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Create Time-Based Animated Excel Chart
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Jul 6, 2024
In this video, let's explore how to create a macro to update chart data at specified time intervals. When you run the macro, it creates an animated chart effect. Watch and learn how to bring your #Excel #charts to life with #VBA!
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0:00
Let's create an animated chart that updates dynamically, with changes occurring every
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second until the last row of data is reached. First, insert a bar or line chart using a data set similar to the one displayed on the screen
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Identify the chart's data range and chart's name by selecting the chart and viewing the name box, usually like chart 1, chart 2, etc
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Now open the VBA editor by pressing Alt plus F11 then select a module or insert a new one
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Let's enter the VBA code. First, declare two variables. The runtime variable stores the time at which the next scheduled event should occur
0:37
And the counter variable counts the number of times an event has occurred
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We use the value of counter variable to expand the range of chart
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The startDynamicUpdate subroutine initializes the counter variable and then calls the changeChartDataRange
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subroutine, initiating the process of updating the chart data range. The changeChartDataRange subroutine increments the counter variable by 1 and checks if it
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exceeds 21. If it does it exits, stopping further updates. If the counter is within the allowed range, the subroutine sets runtime to 1 second from
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the current time and schedules the changeChartDataRange subroutine to be called at that specified
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runtime, creating a loop of scheduled updates with a 1 second interval
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Next, retrieve references to the worksheet and the chart object within the changeChartDataRange subroutine
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Next, set the new data range for the chart, with the range's row count based on the counter
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Finally, update the chart's source data to the new data range, causing the chart to reflect
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the updated data. The overall behavior of the code is to dynamically update the chart1 and sheet1 of the workbook
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adjusting its data source every second for a maximum of 21 updates
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To test our code, select the startDynamicUpdate subroutine and click the Run icon or press F5
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You also can create a button to link it to the code. When you press the button, it will run the VBA code
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Click the Developer tab, select Insert, choose Button under Form Controls, and click where
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you want the button on the worksheet. The Assign Macro dialog appears
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Select the startDynamicUpdate macro to link and click OK. Thanks for watching
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