// Creates a simple theme using the default values
private void SimpleTheme(Map map)
{
// Get table from the feature layer
MapInfo.Mapping.FeatureLayer mexicoLayer = map.Layers["mexico"] as MapInfo.Mapping.FeatureLayer;
MapInfo.Data.Table mexicoTable = mexicoLayer.Table;
// Create the theme
GraduatedSymbolTheme theme = new GraduatedSymbolTheme(mexicoTable, "Pop_90");
// Create the theme layer
ObjectThemeLayer themeLayer = new ObjectThemeLayer("Population1990", "Population1990", theme);
// Add theme layer to the map
map.Layers.Add(themeLayer);
}
// Creates a theme with a non-default symbol
private void CustomPositiveSymbolTheme(Map map)
{
// Get table from the feature layer
MapInfo.Mapping.FeatureLayer mexicoLayer = map.Layers["mexico"] as MapInfo.Mapping.FeatureLayer;
MapInfo.Data.Table mexicoTable = mexicoLayer.Table;
// Create the theme
GraduatedSymbolTheme theme = new GraduatedSymbolTheme(mexicoTable, "Pop_90");
// Replace the default symbol of the theme
theme.PositiveSymbol = new MapInfo.Styles.SimpleVectorPointStyle(35, Color.Blue, 36);
// Create the theme layer
ObjectThemeLayer themeLayer = new ObjectThemeLayer("Population1990", "Population1990", theme);
// Add theme layer to the map
map.Layers.Add(themeLayer);
}
// Creates a theme with a custom DataValueAtSize property
private void DataValueAtSizeTheme(Map map)
{
// Get table from the feature layer
MapInfo.Mapping.FeatureLayer mexicoLayer = map.Layers["mexico"] as MapInfo.Mapping.FeatureLayer;
MapInfo.Data.Table mexicoTable = mexicoLayer.Table;
// Create the theme
GraduatedSymbolTheme theme = new GraduatedSymbolTheme(mexicoTable, "Pop_90");
// Decreasing DataValueAtSize value will increase the size of the symbols.
theme.DataValueAtSize /= 4;
// Create the theme layer
ObjectThemeLayer themeLayer = new ObjectThemeLayer("Population1990", "Population1990", theme);
// Add theme layer to the map
map.Layers.Add(themeLayer);
}
// Creates a theme whose symbol sizes are graduated logarithmically
private void GraduateByLogTheme(Map map)
{
// Get table from the feature layer
MapInfo.Mapping.FeatureLayer mexicoLayer = map.Layers["mexico"] as MapInfo.Mapping.FeatureLayer;
MapInfo.Data.Table mexicoTable = mexicoLayer.Table;
// Create the theme
GraduatedSymbolTheme theme = new GraduatedSymbolTheme(mexicoTable, "Pop_90");
// Graduate the size logarithmically
theme.GraduateSizeBy = GraduateSizeBy.Log;
// Create the theme layer
ObjectThemeLayer themeLayer = new ObjectThemeLayer("Population1990", "Population1990", theme);
// Add theme layer to the map
map.Layers.Add(themeLayer);
}
// Creates a theme that shows symbols for negative values.
// Also uses the NumericNull property to hide the symbol of
// the greatest theme value.
