Hi,
I dynamically plotted graphs using GD::Graph::bars in perl with the data
from a database. The bars have fixed width for a particular plot and there
is no spacing between the bars.....If there are many bars in the plot , the
width of each bar reduces and if there are less number of bars the width of
each bar increases....
I am facing a problem with the plot - the bars do not start at a fixed
point on the X-axis, as in if there are many bars on the graph, the starting
position of the bars is shifted more close to the Y-axis and if there
are less number of bars the bars start from a point which is little away
from the Y-axis and the width of each bar also reduces and increases
accordingly.... the width of the bars is not an issue , but the starting
point of the bars bothers me. I observed that for some graphs the space
between the axis and the starting point of the bars is equal to 3times the
width of each bar...but this space is not the same for all the graphs....
and this is creating a major problem..all the plotting i have done goes
waste if i cannot figure out where the bar start , because I need to get
data from the database accordingly for each bar, and display them when the
OnmouseOver event is invoked. So, if do not know where each bar starts and
ends exactly , the data i provide will not be precise.....
I hope you understood my problem; So , how i can figure out where exactly
the bars start ..is there any algorithm that determines the starting
position of the bars ..if so , then can somebody let
me know that.... I have been trying since almost a month to fix this , but
am unable to.....
Thanx,
Mrudula..
PS:I am sending a couple of html files as attachments... demo1.html has a
proper graph - click on any bar and it can be observed that the bar is
exactly within the boundry.. demo2 has the graph which has the
problem...i.e. the bars are shifted ... when clicked on any bar , the
difference can be observed......
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