org.openjump.core.ui.util

Class ScreenScale

java.lang.Object

org.openjump.core.ui.util.ScreenScale

public class ScreenScale
extends java.lang.Object

Contains function for accessing the actual map scale of the screen

Constructor Summary

Constructors

Constructor and Description
ScreenScale()

Method Summary

Methods

Modifier and Type	Method and Description
static double	getHorizontalMapScale(Viewport port) Delivers the scale of the map shown on the display.
static int	getResolution()
static void	setResolution(int res)

Methods inherited from class java.lang.Object

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

Constructor Detail

ScreenScale

public ScreenScale()

Method Detail

getResolution

public static int getResolution()

setResolution

public static void setResolution(int res)

getHorizontalMapScale

public static double getHorizontalMapScale(Viewport port)

Delivers the scale of the map shown on the display. The scale is calculated for the horizontal map direction

note: The scale may differ for horizontal and vertical direction due to the type of map projection.

Parameters:

port - the viewport

Returns:

actual scale