix", MarkerMix.ToString());
xmlWriter.WriteAttributeString("ColorMap", ColorMap.ToString());
xmlWriter.WriteAttributeString("MarkerColumn", MarkerColumn.ToString());
xmlWriter.WriteAttributeString("ColorMapColumn", ColorMapColumn.ToString());
xmlWriter.WriteAttributeString("PlotType", PlotType.ToString());
xmlWriter.WriteAttributeString("MarkerIndex", MarkerIndex.ToString());
xmlWriter.WriteAttributeString("MarkerScale", MarkerScale.ToString());
xmlWriter.WriteAttributeString("AltUnit", AltUnit.ToString());
xmlWriter.WriteAttributeString("AltColumn", AltColumn.ToString());
xmlWriter.WriteAttributeString("StartDateColumn", StartDateColumn.ToString());
xmlWriter.WriteAttributeString("EndDateColumn", EndDateColumn.ToString());
xmlWriter.WriteAttributeString("SizeColumn", SizeColumn.ToString());
xmlWriter.WriteAttributeString("HyperlinkFormat", HyperlinkFormat.ToString());
xmlWriter.WriteAttributeString("HyperlinkColumn", HyperlinkColumn.ToString());
xmlWriter.WriteAttributeString("ScaleFactor", ScaleFactor.ToString());
xmlWriter.WriteAttributeString("PointScaleType", PointScaleType.ToString());
xmlWriter.WriteAttributeString("ShowFarSide", ShowFarSide.ToString());
xmlWriter.WriteAttributeString("RaUnits", RaUnits.ToString());
xmlWriter.WriteAttributeString("HoverTextColumn", NameColumn.ToString());
xmlWriter.WriteAttributeString("XAxisColumn", XAxisColumn.ToString());
xmlWriter.WriteAttributeString("XAxisReverse", XAxisReverse.ToString());
xmlWriter.WriteAttributeString("YAxisColumn", YAxisColumn.ToString());
xmlWriter.WriteAttributeString("YAxisReverse", YAxisReverse.ToString());
xmlWriter.WriteAttributeString("ZAxisColumn", ZAxisColumn.ToString());
xmlWriter.WriteAttributeString("ZAxisReverse", ZAxisReverse.ToString());
xmlWriter.WriteAttributeString("CartesianScale", CartesianScale.ToString());
xmlWriter.WriteAttributeString("CartesianCustomScale", CartesianCustomScale.ToString());
xmlWriter.WriteAttributeString("DynamicData", DynamicData.ToString());
xmlWriter.WriteAttributeString("AutoUpdate", AutoUpdate.ToString());
xmlWriter.WriteAttributeString("DataSourceUrl", DataSourceUrl.ToString());
}
private void loadEagleLayer()
{
//初始化鹰眼图层 用户画框
TableInfoMemTable ti = new TableInfoMemTable("EagleEyeTemp");
ti.Temporary = true;
Column column;
column = new GeometryColumn(mapControl2.Map.GetDisplayCoordSys());
column.Alias = "MI_Geometry ";
column.DataType = MIDbType.FeatureGeometry;
ti.Columns.Add(column);
column = new Column();
column.Alias = "MI_Style ";
column.DataType = MIDbType.Style;
ti.Columns.Add(column);
Table table;
try
{
table = Session.Current.Catalog.CreateTable(ti);
}
catch (Exception ex)
{
table = Session.Current.Catalog.GetTable("EagleEyeTemp");
}
if (mapControl2.Map.Layers["MyEagleEye"] != null)
{
mapControl2.Map.Layers.Remove(eagleEye);
}
eagleEye = new FeatureLayer(table, "EagleEye ", "MyEagleEye");
mapControl2.Map.Layers.Insert(0, eagleEye);
mapControl1.Refresh();
}
private void showPointOnSearchTableMap(double x, double y)
{
MapInfo.Mapping.Map map = Session.Current.MapFactory.CreateEmptyMap(System.IntPtr.Zero, new Size(10, 10));
MapInfo.Mapping.FeatureLayer searchLayer = new MapInfo.Mapping.FeatureLayer(_searchTable);
map.Layers.Add(searchLayer);
MapForm1 mapForm = new MapForm1(map);
Form parentForm = this;
// create a temp table and add a featurelayer for it (use map alias as table alias)
// make the table hidden (maybe)
MapInfo.Geometry.CoordSys coordSys = map.GetDisplayCoordSys();
TableInfoMemTable ti = new TableInfoMemTable("temp");
ti.Temporary = true;
// add object column
Column col;
col = new GeometryColumn(coordSys); // specify coordsys for object column
col.Alias = "obj";
col.DataType = MIDbType.FeatureGeometry;
ti.Columns.Add(col);
// add style column
col = new Column();
col.Alias = "MI_Style";
col.DataType = MIDbType.Style;
ti.Columns.Add(col);
Table pointTable = Session.Current.Catalog.CreateTable(ti);
// I am using a Point example here. You can create a rectangle instead
MapInfo.Geometry.FeatureGeometry g = new MapInfo.Geometry.Point(coordSys, x, y);
MapInfo.Styles.SimpleVectorPointStyle vs = new MapInfo.Styles.SimpleVectorPointStyle(37, System.Drawing.Color.Red, 14);
MapInfo.Styles.CompositeStyle cs = new MapInfo.Styles.CompositeStyle(vs);
MICommand cmd = _miConnection.CreateCommand();
cmd.Parameters.Add("geometry", MIDbType.FeatureGeometry);
cmd.Parameters.Add("style", MIDbType.Style);
