private bool DoJenksFisherCategorization(int colorIndex, bool multiAOI = false)
{
if (txtCategoryCount.Text.Length > 0)
{
_sheetMapSummary.Clear();
_categoryItems.Clear();
_dataValues = ComputeDataValues(multiAOI);
_dataValues.Sort();
var listBreaks = JenksFisher.CreateJenksFisherBreaksArray(_dataValues, int.Parse(txtCategoryCount.Text));
var n = 0;
var lower = listBreaks.Min();
var upper = 0D;
int row;
System.Drawing.Color color;
_categories.Clear();
ColorBlend blend = (ColorBlend)icbColorScheme.ColorSchemes.List[colorIndex];
_scheme = ColorSchemes.ColorBlend2ColorScheme(blend);
//make categories from the breaks defined in Jenk's-Fisher's
//add the category range and color to a datagridview
CategoryItem ci;
foreach (var item in listBreaks)
{
if (n > 0)
{
upper = item;
color = AddCategory(lower, upper);
ci = new CategoryItem();
ci.Upper = item;
ci.Color = color;
ci.Lower = lower;
ci.ClassSize = GetClassSize(lower, upper).ToString();
lower = item;
_categoryItems.Add(ci);
}
n++;
}
//add the last category to the datagridview
color = AddCategory(upper, _dataValues.Max() + 1);
ci = new CategoryItem();
ci.Color = color;
ci.Lower = listBreaks.Max();
ci.Upper = _dataValues.Max();
ci.ClassSize = GetClassSize(listBreaks.Max(), 0, true).ToString();
_categoryItems.Add(ci);
//add an empty null category
AddNullCategory();
return(_categoryItems.Count > 0);
}
else
{
MessageBox.Show("Specify number of categories", "GPX Manager", MessageBoxButton.OK, MessageBoxImage.Information);
}
return(false);
}
/// <summary>
/// 应用所选的颜色方案
/// </summary>
private void ApplyColorScheme2Categories()
{
if (_shapefile.Categories.Count > 0)
{
MapWinGIS.ColorScheme scheme = null;
if (icbCategories.SelectedIndex >= 0)
{
ColorBlend blend = (ColorBlend)icbCategories.ColorSchemes.List[icbCategories.SelectedIndex];
scheme = ColorSchemes.ColorBlend2ColorScheme(blend);
// saving the settings
//MWLite.Symbology.Layer layer = Globals.Legend.Layers.ItemByHandle(_layerHandle);
//_settings.CategoriesColorScheme = blend;
}
else
{
return;
}
if (chkRandomColors.Checked)
{
_shapefile.Categories.ApplyColorScheme(MapWinGIS.tkColorSchemeType.ctSchemeRandom, scheme);
}
else
{
_shapefile.Categories.ApplyColorScheme(MapWinGIS.tkColorSchemeType.ctSchemeGraduated, scheme);
}
MapWinGIS.ShapefileCategories categories = _shapefile.Categories;
//绘制catagorise选项
if (chkSetGradient.Checked)
{
for (int i = 0; i < categories.Count; i++)
{
ShapeDrawingOptions options = categories.get_Item(i).DrawingOptions;
options.SetGradientFill(options.FillColor, 75);
options.FillType = tkFillType.ftGradient;
}
}
else
{
for (int i = 0; i < categories.Count; i++)
{
ShapeDrawingOptions options = categories.get_Item(i).DrawingOptions;
options.FillColor2 = options.FillColor;
options.FillType = tkFillType.ftStandard;
}
}
}
}
private void UpdateFieldColors()
{
List <ColorBlend> schemes = icbColors.ColorSchemes.List;
if (schemes != null && icbColors.SelectedIndex >= 0)
{
ColorBlend blend = (ColorBlend)schemes[icbColors.SelectedIndex];
MapWinGIS.ColorScheme scheme = ColorSchemes.ColorBlend2ColorScheme(blend);
if (scheme != null)
{
for (int i = 0; i < _charts.NumFields; i++)
{
MapWinGIS.ChartField field = _charts.get_Field(i);
double value = (double)(i) / (double)(_charts.NumFields - 1);
field.Color = scheme.get_GraduatedColor(value);
}
}
}
}
/// <summary>
/// Generation of labels categories
/// </summary>
private void btnOk_Click(object sender, EventArgs e)
{
if (cboField.SelectedIndex < 0)
{
Globals.MessageBoxInformation("No field for generation was selected");
this.DialogResult = DialogResult.None;
return;
}
int count = 0;