private void NegativeValueTheme(Map map)
{
// Get table from the feature layer
MapInfo.Mapping.FeatureLayer mexicoLayer = map.Layers["mexico"] as MapInfo.Mapping.FeatureLayer;
MapInfo.Data.Table mexicoTable = mexicoLayer.Table;
// Add a temporary column to the mexico table,
// calulating the difference between Pop_90 and Pop_80
MapInfo.Data.Columns tempColumns = new MapInfo.Data.Columns();
tempColumns.Add(new MapInfo.Data.Column("CarsMinusTrucks", "(Cars_91-Trucks_91)"));
mexicoTable.AddColumns(tempColumns);
// Create the theme
GraduatedSymbolTheme theme = new GraduatedSymbolTheme(mexicoTable, "CarsMinusTrucks");
// Show Negative symbols
theme.ShowNegativeSymbol = true;
// Setup symbols
theme.PositiveSymbol = new MapInfo.Styles.SimpleVectorPointStyle(35, Color.Blue, 18);
theme.NegativeSymbol = new MapInfo.Styles.SimpleVectorPointStyle(35, Color.Red, 36);
// Get the larget value in the theme column
MapInfo.Data.MIDataReader reader = mexicoTable.ExecuteReader("MAX(CarsMinusTrucks)");
reader.MoveNext();
double maxValue = reader.GetDouble(0);
reader.Dispose();
// Setup the numeric null value to exclude the largest value
theme.NumericNull = maxValue;
theme.HasNumericNull = true;
// These end up being small values, so use the DataValueAtSize
// property to increase the size of the symbols
theme.DataValueAtSize = 50000;
// Create the theme layer
ObjectThemeLayer themeLayer = new ObjectThemeLayer("CarOrTruck", "CarOrTruck", theme);
// Add theme layer to the map
map.Layers.Add(themeLayer);
}
private void ModifyTheme()
{
try
{
// Bring up the modify theme dialog for modifier themes
if (_themedFeatureLayer != null)
{
FeatureStyleModifier modifier = _themedFeatureLayer.Modifiers["theme1"];
if (modifier != null)
{
if (modifier is DotDensityTheme)
{
DotDensityTheme thm = modifier as DotDensityTheme;
ModifyDotDensityThemeDlg dlg = new ModifyDotDensityThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
else if (modifier is RangedTheme)
{
RangedTheme thm = modifier as RangedTheme;
ModifyRangedThemeDlg dlg = new ModifyRangedThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
else if (modifier is IndividualValueTheme)
{
IndividualValueTheme thm = modifier as IndividualValueTheme;
ModifyIndValueThemeDlg dlg = new ModifyIndValueThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
_themedFeatureLayer.Invalidate();
}
}
// Bring up the modify theme dialog for object themes
ObjectThemeLayer thmLayer = mapControl1.Map.Layers["theme1"] as ObjectThemeLayer;
if (thmLayer != null)
{
if (thmLayer.Theme is GraduatedSymbolTheme)
{
GraduatedSymbolTheme thm = thmLayer.Theme as GraduatedSymbolTheme;
ModifyGradSymbolThemeDlg dlg = new ModifyGradSymbolThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
else if (thmLayer.Theme is BarTheme)
{
BarTheme thm = thmLayer.Theme as BarTheme;
ModifyBarThemeDlg dlg = new ModifyBarThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
else if (thmLayer.Theme is PieTheme)
{
PieTheme thm = thmLayer.Theme as PieTheme;
ModifyPieThemeDlg dlg = new ModifyPieThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
thmLayer.RebuildTheme();
}
if (_themedLabelLayer != null)
{
LabelModifier labelModifier = _themedLabelLayer.Sources[0].Modifiers["theme1"];
if (labelModifier != null)
{
if (labelModifier is RangedLabelTheme)
{
RangedLabelTheme thm = labelModifier as RangedLabelTheme;
ModifyRangedThemeDlg dlg = new ModifyRangedThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
else if (labelModifier is IndividualValueLabelTheme)
{
IndividualValueLabelTheme thm = labelModifier as IndividualValueLabelTheme;
ModifyIndValueThemeDlg dlg = new ModifyIndValueThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
_themedLabelLayer.Invalidate();
}
}
}
catch (MapException)
{
}
}
// Creates a simple theme using the default values
private void SimpleTheme(Map map)
{
// Get table from the feature layer
MapInfo.Mapping.FeatureLayer mexicoLayer = map.Layers["mexico"] as MapInfo.Mapping.FeatureLayer;
MapInfo.Data.Table mexicoTable = mexicoLayer.Table;
// Create the theme
GraduatedSymbolTheme theme = new GraduatedSymbolTheme(mexicoTable, "Pop_90");
// Create the theme layer
ObjectThemeLayer themeLayer = new ObjectThemeLayer("Population1990", "Population1990", theme);
// Add theme layer to the map
map.Layers.Add(themeLayer);
}
// Creates a theme that shows symbols for negative values.
