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POHow to create an automated dynamic line graph in Excel VBA
 

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  1. POHow to create an automated dynamic line graph in Excel VBA
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    <p>I have a work problem. I have a data report with tons of information in it and I need to create 3 line graphs to represent 3 different values over time. The time is also in the report and is the same time for all of the values. I am having trouble finding a solution specific to me in forums elsewhere. </p> <p>The data report varies in length, rows. What I need to do is to create the 3 line graphs and have them positioned horizontally, a few rows under the end of the report. Two of the graphs have one series each and the third has two series. </p> <p>This is what the graphs need to include:</p> <p>Graph 1: RPM over Time<br> Graph 2: Pressure over Time<br> Graph 3: Step burn off and Demand burn off over Time</p> <p>I am just getting into VBA because of a recent position change at work and I know very little about it but I have spent a lot of time figuring out how to write other macros for the same report. Since my verbal representation of the workbook is unclear I have attached a link to a sample of the data report for viewing.</p> <p><a href="https://dl.dropboxusercontent.com/u/28487159/Work%20Example.xls" rel="nofollow noreferrer">Data Report Workbook Download</a> <img src="https://i.stack.imgur.com/agCtN.gif" alt="Extract from Download + Added Charts"></p> <p>Here is what I have so far. It works for the first chart. Now what can I put in the code to name the chart "RPM" and to name the series "RPM"?</p> <pre><code> Sub Test() Dim LastRow As Long Dim Rng1 As Range Dim ShName As String With ActiveSheet LastRow = .Range("B" &amp; .Rows.Count).End(xlUp).Row Set Rng1 = .Range("B2:B" &amp; LastRow &amp; ", E2:E" &amp; LastRow) ShName = .Name End With Charts.Add With ActiveChart .ChartType = xlLine .SetSourceData Source:=Rng1 .Location Where:=xlLocationAsObject, Name:=ShName End With End Sub </code></pre> <p>I have figured out how to put the chart name in via VBA. The code now looks like this:</p> <pre><code>Sub Test() Dim LastRow As Long Dim Rng1 As Range Dim ShName As String With ActiveSheet LastRow = .Range("B" &amp; .Rows.Count).End(xlUp).Row Set Rng1 = .Range("B2:B" &amp; LastRow &amp; ", E2:E" &amp; LastRow) ShName = .Name End With Charts.Add With ActiveChart .ChartType = xlLine .HasTitle = True .ChartTitle.Text = "RPM" .SetSourceData Source:=Rng1 .Location Where:=xlLocationAsObject, Name:=ShName End With End Sub </code></pre> <p>I will next be working on the series title and then on to having the chart place itself under the report data. Suggestions and comments welcome.</p> <p>The updated code below creates the rpm chart and the pressure chart separately. The last chart needs two series and I am working on that now. </p> <pre><code>Sub chts() 'RPM chart------------------------------------- Dim LastRow As Long Dim Rng1 As Range Dim ShName As String With ActiveSheet LastRow = .Range("B" &amp; .Rows.Count).End(xlUp).Row Set Rng1 = .Range("B2:B" &amp; LastRow &amp; ", E2:E" &amp; LastRow) ShName = .Name End With Charts.Add With ActiveChart .ChartType = xlLine .HasTitle = True .ChartTitle.Text = "RPM" .SetSourceData Source:=Rng1 .Location Where:=xlLocationAsObject, Name:=ShName End With With ActiveChart.SeriesCollection(1) .Name = "RPM" End With ' Pressure chart -------------------------------- Dim LastRow2 As Long Dim Rng2 As Range Dim ShName2 As String With ActiveSheet LastRow2 = .Range("B" &amp; .Rows.Count).End(xlUp).Row Set Rng2 = .Range("B2:B" &amp; LastRow2 &amp; ", G2:G" &amp; LastRow2) ShName2 = .Name End With Charts.Add With ActiveChart .ChartType = xlLine .HasTitle = True .ChartTitle.Text = "Pressure/psi" .SetSourceData Source:=Rng2 .Location Where:=xlLocationAsObject, Name:=ShName2 End With With ActiveChart.SeriesCollection(1) .Name = "Pressure" End With End Sub </code></pre> <p>David, I am curious to see how your code works with my worksheet but I'm not sure how to fix the syntax error.</p>
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    1. CONot yet, I tried to piece together bits and pieces from segments I found on other sites and forums but I continuously get errors and start over.
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    2. COI meant to mention (1) the image above is only part of your spreadsheet and (2) the charts have been added by me and so may NOT be what you require. Please roll back if not appropriate.
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    3. COThat is what the end result should look like. If I can get the process automated that will be exactly what I need. With the exception of the last graph looking mangled. I'm sure I can straighten that out later on.
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