GridInfoForm
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///////////////////////////////////////////////////////////////////////////////
//
// (c) Pitney Bowes MapInfo Corporation, 2008. All rights reserved.
//
// The source code below is provided as sample code only. The end user of the
// Licensed Product that contains this code may use the code below for
// development purposes. This software is provided by Pitney Bowes MapInfo
// "as is" and any express or implied warranties, including, but not limited
// to, the implied warranties of merchantability and fitness for a particular
// purpose are disclaimed. In no event shall Pitney Bowes MapInfo be liable
// for any direct, indirect, incidental, special, exemplary, or consequential
// damages (including, but not limited to, procurement of substitute goods or
// services; loss of use, data or profits; or business interruption) however
// caused and whether in contract, strict liability, or tort (including
// negligence) arising in any way out of the use of this software, even if
// advised of the possibility of such damage.
//
///////////////////////////////////////////////////////////////////////////////
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Reflection;
using MapInfo.Data;
using MapInfo.Mapping;
using MapInfo.Engine;
using MapInfo.Windows.Dialogs;
using MapInfo.Styles;
using MapInfo.Raster;
using MapInfo.Geometry;
namespace GridForm
{
/// <summary>
/// Summary description for MapForm1.
/// </summary>
public class MapForm1 : System.Windows.Forms.Form
{
private MapInfo.Windows.Controls.MapControl mapControl1;
private System.Windows.Forms.Panel panel1;
private System.Windows.Forms.StatusBar statusBar1;
private System.Windows.Forms.Button GridButton;
private System.Windows.Forms.Button StyleButton;
private System.ComponentModel.Container components = null;
// gridInfo sample
private Table _miTable =null;
private GridStyle _mStyle = null;
private FeatureLayer _lyr = null;
private Key _mKey = null;
private FeatureGeometry _mObject = null;
private System.Windows.Forms.Button ReadTableColumnB;
internal MapInfo.Windows.Controls.MapToolBar mapToolBar1;
internal MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonOpenTable;
private MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonLayerControl;
internal System.Windows.Forms.ToolBarButton toolBarButtonSeparator;
internal MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonSelect;
internal MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonZoomIn;
internal MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonZoomOut;
internal MapInfo.Windows.Controls.MapToolBarButton mapToolBarButtonPan;
private GridInfo _mGridInfo = null;
public MapForm1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
try
{
MapTableLoader tl = new MapTableLoader("C:\\Program Files\\MapInfo\\MapXtreme\\6.8.0\\Samples\\Data\\US_Elev_Grid_FT.tab");
mapControl1.Map.Load(tl);
}
catch
{
}
// Listen to appropriate map event to update status bar
mapControl1.Map.ViewChangedEvent += new ViewChangedEventHandler(Map_ViewChanged);
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.mapControl1 = new MapInfo.Windows.Controls.MapControl();
this.panel1 = new System.Windows.Forms.Panel();
this.statusBar1 = new System.Windows.Forms.StatusBar();
this.GridButton = new System.Windows.Forms.Button();
this.StyleButton = new System.Windows.Forms.Button();
this.ReadTableColumnB = new System.Windows.Forms.Button();
