Example #1
0
void NTNDArrayRecord::setAttributes()
{
    // Get the attribute field
    PVStructureArrayPtr attributeField = ndarray->getAttribute();

    // Create a shared vector or reuse
    PVStructureArray::svector attributes(attributeField->reuse());
    attributes.reserve(1);

    // Create an attribute for the Color Mode
    // name: ColorMode
    // value: variant union stores a PVInt with value 0
    // descriptor: "Color mode"
    // source: ""
    // sourceType = 0
    PVStructurePtr attribute = getPVDataCreate()->createPVStructure(attributeField->getStructureArray()->getStructure());

    NTNDArrayAttributePtr ntattribute = NTNDArrayAttribute::wrap(attribute);

    ntattribute->getName()->put("ColorMode");
    PVInt::shared_pointer pvColorMode = getPVDataCreate()->createPVScalar<PVInt>();
    pvColorMode->put(0);
    ntattribute->getValue()->set(pvColorMode);
    ntattribute->getDescriptor()->put("Color mode");
    ntattribute->getSourceType()->put(0);
    ntattribute->getSource()->put("");

    attributes.push_back(attribute);

    // Replace the attribute fields stored
    attributeField->replace(freeze(attributes));
}
Example #2
0
void NTNDArrayRecord::setDimension(const int32_t * dims, size_t ndims)
{
    // Get the dimension field
    PVStructureArrayPtr dimField = ndarray->getDimension();

    // create a shared_vector or try to reuse the dimension field's one  
    PVStructureArray::svector dimVector(dimField->reuse());
    // resize/reserve the number of elements
    dimVector.resize(ndims);
    // Iterate over the number of dimensions, creating and adding the
    // appropriate dimension structures.
    for (size_t i = 0; i < ndims; i++)
    {
        PVStructurePtr d = dimVector[i];
        if (!d || !d.unique())
            d = dimVector[i] = getPVDataCreate()->createPVStructure(dimField->getStructureArray()->getStructure());
        d->getSubField<PVInt>("size")->put(dims[i]);
        d->getSubField<PVInt>("offset")->put(0);
        d->getSubField<PVInt>("fullSize")->put(dims[i]);
        d->getSubField<PVInt>("binning")->put(1);
        d->getSubField<PVBoolean>("reverse")->put(false);
    }
    // replace the dimensions field's shared_vector
    // (Remember to freeze first)
    dimField->replace(freeze(dimVector));
}