// Also uses the NumericNull property to hide the symbol of
// the greatest theme value.
private void NegativeValueTheme(Map map)
{
// Get table from the feature layer
MapInfo.Mapping.FeatureLayer mexicoLayer = map.Layers["mexico"] as MapInfo.Mapping.FeatureLayer;
MapInfo.Data.Table mexicoTable = mexicoLayer.Table;
// Add a temporary column to the mexico table,
// calulating the difference between Pop_90 and Pop_80
MapInfo.Data.Columns tempColumns = new MapInfo.Data.Columns();
tempColumns.Add(new MapInfo.Data.Column("CarsMinusTrucks", "(Cars_91-Trucks_91)"));
mexicoTable.AddColumns(tempColumns);
// Create the theme
GraduatedSymbolTheme theme = new GraduatedSymbolTheme(mexicoTable, "CarsMinusTrucks");
// Show Negative symbols
theme.ShowNegativeSymbol = true;
// Setup symbols
theme.PositiveSymbol = new MapInfo.Styles.SimpleVectorPointStyle(35, Color.Blue, 18);
theme.NegativeSymbol = new MapInfo.Styles.SimpleVectorPointStyle(35, Color.Red, 36);
// Get the larget value in the theme column
MapInfo.Data.MIDataReader reader = mexicoTable.ExecuteReader("MAX(CarsMinusTrucks)");
reader.MoveNext();
double maxValue = reader.GetDouble(0);
reader.Dispose();
// Setup the numeric null value to exclude the largest value
theme.NumericNull = maxValue;
theme.HasNumericNull = true;
// These end up being small values, so use the DataValueAtSize
// property to increase the size of the symbols
theme.DataValueAtSize = 50000;
// Create the theme layer
ObjectThemeLayer themeLayer = new ObjectThemeLayer("CarOrTruck", "CarOrTruck", theme);
// Add theme layer to the map
map.Layers.Add(themeLayer);
}
// Creates a theme whose symbol sizes are graduated logarithmically
private void GraduateByLogTheme(Map map)
{
// Get table from the feature layer
MapInfo.Mapping.FeatureLayer mexicoLayer = map.Layers["mexico"] as MapInfo.Mapping.FeatureLayer;
MapInfo.Data.Table mexicoTable = mexicoLayer.Table;
// Create the theme
GraduatedSymbolTheme theme = new GraduatedSymbolTheme(mexicoTable, "Pop_90");
// Graduate the size logarithmically
theme.GraduateSizeBy = GraduateSizeBy.Log;
// Create the theme layer
ObjectThemeLayer themeLayer = new ObjectThemeLayer("Population1990", "Population1990", theme);
// Add theme layer to the map
map.Layers.Add(themeLayer);
}
// Creates a theme with a custom DataValueAtSize property
private void DataValueAtSizeTheme(Map map)
{
// Get table from the feature layer
MapInfo.Mapping.FeatureLayer mexicoLayer = map.Layers["mexico"] as MapInfo.Mapping.FeatureLayer;
MapInfo.Data.Table mexicoTable = mexicoLayer.Table;
// Create the theme
GraduatedSymbolTheme theme = new GraduatedSymbolTheme(mexicoTable, "Pop_90");
// Decreasing DataValueAtSize value will increase the size of the symbols.
