question: tells me if the underlying iiometadata contains nodata tag . concode_field_sep Logger LOGGER concode_elem_sep AffineTransform modelTransformation concode_elem_sep PixelScale pixelScale concode_elem_sep int geoKeyDirTagsNum concode_elem_sep TiePoint[] tiePoints concode_elem_sep double noData concode_elem_sep int geoKeyRevision concode_elem_sep int geoKeyDirVersion concode_elem_sep int geoKeyMinorRevision concode_elem_sep HashMap<Integer,GeoKeyEntry> geoKeys concode_elem_sep IIOMetadataNode rootNode concode_field_sep Collection<GeoKeyEntry> getGeoKeys concode_elem_sep TiePoint[] getModelTiePoints concode_elem_sep boolean hasPixelScales concode_elem_sep double getNoData concode_elem_sep GeoKeyEntry getGeoKeyRecord concode_elem_sep boolean hasModelTrasformation concode_elem_sep int getGeoKeyRevision concode_elem_sep int getGeoKeyMinorRevision concode_elem_sep int getGeoKeyDirectoryVersion concode_elem_sep String getGeoKey concode_elem_sep int getNumGeoKeys concode_elem_sep AffineTransform getModelTransformation concode_elem_sep boolean hasTiePoints concode_elem_sep boolean hasGeoKey concode_elem_sep PixelScale getModelPixelScales
target: boolean function ( ) { return ! Double . isNaN ( noData ) ; }