[spectra] fix: replace some _spectra_volume to Spectra.map_to

est/core/process/process.py

@@ -167,8 +167,7 @@ class Process(object):
                 if use == "_spectra_volume":
                     # if we can display the result as a numpy.array 3d
                     try:
-                        _data[key] = XASObject._spectra_volume(
-                            xas_obj.spectra,
+                        _data[key] = xas_obj.spectra.map_to(
                             key=key,
                             relative_to=relative_to,
                         )

est/core/types/xasobject.py

@@ -297,16 +297,7 @@ class XASObject(object):
         return res
 
     def absorbed_beam(self) -> numpy.ndarray:
-        return XASObject._spectra_volume(
-            spectra=self.spectra,
-            key="mu",
-        )
-
-    @staticmethod
-    def _spectra_volume(spectra: Spectra, key: str, relative_to: str = "energy"):
-        """Convert a list of spectra (mu) to a numpy array.
-        ..note: only convert raw data for now"""
-        return spectra.map_to(key=key, relative_to=relative_to)
+        return self.spectra.map_to(key="mu")
 
     def load_frm_dict(self, ddict: dict):
         """load XAS values from a dict"""

est/gui/XasObjectViewer.py

@@ -242,7 +242,6 @@ class MapViewer(qt.QWidget):
             return
         # set the map view
         spectra_volume = self._xasObj.spectra.map_to(
-            spectra=self._xasObj.spectra,
             key=self.getActiveKey(),
         )
         self._mainWindow.setStack(spectra_volume)
@@ -463,9 +462,7 @@ def _plot_norm(obj, **kwargs):
     if isinstance(obj, XASObject):
         assert "index" in kwargs
         index_dim1 = kwargs["index"]
-        spectra = XASObject._spectra_volume(
-            obj.spectra, "normalized_mu", obj.dim1, obj.dim2, relative_to="energy"
-        )
+        spectra = obj.spectra.map_to("normalized_mu", relative_to="energy")
         spectra = spectra[:, index_dim1, :]
         mean = numpy.mean(spectra, axis=1)
         std = numpy.std(spectra, axis=1)
@@ -557,9 +554,7 @@ def _plot_raw(obj, **kwargs):
     elif isinstance(obj, XASObject):
         assert "index" in kwargs
         index_dim1 = kwargs["index"]
-        spectra = XASObject._spectra_volume(
-            obj.spectra, "normalized_mu", obj.dim1, obj.dim2, relative_to="energy"
-        )
+        spectra = obj.spectra.map_to("normalized_mu", relative_to="energy")
         spectra = spectra[:, index_dim1, :]
         mean = numpy.mean(spectra, axis=1)
         std = numpy.std(spectra, axis=1)