Updating jchart

Posted by / 18-Dec-2016 14:17

// create a chart Chart Frame mychartframe = new Chart Frame("my charts", chart); // some other stuff ...

The USCG LNM is published weekly by each of 9 individual Coast Guard Districts.

It is imperative that these changes be applied to the chart so the chart can be brought up to date.

Mariners using traditional paper charts apply chart corrections manually by using pencils, erasers, rulers, compasses, dividers, and protractors.

I hope I am enough clear, it's not easy to explain.

Thanks for your help, Johann I haven't found an easy way to update a JFree Chart "live", since the data-structure of jfreechart is very incompatible to my data-structure.

There is a good example here (duplicated below) of adding new points to a line chart. However, I think the effect probably depends on the chart you are using. Despite new functions have been introduced to update the data I still prefer this way because embedded functions won't update the chart with "line Chart Data" directly even if I use "my Line.update()" function.

Channels are dredged and sometimes re-routed; new aids to navigation are established or deleted; new wrecks and obstructions are discovered; natural shoaling occurs in many areas; and new berthing facilities are built along the shoreline. waters, the mariner using paper charts relies on three weekly publications to provide update information; the USCG Local Notice to Mariners (LNM), National Geospatial-Intelligence Agency (NGA) Notice to Mariners (NM); and in the Great Lakes and St.Click here to view the Biggest Songs of 2017 so far.Supposing you have created a chart to track the daily sales based on a range of data in your workbook.So I build a redraw()-Method of my own, that collects the data from my data Model, build up a JFree Chart data Model and set the chart new.This gives the feeling of a "live" update, also it is very ugly.

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However, the NGA NM is primarily intended for deep ocean vessels and typically does not carry LNM chart updates that affect waters shallower than 18 feet. and Canadian charts overlap, the Canadian Coast Guard’s Notice to Mariners will sometimes contain unique information not found in the USCG LNM.

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