/// <summary>
/// Displaying the visualiztion options according to the chosen classification
/// </summary>
private void RefreshControlsState(object sender, EventArgs e)
{
bool uniqueValues = ((tkClassificationType)cboClassificationType.SelectedIndex == tkClassificationType.ctUniqueValues);
cboCategoriesCount.Enabled = !uniqueValues;
// fields; graduated color schemes doesn't accept string fields, therefore we need to build new list in this case
string fieldName = "";
if (cboField.SelectedItem != null)
{
fieldName = cboField.SelectedItem.ToString();
}
cboField.Items.Clear();
if (m_shapefile != null)
{
for (int i = 0; i < m_shapefile.NumFields; i++)
{
if ((!uniqueValues) && m_shapefile.get_Field(i).Type == FieldType.STRING_FIELD)
{
continue;
}
cboField.Items.Add(m_shapefile.get_Field(i).Name);
}
if (cboField.Items.Count > 0)
{
if (fieldName != "")
{
for (int i = 0; i < cboField.Items.Count; i++)
{
if (cboField.Items[i].ToString() == fieldName)
{
cboField.SelectedIndex = i;
break;
}
}
if (cboField.SelectedIndex == -1)
{
cboField.SelectedIndex = 0;
}
}
else
{
cboField.SelectedIndex = 0;
}
}
}
udMinSize.Enabled = chkUseVariableSize.Checked;
udMaxSize.Enabled = chkUseVariableSize.Checked;
icbFrame.Enabled = chkGraduatedFrame.Checked;
btnFrameScheme.Enabled = chkGraduatedFrame.Checked;
groupColors.Text = m_shapefile.Labels.FrameVisible ? "Frame colors" : "Font colors";
chkRandomColors.Enabled = chkGraduatedFrame.Checked;
}
private void PopulateForm(bool ShowAfterward, MapWinGIS.Shapefile shapeFile, int shpIndex, bool calledBySelf)
{
if (!calledBySelf)
{
m_HavePanel = !ShowAfterward;
}
try
{
System.Windows.Forms.ListViewItem item;
int numFields;
m_ShapeFile = shapeFile;
//clear the list view items
lv.Items.Clear();
numFields = shapeFile.NumFields;
for (int i = 0; i < numFields; i++)
{
string s = shapeFile.get_CellValue(i, shpIndex).ToString();
item = lv.Items.Add(shapeFile.get_Field(i).Name);
item.SubItems.Add(s);
item.ForeColor = Color.Black;
if (s.ToLower().StartsWith("http") || s.ToLower().StartsWith("file://"))
{
item.ForeColor = Color.Blue;
}
}
//color the current shape red
if (m_SelShape != -1)
{
m_parent.m_MapWin.View.SelectedShapes.AddByIndex(m_SelShape, YELLOW);
}
m_SelShape = shpIndex;
m_parent.m_MapWin.View.SelectedShapes.AddByIndex(shpIndex, RED);
if (ShowAfterward)
{
this.Show();
}
}
catch (System.Exception ex)
{
ShowErrorBox("PopulateForm()", ex.Message);
}
}
/// <summary>
/// Fills the fields tab
/// </summary>
private void InitFields()
{
// building list of fields
listLeft.Items.Clear();
listRight.Items.Clear();
for (int i = 0; i < _shapefile.NumFields; i++)
{
if (_shapefile.get_Field(i).Type != FieldType.STRING_FIELD)
{
listLeft.Items.Add(_shapefile.get_Field(i).Name);
}
}
// in case some fields have been chosen we must show them
if (_shapefile.Charts.NumFields > 0)
{
for (int i = 0; i < _shapefile.Charts.NumFields; i++)
{
string name = _shapefile.Charts.get_Field(i).Name.ToLower();
for (int j = 0; j < listLeft.Items.Count; j++)
{
if (listLeft.Items[j].ToString().ToLower() == name)
{
listRight.Items.Add(listLeft.Items[j]);
listLeft.Items.Remove(listLeft.Items[j]);
break;
}
}
}
}
if (listLeft.Items.Count > 0)
{
listLeft.SelectedIndex = 0;
}
if (listRight.Items.Count > 0)
{
listRight.SelectedIndex = 0;
}
// Filling size and normalization fields
cboChartSizeField.Items.Clear();
cboChartNormalizationField.Items.Clear();
cboChartSizeField.Items.Add("<None>"); // default
cboChartNormalizationField.Items.Add("<None>");
for (int i = 0; i < _shapefile.NumFields; i++)
{
MapWinGIS.Field fld = _shapefile.get_Field(i);
if (fld.Type != FieldType.STRING_FIELD)
{
cboChartSizeField.Items.Add(fld.Name);
cboChartNormalizationField.Items.Add(fld.Name);
}
}
if (cboChartSizeField.Items.Count >= 0)
{
cboChartSizeField.SelectedIndex = 0;
}
if (cboChartNormalizationField.Items.Count >= 0)
{
cboChartNormalizationField.SelectedIndex = 0;
}
// size field
