Example #1
0
    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();
          }
          }
    }
Example #2
0
    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();
            }
        }
    }