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Crop & Split

The Crop & Split function replaces and expands the Zoom function used in version 7.0 and earlier releases of NanoScope software. Use the Crop & Split function to extract an image from a large Version 7 image for Version 5 analysis or to inspect only part of an image. NanoScope Version 5 software features a number of Offline functions currently not available in Versions 7 and 8 NanoScope software. Crop & Split will produce the largest Version 5 image size possible within the bounded region (128 x 128, 256 x 256 or 512 x 512).
 
NOTE: The image produced by this analysis is Version 5 compatible, however, if the image is later processed by a Version 7 analysis, the image may no longer be Version 5 compatible.

Crop and Split Procedure

 
  1. Open a large Version 7 or 8 image (larger than 512 x 512).
  2. You can open the Crop and Split view, shown in , using one of the following methods: 
    • Right-click on the image name in the Workspace and select Add View > Crop and Split from the popup menu. See Figure 1.

Figure 1: Select Crop and Split from the Workspace.

 

Or

  • Right-click on a thumbnail in the Multiple Channel window and select Crop and Split.

Or

  • Select Modify > Crop and Split from the menu bar.

Or

Click the Crop and Split icon in the toolbar.
 

The selected image opens in the Crop and Split window. See Figure 2.

Figure 2: Crop and Splitwindow

 
  1. Create a bounding box by dragging the mouse in the image (see Figure 2). Place the cursor inside the box, and while holding the mouse button, move the box to the location of interest. If Crop V5 Compatible is selected, the box is restricted to the largest possible Version 5-compatible image size (usually 512 x 512).
  2. Select the Output File Name by clicking on the file name and then clicking the box to the right of the file name. Select a location and name for the new image. 
  3. Click the Create File(s) button.
  4. Use this new image for further (Version 5 or other) analysis.

Crop and Split Interface

Parameter Description

Crop V5 Compatible

Settings:

  • Yes—A V5 compatible file (128 x 128, 256 x 256 or 512 x 512) is created from the image.
  • No—Crops to arbitrary sizes.

Method

Available with Crop V5 Compatible set to Yes.

Settings:

  • Interpolate—Data points will be interpolated to create new image.
  • Replicate—Data points will be used as is to create a new image.

V5 Number of sample

Available with Crop V5 Compatible set to Yes.

Settings:

  • 128, 256, 512.

Save Channels Separatel

Settings:

  • Yes— Individual files, named OriginalFileName_crop and splitN.f07, where N is the channel number (1 through 8), are created.
  • No—One file with all selected channels will be created.
Save Subset File

Settings:

  • Yes—One file with all selected channels will be created.
  • Yes— Individual files, named OriginalFileName_crop and splitN.f07, where N is the channel number (1 through 8), are created.

Note: You must select Yes for either the Save Channels Separately or the Save Subset File commands.

Output File Name

Select the path of the extracted image file.

Write File Upon Execute

Writes the output file(s) when the Create File(s) button is clicked.

Include Channels

Settings:

  • Yes— This channel is included in the output file(s).
  • No—This channel is not included in the output file(s).

Table 1: Crop & Split Parameters

Parameter Description

Number of X Points

Number of x points in the new image.

Number of Y Lines

Number of y lines in the new image.

Aspect Ratio

Aspect ratio of the new image.

Scan Size

Scan size of the new image. The units of this parameter are volts if the Units parameter
(Other Controls panel) is set to Volts. The units are linear distance (nm or µm)
if the Units parameter is set to Metric.

Error

Possible errors:

  • No Error—(Default)
  • Not Enough X Points—Original image has less than 512 points/line.
  • Invalid Aspect Ratio—Zoomed image results in an aspect ratio greater than 256:1.
  • File Write—A disk error occurred.
  • Unknown—An unknown error has occurred.

Table 2: Results Parameters

Button Description

Create File(s)

An image is created from the portion of the high resolution image that is contained in the bounding box.

Table 3: Crop & Split Buttons

 

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