public static void Main(string[] args)
{
if (args.Length < 2) usage();
// creating a new map from scratch
mapObj map = new mapObj(null);
// adding a layer
layerObj layer = new layerObj(map);
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
layer.status = mapscript.MS_ON;
layer.connectiontype = MS_CONNECTION_TYPE.MS_INLINE;
// define the attribute names from the inline layer
layer.addProcessing("ITEMS=attribute1,attribute2,attribute3");
// define the class
classObj classobj = new classObj(layer);
classobj.template = "query"; // making the layer queryable
// setting up the text based on multiple attributes
classobj.setText("('Shape:' + '[attribute1]' + ' Color:' + '[attribute2]' + ' Size:' + '[attribute3]')");
// define the label
classobj.label.outlinecolor = new colorObj(255, 255, 255, 0);
classobj.label.force = mapscript.MS_TRUE;
classobj.label.size = (double)MS_BITMAP_FONT_SIZES.MS_MEDIUM;
classobj.label.position = (int)MS_POSITIONS_ENUM.MS_LC;
classobj.label.wrap = ' ';
// set up attribute binding
classobj.label.setBinding((int)MS_LABEL_BINDING_ENUM.MS_LABEL_BINDING_COLOR, "attribute2");
// define the style
styleObj style = new styleObj(classobj);
style.color = new colorObj(0, 255, 255, 0);
style.setBinding((int)MS_STYLE_BINDING_ENUM.MS_STYLE_BINDING_COLOR, "attribute2");
style.setBinding((int)MS_STYLE_BINDING_ENUM.MS_STYLE_BINDING_SIZE, "attribute3");
Random rand = new Random((int)DateTime.Now.ToFileTime()); ;
// creating the shapes
for (int i = 0; i < 10; i++)
{
shapeObj shape = new shapeObj((int)MS_SHAPE_TYPE.MS_SHAPE_POINT);
// setting the shape attributes
shape.initValues(4);
shape.setValue(0, Convert.ToString(i));
shape.setValue(1, new colorObj(rand.Next(255), rand.Next(255), rand.Next(255), 0).toHex());
shape.setValue(2, Convert.ToString(rand.Next(25) + 5));
lineObj line = new lineObj();
line.add(new pointObj(rand.Next(400) + 25, rand.Next(400) + 25, 0, 0));
shape.add(line);
layer.addFeature(shape);
}
map.width = 500;
map.height = 500;
map.setExtent(0,0,450,450);
map.selectOutputFormat(args[0]);
imageObj image = map.draw();
image.save(args[1], map);
//perform a query
layer.queryByRect(map, new rectObj(0, 0, 450, 450, 0));
resultObj res;
shapeObj feature;
using (resultCacheObj results = layer.getResults())
{
if (results != null && results.numresults > 0)
{
// extracting the features found
layer.open();
for (int j = 0; j < results.numresults; j++)
{
res = results.getResult(j);
feature = layer.getShape(res);
if (feature != null)
{
Console.WriteLine(" Feature: shapeindex=" + res.shapeindex + " tileindex=" + res.tileindex);
for (int k = 0; k < layer.numitems; k++)
{
Console.Write(" " + layer.getItem(k));
Console.Write(" = ");
Console.Write(feature.getValue(k));
Console.WriteLine();
}
}
}
layer.close();
}
}
}
/// <summary>
/// Create the theme according to the individual values of the layer contents
/// </summary>
private MapObjectHolder CreateLayerTheme()
{
if (layer == null)
{
return(null);
}
mapObj map = target.GetParent();
// create a new map object
mapObj newMap = new mapObj(null);
newMap.units = MS_UNITS.MS_PIXELS;
map.selectOutputFormat(map.imagetype);
// copy symbolset
for (int s = 1; s < map.symbolset.numsymbols; s++)
{
symbolObj origsym = map.symbolset.getSymbol(s);
newMap.symbolset.appendSymbol(MapUtils.CloneSymbol(origsym));
}
// copy the fontset
string key = null;
