Revisions

This page is a list of updates to the Virtual Titrator accessible by internet access.

 add   multithreaded animation/refresh for applet panel
 fix   loading bug in Macintosh

 fix   graph and trace number rounding bug in Internet Explorer and Netscape 4.0
 fix   checkacid bug in Internet Explorer 4.0

 chg   version 1.5 -- for publication and download
 fix   CheckboxMenuGroup bug in Internet Explorer 4.0
 fix   exception when attempting to graph overlays outside of frame graphics buffer

 fix   corrected the implementation of CheckboxMenuItem for the Java 1.2 standard
 add   stoichiometry solver attached as a window to the virtual titrator
 add   finished help section
 add   contact information in About section
 chg   WinActivity and WinTrace were combined
 del   isoionic and isoelectric points temporarily removed
 chg   acidlist loaded from "acidlist.dat" in same folder as html file

 chg   WindowGroups are deleted when closed -- saves memory
 add   labelled chemistry data points -- pKa, equivalence points, isoionic, isoelectric

 add   WindowGroups have numbered titles -- easier to recognize what windows are related
 add   help window refreshes with mouseMove

 chg   WindowGroup class added -- allows multiple graphing windows to be opened
 add   help -- same as note for first time users

 chg   colors of graph -- red on black is now white on black or red on white

 add   WindowMenuItem class - resolve some GUI bugs in IE 4.0
 chg   windows have corrected activity calculations

 add   graphing of ph vs. concentration
 add   graphing of ph vs. log concentration
 add   default graph is chosen
 chg   buttons on menu panel have more descriptive names
 add   notes for first time users
 add   print and about in help menu

 fix   activity addition to title in correct place

 add   CheckboxMenuGroup class - should avoid menu bugs
 add   graphs using activity calculations
 add   proper activity calculations

 add   activity frame - option pull-down - incomplete calculations
 add   trace along curves - option pull-down

 add   explanation in data file
 add   samples are dynamic - controlled by data file
 fix   refresh after zoom only if needed
 add   zoom focus - mouse click sets a center point for zooming
 add   graphZoom class - window
 fix   updated graph class
 add   popup menu - static
 fix   lines - integral values
 fix   everything communicates

 add   opening screen - changing colors with title
 add   Coordinate Layout
 fix   acid class modular
 fix   acidlist class modular
 fix   graph class modular

 fix   text viewer - horizontal print of alphas
 add   input disable
 add   the acid DB separate - dynamic
 fix   zero concentration for base...water/dilution
 fix   yMax/Min is now checked before used
 add   text view of plot
 add   quick plot
 fix   lines are only drawn if completely on the graph
 add   mode menu
 add   vector for quick plot and text view
 add   window menu list

 add   Help instructions
 add   acid list
 fix   zoom functions
 add   menu functions all operate
 add   samples
 add   works with TextFields
 add   labels to graph lines
 fix   canvas font in Netscape
 fix   redraw during mouseDrag - buffered image

 add   fit to screen with double click
 add   zoom with mouseUp
 fix   (x,y) with mouseMove - coordinate
 add   shows (x,y) with mouseMove - pixel
 add   loops for polyprotic
 add   complex class completed and modular
 fix   zroots - created findroot function
 fix   equations - rem: double in routines
 add   translation of complex.h
 add   zero line
 add   zeroing of graph
 add   canvas
 fix   auto-resize