this.mapToolBar1 = new MapInfo.Windows.Controls.MapToolBar();
this.mapToolBarButtonOpenTable = new MapInfo.Windows.Controls.MapToolBarButton();
this.mapToolBarButtonLayerControl = new MapInfo.Windows.Controls.MapToolBarButton();
this.toolBarButtonSeparator = new System.Windows.Forms.ToolBarButton();
this.mapToolBarButtonSelect = new MapInfo.Windows.Controls.MapToolBarButton();
this.mapToolBarButtonZoomIn = new MapInfo.Windows.Controls.MapToolBarButton();
this.mapToolBarButtonZoomOut = new MapInfo.Windows.Controls.MapToolBarButton();
this.mapToolBarButtonPan = new MapInfo.Windows.Controls.MapToolBarButton();
this.panel1.SuspendLayout();
this.SuspendLayout();
//
// mapControl1
//
this.mapControl1.Dock = System.Windows.Forms.DockStyle.Fill;
this.mapControl1.Location = new System.Drawing.Point(0, 0);
this.mapControl1.Name = "mapControl1";
this.mapControl1.Size = new System.Drawing.Size(652, 369);
this.mapControl1.TabIndex = 0;
this.mapControl1.Text = "mapControl1";
this.mapControl1.Tools.MiddleButtonTool = null;
//
// panel1
//
this.panel1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.panel1.Controls.Add(this.mapControl1);
this.panel1.Location = new System.Drawing.Point(4, 40);
this.panel1.Name = "panel1";
this.panel1.Size = new System.Drawing.Size(656, 373);
this.panel1.TabIndex = 1;
//
// statusBar1
//
this.statusBar1.Location = new System.Drawing.Point(0, 411);
this.statusBar1.Name = "statusBar1";
this.statusBar1.Size = new System.Drawing.Size(664, 19);
this.statusBar1.TabIndex = 2;
//
// GridButton
//
this.GridButton.Location = new System.Drawing.Point(336, 8);
this.GridButton.Name = "GridButton";
this.GridButton.TabIndex = 4;
this.GridButton.Text = "2. GridInfo";
this.GridButton.Click += new System.EventHandler(this.GridButton_Click);
//
// StyleButton
//
this.StyleButton.Location = new System.Drawing.Point(432, 8);
this.StyleButton.Name = "StyleButton";
this.StyleButton.TabIndex = 5;
this.StyleButton.Text = "3. Style";
this.StyleButton.Click += new System.EventHandler(this.StyleButton_Click);
//
// ReadTableColumnB
//
this.ReadTableColumnB.Location = new System.Drawing.Point(216, 8);
this.ReadTableColumnB.Name = "ReadTableColumnB";
this.ReadTableColumnB.Size = new System.Drawing.Size(104, 23);
this.ReadTableColumnB.TabIndex = 6;
this.ReadTableColumnB.Text = "1. ReadTable";
this.ReadTableColumnB.Click += new System.EventHandler(this.ReadTableColumnB_Click);
//
// mapToolBar1
//
this.mapToolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
this.mapToolBarButtonOpenTable,
this.mapToolBarButtonLayerControl,
this.toolBarButtonSeparator,
this.mapToolBarButtonSelect,
this.mapToolBarButtonZoomIn,
this.mapToolBarButtonZoomOut,
this.mapToolBarButtonPan});
this.mapToolBar1.Divider = false;
this.mapToolBar1.Dock = System.Windows.Forms.DockStyle.None;
this.mapToolBar1.DropDownArrows = true;
this.mapToolBar1.Location = new System.Drawing.Point(6, 7);
this.mapToolBar1.MapControl = this.mapControl1;
this.mapToolBar1.Name = "mapToolBar1";
this.mapToolBar1.ShowToolTips = true;
this.mapToolBar1.Size = new System.Drawing.Size(160, 26);
this.mapToolBar1.TabIndex = 8;
//
// mapToolBarButtonOpenTable
//
this.mapToolBarButtonOpenTable.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.OpenTable;
this.mapToolBarButtonOpenTable.ToolTipText = "Open Table";
//
// mapToolBarButtonLayerControl
//
this.mapToolBarButtonLayerControl.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.LayerControl;
this.mapToolBarButtonLayerControl.ToolTipText = "Layer Control";
