文档介绍：Experience with Tcl/Tk for Scientific and Engineering Visualization
Brian W. Kernighan
AT&T Bell Laboratories
Murray Hill, New Jersey 07974
******@research.
ABSTRACT Each menu button across the top of the display
raises a sub-menu of further choices, some of which in
This paper relates experience gained while building a turn raise other top-level windows. For example, the
graphical user interface for a system that helps design Parameters menu provides submenus for setting
and implement indoor munications facili- parameters of prediction algorithms, radio properties,
ties. In this paper, I will describe this interface briefly, grid spacing, optimization, and color map. It also pro-
and draw some conclusions about what works well and vides for saving and restoring current parameter settings
what does not. I will pare Tcl/Tk with Visual and base locations, and for restoring all parameters to
Basic for the same application. their default state. Figure 2 shows the Predictor and
Radio parameter sub-menus to illustrate the general
1. Overview style.
For the past 18 months we have been developing a The most ponent of the system is a
system for design and optimization of indoor wireless C++ program that predicts radio coverage throughout a
communications systems. The input is a description of building, given parameter values and building geometry
the coordinates po