if (!Int32.TryParse(cboCategoriesCount.Text, out count))
{
Globals.MessageBoxInformation("The entered categories count isn't a number");
this.DialogResult = DialogResult.None;
return;
}
string fieldName = cboField.SelectedItem.ToString();
int index = -1;
for (int i = 0; i < m_shapefile.NumFields; i++)
{
if (m_shapefile.get_Field(i).Name == fieldName)
{
index = i;
break;
}
}
if (index == -1)
{
return;
}
m_shapefile.Labels.GenerateCategories(index, (MapWinGIS.tkClassificationType)cboClassificationType.SelectedIndex, count);
if (chkUseVariableSize.Checked)
{
int numCategories = m_shapefile.Labels.NumCategories;
double step = (double)(udMaxSize.Value - udMinSize.Value) / ((double)numCategories - 1);
for (int i = 0; i < numCategories; i++)
{
m_shapefile.Labels.get_Category(i).FontSize = (int)udMinSize.Value + Convert.ToInt32(i * step);
}
}
if (chkGraduatedFrame.Checked)
{
ColorBlend blend = (ColorBlend)icbFrame.ColorSchemes.List[icbFrame.SelectedIndex];
MapWinGIS.ColorScheme scheme = ColorSchemes.ColorBlend2ColorScheme(blend);
tkColorSchemeType type = chkRandomColors.Checked ? tkColorSchemeType.ctSchemeRandom : tkColorSchemeType.ctSchemeGraduated;
m_shapefile.Labels.ApplyColorScheme2(type, scheme, tkLabelElements.leFrameBackground);
}
for (int i = 0; i < m_shapefile.Labels.NumCategories; i++)
{
m_shapefile.Labels.get_Category(i).FrameVisible = chkGraduatedFrame.Checked;
}
m_shapefile.Labels.ApplyCategories();
SaveSettings();
}
/// <summary>
/// Generates shapefile categories according to specified options
/// </summary>
private void btnOk_Click(object sender, EventArgs e)
{
if (cboField.SelectedIndex < 0)
{
Globals.MessageBoxInformation("No field for generation was selected.");
this.DialogResult = DialogResult.None;
return;
}
int count;
if (!Int32.TryParse(cboCategoriesCount.Text, out count))
{
Globals.MessageBoxError("Number of categories isn't a valid interger.");
return;
}
MapWinGIS.ShapefileCategories categories = _shapefile.Categories;
int index = ((ComboItem)cboField.SelectedItem).RealIndex;
categories.Generate(index, (MapWinGIS.tkClassificationType)cboClassificationType.SelectedIndex, count);
categories.Caption = "Categories: " + _shapefile.get_Field(index).Name;
if (chkUseVariableSize.Checked)
{
if (_shapefile.ShapefileType == ShpfileType.SHP_POINT || _shapefile.ShapefileType == ShpfileType.SHP_MULTIPOINT)
{
double step = (double)(udMaxSize.Value - udMinSize.Value) / ((double)categories.Count - 1);
for (int i = 0; i < categories.Count; i++)
{
categories.get_Item(i).DrawingOptions.PointSize = (int)udMinSize.Value + Convert.ToInt32(i * step);
}
}
else if (_shapefile.ShapefileType == ShpfileType.SHP_POLYLINE)
{
double step = (double)(udMaxSize.Value + udMinSize.Value) / (double)categories.Count;
for (int i = 0; i < categories.Count; i++)
{
categories.get_Item(i).DrawingOptions.LineWidth = (int)udMinSize.Value + Convert.ToInt32(i * step);
}
}
}
MapWinGIS.ColorScheme scheme = null;
if (icbColorScheme.SelectedIndex >= 0)
{
ColorBlend blend = (ColorBlend)icbColorScheme.ColorSchemes.List[icbColorScheme.SelectedIndex];
scheme = ColorSchemes.ColorBlend2ColorScheme(blend);
}
tkColorSchemeType type = chkRandomColors.Checked ? tkColorSchemeType.ctSchemeRandom : tkColorSchemeType.ctSchemeGraduated;
_shapefile.Categories.ApplyColorScheme(type, scheme);
if (chkSetGradient.Checked)
{
for (int i = 0; i < categories.Count; i++)
{
ShapeDrawingOptions options = categories.get_Item(i).DrawingOptions;
options.SetGradientFill(options.FillColor, 75);
options.FillType = tkFillType.ftGradient;
}
}
_shapefile.Categories.ApplyExpressions();
SaveSettings();
}