Some salient features:

• RptGrowth is currently accessible from the CheckInPatient form and the SubGrowth subform of the patient chart.
• Data on the actual layout of the growth tables is contained in a local Access table called AxisData. This table includes the upper and lower limits for this parameter, and the distance between each tick on the graph for this parameter.
• The module employs a variety of module-specific global variables, which are listed and described in the opening lines of the RptGrowthmodule.
• There are some global public variables stored in the ChartFunctions module, so that their values can be exchanged between various forms and reports.
• ChartFunctions also contains a few procedures such as CalcDateDiff, CalcAge$, and ConvertPoint, which are used in this module.
• Finally, the global variables that feed the patient's name, sex, and date of birth to RptGrowth are stored in the appropriate global variables before RptGrowth is opened.

List of procedure calls:

• Report_Open
  • Opens InitializeVariables to set the global variables required for plotting and to stuff patient information into the report's header.
• Detail1_Format which calls PrepareGraph
  • Creates four GraphBox regions which delineate the margins and size of the four fields where growth charts will be printed and plotted.
  • Calls PrepareGrowthTable, which reads in some initial data about the measurements and starts preparation of the printed table in the bottom right corner.
  • Calls GraphParameter, feeding it the Length measurements, to be plotted in the top left box, with table information plotted in the bottom right.
    • Calls ReadAxisData to load age-specific data into the XAxis variable.
    • Calls ReadAxisData to load length-specific data into the YAxis variable.
    • Builds a PatientSet recordset which contains the patient's length measurements, and a PctSet recordset which will contain the data used to plot the background percentile curves.
    • Makes sure there is data to plot and calls PrintEmptyMessage to print a message in the appropriate box and skip the rest of the procedure.
    • Sets the report's foreground color to the sex-appropriate color.
    • Calls PlotBackground to plot the percentile background.
      • Draws lines of background grid, using XAxis and YAxis information.
      • Runs a FOR-NEXT loop which uses the PlotCurve function to plot each of the seven percentile curves.
        • It uses XIn and YIn to mark the actual observed values for a point, and XOut and YOut to mark their absolute position in twips in a box.
        • First, it locates the first XIn point that falls within the bounds of the graph, with a call to the ReadValue procedure.
          • ReadValue is fed flags indicating if we're looking at a percentile curve or a patient curve, and reads in the appropriate column heading of the recordset.
        • Then, it reads in the YIn value that corresponds to the first XIn input.
        • Calls ConvertPoint to translate each of these inputs into physical locations on the report space.
        • If Cflag is "pedi", i.e. we're plotting patient-specific info, it puts a circle at that point.
        • Then, a great DO-LOOP segment, which reads in each subsequent (XIn, YIn) point, converts it to an output point, draws a line to this output point from the previous point, and adds a circle if we're plotting patient-specific information. The ReadValue and ConvertPoint procedures are called in this loop.
        • Finally, the procedure returns the last YOut, or vertical position of the last point, as its value.
      • Also calls the SetLabel procedure which puts the appropriate label at the end of each percentile curve. The vertical position is determined by the value returned from the above PlotCurve function.
      • Prints appropriate title for the graph.
    • Sets the report's foreground color to black, for plotting patient-specific data.
    • Calls PlotCurve to plot the PatientSet collection of measurement points.
    • Calls PrintParameters, which places the measurements in tabular format in the designated TableBox area (bottom right).
  • Calls GraphParameter again to plot Weight and Head Circumference.

Last updated on June 11, 1998 by James C.S. Liu