theme.DataValueAtSize /= 4;
// Create the theme layer
ObjectThemeLayer themeLayer = new ObjectThemeLayer("Population1990", "Population1990", theme);
// Add theme layer to the map
map.Layers.Add(themeLayer);
}
// Creates a theme with a non-default symbol
private void CustomPositiveSymbolTheme(Map map)
{
// Get table from the feature layer
MapInfo.Mapping.FeatureLayer mexicoLayer = map.Layers["mexico"] as MapInfo.Mapping.FeatureLayer;
MapInfo.Data.Table mexicoTable = mexicoLayer.Table;
// Create the theme
GraduatedSymbolTheme theme = new GraduatedSymbolTheme(mexicoTable, "Pop_90");
// Replace the default symbol of the theme
theme.PositiveSymbol = new MapInfo.Styles.SimpleVectorPointStyle(35, Color.Blue, 36);
// Create the theme layer
ObjectThemeLayer themeLayer = new ObjectThemeLayer("Population1990", "Population1990", theme);
// Add theme layer to the map
map.Layers.Add(themeLayer);
}
// Disable other LabelLayers if we demo a new LabelLayer with theme or modifier sample.
// so User could see theme/modifier label layer clearly.
// public static void HandleLabelLayerVisibleStatus(Map map)
// {
// if(map == null) return;
// for(int index=0; index < map.Layers.Count; index++)
// {
// IMapLayer lyr = map.Layers[index];
// if(lyr is LabelLayer)
// {
// LabelLayer ll = lyr as LabelLayer;
// if(map.Layers[SampleConstants.NewLabelLayerAlias] != null
// && ll.Alias != SampleConstants.NewLabelLayerAlias)
// {
// ll.Enabled = false;
// }
// else
// {
// ll.Enabled = true;
// }
// }
// }
// }
// Create all MapXtreme.Net themes and modifiers for the bound data
// and add them into the corresponding Map object.
private void CreateThemeOrModifier(string themeName)
{
Map myMap = GetMapObj();
if (myMap == null)
{
return;
}
// Clean up all temp themes or modifiers from the Map object.
this.CleanUp(myMap);
FeatureLayer fLyr = myMap.Layers[SampleConstants.ThemeLayerAlias] as FeatureLayer;
ThemeAndModifierTypes themeType = ThemesAndModifiers.GetThemeAndModifierTypesByName(themeName);
string alias = ConstructThemeAlias(themeType);
switch (themeType)
{
case ThemeAndModifierTypes.RangedTheme:
RangedTheme rt = new RangedTheme(fLyr, GetThemeOrModifierExpression(), alias, 5, MapInfo.Mapping.Thematics.DistributionMethod.EqualCountPerRange);
fLyr.Modifiers.Append(rt);
break;
case ThemeAndModifierTypes.DotDensityTheme:
DotDensityTheme ddt = new DotDensityTheme(fLyr, GetThemeOrModifierExpression(), alias, Color.Purple, DotDensitySize.Large);
ddt.ValuePerDot = 2000000d;
fLyr.Modifiers.Append(ddt);
break;
case ThemeAndModifierTypes.IndividualValueTheme:
IndividualValueTheme ivt = new IndividualValueTheme(fLyr, GetThemeOrModifierExpression(), alias);
fLyr.Modifiers.Append(ivt);
break;
case ThemeAndModifierTypes.PieTheme:
PieTheme pt = new PieTheme(myMap, fLyr.Table, GetThemeOrModifierExpressions());
ObjectThemeLayer otlPt = new ObjectThemeLayer("PieTheme", alias, pt);
GetTheGroupLayer().Insert(0, otlPt);
