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User Manual 5 Step-by-Step Guides
106
5.19 Map Processing
This section describes the online and offline processing of HyperMap data (datacube/.bcf files*).
Step Example/hints
1
Select the workspace.
2
Use the icon to open the periodic
table and identify elements.
Select elements by clicking on the Auto ID or
use the Finder in the Spectrum tab. Identified
elements are displayed in the map thumbnail
bar.
3 Select/Deselect element(s) in the
thumbnail bar by ticking/unticking the
boxes below the individual element
images to display their distribution in the
large/ mixed map image.
Optionally use or on the right of
the thumbnail bar.
4
Click to open the
Map display
settings
submenu and adjust
Alternatively, click with the left mouse button
into the Map display bar.
a)
Image filter
Applies filters on the overlay EM image.
b)
Map filter
Applies filters on the element distribution
map.
c) Result types Use Online deconvolution to display
deconvolved elements distribution maps.
d) Color control Use sliders to apply image brightness,
gamma correction and color saturation.
e)
Map color mixing.
Use
Enhanced
to improve the display of EM
image and element map overlay.
5
Click on to switch to pseudo colors
display.
Choose one element only for pseudo color
display. Right click on the icon to adjust
Palette settings . Note: If the map is not
quantified, the values are normalized to the
highest displayed intensity value.
6 Extract point/area spectra from the map:
i. Right click on to access
object tool list
ii. Select the preferred tool
iii. Click on to activate the
object tool
iv. Move the cursor to the area of
interest, press left mouse key and
drag cursor to expand object.
View and quantify the extracted point/area
spectra in the
Spectrum tab
.
Select point, line, rectangle, ellipse or
polygon.
Object spectra appear in Spectrum tab.
Line profile appears in the
Line scan tab.
Enhance line profile statistics: use + and –
keys to set line width. Line scan can be
transferred to the Line Scan workspace via
the Project. To quantify a map or a line scan,
see section 5.18 or 5.16.
7
Click on to generate a
MaximumPixelSpectrum
Identification of locally enriched elements
with low total concentration. The
MaximumPixelSpectrum is displayed in the
Spectrum
tab.