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Java Forum / General / January 2007graph / charting library for jsp servlets
hi all, which is most popular (,better) charting / graphics library apart from jfreechart it should provide support for rendering graphs in web application more preferable if its kind of interactive, scalable, zoom ,pan (however not must though) should provide for representation across multiple products (categories) in 3d format regards amey ... > support for rendering graphs in web application > more preferable if its kind of interactive, scalable, zoom ,pan > (however not must though) For this ability, it would require an 'active' part on the side of the end user. This could be provided by something like a Java applet or web started application, or Flash, or for some of that, using JavaScript. Andrew T. Hi Andrews, thanks for your response however i would prefer to have thin client. would not rather prefer any plug-ins to be installed at client side. ajax would be fine. you aware of any such graphics library? which other library is more popular? regards amey > ... > > support for rendering graphs in web application [quoted text clipped - 9 lines] > > Andrew T. > Hi Andrews, Just a small point, but my name is 'Andrew', never 'Andrews'. > thanks for your response Your thanks is best expressed, by not top-posting, in future. I find it most confusing. The better way is to 'break in' wherever you need to make a point. Like I am doing. > however i would prefer to have thin client. That is a very safe choice, to allow the widest range of visitors to use the site. There are a number of places I access the net, that either block *all* those things I was talking about, or support some, but not others. But that brings me to.. >...would not rather prefer any > plug-ins to be installed at client side. > ajax would be fine. AJAX (or is it Ajax/ajax?) is an interesting one. It relies directly on JavaScript, for its functionality. Even though JS is not a plug-in, since it comes with the browser, does not mean it is *enabled*. It is particularly easy, in Mozilla based browsers, to disable support for JS, and while difficult, it is also possible to disable JS in IE. Do not make the mistake of assuming that everyone will be able to visit a site that relies on JS. > you aware of any such graphics library? > > which other library is more popular? The one for which you already asked for alternatives, is not only the only one I would recommend, but also the only one I know of! Why does JFreeChart not fit your needs? Andrew T. Hi Andrew, > Just a small point, but my name is 'Andrew', > never 'Andrews'. my apologies. > It is particularly easy, in Mozilla based > browsers, to disable support for JS, and > while difficult, it is also possible to disable > JS in IE. i completely agree and aware of the same. however we can safely assume that it exists. OTOH with plug-ins, most probably people would not like to install anything on their machine. > Do not make the mistake of assuming that > everyone will be able to visit a site that relies > on JS. yes there are always options given to users such as offering basic site version. > Why does JFreeChart not fit your needs? im looking for some better look and feel. JFreeChart very well does the job of rendering the information but lacks when it comes to presentation. I may not be expert in it but im looking for some impressive UI like http://www.dotnetcharting.com/demo.aspx i wouldn't mind if the library is not free. also any feedback on Batik ? after lot of googling, i came across an idea which is like using JFreechart to write SVG file and then using Batik to generate PNG format. however this might affect the performance a little. also not sure if this will generate the same quality SVG graphics. regards amey > > Why does JFreeChart not fit your needs? > [quoted text clipped - 4 lines] > > i wouldn't mind if the library is not free. That reminded me of ChartDirector http://www.advsofteng.com/cdjava.html I can't comment on how well it works, nor on its value-for-money -- in fact I have never used it at all. -- chris > i wouldn't mind if the library is not free. > also any feedback on Batik ? > after lot of googling, i came across an idea which is like using > JFreechart to write SVG file and then using Batik to generate PNG > format. >From JFreeChart website. support for many output types, including Swing components, image files (including PNG and JPEG), and vector graphics file formats (including PDF, EPS and SVG); Still need to use of Batik? > however this might affect the performance a little. also not sure if > this will generate the same quality SVG graphics. SVG is not compatible with IE, by default. You would need to install a plugin for that. BTW if your concern is presentation, I wonder if anything can beat Flash( Take a look at the options you have in Google Analytics, its not just restricted to graph), so how would SVG be any better in terms of getting rid of the plugin issue? One thing that I would like to ask here is that, if I am using AJAX, how is the Graph going to be rendered? Does Ajax has the ability to render images (graph in this case) for available set of data? I thought, one would have to create image on the fly on the server and serve it back to the presentation layer using AJAX. If thats the case, then we would have to fall back to JFreeChart or some other API, am I right? -- Ck http://www.gfour.net > > i wouldn't mind if the library is not free. ... > One thing that I would like to ask here is that, if I am using AJAX, > how is the Graph going to be rendered? Does Ajax has the ability to > render images (graph in this case) for available set of data? No. Not as far as I know, anyway. I was thinking more that the HTML points to a single (largish) chart/plot image, of which only a small part is visible on the page, while JS provides the ability to pan left/right or up/down as well as rescaling the image on the fly (for zoom). >...I > thought, one would have to create image on the fly on the server and > serve it back to the presentation layer using AJAX. If thats the case, > then we would have to fall back to JFreeChart or some other API, am I > right? To produce the initial image, yes. But at least the client does not need Java plug-in installed, to view the image. Andrew T. > > One thing that I would like to ask here is that, if I am using AJAX, > > how is the Graph going to be rendered? Does Ajax has the ability to > > render images (graph in this case) for available set of data? > > No. Not as far as I know, anyway. well as of now there is library to generate grpahs , charts. but have a look at this http://www.walterzorn.com/jsgraphics/jsgraphics_e.htm this enables you to draw 2D graphics using js. with this library soon we can expect full fledged charting library just like JFreechart so you can either wait till it comes or can develop your own ;) what say regards amey > SVG is not compatible with IE, by default. You would need to install a > plugin for that. BTW if your concern is presentation, I wonder if > anything can beat Flash( Take a look at the options you have in Google > Analytics, its not just restricted to graph), so how would SVG be any > better in terms of getting rid of the plugin issue? precisely, thats why i was considering using JFreeChart to generate SVG file and then using Batik to rasterize the image from this SVG to PNG format and then send it to the browser. google must be isomg flex (im not sure but flex being the next flash thing). this again requires plug-in on browser. > One thing that I would like to ask here is that, if I am using AJAX, > how is the Graph going to be rendered? Does Ajax has the ability to [quoted text clipped - 3 lines] > then we would have to fall back to JFreeChart or some other API, am I > right? yes you r right. amey btw i wanted to know if we can customize the following things in JFreechart * lightsource ? * transparency ? * multiple axis such as X , Y ,Z axis ? regards amey Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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