while ((key = map.fontset.fonts.nextKey(key)) != null)
{
newMap.fontset.fonts.set(key, map.fontset.fonts.get(key, ""));
}
newLayer = new layerObj(newMap);
newLayer.type = layer.type;
newLayer.status = mapscript.MS_ON;
newLayer.connectiontype = MS_CONNECTION_TYPE.MS_INLINE;
// add the classObj and styles
classObj classobj;
if (checkBoxKeepStyles.Checked)
{
classobj = layer.getClass(0).clone();
classobj.setExpression(""); // remove expression to have the class shown
// bindings are not supported with sample maps
for (int s = 0; s < classobj.numstyles; s++)
{
StyleBindingController.RemoveAllBindings(classobj.getStyle(s));
}
for (int l = 0; l < classobj.numlabels; l++)
{
LabelBindingController.RemoveAllBindings(classobj.getLabel(l));
}
newLayer.insertClass(classobj, -1);
}
else
{
classobj = new classObj(newLayer);
classobj.name = MapUtils.GetClassName(newLayer);
styleObj style = new styleObj(classobj);
style.size = 8; // set default size (#4339)
if (layer.type == MS_LAYER_TYPE.MS_LAYER_POINT)
{
// initialize with the default marker if specified in the symbol file for point symbols
symbolObj symbol;
for (int s = 0; s < map.symbolset.numsymbols; s++)
{
symbol = map.symbolset.getSymbol(s);
if (symbol.name == "default-marker")
{
style.symbol = s;
style.symbolname = "default-marker";
break;
}
}
}
MapUtils.SetDefaultColor(layer.type, style);
}
SortedDictionary <string, string> items = new SortedDictionary <string, string>();
int i = 0;
shapeObj shape;
layer.open();
layer.whichShapes(layer.getExtent());
if (checkBoxClassItem.Checked)
{
layer.classitem = comboBoxColumns.SelectedItem.ToString();
}
while ((shape = layer.nextShape()) != null)
{
string value = shape.getValue(comboBoxColumns.SelectedIndex);
if (checkBoxZero.Checked && (value == "" || value == ""))
{
continue;
}
if (!items.ContainsValue(value))
{
if (i == 100)
{
if (MessageBox.Show("The number of the individual values is greater than 100 would you like to continue?", "MapManager",
MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation) == DialogResult.Cancel)
{
break;
}
}
items.Add(value, value);
++i;
}
}
if (layer.getResults() == null)
{
layer.close(); // close only is no query results
}
i = 0;
foreach (string value in items.Keys)
{
double percent = ((double)(i + 1)) / items.Count * 100;
// creating the corresponding class object
if (i > 0)
{
classobj = classobj.clone();
// bindings are not supported with sample maps
for (int s = 0; s < classobj.numstyles; s++)
{
StyleBindingController.RemoveAllBindings(classobj.getStyle(s));
}
for (int l = 0; l < classobj.numlabels; l++)
{
LabelBindingController.RemoveAllBindings(classobj.getLabel(l));
}
newLayer.insertClass(classobj, -1);
}
classobj.name = value;
if (checkBoxClassItem.Checked)
{
classobj.setExpression(value);
}
else
{
classobj.setExpression("('[" + comboBoxColumns.SelectedItem + "]' = '" + value + "')");
}
for (int j = 0; j < classobj.numstyles; j++)
{
styleObj style = classobj.getStyle(j);
style.color = colorRampPickerColor.GetMapColorAtValue(percent);
style.outlinecolor = colorRampPickerOutlineColor.GetMapColorAtValue(percent);
style.backgroundcolor = colorRampPickerBackgroundColor.GetMapColorAtValue(percent);
if (checkBoxFirstOnly.Checked)
{
break;
}
}
++i;
}
return(new MapObjectHolder(newLayer, new MapObjectHolder(newMap, null)));
}
/// <summary>
/// Refresh the controls according to the underlying object.