//
// toolBarButtonSeparator
//
this.toolBarButtonSeparator.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
//
// mapToolBarButtonSelect
//
this.mapToolBarButtonSelect.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.Select;
this.mapToolBarButtonSelect.ToolTipText = "Select";
//
// mapToolBarButtonZoomIn
//
this.mapToolBarButtonZoomIn.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.ZoomIn;
this.mapToolBarButtonZoomIn.ToolTipText = "Zoom-in";
//
// mapToolBarButtonZoomOut
//
this.mapToolBarButtonZoomOut.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.ZoomOut;
this.mapToolBarButtonZoomOut.ToolTipText = "Zoom-out";
//
// mapToolBarButtonPan
//
this.mapToolBarButtonPan.ButtonType = MapInfo.Windows.Controls.MapToolButtonType.Pan;
this.mapToolBarButtonPan.ToolTipText = "Pan";
//
// MapForm1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(664, 430);
this.Controls.Add(this.mapToolBar1);
this.Controls.Add(this.ReadTableColumnB);
this.Controls.Add(this.StyleButton);
this.Controls.Add(this.GridButton);
this.Controls.Add(this.statusBar1);
this.Controls.Add(this.panel1);
this.MinimumSize = new System.Drawing.Size(250, 200);
this.Name = "MapForm1";
this.Text = "MapForm1";
this.panel1.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new MapForm1());
}
// Handler function called when the active map's view changes
private void Map_ViewChanged(object o, ViewChangedEventArgs e) {
// Get the map
MapInfo.Mapping.Map map = (MapInfo.Mapping.Map) o;
// Display the zoom level
Double dblZoom = System.Convert.ToDouble(String.Format("{0:E2}", mapControl1.Map.Zoom.Value));
statusBar1.Text = "Zoom: " + dblZoom.ToString() + " " + mapControl1.Map.Zoom.Unit.ToString();
}
private void InitParameters()
{
_lyr = null;
_mStyle = null;
_mKey = null;
_mObject = null;
_mGridInfo = null;
}
public void SelectAllIndivColumns()
{
MIDataReader rdr = null;
string projectionlist = "obj, MI_Key, MI_Grid, MI_Style";
rdr = _miTable.ExecuteReader(projectionlist);
string name;
string typename;
int n = rdr.FieldCount;
if(rdr.Read())
{
n = rdr.FieldCount;//shouldn't change
for(int i =0; i <n; i++)
{
name = rdr.GetName(i);
typename = rdr.GetDataTypeName(i);
if(typename == "MapInfo.Styles.Style")
{
_mStyle = rdr.GetStyle(i) as GridStyle;
}
else if(typename == "MapInfo.Geometry.FeatureGeometry")
{
_mObject = rdr.GetFeatureGeometry(i);
}
else if(typename == "MapInfo.Data.Key")
{
_mKey = rdr.GetKey(i);
}
else if (typename == "MapInfo.Raster.GridInfo")
{
_mGridInfo = rdr.GetGridInfo(i);
}
}
}
rdr.Close();
rdr.Dispose();
rdr = null;
}
private void GridButton_Click(object sender, System.EventArgs e)
{
if (_mGridInfo == null)
{
MessageBox.Show("Please click ReadTable before clicking GridInfo.");
return;
}
string b = null;
b += " Height=" + _mGridInfo.Height.ToString() + " Width=" + _mGridInfo.Width.ToString() + "\n";
b += " MaxValue=" + _mGridInfo.MaxValue.ToString() + " MinValue=" + _mGridInfo.MinValue.ToString()+ "\n";
b += " HasHillshade=" + _mGridInfo.HasHillshade.ToString() + "\n";
b += " MBR=(" + _mGridInfo.MBR.x1.ToString() + "," +
_mGridInfo.MBR.y1.ToString() + ")\n(" +
_mGridInfo.MBR.x2.ToString() + "," +
_mGridInfo.MBR.y2.ToString() + ")\n";;
for (int i=0; i<_mGridInfo.RasterControlPoints.Length; ++i)
{
b += " RasterControlPoints[" + i.ToString() + "]=(" +
_mGridInfo.RasterControlPoints[i].x.ToString() + "," +
_mGridInfo.RasterControlPoints[i].y.ToString() + ")\n";
}
for (int i=0;i<_mGridInfo.RealWorldControlPoints.Length;++i)