break;
case ThemeAndModifierTypes.BarTheme:
BarTheme bt = new BarTheme(myMap, fLyr.Table, GetThemeOrModifierExpressions());
bt.DataValueAtSize = 10000000;
bt.Size = new MapInfo.Engine.PaperSize(0.1, 0.1, MapInfo.Geometry.PaperUnit.Inch);
bt.Width = new MapInfo.Engine.PaperSize(0.1, MapInfo.Geometry.PaperUnit.Inch);
ObjectThemeLayer otlBt = new ObjectThemeLayer("BarTheme", alias, bt);
GetTheGroupLayer().Insert(0, otlBt);
break;
case ThemeAndModifierTypes.GraduatedSymbolTheme:
GraduatedSymbolTheme gst = new GraduatedSymbolTheme(fLyr.Table, GetThemeOrModifierExpression());
ObjectThemeLayer otlGst = new ObjectThemeLayer("GraduatedSymbolTheme", alias, gst);
GetTheGroupLayer().Insert(0, otlGst);
break;
case ThemeAndModifierTypes.FeatureOverrideStyleModifier:
FeatureOverrideStyleModifier fosm = new FeatureOverrideStyleModifier("OverrideTheme", alias);
SimpleInterior fs = new SimpleInterior((SimpleInterior.MaxFillPattern - SimpleInterior.MinFillPattern) / 2, Color.FromArgb(10, 23, 90), Color.FromArgb(33, 35, 35), false);
fs.SetApplyAll();
SimpleLineStyle lineStyle = new SimpleLineStyle(new LineWidth(2, LineWidthUnit.Point), (SimpleLineStyle.MaxLinePattern - SimpleLineStyle.MinLinePattern) / 2);
lineStyle.Color = Color.FromArgb(111, 150, 230);
lineStyle.Interleaved = false;
lineStyle.SetApplyAll();
fosm.Style.AreaStyle = new AreaStyle(lineStyle, fs);
fLyr.Modifiers.Append(fosm);
break;
case ThemeAndModifierTypes.Label_IndividualValueLabelTheme:
IndividualValueLabelTheme ivlt = new IndividualValueLabelTheme(fLyr.Table, GetThemeOrModifierExpression(), alias);
CreateLabelLayer(myMap, fLyr.Table, GetThemeOrModifierExpression()).Sources[0].Modifiers.Append(ivlt);
break;
case ThemeAndModifierTypes.Label_RangedLabelTheme:
RangedLabelTheme rlt = new RangedLabelTheme(fLyr.Table, GetThemeOrModifierExpression(), alias, 5, DistributionMethod.EqualCountPerRange);
CreateLabelLayer(myMap, fLyr.Table, GetThemeOrModifierExpression()).Sources[0].Modifiers.Append(rlt);
break;
case ThemeAndModifierTypes.Label_OverrideLabelModifier:
OverrideLabelModifier olm = new OverrideLabelModifier(alias, "OverrideLabelModifier");
MapInfo.Styles.Font font = new MapInfo.Styles.Font("Arial", 24, Color.Red, Color.Yellow, FontFaceStyle.Italic,
FontWeight.Bold, TextEffect.Halo, TextDecoration.All, TextCase.AllCaps, true, true);
font.Attributes = StyleAttributes.FontAttributes.All;
olm.Properties.Style = new TextStyle(font);
olm.Properties.Caption = GetThemeOrModifierExpression();
CreateLabelLayer(myMap, fLyr.Table, GetThemeOrModifierExpression()).Sources[0].Modifiers.Append(olm);
break;
default:
break;
}
}
// Create all MapXtreme.Net themes and modifiers for the bound data
// and add them into the corresponding Map object.
private void CreateThemeOrModifier(string themeName)
{
Map myMap = GetMapObj();
if(myMap == null)return;
// Clean up all temp themes or modifiers from the Map object.