MapWinGIS.Charts charts = _shapefile.Charts;
if (charts.SizeField >= 0 && charts.SizeField < cboChartSizeField.Items.Count - 1) // first item is <none>
{
Field fld = _shapefile.get_Field(charts.SizeField);
if (fld != null)
{
for (int i = 2; i < cboChartSizeField.Items.Count; i++) // 2 = <none> and <sum of fields>
{
if (fld.Name == cboChartSizeField.Items[i].ToString())
{
cboChartSizeField.SelectedIndex = i;
break;
}
}
}
}
else
{
cboChartSizeField.SelectedIndex = 0;
}
// normalization field
if (charts.NormalizationField >= 0 && charts.NormalizationField < cboChartNormalizationField.Items.Count - 1) // first item is <none>
{
Field fld = _shapefile.get_Field(charts.NormalizationField);
if (fld != null)
{
for (int i = 2; i < cboChartNormalizationField.Items.Count; i++) // 2 = <none> and <sum of fields>
{
if (fld.Name == cboChartNormalizationField.Items[i].ToString())
{
cboChartNormalizationField.SelectedIndex = i;
break;
}
}
}
}
else
{
cboChartNormalizationField.SelectedIndex = 0;
}
}
/// <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();
}
/// <summary>
/// 'Copyright (C) 2008 Enrico Antonio Chiaradia, UNIMI
///'This program is free software; you can redistribute it and/or
///'modify it under the terms of the GNU General Public License
///'version 2, 1991 as published by the Free Software Foundation.
///'This program is distributed in the hope that it will be useful,
///'but WITHOUT ANY WARRANTY; without even the implied warranty of
///'MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
///'GNU General Public License for more details.
///'A copy of the full GNU General Public License is available at:
///'http://www.gnu.org/copyleft/gpl.html
///'or from:
///'The Free Software Foundation, Inc., 59 Temple Place - Suite 330,
///'Boston, MA 02111-1307, USA.
///'If you wish to use or incorporate this program (or parts of it) into
///'other software that does not meet the GNU General Public License
///'conditions contact the author to request permission.
///'If you have any question or suggestion, please contact the author.
///'Enrico A. Chiaradia
///'University of Milan
///'Ist. di Idraulica Agraria
///'via Celoria 2
///'20133, Milan, Italy
///'email: [email protected]
/// </summary>
/// <param name="sfPath">the name of the shapefile</param>
/// <param name="resultGridPath">the name of the new grid</param>
/// <param name="gridFileType">file type of the new grid</param>
/// <param name="gridDataType">data format of the new grid</param>
/// <param name="sfValueField">the name of the field that contains data</param>
/// <param name="resultGridHeader">contains information about dimension of the new grid</param>
/// <param name="callback">(optional) reports progress and error messages</param>
/// <returns></returns>
public bool ShapefileToGrid2(string SfNm, string GrdName,
MapWinGIS.GridFileType GrdFileType, MapWinGIS.GridDataType GrdDataType,
string Fldname, MapWinGIS.GridHeader GrdHd,
MapWinGIS.ICallback cback)
{
int i;
bool flg;
string projStr;
//open the shapefile
MapWinGIS.Shapefile MySf = new MapWinGIS.Shapefile();
flg = MySf.Open(SfNm, cback);
if (flg == false)
{
reportError("ERROR in opening shapefile: " + SfNm, cback);
MySf.Close();
return false;
}
//get the handle for the field
MapWinGIS.Field field;
int FldId = -1;
int LayFldNum = MySf.NumFields;
i = 0;
for (i = 0; i < LayFldNum; ++i)
{
field = MySf.get_Field(i);
if (field.Name.ToLower() == Fldname.ToLower())
{
FldId = i;
break;
}
}
if (FldId < 0)
{
reportError("The shapefile " + SfNm + " doesn't have a field " + Fldname, cback);
MySf.Close();
return false;
}
//copy shapefile projection
projStr = MySf.Projection;
if (!MapWinUtility.Strings.IsEmpty(projStr))
{
GrdHd.Projection = projStr;
}
//create a new grid and a new gridheader
MapWinGIS.Grid NewGrd = new MapWinGIS.Grid();
flg = NewGrd.CreateNew(GrdName, GrdHd, GrdDataType, GrdHd.NodataValue, false, GrdFileType, cback);