{
b += " RealWorldControlPoints[" + i.ToString() + "]=(" +
_mGridInfo.RealWorldControlPoints[i].x.ToString() + "," +
_mGridInfo.RealWorldControlPoints[i].y.ToString() + ")\n";
}
MessageBox.Show(b);
}
private void StyleButton_Click(object sender, System.EventArgs e)
{
if (_mStyle == null)
{
MessageBox.Show("Please click GridInfo before clicking Style.");
return;
}
GridStyle aStyle = _mStyle.Clone() as GridStyle;
GridStyleForm f = new GridStyleForm();
f.AlphaTextBox.Text = aStyle.Alpha.ToString();
f.BrightnessBox.Text = aStyle.Brightness.ToString();
f.ContrastBox.Text = aStyle.Contrast.ToString();
f.GrayScale.CheckState = (aStyle.Grayscale) ? CheckState.Checked : CheckState.Unchecked;
f.Transparency.CheckState = (aStyle.Transparent) ? CheckState.Checked : CheckState.Unchecked;
f.DisplayHillshade.CheckState = (aStyle.DisplayHillshade) ? CheckState.Checked : CheckState.Unchecked;
f.TransparentColor.BackColor = aStyle.TransparentColor;
if (f.ShowDialog() == DialogResult.OK)
{
int tempAlpha = 0;
int tempBright = 0;
int tempContrast = 0;
try
{
tempAlpha = int.Parse(f.AlphaTextBox.Text);
}
catch (Exception ex)
{
f.AlphaTextBox.Text = aStyle.Alpha.ToString();
tempAlpha = aStyle.Alpha;
}
try
{
tempBright = int.Parse(f.BrightnessBox.Text);
}
catch (Exception ex)
{
f.BrightnessBox.Text = aStyle.Brightness.ToString();
tempBright = aStyle.Brightness;
}
try
{
tempContrast = int.Parse(f.ContrastBox.Text);
}
catch (Exception ex)
{
f.ContrastBox.Text = aStyle.Contrast.ToString();
tempContrast = aStyle.Contrast;
}
if (tempAlpha < 0)
{
tempAlpha = 0;
f.AlphaTextBox.Text = "0";
}
else if (tempAlpha > 255)
{
tempAlpha = 255;
f.AlphaTextBox.Text = "255";
}
if (tempBright < 0)
{
tempBright = 0;
f.BrightnessBox.Text = "0";
}
else if (tempBright > 100)
{
tempBright = 100;
f.BrightnessBox.Text = "100";
}
if (tempContrast < 0)
{
tempContrast = 0;
f.BrightnessBox.Text = "0";
}
else if (tempContrast > 100)
{
tempContrast = 100;
f.BrightnessBox.Text = "100";
}
aStyle.Alpha = tempAlpha;
aStyle.Brightness = tempBright;
aStyle.Contrast = tempContrast;
aStyle.Grayscale = f.GrayScale.CheckState == CheckState.Checked ? true : false;
aStyle.Transparent = (f.Transparency.CheckState == CheckState.Checked) ? true : false;
aStyle.DisplayHillshade = (f.DisplayHillshade.CheckState == CheckState.Checked) ? true : false;
aStyle.TransparentColor = f.TransparentColor.BackColor;
// this composite style will affect the raster as intended
CompositeStyle csRaster = new CompositeStyle(aStyle);
FeatureOverrideStyleModifier fosm =
new FeatureOverrideStyleModifier("Style Mod", csRaster);
FeatureStyleModifiers modifiers = _lyr.Modifiers;
modifiers.Clear();
modifiers.Append(fosm);
}
}
private void ReadTableColumnB_Click(object sender, System.EventArgs e)
{
InitParameters();
if (mapControl1.Map.Layers.Count == 0)
{
MessageBox.Show("Please open a Grid table before clicking the ReadTable button.");
return;
}
_lyr = mapControl1.Map.Layers[0] as FeatureLayer;
if (_lyr == null || _lyr.Table == null)
{
MessageBox.Show("Please open a Grid table before clicking the ReadTable button.");
return;
}
_miTable = _lyr.Table;
if (_miTable.TableInfo.TableType != TableType.Grid)
{
MessageBox.Show("Please open a Grid table before clicking the ReadTable button.");
return;
}
SelectAllIndivColumns();
MessageBox.Show("Table read complete. Please click the GridInfo button.");
}
}
}
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GridInfoForm 
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