DataCard UltraGrafix Select Manual de Instalação Página 306

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Defining and Testing Search Parameters
Once the image is loaded, the search parameters can be defined and tested to see
how well they perform.
The image below shows the dialog with a loaded image.
In this case, our target is a “T” shape near the top of the product. The target file
used is the default “Target-T.bmp” file. This is the default target provided with
the controller software. A different target can be specified using the Target File/
Browse button.
This Vision Profile uses the front (default) side of the product.
Specifying the Ideal Location for the Reference Mark
Perform the following procedure to specify the ideal location for the reference
mark.
1. To fi
nd the reference mark on the sample image, left click on the reference
point of the reference mark. In this example, the place where the horizontal
and vertical lines meet is the reference point of the reference mark (the top-
center of the T). Left clicking on this point causes the search computation to be
performed at your mouse position, yielding the following:
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