SRS Image Series workflow > Acquire Configuration >
7. SRS grid layout settings
Select Method for XY Scanning
Exhaustive grid: Acquire image tiles that capture all of the selected regions of interest (i.e., without systematic random sampling).
SRS grid: Employ systematic random sampling (SRS) to acquire representative sample images from across the selected regions of interest.
Define SRS Layout
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Choose one of the following ways to define the SRS grid layout:
Grid size and counting frame size remain consistent throughout all of the sections for a given region of interest. The number of sites, however, may change because the grid is applied randomly every time you start a new probe run. Click Display Changes or Estimate Grid Size repeatedly to see how the grid is applied differently every time.
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Manually enter the grid size
- Type in values (µm) for X and Y grid spacing.
- Click Display Changes.
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Enter a percentage of the region of interest that you want to sample.
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Type the percent to sampled in the Percentage box.
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Click Display Changes
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Determine grid size based on number of sampling sites:
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Enter the desired number of sites in the Approximate Sites box.
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Click Estimate Grid Size.
This option is ideal if you don’t know your desired X and Y grid spacing. For instance, if you want to count a mean of 10 sites based on the current representative section, set the grid size to include approximately 10 counting frames in the region of interest.
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We recommend that you check the box to Round to increments of 1 micron or larger.
Undo my changes: Click to remove your input for this step and revert to the default values.