Class ScreenScale

java.lang.Object

org.openjump.core.ui.util.ScreenScale

public class ScreenScale
extends Object

Contains function for accessing the actual map scale of the screen

Author:

sstein

Constructor Summary

Constructors

Constructor	Description
ScreenScale()

Method Summary

Modifier and Type	Method	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 Object

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

Constructor Details

ScreenScale

public ScreenScale()

Method Details

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