if (flg == false)
{
reportError("ERROR in grid initialization: " + GrdName, cback);
NewGrd.Close();
MySf.Close();
}
//verify the type of shapefile and call rasterization function
MapWinGIS.ShpfileType SfType = new MapWinGIS.ShpfileType();
SfType = MySf.ShapefileType;
switch (SfType)
{
case ShpfileType.SHP_POLYGON:
case ShpfileType.SHP_POLYGONM:
case ShpfileType.SHP_POLYGONZ:
flg = Poly2Grid(MySf, FldId, NewGrd, GrdHd, GrdDataType, cback);
break;
case ShpfileType.SHP_POLYLINE:
case ShpfileType.SHP_POLYLINEM:
case ShpfileType.SHP_POLYLINEZ:
flg = Line2Grid(MySf, FldId, NewGrd, GrdHd, GrdDataType, cback);
break;
case ShpfileType.SHP_POINT:
case ShpfileType.SHP_POINTM:
case ShpfileType.SHP_POINTZ:
flg = Point2Grid(MySf, FldId, NewGrd, GrdHd, GrdDataType, cback);
break;
case ShpfileType.SHP_MULTIPOINT:
case ShpfileType.SHP_MULTIPOINTM:
case ShpfileType.SHP_MULTIPOINTZ:
flg = Multipoint2Grid(MySf, FldId, NewGrd, GrdHd, GrdDataType, cback);
break;
default:
reportError("The shapefile type " + SfType.ToString() + "is not supported.", cback);
NewGrd.Close();
MySf.Close();
flg = false;
break;
}
//save and close the grid, close shapefile
NewGrd.Save(GrdName, GrdFileType, cback);
NewGrd.Close();
MySf.Close();
return flg;
}
/// <summary>
/// 'Copyright (C) 2008 Enrico Antonio Chiaradia, UNIMI
///'This program is free software; you can redistribute it and/or
///'modify it under the terms of the GNU General Public License
///'version 2, 1991 as published by the Free Software Foundation.
///'This program is distributed in the hope that it will be useful,
///'but WITHOUT ANY WARRANTY; without even the implied warranty of
///'MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
///'GNU General Public License for more details.
///'A copy of the full GNU General Public License is available at:
///'http://www.gnu.org/copyleft/gpl.html
///'or from:
///'The Free Software Foundation, Inc., 59 Temple Place - Suite 330,
///'Boston, MA 02111-1307, USA.
///'If you wish to use or incorporate this program (or parts of it) into
///'other software that does not meet the GNU General Public License
///'conditions contact the author to request permission.
///'If you have any question or suggestion, please contact the author.
///'Enrico A. Chiaradia
///'University of Milan
///'Ist. di Idraulica Agraria
///'via Celoria 2
///'20133, Milan, Italy
///'email: [email protected]
/// </summary>
/// <param name="sfPath">the name of the shapefile</param>
/// <param name="resultGridPath">the name of the new grid</param>
/// <param name="gridFileType">file type of the new grid</param>
/// <param name="gridDataType">data format of the new grid</param>
/// <param name="sfValueField">the name of the field that contains data</param>
/// <param name="resultGridHeader">contains information about dimension of the new grid</param>
/// <param name="callback">(optional) reports progress and error messages</param>
/// <returns></returns>
public bool ShapefileToGrid2(string SfNm, string GrdName,
MapWinGIS.GridFileType GrdFileType, MapWinGIS.GridDataType GrdDataType,
string Fldname, MapWinGIS.GridHeader GrdHd,
MapWinGIS.ICallback cback)
{
int i;
bool flg;
string projStr;
//open the shapefile
MapWinGIS.Shapefile MySf = new MapWinGIS.Shapefile();
flg = MySf.Open(SfNm, cback);
if (flg == false)
{
reportError("ERROR in opening shapefile: " + SfNm, cback);
MySf.Close();
return(false);
}
//get the handle for the field
MapWinGIS.Field field;
int FldId = -1;
int LayFldNum = MySf.NumFields;
i = 0;
for (i = 0; i < LayFldNum; ++i)
{
field = MySf.get_Field(i);
if (field.Name.ToLower() == Fldname.ToLower())
{
FldId = i;
break;
}
}
if (FldId < 0)
{
reportError("The shapefile " + SfNm + " doesn't have a field " + Fldname, cback);
MySf.Close();
return(false);
}
//copy shapefile projection
projStr = MySf.Projection;
if (!MapWinUtility.Strings.IsEmpty(projStr))
{
GrdHd.Projection = projStr;
}
