const char * ParameterGroup::getStringValue(const char *paramName)
{
StringParameter *dp = dynamic_cast<StringParameter*> (this->getParameter(paramName));
if(dp == NULL) {
cout << "Parameter \"" << paramName << "\" is not of type string.\n";
return "";
}
return dp->getValue();
}
bool ColorAttribute::compute() {
//std::cerr << "ColorAttribute: compute: execcount=" << m_executionCount << std::endl;
auto color = p_color->getValue();
Object::const_ptr obj = expect<Object>("data_in");
if (!obj)
return false;
Object::ptr out = obj->clone();
out->addAttribute("_color", color);
addObject("data_out", out);
return true;
}