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The code to add Y axis :
Modify the first line of Market Profile
SetChartOptions( 0);//3 , chartShowDates );
and add the following at the end.
gridINCR = box;
GridMAX = DH + gridINCR ;
GridMIN = DL - gridINCR ;
steps = ( GridMAX - GridMIN ) / gridINCR ;
SetChartOptions( 1, 0, 0, GridMIN, GridMAX );
for ( i = 0;i < steps;i++ )
//Plot(GridMIN+i*gridINCR, "",ParamColor("color", colorBlack ),
styleNoTitle | ParamStyle("style", styleLine | styleNoLabel,
maskHistogram ) );//solid
PlotGrid( GridMIN + i*gridINCR, colorBlack );// dash
Caveat : The new Y scale and the MP scale are not quite the same.
A tiny difference, between one or two ticks, but I cannot find why.
I have to fully understand the gfx mode, I suppose.
I am very close to the solution, if a few passers-by could bring some
light, I will appreciate.
Best regards
--- In amibroker@xxxxxxxxxxxxxxx, "reinsley" <reinsley@xxx> wrote:
>
> Hello,
>
> I overlaid a price above an indicator that comes from a formula.
> The formula does not show the Y axis.
>
> I 'd like to add Y axis, to use the cross cursor.
>
>
> In archives I saw a TJ answer :
>
> Turn ON Grid : Show middle lines
>
>
>
> BUt this param comes back to OFF.
>
> Does it exist a way to display Y axis by formula ?
> Or as an alternate to overlaid the price then to maks the candle ?
>
> I tried may options but things are getting worse.
>
>
> Thank you for the help.
>
> Best regards
>
>
>
> Here is the formula : Market profile
>
> // Market profile
>
>
> SetChartOptions(3, chartShowDates);
> GfxSetOverlayMode( mode = 1 );
>
> nn = StrToNum(ParamList("Days", "1|2|3", 2));
> box = Param("step", 10, 1, 100, 1)*TickSize;
>
> NewDay = Day()!= Ref(Day(), -1);
> DH = LastValue(HighestSince(NewDay, H, nn));
> DL = LastValue(LowestSince(NewDay, L, nn));
> _TRACE("DH = "+DH);
> _TRACE("DL = "+DL);
> Range = DH - DL;
> steps = ceil(Range/box); // linage
> height = Status("pxheight") - 50; // width of the profile
> (indention overhand 30 from below 20 pixels)
> boxheight = LastValue(height/steps); // size of the box
>
> width = (Status("pxwidth")-110)/3; // offset of the profiles
>
> bars = Highest(BarsSince(NewDay));
> ColorStep = LastValue(185/bars);
>
> //
> L = IIf(C > Ref(C, -1) AND L > Ref(C, - 1) AND NOT NewDay, Ref(C,
-1), L);
> H = IIf(C < Ref(C, -1) AND H < Ref(C, - 1) AND NOT NewDay, Ref(C,
-1), H);
>
> function GetDayPrice( fild, shift)
> {
> DayPrice = LastValue(TimeFrameGetPrice(fild, inDaily, -shift));
> return DayPrice;
> }
>
> function pixlev(price)
> {
> result = 30 + (DH - price)/box * boxheight;
> return result;
> }
>
> procedure PlotProfile(DH, DL, begini, endi, disp)
> {
> m = 0;
> for(j = DH; j > DL; j = j-box)
> {
> n = 0;
> for(i = begini; i < endi; i++)
> {
> if(H[i] >= j AND L[i] <= j)
> {
> GfxSelectPen( colorBlack, 1, 0);
> GfxSelectSolidBrush(ColorHSB((i-begini)*ColorStep, 255, 255));
> GfxRectangle( disp+n*boxheight, 30+m*boxheight,
> disp+(n+1)*boxheight, 30+(m+1)*boxheight);
> n++;
> }
> }
> m++;
> }
> }
>
> procedure PlotLine(x1, y1, x2, y2, Color)
> {
> GfxSelectPen(Color, 1, 0);
> GfxPolyline( x1, y1, x2, y2);
> }
>
> procedure PlotRect(x1, y1, x2, y2, Color)
> {
> GfxSelectPen(Color, 0, 5);
> GfxSelectSolidBrush(Color);
> GfxRectangle(x1, y1, x2, y2);
> }
>
> procedure PlotPrice(Text, FontName, FontSize, Color, x, y, yAlign,
xAlign)
> {
> GfxSetBkMode(1);
> GfxSetTextColor(Color);
> GfxSetTextAlign( xAlign|yAlign);
> GfxSelectFont(FontName, FontSize, 600); // dont work orientation
> GfxTextOut(Text, x, y);
> }
>
> for(q = nn; q > 0; q--)
> {
> begini = LastValue(ValueWhen(NewDay, BarIndex(), q));
> endi = LastValue(IIf(q == 1, BarCount, ValueWhen(NewDay, BarIndex(),
> q-1)));
> PlotRect(50 + width*(nn-q), pixlev(GetDayPrice("H", q-1)), //
> day range
> 50 + width*(nn-q+1), pixlev(GetDayPrice("L", q-1)), colorLightYellow);
> PlotRect(50 + width*(nn-q), pixlev(GetDayPrice("O", q-1)), //
> open-close range
> 50 + width*(nn-q+1), pixlev(GetDayPrice("C", q-1)),
> IIf(GetDayPrice("O", q-1) > GetDayPrice("C", q-1), ColorHSB(15, 40,
> 255),
> ColorHSB(80, 40, 255)));
> PlotLine(50 + width*(nn-q), pixlev(GetDayPrice("C", q-1)), //
> close line
> 50 + width*(nn-q+1), pixlev(GetDayPrice("C", q-1)),
> IIf( GetDayPrice("O", q-1) > GetDayPrice("C", q-1), colorRed,
> colorGreen));
> PlotProfile(DH, DL, begini, endi, 50 + width*(nn-q));
> PlotLine(50 + width*(nn-q), height+40, 50 + width*(nn-q), 0,
> colorBlack); // vertical line
> PlotPrice( " close " + NumToStr(GetDayPrice("C", q-1))+" ",
> "Tahoma", 10, // plot close price
> IIf( GetDayPrice("O", q-1) > GetDayPrice("C", q-1), colorRed,
> colorGreen),
> 50+width*(nn-q+1), pixlev(GetDayPrice("C", q-1)),
> IIf( GetDayPrice("O", q-1) > GetDayPrice("C", q-1), 0, 8), 2);
> PlotPrice( " open " + NumToStr(GetDayPrice("O", q-1))+" ",
> "Tahoma", 10, // plot open price
> colorBlack, 50+width*(nn-q+1), pixlev(GetDayPrice("O", q-1)),
> IIf( GetDayPrice("O", q-1) > GetDayPrice("C", q-1), 8, 0), 2);
> PlotPrice( " "+NumToStr(GetDayPrice("H", q-1)), "Tahoma", 10,
> // plot high price
> colorBlack, 50+width*(nn-q), pixlev(GetDayPrice("H", q-1)), 8, 0);
> PlotPrice(" "+NumToStr(GetDayPrice("L", q-1)), "Tahoma", 10, //
> plot low price
> colorBlack, 50+width*(nn-q), pixlev(GetDayPrice("L", q-1)), 0, 0);
> }
>
------------------------------------
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