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How do I edit my graph axis in Grapher via automation?

This article contains Grapher sample script that shows how to open a graph and alter an existing regular axis.

 

To run this script:

  1. Click here to download the BAS file: axis properties.BAS.
  2. Click Automation | Scripts | Run, select the BAS file from your downloads directory, and click Open.

OR:

  1. Copy the script below.
  2. Open Grapher and turn on the Script Manager by clicking View | Display | Script Manager.
  3. Press Ctrl+A to select all of the existing lines in the Script Manager and then press DELETE.
  4. Press Ctrl+V to paste it into the Script Manager.
  5. Click the Start/Resume icon () in the Script Manager.
     

*********

Sub Main
'This script shows many of the methods and properties of an axis

'Declare objects
Dim GrapherApp, Plot, Graph, XAxis1, YAxis1, YAxis2, DupYAxis As Object

'Start Grapher
Set GrapherApp = CreateObject("Grapher.Application")

'Make the Grapher window visible
GrapherApp.Visible = True

'Create a new document window
Set Plot = GrapherApp.Documents.Add(grfPlotDoc)

'Create function plot graph named Graph1
Set Graph = Plot1.Shapes.AddFunctionPlotGraph(False,"cos(X)",,0,12)
Set LineScatterPlot1 = Graph.Plots.Item(1)

'Add an additional plot to the graph
Graph.AddLinePlot(GrapherApp.Path + "\samples\tutorial.dat",,3)
Set LineScatterPlot2 = Graph.Plots.Item(2)

'Change the properties of the second plot
LineScatterPlot2.line.foreColor = grfColorBlue

'Add an axis to the graph
Graph.AddAxis(grfYAxis)

'Move the new axis
Graph.Axes.Item(3).PositionAxis(grfPositionRightTop, "X Axis 1")

'Set variable names for the axes
Set XAxis1 = Graph.Axes.Item(1)
Set YAxis1 = Graph.Axes.Item(2)
Set YAxis2 = Graph.Axes.Item(3)

'Change the Length to 8 inches
XAxis1.length = 8

'Move the X Axis to the top of the Y Axis
XAxis1.PositionAxis(grfPositionRightTop, "Y Axis 1")

'Set the Minimum and Maximum X axis values
XAxis1.AutoMin = False
XAxis1.Min = 1
XAxis1.AutoMax = False
XAxis1.Max = 10

'Clip both plots to the x axis maximum
LineScatterPlot2.Clipping.XMaxMode = grfClipAxis
LineScatterPlot2.Clipping.DrawToLimits = True
LineScatterPlot1.Clipping.XMaxMode = grfClipAxis
LineScatterPlot1.Clipping.DrawToLimits = True

'Make the axis descending
XAxis1.Descending = True

'Set the scale
XAxis1.scale = grfAxisLog
XAxis1.AScale = grfAxisLinear

'Add an X Axis title
XAxis1.title.text = "X Axis 1"
XAxis1.title.Side = grfAxisTitleRightTop
XAxis1.title.yOffset = 0.2

'Move the Y Axis 2 to the right and up
YAxis2.xPos = 9
YAxis2.yPos = 4

'Set the grid lines for the X Axis 1
XAxis1.Grid.AtMajorTicks = True
XAxis1.Grid.MajorLine.style = ".1 in. Dash"
XAxis1.Grid.MajorLine.width = 0.03

'Show the tick marks on the right side
XAxis1.Tickmarks.MajorSide = grfTicksTopRight

'Set the TickMarks Spacing to 1
XAxis1.Tickmarks.MajorSpacingAuto = False
XAxis1.Tickmarks.MajorSpacing = 1

'Set the TickMarks MajorLength to 0.1 inches
XAxis1.Tickmarks.MajorLength = 0.1

'Set the TickMarks MajorLine color to blue
XAxis1.Tickmarks.MajorLineAuto = False
XAxis1.Tickmarks.MajorLine.foreColor = grfColorBlue

'Set the minor tick marks to the top and 5 divisions
XAxis1.Tickmarks.MinorSide = grfTicksTopRight
XAxis1.Tickmarks.MinorDivision = 5

'Set the TickLabels to show on the top side
XAxis1.TickLabels.MajorSide = grfTicksTopRight

'Set the TickLabels Frequency to 2 (every other)
XAxis1.TickLabels.MajorFreq = 2

'Set the TickLabels LabelDivisor to 10
XAxis1.TickLabels.LabelDivisor = 10

'Add an axis break with fixed scale
XAxis1.AxisBreak.on = True
XAxis1.AxisBreak.FixedScale = True

'Return the type of axis to the Debug window
Debug.Print "Type of axis " + XAxis1.axisType

'Delete the extra axis
YAxis2.Delete

 'Duplicate the Y axis 1 
Set DupYAxis = YAxis1.DuplicateAxis(True,False, False, "Duplicate Y Axis")

 'Set the axis linking properties 
DupYAxis.Link.ToAxis = "Y Axis 1"
DupYAxis.Link.scale = True
DupYAxis.Link.spacing = True
DupYAxis.Link.Limits = True
DupYAxis.Link.LimitsEquation = "X*2"
DupYAxis.Link.length = True
DupYAxis.Link.LengthScale = 0.5
DupYAxis.Link.xPos = True
DupYAxis.Link.XPosOffset = 8
DupYAxis.Link.yPos = True
DupYAxis.Link.YPosOffset = 0.0

 'Set the axis line properties 
XAxis1.line.width = 0.03

 'Move the axis labels 
XAxis1.MoveLabel(2,0.5,0.5)

 'Move Graph 
Graph.Select
Plot.Selection.Move(-4.55898,-3.8141)
Plot.Selection.DeselectAll

 'Reset position of manually-moved tick labels 
Set XAxis1 = Graph.Axes.Item(1)
XAxis1.TickLabels.ResetPositions

 'Set graph title Offset 
Graph.title.xOffset = 0.05
Graph.title.yOffset = 0.15

End Sub

 

Updated December 18. 2017

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