/// </summary>
public void RefreshView()
{
listView.Items.Clear();
if (map != null)
{
// setting up the icon background colors createLegendIcon
// will take over the legend imagecolor setting from the map object
int red = map.legend.imagecolor.red;
int green = map.legend.imagecolor.green;
int blue = map.legend.imagecolor.blue;
map.legend.imagecolor.red = this.BackColor.R;
map.legend.imagecolor.green = this.BackColor.G;
map.legend.imagecolor.blue = this.BackColor.B;
listView.BackColor = this.BackColor;
using (outputFormatObj format = map.outputformat)
{
string imageType = null;
if ((format.renderer != mapscript.MS_RENDER_WITH_GD &&
format.renderer != mapscript.MS_RENDER_WITH_AGG) ||
string.Compare(format.mimetype.Trim(), "image/vnd.wap.wbmp", true) == 0 ||
string.Compare(format.mimetype.Trim(), "image/tiff", true) == 0 ||
string.Compare(format.mimetype.Trim(), "image/jpeg", true) == 0)
{
// falling back to the png type in case of the esoteric or bad looking types
imageType = map.imagetype;
map.selectOutputFormat("png24");
}
imageList.Images.Clear();
imageList.ImageSize = new Size(30, 20);
try
{
for (int i = 0; i < map.numlayers; i++)
{
layerObj layer = map.getLayer(i);
if (layer.status != mapscript.MS_OFF)
{
resultObj res;
shapeObj feature;
using (resultCacheObj results = layer.getResults())
{
if (results != null && results.numresults > 0)
{
// creating the icon for this layer
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image = def_class.createLegendIcon(map, layer, 30, 20))
{
// drawing the class icons
layer.getClass(0).drawLegendIcon(map, layer, 20, 10, image, 5, 5);
byte[] img = image.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
imageList.Images.Add(Image.FromStream(ms));
}
}
}
// extracting the features found
for (int j = 0; j < results.numresults; j++)
{
res = results.getResult(j);
feature = layer.getShape(res);
if (feature != null)
{
ListViewItem item = new ListViewItem(layer.name, imageList.Images.Count - 1);
item.SubItems.Add(feature.index.ToString());
item.SubItems.Add(MapUtils.GetShapeTypeName((MS_SHAPE_TYPE)feature.type));
listView.Items.Add(item);
StringBuilder s = new StringBuilder("");
s.AppendLine("Feature Properties:");
for (int k = 0; k < layer.numitems; k++)
{
s.Append(layer.getItem(k));
s.Append(" = ");
s.AppendLine(feature.getValue(k));
}
item.Tag = s.ToString();
}
}
}
}
}
}
}
finally
{
// switch back to the original type
if (imageType != null)
{
map.selectOutputFormat(imageType);
}
// restoring the original legend backgroundcolor
map.legend.imagecolor.red = red;
map.legend.imagecolor.green = green;
map.legend.imagecolor.blue = blue;
}
listView.SmallImageList = imageList;
}
if (listView.Items.Count > 0)
{
listView.Items[0].Selected = true;
}
else
{
richTextBox.Text = "";
}
}
}
/// <summary>
/// Create a default layer for creating a preview to another layer
/// </summary>
/// <param name="originalMap">The original map.</param>
/// <param name="originalLayer">The original layer.</param>
/// <returns>The created layer object.</returns>
private layerObj InitializeDefaultLayer(mapObj originalMap, layerObj originalLayer)
{
// create a new map object
map = new mapObj(null);
map.units = MS_UNITS.MS_PIXELS;
map.setExtent(0, 0, this.Width, this.Height);
map.width = this.Width;
map.height = this.Height;
outputFormatObj format = originalMap.outputformat;
if (map.getOutputFormatByName(format.name) == null)
map.appendOutputFormat(format);
map.selectOutputFormat(originalMap.imagetype);
// copy symbolset
for (int i = 1; i < originalMap.symbolset.numsymbols; i++)
{
symbolObj origsym = originalMap.symbolset.getSymbol(i);
map.symbolset.appendSymbol(MapUtils.CloneSymbol(origsym));
}
// copy the fontset
string key = null;
while ((key = originalMap.fontset.fonts.nextKey(key)) != null)
