Tcl/Tk Example

proc PlotCombo {fileName amount} {

         set output ""
         set counter 0

         hwi GetSessionHandle ::PlotCombo::sess;
         ::PlotCombo::sess GetProjectHandle ::PlotCombo::proj;
         ::PlotCombo::sess GetDataFileHandle ::PlotCombo::data $fileName;
         if {[string is double -strict $amount] == 0} {
                 puts "The inputted amount is not a valid number. Please input a valid number."
                         ::PlotCombo::sess ReleaseHandle
                         ::PlotCombo::proj ReleaseHandle
                         ::PlotCombo::data ReleaseHandle
         } else {
                 if {[::PlotCombo::data IsValid] == false} {
                         if {[::PlotCombo::data IsFilePresent] == false} {
                                 puts "This file is not a real file. Please insert a real file."
                                 ::PlotCombo::sess ReleaseHandle
                                 ::PlotCombo::proj ReleaseHandle
                                 ::PlotCombo::data ReleaseHandle
                         } else {
                                 puts "This file is the wrong file type for this function."
                                 ::PlotCombo::sess ReleaseHandle
                                 ::PlotCombo::proj ReleaseHandle
                                 ::PlotCombo::data ReleaseHandle
                         }
                 } else {

                         foreach value [::PlotCombo::data GetDataTypeList false] {
                                   foreach request [::PlotCombo::data GetRequestList $value false] {
                                         foreach component [::PlotCombo::data GetComponentList $value false] {

                                         set pn [::PlotCombo::proj AddPage]
                                         ::PlotCombo::proj GetPageHandle ::PlotCombo::p1 $pn
                                         ::PlotCombo::p1 GetWindowHandle ::PlotCombo::w1 1
                                         ::PlotCombo::w1 SetClientType Plot
                                         ::PlotCombo::w1 GetClientHandle ::PlotCombo::plot
                                         set cn [::PlotCombo::plot AddCurve]
                                         ::PlotCombo::plot GetCurveHandle ::PlotCombo::c1 $cn
                                         ::PlotCombo::c1 GetVectorHandle ::PlotCombo::xv x
                                         ::PlotCombo::xv SetType File
                                         ::PlotCombo::xv SetFilename $fileName
                                         ::PlotCombo::c1 GetVectorHandle ::PlotCombo::yv y
                                         ::PlotCombo::yv SetType File
                                         ::PlotCombo::yv SetFilename $fileName
                                         ::PlotCombo::yv SetDataType $value
                                         ::PlotCombo::yv SetRequest $request
                                         ::PlotCombo::yv SetComponent $component
                                         ::PlotCombo::plot Recalculate
                                         ::PlotCombo::plot Autoscale
                                         ::PlotCombo::plot Draw

                                         ::PlotCombo::c1 AddCursor
                                         ::PlotCombo::c1 GetCursorHandle ::PlotCombo::cur 1
                                         ::PlotCombo::cur FindGlobalMax y
                                         set maxY [::PlotCombo::cur GetY]
                                         ::PlotCombo::cur FindGlobalMin y
                                         set minY [::PlotCombo::cur GetY]
                                         set diff [expr abs($maxY-$minY)]
                                         set counter [expr $counter+1]
                                         if {$diff > $amount} {
                                                 append output "page $counter: $diff \n"
                                         }

                                         ::PlotCombo::p1 ReleaseHandle
                                         ::PlotCombo::w1 ReleaseHandle
                                         ::PlotCombo::plot ReleaseHandle
                                         ::PlotCombo::c1 ReleaseHandle
                                         ::PlotCombo::xv ReleaseHandle
                                         ::PlotCombo::yv ReleaseHandle
                                         ::PlotCombo::cur ReleaseHandle
                                 }
                           }

                         }

                 ::PlotCombo::proj CutPage 1 false
                 ::PlotCombo::proj GetPageHandle ::PlotCombo::page [::PlotCombo::proj AddPage]
                 ::PlotCombo::page GetWindowHandle ::PlotCombo::win 1
                 ::PlotCombo::win SetClientType TextEditor
                 ::PlotCombo::win GetClientHandle ::PlotCombo::txt
                         if {$output==""} {
                                 ::PlotCombo::txt SetRawText "Pages that have plots with a difference between their min and max points greater than $amount:\n
There are no plots with a difference greater than $amount."
                         } else {
                                 ::PlotCombo::txt SetRawText "Pages that have plots with a difference between their min and max points greater than $amount:\n
$output"
                         }
                 set numb [::PlotCombo::proj GetNumberOfPages]
                 ::PlotCombo::proj SetActivePage $numb

                 ::PlotCombo::sess ReleaseHandle
                 ::PlotCombo::proj ReleaseHandle
                 ::PlotCombo::data ReleaseHandle
                 ::PlotCombo::page ReleaseHandle
                 ::PlotCombo::txt ReleaseHandle
                 ::PlotCombo::win ReleaseHandle
                 }
         }
 }