Panel Control to Draw or Edit Marker Waves

This uses a panel to create, edit, and clear a drawing wave. The waves are created in the current data folder and have the names drawwaveY and drawwaveX.

// a static constant to set the panel name
StrConstant k_panelname = "WaveDrawEdit"

// change this to set your desired marker style to create and edit the marker wave
Function set_DrawMarkerStyle(frontimgwin)
    string frontimgwin

    // set your desired marker style here
    ModifyGraph/W=$frontimgwin mode=3,marker=8,msize=5,mrkThick=2

    return 0
end

// call this to create the panel
Function show_DrawControlPanel() : Panel

    NewPanel/W=(50,50,250,100)/N=$k_panelname as "Wave Draw/Edit"
    ModifyPanel/W=$k_panelname fixedSize=1,noEdit=1
    Button bDrawControl,pos={15,10},size={50,20}, fSize=14, userdata(draw)="start",proc=ButtonProc,title="Start"
    Button bEdit,pos={70,10},size={50,20},fSize=14,proc=ButtonProc,title="Edit",disable=2
    Button bClear,pos={130,10},size={50,20},fSize=14,proc=ButtonProc,title="Clear",disable=2
   
    return 0
end

// do or end the drawing or editing
Function do_Draw()

    string udata, frontimgwin
   
    udata = GetUserData(k_panelname,"bDrawControl","draw")
    frontimgwin = WinName(0,1,1)
   
    strswitch(udata)
        case "start":
            Button bDrawControl, win=$k_panelname, userdata(draw)="end", title="End..."        
            Button bEdit, win=$k_panelname, disable=2
            Button bClear, win=$k_panelname, disable=2
            // the drawing waves are created in the current data folder
            make/N=0/O drawwaveX, drawwaveY        
            SetDrawLayer/W=$frontimgwin ProgFront
            GraphWaveDraw/W=$frontimgwin/L/T/O drawwaveY, drawwaveX
            set_DrawMarkerStyle(frontimgwin)
            break
        case "end":
            GraphWaveEdit/W=$frontimgwin/T=1 drawwaveY
            GraphNormal/W=$frontimgwin
            SetDrawLayer/W=$frontimgwin UserFront
            Button bDrawControl, win=$k_panelname, userdata(draw)="start", title="Start"
            Button bEdit, win=$k_panelname, disable=0
            Button bClear, win=$k_panelname, disable=0
            break
    endswitch

    return 0
end

// edit the drawing
Function do_Edit()

    string frontimgwin = WinName(0,1,1)
   
    Button bDrawControl, win=$k_panelname, userdata(draw)="end", title="End..."        
    Button bEdit, win=$k_panelname, disable=2
    Button bClear, win=$k_panelname, disable=2

    SetDrawLayer/W=$frontimgwin ProgFront
    GraphWaveEdit/T=1/W=$frontimgwin drawwaveY

    return 0
end

// clear the drawing
Function do_Clear()

    string frontimgwin = WinName(0,1,1)
   
    GraphNormal/W=$frontimgwin
    SetDrawLayer/W=$frontimgwin UserFront
    RemoveFromGraph/W=$frontimgwin/Z drawwaveY
    Button bEdit, win=$k_panelname, disable=2
    Button bClear, win=$k_panelname, disable=2
   
    return 0
end

// button control
Function ButtonProc(ba) : ButtonControl
    STRUCT WMButtonAction &ba
   
    switch( ba.eventCode )
        case 2: // mouse up
            strswitch(ba.ctrlName)
                case "bDrawControl":
                    do_draw()
                    break
                case "bEdit":
                    do_edit()
                    break
                case "bClear":
                    do_clear()
                    break
            endswitch
            break
        case -1: // control being killed
            break
    endswitch

    return 0
end

 

 draw wave edit panel

With one clever change, the system now keeps the markers for the drawing also when clicking the End... button. It first toggles to GraphWaveEdit/T=1, then toggles to GraphNormal.

April 24, 2020 at 08:43 am - Permalink

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