/***********************************************************************//**
* @brief Construct temporal model from XML element
*
* @param[in] temporal XML element containing temporal model information.
*
* @exception GException::model_invalid_temporal
* Invalid temporal model type encountered.
*
* Returns pointer to a temporal model that is defined in an XML element.
***************************************************************************/
GModelTemporal* GCTAModelBackground::xml_temporal(const GXmlElement& temporal) const
{
// Get temporal model type
std::string type = temporal.attribute("type");
// Get temporal model
GModelTemporalRegistry registry;
GModelTemporal* ptr = registry.alloc(type);
// If model if valid then read model from XML file
if (ptr != NULL) {
ptr->read(temporal);
}
// ... otherwise throw an exception
else {
throw GException::model_invalid_temporal(G_XML_TEMPORAL, type);
}
// Return pointer
return ptr;
}
/***********************************************************************//**
* @brief Signals if sky model is temporally constant
*
* @return True if sky model is temporally constant, false otherwise.
*
* Signals if the sky model is temporally constant. A temporally constant
* model is a model that has a temporal component of type "Constant".
***************************************************************************/
inline
bool GCTAModelIrfBackground::is_constant(void) const
{
return (m_temporal != NULL && m_temporal->type() == "Constant");
}
/***********************************************************************//**
* @brief Signals if model is temporally constant
*
* @return True if model is temporally constant, false otherwise.
*
* Signals if the model is temporally constant. A temporally constant model
* is a model that has a temporal component of type "Constant".
***************************************************************************/
inline
bool GCTAModelRadialAcceptance::is_constant(void) const
{
return (m_temporal != NULL && m_temporal->type() == "Constant");
}