org.deegree.protocol.wms
Class Utils

java.lang.Object
  org.deegree.protocol.wms.Utils

public class Utils
extends java.lang.Object

Utils

Version:

$Revision: 26154 $, $Date: 2010-08-26 09:21:15 +0200 (Do, 26. Aug 2010) $

Author:

Andreas Schmitz, last edited by: $Author: aschmitz $

Constructor Summary

Utils()

Method Summary

static double	calcResolution(Envelope env, int width, int height)
static double	calcScaleWMS111(int mapWidth, int mapHeight, Envelope bbox, CoordinateSystem crs)
static double	calcScaleWMS130(int mapWidth, int mapHeight, Envelope bbox, CoordinateSystem crs)
static CRS	getAutoCRS(int id, double lon0, double lat0)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Utils

public Utils()

Method Detail

getAutoCRS

public static CRS getAutoCRS(int id,
                             double lon0,
                             double lat0)

Parameters:

id -

lon0 -

lat0 -

Returns:

the corresponding auto generated crs

calcScaleWMS111

public static double calcScaleWMS111(int mapWidth,
                                     int mapHeight,
                                     Envelope bbox,
                                     CoordinateSystem crs)

Parameters:

mapWidth -

mapHeight -

bbox -

crs -

Returns:

the WMS 1.1.1 scale (size of the diagonal pixel)

calcScaleWMS130

public static double calcScaleWMS130(int mapWidth,
                                     int mapHeight,
                                     Envelope bbox,
                                     CoordinateSystem crs)

Parameters:

mapWidth -

mapHeight -

bbox -

crs -

Returns:

the WMS 1.3.0 scale (horizontal size of the pixel, pixel size == 0.28mm)

calcResolution

public static double calcResolution(Envelope env,
                                    int width,
                                    int height)

Parameters:

env -

width -

height -

Returns:

max(resx, resy)