//create a new grid and a new gridheader
MapWinGIS.Grid NewGrd = new MapWinGIS.Grid();
flg = NewGrd.CreateNew(GrdName, GrdHd, GrdDataType, GrdHd.NodataValue, false, GrdFileType, cback);
if (flg == false)
{
reportError("ERROR in grid initialization: " + GrdName, cback);
NewGrd.Close();
MySf.Close();
}
//verify the type of shapefile and call rasterization function
MapWinGIS.ShpfileType SfType = new MapWinGIS.ShpfileType();
SfType = MySf.ShapefileType;
switch (SfType)
{
case ShpfileType.SHP_POLYGON:
case ShpfileType.SHP_POLYGONM:
case ShpfileType.SHP_POLYGONZ:
flg = Poly2Grid(MySf, FldId, NewGrd, GrdHd, GrdDataType, cback);
break;
case ShpfileType.SHP_POLYLINE:
case ShpfileType.SHP_POLYLINEM:
case ShpfileType.SHP_POLYLINEZ:
flg = Line2Grid(MySf, FldId, NewGrd, GrdHd, GrdDataType, cback);
break;
case ShpfileType.SHP_POINT:
case ShpfileType.SHP_POINTM:
case ShpfileType.SHP_POINTZ:
flg = Point2Grid(MySf, FldId, NewGrd, GrdHd, GrdDataType, cback);
break;
case ShpfileType.SHP_MULTIPOINT:
case ShpfileType.SHP_MULTIPOINTM:
case ShpfileType.SHP_MULTIPOINTZ:
flg = Multipoint2Grid(MySf, FldId, NewGrd, GrdHd, GrdDataType, cback);
break;
default:
reportError("The shapefile type " + SfType.ToString() + "is not supported.", cback);
NewGrd.Close();
MySf.Close();
flg = false;
break;
}
//save and close the grid, close shapefile
NewGrd.Save(GrdName, GrdFileType, cback);
NewGrd.Close();
MySf.Close();
return(flg);
}
public void PopulateForm(bool ShowAfterward, MapWinGIS.Shapefile shapeFile, string layerName, bool calledBySelf)
{
if (!calledBySelf)
{
m_HavePanel = !ShowAfterward;
}
try
{
int numFields;
string fieldName;
m_ShapeFile = shapeFile;
m_shpIndex = null;
m_LayerName = layerName;
SetTitle();
//new selected shapes
m_SelShape = -1;
//clear the selected box
m_parent.m_MapWin.View.Draw.ClearDrawing(m_parent.m_hDraw);
//clear the list view items
lv.Items.Clear();
cb.Items.Clear();
cb.Text = "";
//clear the combo Box field Name
cbFieldName.Items.Clear();
cbFieldName.Items.Add("Shape Index");
cb.Text = "";
numFields = shapeFile.NumFields;
for (int i = 0; i < numFields; i++)
{
fieldName = shapeFile.get_Field(i).Name;
lv.Items.Add(fieldName);
//add all the field name to the combo box
cbFieldName.Items.Add(fieldName);
}
//select the first field
if (cbFieldName.Items.IndexOf(m_FieldName) == -1)
{
cbFieldName.SelectedIndex = 0;
}
else
{
cbFieldName.SelectedItem = m_FieldName;
}
if (ShowAfterward)
{
this.Show();
}
}
catch (System.Exception ex)
{
ShowErrorBox("PopulateForm()", ex.Message);
}
}
public void PopulateForm(bool ShowAfterward, MapWinGIS.Shapefile shapeFile, int[] shpIndex, string layerName, bool calledBySelf)
{
if (!calledBySelf)
{
m_HavePanel = !ShowAfterward;
}
try
{
System.Windows.Forms.ListViewItem item;
int numFields;
m_shpIndex = shpIndex;
m_LayerName = layerName;
m_ShapeFile = shapeFile;
SetTitle();
//new selected shapes
m_SelShape = -1;
//clear the list view items
lv.Items.Clear();
//clear the combo Box field Name
cb.Items.Clear();
cb.Text = "";
cbFieldName.Items.Clear();
cbFieldName.Items.Add("Shape Index");
//clear the selected box
m_parent.m_MapWin.View.Draw.ClearDrawing(m_parent.m_hDraw);
numFields = shapeFile.NumFields;
for (int i = 0; i < numFields; i++)
{
item = lv.Items.Add(shapeFile.get_Field(i).Name);
item.SubItems.Add(shapeFile.get_CellValue(i, shpIndex[0]).ToString());
//add all the field name to the combo box
cbFieldName.Items.Add(shapeFile.get_Field(i).Name);
}
//color the current shape red
if (m_SelShape != -1)
{
m_parent.m_MapWin.View.SelectedShapes.AddByIndex(m_SelShape, YELLOW);
}
m_SelShape = shpIndex[0];
m_parent.m_MapWin.View.SelectedShapes.AddByIndex(shpIndex[0], RED);
//select the first field
if (cbFieldName.Items.IndexOf(m_FieldName) == -1)
{
cbFieldName.SelectedIndex = 0;
}
else
{
cbFieldName.SelectedItem = m_FieldName;
}
if (ShowAfterward)
{
this.Show();
}
}
catch (System.Exception ex)
{
ShowErrorBox("PopulateForm()", ex.Message);
}
}