Realtime Image Analysis

This example recipe Realtime Analysis.rcx will demonstrate how Image Analysis and Image Modify commands may be integrated with the image capture process during a recipe run.

1. Teach the "Flatten" (Image Modify) Command

	Build the recipe Realtime Analysis.rcx with a standard Realtime Configuration. Create a site and set up the recipe to capture an image. Create a Flatten node as a child to the Capture Image node.
	With the Flatten node selected, click on the Professor icon. The Professor will lead you through the process of configuring the image analysis parameters. All image analysis and modify commands have a professor available to help teach the parameters.
	The Professor first asks you if you would like to load the default values or to load previously configured values. Because this is a new node, choose Load default values and click Next:

The Professor then opens the Flatten interface. Because the file to be modified has not yet been created, the screen will be black. The user can now select the pertinent parameters such as the Flatten Order. Once the parameters have been set, select Next:

The Flatten window will then close and the configured parameters will be shown in the node details in grey. The parameters may be retaught at any time by selecting the professor again.
Because Flatten is an image modify command, it will create an output image file. Ensure that you appropriately name the output image file name:

2. Teach the Roughness (Image Analysis) Node

Create a Roughness image analysis node as a child to the Flatten node. As a child to the Flatten node, the roughness analysis will be performed on the modified output image created by the Flatten node.

NOTE: If the Roughness node was created as a sibling to the Flatten node (child to the Capture Image node), then the analysis would be performed on the original Captured Image, not on the modified file:

If the Roughness node has accidentally been created as a sibling to the Flatten node, then delete it and recreate another Roughness node by right clicking on the Flatten node and selecting
New > Image Analysis > Roughness.

Select the Roughness node, and click on the Professor to teach the roughness properties:

For now, leave the Create Data Report setting set to No. We will view the results of the Roughness analysis in the standard HTML report format. The next section that deals with batch image processing shows an example of how to use image analysis data reports.
Configure the Roughness input parameters, and then click Next to continue:

The taught roughness parameters are now shown in grey in the Roughness node properties window:

They may be retaught be engaging the Professor again.

3. Teach the Image Export node

Create an Image Export node as a child to the Flatten node, NOT as a child to the Roughness node. Image Export nodes should only be placed as child nodes to image modify commands, not image analysis commands.

The Roughness command is an Image Analysis command, and does not output an image file. Thus there is no reason to put an Image Export node to act on the results of this node.
The Flatten command is an image modify command. Flatten produces an output image and thus we can export to .jpg the results of this function.

In this example recipe, the Roughness (Image Analysis) command and the image export node are both placed as children of the Flatten (Image Modify) command:

Recall that the order of sibling nodes only affects the order in which the operations are performed. In this case, it does not matter which operation is performed first.

4. Run the Recipe

When the recipe has finished running, open the folder in which the captured images and reports have been created. There should be the original captured file NanoScope image file, the flattened (modified) NanoScope image file, the exported image in .jpg format, and also the XML and HTML report documents:

Open the document Report 1.html in a web browser. The results of the Roughness analysis function should be displayed within the recipe report:

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