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hi,

How are you ? Hope you are doing right

So, i'm workin on a time series collection, every thing is workin, i can draw my chart, but i want to add a static line (for example y=5) in my chart and i don't have an idea how can i do that.


Can you help me please?
thank you

Hi, Now, my question is related to Jfreechart. Supposed we have this tables : +------------+----------+---------+ | day | Time | value | +------------+----------+---------+ | 2012-04-16 | 16:09:50 | 4619.46 | | 2012-04-16 | 17:10:05 | 3497.93 | | 2012-04-16 | 18:09:13 | 5862.1 | | 2012-04-16 | 19:09...

no help please ?

Hi Everybody how are you ? Hope you are doing right ... Great, i'm working on a Java Servlet wich extract vlaues saved on a Mysql database. Actually all is working, when i use a simple sql request, i can draw the chart using Jfreechart... But the goal of my application is to draw a chart of the prev...

no idea?

Hello, i want to know if it's possible to read the values when i put the cursor on the graph like this

No idea?

this is my sql querry : select month(date),avg(ftp) from ftptable group by month(date); this is my table : http://img233.imageshack.us/img233/6492/sqle.jpg i take some changes in my code, this is the new version final TimeSeries series = new TimeSeries("", Month.class); ResultSet rs = con.execute("s...

how .?

hello, i test ResultSet rs = con.execute("select month(date),avg(usr) from table group by month(date);"); while(rs.next()){ int v1; v1 = rs.getInt("month(date)"); double v2=rs.getFloat("avg(ftp)"); Calendar cal = Calendar.getInstance(); series.addOrUpdate( new Month(v1,cal.get(Calendar.YEAR)), v2); ...

the problem is in this part of code : java.sql.Timestamp v1; v1 = rs.getTimestamp(""+Hour+""); because when i did select date ,debit from table; it works succesfully because the type of "date" is date. but when i did select month(date) it did'nt work, because the type of month(date) is int....

Hello,
i hava a probleme in my Jfreechart graph,
i used a mysql database, i have a column ' date ' , the format is yyyy-mm-dd
i have also another column rate (type float);
i cant dress the graphe of the variation of the rate (avg(rate)) in function of month
please help
ty

ty it work
ty

have you an idea about the relation between jfreechart and sql ? i have a problem

Hello, i have a database like this | TABLE | CREATE TABLE | +----------+------------------------------------------------------------------------------------------------------------------------------------------------------+ | ftptable | CREATE TABLE `ftptable` ( `date` date DEFAULT NULL, `heure` tim...

Good morning, i have a little probleme : i used timeseries to show my graphe , this is my code : public JFreeChart tracercourbe (String Hour, String debit, String table ,String title,String ordonné,String where) throws SQLException, IOException { connexionBD con = new connexionBD(); TimeSeries serie...