map.fontset.fonts.set(key, originalMap.fontset.fonts.get(key, ""));
// setting a default font
//map.fontset.fonts.set("",
// originalMap.fontset.fonts.get(originalMap.fontset.fonts.nextKey(null),""));
// insert a new layer
layerObj layer = new layerObj(map);
if (originalLayer != null)
{
// the chart type doesn't support having as single class in it
if (originalLayer.type == MS_LAYER_TYPE.MS_LAYER_CHART)
layer.type = MS_LAYER_TYPE.MS_LAYER_POLYGON;
else
layer.type = originalLayer.type;
originalLayer.open();
// add the sample feature to the layer
AddSampleFeature(layer, originalLayer.numitems);
if (originalLayer.getResults() == null)
originalLayer.close(); // close only is no query results
}
else
{
layer.type = MS_LAYER_TYPE.MS_LAYER_ANNOTATION;
// add the sample feature to the layer
AddSampleFeature(layer, 0);
}
layer.status = mapscript.MS_ON;
return layer;
}
public static void Main(string[] args)
{
if (args.Length < 2)
{
usage();
}
// creating a new map from scratch
mapObj map = new mapObj(null);
// adding a layer
layerObj layer = new layerObj(map);
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
layer.status = mapscript.MS_ON;
layer.connectiontype = MS_CONNECTION_TYPE.MS_INLINE;
// define the attribute names from the inline layer
layer.addProcessing("ITEMS=attribute1,attribute2,attribute3");
// define the class
classObj classobj = new classObj(layer);
classobj.template = "query"; // making the layer queryable
// setting up the text based on multiple attributes
classobj.setText("('Shape:' + '[attribute1]' + ' Color:' + '[attribute2]' + ' Size:' + '[attribute3]')");
// define the label
classobj.label.outlinecolor = new colorObj(255, 255, 255, 0);
classobj.label.force = mapscript.MS_TRUE;
classobj.label.size = (double)MS_BITMAP_FONT_SIZES.MS_MEDIUM;
classobj.label.position = (int)MS_POSITIONS_ENUM.MS_LC;
classobj.label.wrap = ' ';
// set up attribute binding
classobj.label.setBinding((int)MS_LABEL_BINDING_ENUM.MS_LABEL_BINDING_COLOR, "attribute2");
// define the style
styleObj style = new styleObj(classobj);
style.color = new colorObj(0, 255, 255, 0);
style.setBinding((int)MS_STYLE_BINDING_ENUM.MS_STYLE_BINDING_COLOR, "attribute2");
style.setBinding((int)MS_STYLE_BINDING_ENUM.MS_STYLE_BINDING_SIZE, "attribute3");
Random rand = new Random((int)DateTime.Now.ToFileTime());;
// creating the shapes
for (int i = 0; i < 10; i++)
{
shapeObj shape = new shapeObj((int)MS_SHAPE_TYPE.MS_SHAPE_POINT);
// setting the shape attributes
shape.initValues(4);
shape.setValue(0, Convert.ToString(i));
shape.setValue(1, new colorObj(rand.Next(255), rand.Next(255), rand.Next(255), 0).toHex());
shape.setValue(2, Convert.ToString(rand.Next(25) + 5));
lineObj line = new lineObj();
line.add(new pointObj(rand.Next(400) + 25, rand.Next(400) + 25, 0, 0));
shape.add(line);
layer.addFeature(shape);
}
map.width = 500;
map.height = 500;
map.setExtent(0, 0, 450, 450);
map.selectOutputFormat(args[0]);
imageObj image = map.draw();
image.save(args[1], map);
//perform a query
layer.queryByRect(map, new rectObj(0, 0, 450, 450, 0));
resultObj res;
shapeObj feature;
using (resultCacheObj results = layer.getResults())
{
if (results != null && results.numresults > 0)
{
// extracting the features found
layer.open();
for (int j = 0; j < results.numresults; j++)
{
res = results.getResult(j);
feature = layer.getShape(res);
if (feature != null)
{
Console.WriteLine(" Feature: shapeindex=" + res.shapeindex + " tileindex=" + res.tileindex);
for (int k = 0; k < layer.numitems; k++)
{
Console.Write(" " + layer.getItem(k));
Console.Write(" = ");
Console.Write(feature.getValue(k));
Console.WriteLine();
}
}
}
layer.close();
}
}
}
/// <summary>
/// Refresh the controls according to the underlying object.
