Histogram Tool Overview
The Histogram Tool is used to visualize quantitative trends in large amounts of 1D, 2D, or 3D data, or 8-bit multi-layer images. You can create a histogram for any non-scalar variable of these types:
 
note
Not all of the data can have the same value. For example, a 2D array of zeroes is unacceptable.
Avoid using the PV-WAVE DEVICE command at the WAVE> command line when VDA Tools are running.
Histogram Tool Features
The Histogram Tool offers options for enhancing the appearance of the histogram.
*You can use color to highlight your data.
*You can use the VDA Tool’s graphical features allow you to annotate the histogram with lines, ellipses, rectangles, and text.
*You can change the range of data in both the X and Y directions.
*You can produce either a frequency or a cumulative histogram plot.
Using Online Help
The online Help system for this VDA Tool contains:
*Reference material on the menus and button bar of the Histogram Tool window. To access this information, click on the links in the Histogram Tool Contents topic.
*Task-oriented information. To access this information, click on the How To link in the Histogram Tool Contents topic.
*A glossary of terms. To access the glossary, click on the Glossary link in the Histogram Tool Contents topic.
*Context-sensitive reference material on dialog boxes. To access this information, click the Help button in any dialog box.
 
note
Don’t forget to check the message area at the bottom of the Histogram Tool window. The message area displays helpful information about tasks you are performing.