cmd.CommandText = "Insert Into temp (obj,MI_Style) values (geometry,style)";
cmd.Prepare();
cmd.Parameters[0].Value = g;
cmd.Parameters[1].Value = cs;
int nchanged = cmd.ExecuteNonQuery();
cmd.Dispose();
map.Layers.Add(new MapInfo.Mapping.FeatureLayer(pointTable));
// another way: Map.Load(new MapTableLoader(table));
// make the map encompass the entire search layer
map.SetView(searchLayer);
// size the map form
mapForm.Size = new Size(500, 500);
//Show the form like a dialog (modal)
mapForm.ShowDialog(parentForm);
pointTable.Close();
}
private void showPointOnSearchTableMap(double x, double y)
{
MapInfo.Mapping.Map map = Session.Current.MapFactory.CreateEmptyMap(System.IntPtr.Zero, new Size(10, 10));
MapInfo.Mapping.FeatureLayer searchLayer = new MapInfo.Mapping.FeatureLayer(_searchTable);
map.Layers.Add(searchLayer);
MapForm1 mapForm = new MapForm1(map);
Form parentForm = this;
// create a temp table and add a featurelayer for it (use map alias as table alias)
// make the table hidden (maybe)
MapInfo.Geometry.CoordSys coordSys = map.GetDisplayCoordSys();
TableInfoMemTable ti = new TableInfoMemTable("temp");
ti.Temporary = true;
// add object column
Column col;
col = new GeometryColumn(coordSys); // specify coordsys for object column
col.Alias = "obj";
col.DataType = MIDbType.FeatureGeometry;
ti.Columns.Add(col);
// add style column
col = new Column();
col.Alias = "MI_Style";
col.DataType = MIDbType.Style;
ti.Columns.Add(col);
Table pointTable = Session.Current.Catalog.CreateTable(ti);
// I am using a Point example here. You can create a rectangle instead
MapInfo.Geometry.FeatureGeometry g = new MapInfo.Geometry.Point(coordSys, x, y);
MapInfo.Styles.SimpleVectorPointStyle vs = new MapInfo.Styles.SimpleVectorPointStyle(37, System.Drawing.Color.Red, 14);
MapInfo.Styles.CompositeStyle cs = new MapInfo.Styles.CompositeStyle(vs);
MICommand cmd = _miConnection.CreateCommand();
cmd.Parameters.Add("geometry", MIDbType.FeatureGeometry);
cmd.Parameters.Add("style", MIDbType.Style);
cmd.CommandText = "Insert Into temp (obj,MI_Style) values (geometry,style)";
cmd.Prepare();
cmd.Parameters[0].Value = g;
cmd.Parameters[1].Value = cs;
int nchanged = cmd.ExecuteNonQuery();
cmd.Dispose();
map.Layers.Add(new MapInfo.Mapping.FeatureLayer(pointTable));
// another way: Map.Load(new MapTableLoader(table));
// make the map encompass the entire search layer
map.SetView(searchLayer);
// size the map form
mapForm.Size = new Size(500, 500);
//Show the form like a dialog (modal)
mapForm.ShowDialog(parentForm);
pointTable.Close();
}
private XmlElement CreateFeatureLayerElement(XmlDocument _doc, IMapLayer layer, string uniqueID)
{
Map map = GetMapObj(_mapAlias);
FeatureLayer flayer = (FeatureLayer)layer;
bool bRasterLayer = false;
bool bHasModifiers = false;
FeatureStyleModifiers mods = flayer.Modifiers;
if (mods.Count > 0)
{
bHasModifiers = true;
}
if (flayer.Type == LayerType.Raster ||
flayer.Type == LayerType.Grid ||
flayer.Type == LayerType.Wms)
{
bRasterLayer = true;
}
XmlElement element = _doc.CreateElement("branch");
if (bHasModifiers)
{
element.SetAttribute("branchtype", "", "folder");
element.SetAttribute("expanded", null, "true");
}
else
{
element.SetAttribute("branchtype", "", "leaf");
}
element.SetAttribute("title", null, layer.Name);
element.SetAttribute("alias", "", layer.Alias);
element.SetAttribute("type", "", layer.Type.ToString());
element.SetAttribute("uniqueid", "", uniqueID);
if (bRasterLayer)
{
element.SetAttribute("code", "", "nonselectable");
}
else if (bHasModifiers)
{
element.SetAttribute("code", "", "4");
}
else
{
element.SetAttribute("code", "", "featurelayer");
}
if (layer.IsVisible)
{
element.SetAttribute("visible", "true");
}
else
{
element.SetAttribute("visible", "false");
if (flayer.VisibleRangeEnabled && !flayer.VisibleRange.Within(map.Zoom))
{
element.SetAttribute("rangevisible", "true");
}
else
{
element.SetAttribute("rangevisible", "false");
}
}
// If layer is remote, image can be set from database style
// null value returned if layer is not remote
string image = DetermineRemoteGeomType(flayer);
if (image == null)
{
image = "lclayerpoint.bmp";
if (bRasterLayer)
{
image = "lclayerraster.bmp";
}
else
{
TableInfo tableInfo = flayer.Table.TableInfo;
GeometryColumn geoCol = null;
Columns columns = tableInfo.Columns;
foreach (Column col in columns)
{
geoCol = col as GeometryColumn;
if (geoCol != null)
{
break;
// TODO: Check for the case where there are MULTIPLE columns.
