3/23/2023 0 Comments Anychart getting data![]() It looks like this: // create a data table table () Here you should set which table column contain the x-axis value. First of all, we need to create a table for our data. ![]() You can find more about table data model in An圜hart Table Data Model article. So the chart started to scale according to the data it shows. The most appropriate way of doing this is using table () method. Then I set my chart to use custom XML and inset the value as “&P1_MAX.”: If I do not set a max value and leave it empty, then the chart will be scaled to data but in this case, you see bars are too high even for low values. To solve this problem, I defined a hidden parameter (P1_MAX) in the page, create a computation which will set it to a value of returning from my query (whenever the page is loaded): The URL in the p parameter includes the application, page, and region so Oracle APEX knows which data. If I set an average value, then the bars will be cut to the max value and will not reflect the real values. Line & Area Line Graph Line Chart with Range Slider Line Chart Adding Data Every Second Highlighting Line Chart Series on Legend Hover Selecting and. An圜hart object has to call back to get the data. It’s possible to set a very high value according to our load but in this case, bars will look too small. While arranging them to have a Gantt chart, I see the right side is getting trimmed. APEX uses An圜hart and it lets you set a static value as axis max value: My Data timelines are in epoch milliseconds. ![]() The original chart looks surely better, but the real problem I encountered was about scaling the chart according to the data. I used 2D stacked column chart and make the chart simple (contains only 3 colors: green for CPU, blue for user IO and orange for all other waits) like the ones you see on EM12c database home pages. It’s not a big deal but it’s really useful. We publish it on a big monitor so we can see the performance chart during the day. I just created a one-page APEX application to show performance chart of our main production server based on Active Session History data. Is An圜hart free ' The source is open but the license is not free, you have to obtain a license for a fee for commercial applications. ![]()
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