how to handle this kind of report

Hi, i have a doubt in report...i.e in my report there is a two kind of chart
i)one is hourly based report with bar chart or line chart
ii) second is day total sale report with meter chart

actually my task is i have to create a report with current date report for period of one hour its has been calculated a sale value it has been show in graph with the updation value without any parameter likewise for each hour .........how to calculate a each hour and update a value in chart....and then in meter chart can i change a needle a with script.....if its possible means

i attached a txt here i have seen this report in this website...its suitable for my question...just analyses and give answer for me as soon as possible





thanks in advance.....