Operation
9
display of the grid, peak positions and peak heights on and off and see the coordinates of
the current position of the mouse pointer.
If you zoom into the wavelength axis, a scrollbar appears at the bottom of the diagram
for easily moving the displayed part of the spectrum. Alternatively, you can grab and
move the axis with the mouse. You can also drag the intensity axis in order to change the
maximum value and quickly enlarge weaker parts of the spectrum.
If you would like to determine the intensity value at the position of the mouse pointer
relative to a reference value, just move the mouse to that reference value, click with the
right mouse button and choose ‘‘Set reference level’’.
You can select a single wavelength or a range of wavelengths by clicking or clicking and
dragging in the diagram. This selection can be used to compare wavelength values, to
display statistical data just for the selection (see chapter 3.5) and to zoom into it (by right-
clicking).
3.5
Working with spectra
In Waves, you can have several spectra loaded at the same time for easy comparison and
analysis. On the upper left side you can see the Spectrum List. Whenever you take a new
spectrum, it appears in this list as ‘‘current spectrum’’ and overwrites any previous
‘‘current spectrum’’. If you would like to keep this spectrum and take another one, just
click on the single push pin button [ ]. This prevents the current spectrum from being
overwritten. A new spectrum you take is then appended to the list. Giving the ‘‘current
spectrum’’ a new name also prevents it from being overwritten. You can also choose to
keep all new spectra by selecting the button with multiple push pins [ ] in the Exposure
Toolbar.
When you have multiple spectra in the list, one spectrum is always selected (marked by a
gray bar). All metadata and additional information for this spectrum is displayed in the
Properties Panel on the lower left side. The Properties Panel has five Tab pages:
o
General:
Displays spectrum metadata. ‘‘Name’’ corresponds to the name in the
Spectrum List. ‘‘User’’ is automatically set to the current Windows user name, but
can be changed. ‘‘Sample’’, ‘‘Light’’ and ‘‘Comments’’ can be freely edited by the
user. You can change the color of the spectrum by clicking on the color box. Please
note that ‘‘User’’, ‘‘Sample’’, ‘‘Light’’ and ‘‘Comments’’ is the same for all spectra in
the list.
o
Values:
Displays statistical values both for the whole spectrum and within the
selection (if you have selected a range of wavelengths in the diagram).
o
Color:
Displays colorimetric values. For precise color measurements please also
read the section on calibration accuracy in chapter 3.9.
o
Peaks:
Displays peak positions, heights and widths. This list can be save to a file by
choosing ‘‘Export Peaks’’ from the file menu.
o
Data:
Displays a list of all values of the spectrum.
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