/****************************************************************************** * $Id: shapeinfo.cs 7418 2008-02-29 00:02:49Z nsavard $ * * Project: MapServer * Purpose: A C# based based mapscript example to dump information from * a shapefile. * Author: Tamas Szekeres, szekerest@gmail.com * ****************************************************************************** * Copyright (c) 1996-2008 Regents of the University of Minnesota. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies of this Software or works derived from this Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. *****************************************************************************/ using System; using System.Collections; using OSGeo.MapServer; /// /// A MapScript application for creating inline layers with annotations. /// class Inline { public static void usage() { Console.WriteLine("usage: inline [outformat] [outfile]"); System.Environment.Exit(-1); } 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(); } } } }