skyview.survey

Class MocReader

java.lang.Object

skyview.survey.MocReader

public class MocReader
extends Object

Read a MOC and support tests to see if pixels/tiles are available.

Constructor Summary

Constructors

Constructor and Description
MocReader(String file) Create a MocReader for a given file

Method Summary

Modifier and Type	Method and Description
static void	main(String[] args)
List<skyview.survey.MocReader.OrderDesc>	parse() Analyze the MOC to find out where the data for each order is found.
void	show() Describe basic characteristics of the MOC
boolean	test(int order, long pixel) See if there is any overlap between the requested pixel and the data as indicated in the MOC.

Methods inherited from class java.lang.Object

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

Constructor Detail

MocReader

public MocReader(String file)
          throws Exception

Create a MocReader for a given file

Throws:

Exception

Method Detail

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

show

public void show()

Describe basic characteristics of the MOC

parse

public final List<skyview.survey.MocReader.OrderDesc> parse()

Analyze the MOC to find out where the data for each order is found. This populates the data List.

test

public boolean test(int order,
                    long pixel)

See if there is any overlap between the requested pixel and the data as indicated in the MOC.

Parameters:

order - The order of the requested pixel.

pixel - The NESTED index of the requested pixel.

Returns:

whether there is any coverage in the region of the requested pixel.