Re: charting program that works with illustra/universal server
Posted in 1998
Jason Xu wrote: > > Hi, > > Looking for a charting program that can draw simple charts out of some time > series data in the database. > The charts need to be created dynamically for the web. Kind of like the > stock charts in many sites. > > I'd appreciate it if anyone can point me to the right direction. > > Jason You can use a trick to draw charts on the web: Since you can specify image size directly in HTML file, you can do something like that: <IMG SRC="blue.gif" WIDTH=315 HEIGHT=20> where WIDTH and/or HEIGHT attributes can be retrieved from the database. So you can write small program in 4GL, which creates complete HTML document and use previus technic to stretch images so they look like bars of different sizes in graph. Report functions are very appropriate to do something like that. Gorazd