this.CleanUp(myMap);
FeatureLayer fLyr = myMap.Layers[SampleConstants.ThemeLayerAlias] as FeatureLayer;
ThemeAndModifierTypes themeType = ThemesAndModifiers.GetThemeAndModifierTypesByName(themeName);
string alias = ConstructThemeAlias(themeType);
switch(themeType)
{
case ThemeAndModifierTypes.RangedTheme:
RangedTheme rt = new RangedTheme(fLyr, GetThemeOrModifierExpression(), alias, 5, MapInfo.Mapping.Thematics.DistributionMethod.EqualCountPerRange);
fLyr.Modifiers.Append(rt);
break;
case ThemeAndModifierTypes.DotDensityTheme:
DotDensityTheme ddt = new DotDensityTheme(fLyr, GetThemeOrModifierExpression(), alias, Color.Purple, DotDensitySize.Large);
ddt.ValuePerDot = 2000000d;
fLyr.Modifiers.Append(ddt);
break;
case ThemeAndModifierTypes.IndividualValueTheme:
IndividualValueTheme ivt = new IndividualValueTheme(fLyr, GetThemeOrModifierExpression(), alias);
fLyr.Modifiers.Append(ivt);
break;
case ThemeAndModifierTypes.PieTheme:
PieTheme pt = new PieTheme(myMap, fLyr.Table, GetThemeOrModifierExpressions());
ObjectThemeLayer otlPt = new ObjectThemeLayer("PieTheme", alias, pt);
GetTheGroupLayer().Insert(0, otlPt);
break;
case ThemeAndModifierTypes.BarTheme:
BarTheme bt = new BarTheme(myMap, fLyr.Table, GetThemeOrModifierExpressions());
bt.DataValueAtSize = 10000000;
bt.Size = new MapInfo.Engine.PaperSize(0.1, 0.1, MapInfo.Geometry.PaperUnit.Inch);
bt.Width = new MapInfo.Engine.PaperSize(0.1, MapInfo.Geometry.PaperUnit.Inch);
ObjectThemeLayer otlBt = new ObjectThemeLayer("BarTheme", alias, bt);
GetTheGroupLayer().Insert(0, otlBt);
break;
case ThemeAndModifierTypes.GraduatedSymbolTheme:
GraduatedSymbolTheme gst = new GraduatedSymbolTheme(fLyr.Table, GetThemeOrModifierExpression());
ObjectThemeLayer otlGst = new ObjectThemeLayer("GraduatedSymbolTheme", alias, gst);
GetTheGroupLayer().Insert(0, otlGst);
break;
case ThemeAndModifierTypes.FeatureOverrideStyleModifier:
FeatureOverrideStyleModifier fosm = new FeatureOverrideStyleModifier("OverrideTheme", alias);
SimpleInterior fs = new SimpleInterior((SimpleInterior.MaxFillPattern - SimpleInterior.MinFillPattern) / 2, Color.FromArgb(10, 23, 90), Color.FromArgb(33, 35, 35), false);
fs.SetApplyAll();
SimpleLineStyle lineStyle = new SimpleLineStyle(new LineWidth(2, LineWidthUnit.Point), (SimpleLineStyle.MaxLinePattern - SimpleLineStyle.MinLinePattern) /2);
lineStyle.Color = Color.FromArgb(111, 150, 230);
lineStyle.Interleaved = false;
lineStyle.SetApplyAll();
fosm.Style.AreaStyle = new AreaStyle(lineStyle, fs);
fLyr.Modifiers.Append(fosm);
break;
case ThemeAndModifierTypes.Label_IndividualValueLabelTheme:
IndividualValueLabelTheme ivlt = new IndividualValueLabelTheme(fLyr.Table, GetThemeOrModifierExpression(), alias);
CreateLabelLayer(myMap, fLyr.Table, GetThemeOrModifierExpression()).Sources[0].Modifiers.Append(ivlt);
break;
case ThemeAndModifierTypes.Label_RangedLabelTheme:
RangedLabelTheme rlt = new RangedLabelTheme(fLyr.Table, GetThemeOrModifierExpression(), alias, 5, DistributionMethod.EqualCountPerRange);
CreateLabelLayer(myMap, fLyr.Table, GetThemeOrModifierExpression()).Sources[0].Modifiers.Append(rlt);
break;
case ThemeAndModifierTypes.Label_OverrideLabelModifier:
OverrideLabelModifier olm = new OverrideLabelModifier(alias, "OverrideLabelModifier");
MapInfo.Styles.Font font = new MapInfo.Styles.Font("Arial", 24, Color.Red, Color.Yellow, FontFaceStyle.Italic,
FontWeight.Bold, TextEffect.Halo, TextDecoration.All, TextCase.AllCaps, true, true);
font.Attributes = StyleAttributes.FontAttributes.All;
olm.Properties.Style = new TextStyle(font);
olm.Properties.Caption = GetThemeOrModifierExpression();
CreateLabelLayer(myMap, fLyr.Table, GetThemeOrModifierExpression()).Sources[0].Modifiers.Append(olm);
break;
default:
break;
}
}
