object highlighting menu

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In this menu, you can interact with the graphs you have created, thereby generating statistics and optionally a display of the objects in your image. The general scheme for highlight graphs is this:

  1. You select a color in the Highlight color menu field.
  2. You set the Display objects? toggle to Yes.
  3. If your graph is a histogram:

    You click on two different bars of the histogram, using button 1. The two bars you click on, and all the bars in between, will change to the color you selected. Then, the system will draw all the objects in your image that are represented by the bars you selected.

    If your graph is a scatter plot:

    You use button 1 to draw a loop or lasso on the scatter plot. Click button 2 to finish the loop and close it up. The system will then draw all the objects that fall within the loop on the scatter plot.

After the object display is complete, the system reports the total number of objects that are displayed, the percentage of the entire image area that they represent, and the percentage they make up of the entire image area minus the area of any objects that have been constrained out by constraint graphs.

The scheme for constraint graphs is:

  1. Initially, all the bars in the histogram are green. A green bar means that the objects that fall within that bar are allowed, that is, not constrained out.
  2. You can change green bars to white by clicking twice as described above. Objects that fall into white bars are constrained out, and will not appear when you highlight objects.
  3. Each pair of clicks changes the covered bars from green to white or vice-versa.

When displaying objects, the system looks at the Draw exteriors? and Draw interiors? toggles todetermine which parts of the objects to draw. The Draw exteriors? toggle controls whether the system draws the outer boundary of each object, while the Draw interiors? toggle controls the drawing of any holes that the object may have in it. What is drawn determines what is saved when you save bitmap or vector images. What you see is what you get.

You can ask for the mean and standard deviation of any measured object parameter by entering the parameter you want in the Parameter menu field, and clicking on the CALCULATE MEAN AND STANDARD DEVIATION menu field. The Units menu field lets you select the units that are used to report the mean and standard deviation. The objects that are used in the calculation are those that have been highlighted, or, if none have been highlighted, all that are not constrained out.