在一个graph控件中显示三个不同坐标尺度的曲线，曲线和尺度怎么对应起来？

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我在任务中       hData0=GRAPH_DATA_YT_Create(GUI_LIGHTBLUE,390,dBData,390);//GUI_DARKGREEN
        GRAPH_AttachData(WM_GetDialogItem(menu1Win,GUI_ID_GRAPH0),hData0);
       
        hData1=GRAPH_DATA_YT_Create(GUI_YELLOW,390,DegData,390);//GUI_DARKGREEN
        GRAPH_AttachData(WM_GetDialogItem(menu1Win,GUI_ID_GRAPH0),hData1);
       
        hData2=GRAPH_DATA_YT_Create(GUI_GREEN,390,AmpData,390);//GUI_DARKGREEN
        GRAPH_AttachData(WM_GetDialogItem(menu1Win,GUI_ID_GRAPH0),hData2);

生成三组数据
在graph中
        GRAPHWin=WM_GetDialogItem(hWin,GUI_ID_GRAPH0);
        GRAPH_SetGridVis(WM_GetDialogItem(hWin,GUI_ID_GRAPH0),1);//ÏÔê¾íø¸ñ
        GRAPH_SetGridDistX(WM_GetDialogItem(hWin,GUI_ID_GRAPH0),50);//oáÖáíø¸ñ¼ä¾à
        GRAPH_SetGridDistY(WM_GetDialogItem(hWin,GUI_ID_GRAPH0),50);//×YÖáíø¸ñ¼ä¾à
        GRAPH_SetBorder(WM_GetDialogItem(hWin,GUI_ID_GRAPH0),95,15,30,30);//¿Ø¼téÏÏÂ×óóò±ß¾à
        GRAPH_SetColor(WM_GetDialogItem(hWin,GUI_ID_GRAPH0),GUI_DARKGRAY,GRAPH_CI_BORDER);
        GRAPH_SetLineStyle(WM_GetDialogItem(hWin,GUI_ID_GRAPH0),GUI_LS_DOT);
       
        hScale3=GRAPH_SCALE_Create(25,GUI_TA_RIGHT,GRAPH_SCALE_CF_VERTICAL,50);
        GRAPH_AttachScale(WM_GetDialogItem(hWin,GUI_ID_GRAPH0),hScale3);
        GRAPH_SCALE_SetFactor(hScale3,4);
        GRAPH_SCALE_SetTextColor(hScale3,GUI_GREEN);
       
        hScale=GRAPH_SCALE_Create(55,GUI_TA_RIGHT,GRAPH_SCALE_CF_VERTICAL,50);
        GRAPH_AttachScale(WM_GetDialogItem(hWin,GUI_ID_GRAPH0),hScale);
        GRAPH_SCALE_SetFactor(hScale,0.2);
        GRAPH_SCALE_SetOff(hScale,250);
        GRAPH_SCALE_SetTextColor(hScale,GUI_LIGHTBLUE);
       
        hScale1=GRAPH_SCALE_Create(85,GUI_TA_RIGHT,GRAPH_SCALE_CF_VERTICAL,50);
        GRAPH_AttachScale(WM_GetDialogItem(hWin,GUI_ID_GRAPH0),hScale1);
        GRAPH_SCALE_SetFactor(hScale1,1);
        GRAPH_SCALE_SetOff(hScale1,150);
        GRAPH_SCALE_SetTextColor(hScale1,GUI_YELLOW);
       
        hScale2=GRAPH_SCALE_Create(330,GUI_TA_RIGHT,GRAPH_SCALE_CF_HORIZONTAL,50);
        GRAPH_AttachScale(WM_GetDialogItem(hWin,GUI_ID_GRAPH0),hScale2);
        GRAPH_SCALE_SetFactor(hScale2,0.02*DispScale);
        GRAPH_SCALE_SetTextColor(hScale2,GUI_GREEN);生成三个垂直坐标尺，和一个水平坐标尺

我想hData0，hData1，hData2分别用hScale3，hScale，hScale1的坐标尺度，可是显示的三条曲线都采用的液晶屏本身的坐标，没有和graph中的任何一个垂直坐标尺度相对应，这个应该怎么设置呢?

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刚才想到，难道说GUI中是要用刻度去迁就曲线而不是曲线迁就刻度吗？定了曲线再定刻度是吗？