/**
* Check if equator is visible on screen.
*
* @return boolean
*/
public boolean overEquator() {
LatLonPoint llN = new LatLonPoint.Float();
inverse(width / 2, 0, llN);
LatLonPoint llS = new LatLonPoint.Float();
inverse(width / 2, height, llS);
return MoreMath.sign(llN.getY()) != MoreMath.sign(llS.getY());
}
/**
* Reads and returns a long
*
* @return the 8 bytes merged into a long, according to the current byte ordering
* @exception EOFException there were less than 8 bytes left in the file
* @exception FormatException rethrow of IOExceptions encountered while reading the bytes for the
* long
* @see #read(byte[])
*/
public long readLong() throws EOFException, FormatException {
return MoreMath.BuildLong(readBytes(8, false), MSBFirst);
}
/**
* Reads and returns a long
*
* @return the 4 bytes merged into a long, according to the current byte ordering
* @exception EOFException there were less than 4 bytes left in the file
* @exception FormatException rethrow of IOExceptions encountered while reading the bytes for the
* integer
* @see #read(byte[])
*/
public int readInteger() throws EOFException, FormatException {
// MSBFirst must be set when we are called
return MoreMath.BuildInteger(readBytes(4, false), MSBFirst);
}
/**
* Reads and returns a short.
*
* @return the 2 bytes merged into a short, according to the current byte ordering
* @exception EOFException there were less than 2 bytes left in the file
* @exception FormatException rethrow of IOExceptions encountered while reading the bytes for the
* short
* @see #read(byte[])
*/
public short readShort() throws EOFException, FormatException {
// MSBFirst must be set when we are called
return MoreMath.BuildShort(readBytes(2, false), MSBFirst);
}