uk.me.parabola.mkgmap.filters
Class LineSizeSplitterFilter
java.lang.Object
uk.me.parabola.mkgmap.filters.LineSizeSplitterFilter
- All Implemented Interfaces:
- MapFilter
public class LineSizeSplitterFilter
- extends java.lang.Object
- implements MapFilter
A filter to make sure that a line does not have a greater dimension that
would cause an overflow of a TRE area which can only have 15 bits of
size. We want to keep things well under this.
- Author:
- Steve Ratcliffe
Method Summary |
void |
doFilter(MapElement element,
MapFilterChain next)
Keep track of the max dimensions of a line and split when they get too
big. |
void |
init(FilterConfig config)
Initialise the filter and pass in parameters that may be needed for
the run. |
static double |
testDims(int height,
int width)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
LineSizeSplitterFilter
public LineSizeSplitterFilter()
init
public void init(FilterConfig config)
- Description copied from interface:
MapFilter
- Initialise the filter and pass in parameters that may be needed for
the run.
- Specified by:
init
in interface MapFilter
- Parameters:
config
- Configuration information, giving parameters of the map
level that is being produced through this filter.
testDims
public static double testDims(int height,
int width)
doFilter
public void doFilter(MapElement element,
MapFilterChain next)
- Keep track of the max dimensions of a line and split when they get too
big.
- Specified by:
doFilter
in interface MapFilter
- Parameters:
element
- A map element.next
- This is used to pass the possibly transformed element onward.