}
}
if (geoCol != null)
{
if (geoCol.PredominantGeometryType == GeometryType.MultiCurve)
{
image = "lclayerline.bmp";
}
else if ((geoCol.PredominantGeometryType == GeometryType.MultiPolygon) ||
(geoCol.PredominantGeometryType == GeometryType.Rectangle))
{
image = "lclayerregion.bmp";
}
else if (geoCol.PredominantGeometryType == GeometryType.Point)
{
image = "lclayerpoint.bmp";
}
}
}
}
element.SetAttribute("img", null, image);
if (bHasModifiers)
{
CreateFeatureModifierElement(_doc, flayer, element, uniqueID);
}
return(element);
}
/// <summary>
/// Process a csv file, mining the columns for something that we recognise as an area key. If this is satisfied, then we pass the file on to the next procedure
/// to make maps from the columns given the area key we found here.
/// </summary>
/// <param name="CSVUri"></param>
/// <param name="UniqueKey">Key unique to the table and data file i.e. not column unique</param>
/// <param name="Title"></param>
private void ProcessFile(Uri CSVUri, string UniqueKey, string Title)
{
//First, the area geometry
try
{
GF.DataRowsToCheck = 200;
GeometryProbabilities probs = GF.ProbableGeometryFromDataFile(CSVUri);
string GeometryName;
int ColumnIndex;
float prob;
bool success = probs.GetMax(out GeometryName, out ColumnIndex, out prob);
if (success)
{
//This is all the geometries that made the threshold
var sorted_probs = probs.OrderByDescending(p => p.Value); //sort matched columns by probability values
if ((sorted_probs.Count() > 1) && ((sorted_probs.ElementAt(0).Value - sorted_probs.ElementAt(1).Value) <= float.Epsilon))
{
Console.WriteLine("Area geometry tie - using geom hints");
//We have a tie, so use the geometry hints for additional weighting.
//Need to create a new GeometryProbabilites object
GeometryProbabilities weighted_probs = new GeometryProbabilities();
foreach (KeyValuePair <GeometryColumn, float> KVP in probs)
{
GeometryColumn col = KVP.Key;
if (_GeomHints.ContainsKey(col.GeometryName))
{
col.Probability *= _GeomHints[col.GeometryName];
}
weighted_probs.Add(col.GeometryName, col.ColumnIndex, col.ColumnName, col.Probability);
}
//now switch old probs and new weighted ones
probs = weighted_probs;
//and then do a re-sort
sorted_probs = probs.OrderByDescending(p => p.Value);
}
foreach (KeyValuePair <GeometryColumn, float> p in sorted_probs)
{
Console.WriteLine("Area Geometry: " + p.Key.GeometryName + " Column=" + p.Key.ColumnIndex + " probability=" + p.Key.Probability);
}
probs.GetMax(out GeometryName, out ColumnIndex, out prob);
if (prob > 0.8)
{
MakeMapsFromColumns(CSVUri, UniqueKey, GeometryName, ColumnIndex, Title);
}
}
//Second, try a point geometry
//PointGeometryXYCRS PXYCRS = GF.ProbablePointGeometryFromDataFile(CSVUri);
//if (!string.IsNullOrEmpty(PXYCRS.XFieldName))
//{
// Console.WriteLine("Point Geometry: XField=" + PXYCRS.XFieldName + " YField=" + PXYCRS.YFieldName);
// //write out CRS?
//}
////write out the column type information gained from the point data analysis
//foreach (ColumnType col in GF.ProbablePointDataColumnTypes)
//{
// Console.Write(col.Name);
// if (col.IsIndex)
// {
// Console.Write(" (Index)");
// }
// else if (col.IsNumeric)
// {
// Console.Write(" Numeric Min=" + col.Min + " Max=" + col.Max);
// }
// Console.WriteLine();
//}
}
catch (Exception ex)
{
Console.WriteLine("Exception: " + ex.Message);
}
}
