GridBlockInternal *GridBlockInternal::clone(quint64 newRasterId)
{
GridBlockInternal *block = new GridBlockInternal(blockNr(), newRasterId, _size.xsize(), _size.ysize());
block->init();
std::copy(_data.begin(), _data.end(), block->_data.begin());
block->_inMemory = true;
block->save2Cache(); // as a result, block->_inMemory becomes false
return block;
}
char *Grid::blockAsMemory(quint32 block) {
if ( _blocks[block]->inMemory() ) { // no load needed
GridBlockInternal *du = _blocks[block];
char * p = du->blockAsMemory();
return p;
}
Locker<> lock(_mutex);
if(!update(block, true))
return 0;
GridBlockInternal *du = _blocks[block];
char * p = du->blockAsMemory();
return p;
}
char *Grid::blockAsMemory(quint32 block, bool creation) {
if ( _allInMemory) { // no cache case
GridBlockInternal *du = _blocks[block];
char * p = du->blockAsMemory();
return p;
}
Locker<> lock(_mutex);
if(!update(block, creation))
return 0;
GridBlockInternal *du = _blocks[_cache[block]];
char * p = du->blockAsMemory();
return p;
}
GridBlockInternal *GridBlockInternal::clone()
{
GridBlockInternal *block = new GridBlockInternal(_id, i64UNDEF, _size.xsize(), _size.ysize());
block->prepare();
block->_undef = _undef;
block->_blockSize = _blockSize;
if(!inMemory())
loadFromCache();
else if (!_initialized){
needData();
}
std::copy(_data.begin(), _data.end(), block->_data.begin());
return block;
}
