GUI for selecting mapped objects
h = handlem brings up a Select Object dialog
box, which lists all currently displayed objects. Returns the selected
h = handlem('prompt') brings up a Specify
Object dialog box, which allows greater control of object selection.
Select Object Dialog Box
The scroll box is used to select the desired objects from the
list of mapped objects. Pushing the Select all button
highlights all objects in the scroll box for selection. Pushing the OK button
returns the object in the variable
h. Pushing the Cancel button
aborts the operation.
Specify Object Dialog Box
The Object Controls are used to select an object type or tag. The Name pull-down menu is used to select from a list of predefined objects. The Other Tag edit box is used to specify an object tag not listed in the Name pull-down menu. Pushing the Select button brings up the Select Object dialog box, which shows only the currently displayed objects for selection.
The Match Controls are used when a graphics object type (image, line, surface, patch, or text) is specified. The Untagged Objects selection button is used to return only those objects with empty tag properties. The All Objects selection button is used to return all objects of the specified type, regardless of whether they are tagged.
Pushing the Apply button returns the specified objects. Pushing the Cancel button aborts the operation.