Is this because the file is dynamically changing its contents without changing
its file name?
Forcing it to re-read on a frame change is a pretty wasteful way to do it -
include the modification time of the file in the hash instead:
struct stat st;
if (stat(filename(), &st)==0)
geo_hash[Group_Primitives].append(&st.st_mtime, sizeof(time_t));
On Apr 8, 2011, at 5:41 AM, Xiaolong Qian wrote:
> hi,
>
> Try to override this function:
>
> void get_geometry_hash(){
> ReadGeo::get_geometry_hash();
> geo_hash[Group_Object].append(outputContext().frame());
> }
>
> 2011/4/7 Eric Larsen <[email protected]>
> Is there a way to force ReadGeo to update reading frames for a single file
> (no single file per frame)? I wrote a custom GeoReader node that is working
> but not updating. I creating a derived class from ReadGeo overriding the
> append function as suggested in a previous post and also tried animating
> parameters in the ReadGeo node. Is there another way to force ReadGeo to
> execute the GeoReader geometry_engine call?
>
> Thanks,
>
> Eric
>
>
>
> void append(Hash& hash)
> {
> hash.append(outputContext().frame());
> }
>
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