- Type Parameters:
T- the type of buffer which can be used for transferring data.
- Enclosing class:
Contains the sample values in a moving window over the image. Windows are created by calls to
PixelIterator.createWindow(TransferType)and sample values are stored in
Buffers. The buffer content is replaced ever time
Defined in the
All Methods Instance Methods Abstract Methods Modifier and Type Method Description
update()Updates this window with the sample values in the region starting at current iterator position.
valuesA buffer containing all sample values fetched by the last call to
update(). The buffer capacity is (number of bands) × (window width) × (window height). Values are always stored with band index varying fastest, then column index, then row index. Columns are traversed from left to right and rows are traversed from top to bottom (linear iteration order). That order is the same regardless the iteration order of enclosing iterator.
Every time that
update()is invoked, the buffer content is replaced by sample values starting at the current iterator position. Before the first
update()invocation, the buffer is filled with zero values.
public abstract void update()Updates this window with the sample values in the region starting at current iterator position. The buffer position, limit and mark are cleared.
PixelIterator.next()method must have returned
true, or the
PixelIterator.moveTo(int,int)method must have been invoked successfully, before this
update()method is invoked. If above condition is not met, then this method behavior is undefined: it may throw any runtime exception or return meaningless values (there is no explicit bounds check for performance reasons).