【转帖】o Obtain Oddbblockreference From A Oddbentity
 

to obtain oddbblockreference from a oddbentity
to obtain oddbblockreference from a oddbentity
is it possibile obtain the oddbblockreference from a oddbentity?
last edited by rareba; 4th december 2006 at 08:07 amfff">.
quote:
originally posted by rareba
is it possibile obtain the oddbblockreference from a oddbentity?
code i use, hope this helps...
oddbobjectid entityid = entityptr->objectid();
oddbobjectptr objectptr = entityid.openobject();
if (objectptr->iskindof(oddbblockreference::desc())) {
oddbblockreferenceptr blockrefptr = entityptr;
...
..
...
}
cheers
jason
in the odreadex sample there is:
class oddbtext_dumper : public oddbentity_dumper
{
public:
void dump(std(_tostream) &os, oddbentity* pent, int indent) const
{
oddbtextptr ptext = pent;
writeline(os);
writeline(os, indent, tostring(ptext->isa()), tostring(ptext->getdbhandle()));
dumptextdata(os, ptext, indent);
}
};
i want obtain,if is possibile, oddbblockreference from oddbtext. easly i obtain oddbblocktablerecord using blockid. i want know oddbblockreference of the entity because if it is a oddbattributedefinition i can get the attribute when it is not constant.
someone have some idea?
i think you should do this like ..
oddbobjectiteratorptr pentiter = pblock->newiterator();
for(pentiter->start(); !pentiter->done(); pentiter->step())
{
oddbentityptr pent = pentiter->entity();
if (pent->iskindof(oddbblockreference::desc()))
{
oddbblockreferenceptr pblockref = pentiter->entity();
}
i don't know what is pblock.
oddbobjectiteratorptr pentiter = pblock->newiterator();
i had used previously send code to iterate through all the blocks in the acad document , here is the total code :
// open the block table
oddbblocktableptr pblocks = pdb->getblocktableid).safeopenobject();
// get an iterator for the block table
oddbsymboltableiteratorptr pblkiter = pblocks->newiterator();
// for each block in the block table
for (pblkiter->start(); ! pblkiter->done(); pblkiter->step())
{
// open the block to read
oddbblocktablerecordptr pblock = pblkiter->getrecordid().safeopenobject ();
// get block iterator
oddbobjectiteratorptr pentiter = pblock->newiterator();
for(pentiter->start(); !pentiter->done(); pentiter->step())
{
// get an entity from the block
oddbentityptr pent = pentiter->entity();
// check the type of the entity
if (pent->iskindof(oddbblockreference::desc()))
{
oddbblockreferenceptr blockrefptr = pentiter->entity();
i hope this helps ..
it is sound fine but i must use an array for memorize value.
it is not so elegant but seem work
thank's
having blocktablerecord id you can get ids of block references referencing the block: oddbblocktablerecord::getblockreferenceids().
but not that a block can be inserted multiple times....
sergey slezkin