Pset_AnnotationSurveyArea Specifies particular properties of survey methods to be assigned to survey point set or resulting surface patches IfcAnnotation/SurveyArea IfcAnnotation/SurveyArea AcquisitionMethod The means by which survey data was acquired. GPS LASERSCAN_AIRBORNE LASERSCAN_GROUND SONAR THEODOLITE USERDEFINED NOTKNOWN UNSET GPS GPS LASERSCAN_AIRBORNE Laserscan Airborne LASERSCAN_GROUND Laserscan Ground SONAR Sonar THEODOLITE Theodolite USERDEFINED Userdefined NOTKNOWN Notknown UNSET (unset) Value has not been specified. Acquisition Method MethodeAcquisition La méthode utilisée pour effectuer le relevé. AccuracyQualityObtained A measure of the accuracy quality of survey points as obtained expressed in percentage terms. Accuracy Quality Obtained PrecisionObtenue Mesure de la précision obtenue des points de relevé, exprimée en pourcentage. AccuracyQualityExpected A measure of the accuracy quality of survey points as expected expressed in percentage terms. Accuracy Quality Expected PrecisionAttendue Mesure de la précision attendue des points de relevé, exprimée en pourcentage. Définition de l'IAI : spécifie des propriétés particulières de méthodes de relevé à relier à des ensembles de points de relevé ou aux surfaces résultant de ce relevé.