fix misconception about energy/wavelength

contributed_definitions/NXstress.nxdl.xml

@@ -212,7 +212,6 @@
  <doc>Date calibration was created/added</doc>
  </field>
  </group>
-
  <group name="source" type="NXsource" optional="false">
  <field name="type" type="NX_CHAR" optional="false">
  <doc>
@@ -237,18 +236,6 @@
  <item value="X-ray"/>
  </enumeration>
  </field>
- <field name="energy" type="NX_FLOAT" units="NX_ENERGY" optional="true">
- <doc>
- Source energy. The energy should be provided in keV, but if chosen otherwise, the units must be clearly specified. For storage rings, this would be the particle beam energy.
- For X-ray tubes, this would be the excitation voltage.
-
- </doc>
- </field>
- <field name="wavelength" type="NX_FLOAT" optional="true">
- <doc>
- In case of monochromatic radiation, the wavelength used during the experiment. The wavelength should be provided in \ :math:`Å`, but if chosen otherwise, the units must be clearly specified.
- </doc>
- </field>
  </group>
  <group name="DETECTOR" type="NXdetector" minOccurs="1" maxOccurs="unbounded">
  <doc>Zero or more of these groups describe the detectors used in the experiment.</doc>
@@ -290,7 +277,6 @@
  In this use case, the efficiency and wavelength arrays must
  have the same dimensionality.
  </doc>
-
  <dimensions rank="2">
  <dim index="1" value="i" />
  <dim index="2" value="j" />
@@ -411,6 +397,12 @@
  Describes how the beam intensity profile in the secondary horizontal direction was determined. Examples of valid entries are: ``measured``, ``theoretical``, ``estimated``, ... 
  </doc>
  </field>
+ <field name="incident_energy" type="NX_FLOAT" units="NX_ENERGY" optional="true">
+ <doc>Incident energy mostly useful for monochromatic beams.</doc>
+ </field>
+ <field name="incident_wavelength" type="NX_FLOAT" units="NX_WAVELENGTH" optional="true">
+ <doc>Incident wavelength mostly useful for monochromatic beams.</doc>
+ </field>
  </group>
  </group>