/// </summary>
public void RefreshView()
{
if (layer == null)
{
return;
}
shapeObj shape;
layer.open();
// Get layer statistics
maxvalue = new double[layer.numitems];
minvalue = new double[layer.numitems];
fieldName = new string[layer.numitems];
isNumber = new bool[layer.numitems];
isInteger = new bool[layer.numitems];
valueCount = new int[layer.numitems];
int i;
for (i = 0; i < layer.numitems; i++)
{
isNumber[i] = true;
isInteger[i] = true;
valueCount[i] = 0;
fieldName[i] = layer.getItem(i);
}
layer.whichShapes(layer.getExtent());
NumberFormatInfo ni = new NumberFormatInfo();
ni.NumberDecimalSeparator = ".";
double val;
while ((shape = layer.nextShape()) != null)
{
for (i = 0; i < layer.numitems; i++)
{
if (isNumber[i])
{
string v = shape.getValue(i);
if (v != "" && Double.TryParse(v, NumberStyles.Any, ni, out val))
{
if (val % 1 != 0)
{
isInteger[i] = false;
}
if (valueCount[i] == 0)
{
maxvalue[i] = val;
minvalue[i] = val;
}
else
{
if (maxvalue[i] < val)
{
maxvalue[i] = val;
}
if (minvalue[i] > val)
{
minvalue[i] = val;
}
}
++valueCount[i];
}
else
{
isNumber[i] = false;
isInteger[i] = false;
}
}
}
}
for (i = 0; i < layer.numitems; i++)
{
if (isNumber[i])
{
comboBoxColumns.Items.Add(fieldName[i]);
}
}
if (comboBoxColumns.Items.Count > 0)
{
comboBoxColumns.SelectedIndex = 0;
}
if (layer.getResults() == null)
{
layer.close(); // close only is no query results
}
}
public override void InitializeBinding(MapObjectHolder target)
{
this.target = target;
if (target.GetParent().GetParent().GetType() != typeof(layerObj))
{
this.Enabled = false;
return;
}
layerObj layer = target.GetParent().GetParent();
styleObj style = target;
if (itemList == null)
{
itemList = new ComboBox();
itemList.Width = targetControl.Width;
itemList.Height = targetControl.Height;
itemList.Location = targetControl.Location;
itemList.DropDownStyle = ComboBoxStyle.DropDownList;
itemList.SelectedIndexChanged += new EventHandler(itemList_SelectedIndexChanged);
targetControl.Parent.Controls.Add(itemList);
itemList.BringToFront();
Bitmap bmp = Resources.DataConnection;
bmp.MakeTransparent(Color.Magenta);
pbox = new PictureBox();
pbox.Image = bmp;
pbox.SizeMode = PictureBoxSizeMode.AutoSize;
pbox.Location = new System.Drawing.Point(targetControl.Location.X + targetControl.Width + 2,
targetControl.Location.Y + (targetControl.Height - pbox.Image.Height) / 2);
targetControl.Parent.Controls.Add(pbox);
pbox.BringToFront();
}
BindingState = false;
itemList.Items.Clear();
layer.open();
for (int i = 0; i < layer.numitems; i++)
{
itemList.Items.Add(layer.getItem(i));
}
if (layer.getResults() == null)
{
layer.close(); // close only is no query results
}
if (layer.connectiontype == MS_CONNECTION_TYPE.MS_OGR)
{
itemList.Items.Add("OGR:LabelFont");
itemList.Items.Add("OGR:LabelSize");
itemList.Items.Add("OGR:LabelText");
itemList.Items.Add("OGR:LabelAngle");
itemList.Items.Add("OGR:LabelFColor");
itemList.Items.Add("OGR:LabelBColor");
itemList.Items.Add("OGR:LabelPlacement");
itemList.Items.Add("OGR:LabelAnchor");
itemList.Items.Add("OGR:LabelDx");
itemList.Items.Add("OGR:LabelDy");
itemList.Items.Add("OGR:LabelPerp");
itemList.Items.Add("OGR:LabelBold");
itemList.Items.Add("OGR:LabelItalic");
itemList.Items.Add("OGR:LabelUnderline");
itemList.Items.Add("OGR:LabelPriority");
itemList.Items.Add("OGR:LabelStrikeout");
itemList.Items.Add("OGR:LabelStretch");
itemList.Items.Add("OGR:LabelAdjHor");
itemList.Items.Add("OGR:LabelAdjVert");
itemList.Items.Add("OGR:LabelHColor");
itemList.Items.Add("OGR:LabelOColor");
}
string binding = style.getBinding((int)styleBinding);
if (binding != null)
{
itemList.SelectedItem = binding;
BindingState = true;
}
else
{
if (itemList.Items.Count > 0)
{
itemList.SelectedIndex = 0;
}
}
}