Function writePDA

extern/partio/src/lib/io/PDA.cpp:144–193

}

bool writePDA(const char* filename,const ParticlesData& p,const bool compressed,std::ostream* errorStream)
{
    unique_ptr<ostream> output(
        compressed ? 
        Gzip_Out(filename,ios::out|ios::binary)
        :new ofstream(filename,ios::out|ios::binary));

    *output<<"ATTRIBUTES"<<endl;

    vector<ParticleAttribute> attrs;
    for (int aIndex=0;aIndex<p.numAttributes();aIndex++){
        attrs.push_back(ParticleAttribute());
        p.attributeInfo(aIndex,attrs[aIndex]);
        *output<<" "<<attrs[aIndex].name;
    }
    *output<<endl;

    // TODO: assert right count
    *output<<"TYPES"<<endl;
    for (int aIndex=0;aIndex<p.numAttributes();aIndex++){
        switch(attrs[aIndex].type){
            case FLOAT: *output<<" R";break;
            case VECTOR: *output<<" V";break;
            case INDEXEDSTR: 
            case INT: *output<<" I";break;
            case NONE: assert(false); break; // TODO: more graceful
        }
    }
    *output<<endl;

    *output<<"NUMBER_OF_PARTICLES: "<<p.numParticles()<<endl;
    *output<<"BEGIN DATA"<<endl;

    for(int particleIndex=0;particleIndex<p.numParticles();particleIndex++){
        for(unsigned int attrIndex=0;attrIndex<attrs.size();attrIndex++){
            if(attrs[attrIndex].type==Partio::INT || attrs[attrIndex].type==Partio::INDEXEDSTR){
                const int* data=p.data<int>(attrs[attrIndex],particleIndex);
                for(int count=0;count<attrs[attrIndex].count;count++)
                    *output<<data[count]<<" ";
            }else if(attrs[attrIndex].type==Partio::FLOAT || attrs[attrIndex].type==Partio::VECTOR){
                const float* data=p.data<float>(attrs[attrIndex],particleIndex);
                for(int count=0;count<attrs[attrIndex].count;count++)
                    *output<<data[count]<<" ";
            }
        }
        *output<<endl;
    }
    return true;

}

}