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Aligning 2 Sets of Axes at {0,0}; Rotated & Standard Position
*To*: mathgroup at smc.vnet.net
*Subject*: [mg123107] Aligning 2 Sets of Axes at {0,0}; Rotated & Standard Position
*From*: Bill <WDWNORWALK at aol.com>
*Date*: Wed, 23 Nov 2011 07:08:27 -0500 (EST)
*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com
Subj: Aligning Two Sets of Axes at {0,0}; Rotated and Standard Position in one plot.
Hi:
I have the following Mathematica 8.0.4 code that gives me a satisfactory plot:
a=17;b=-48;c=31;
(ArcTan[b/(a-c)])/2;
N[(%)*(180/Pi)];
Print["Majoraxis: Angle in Decimal Degrees= ",%]
axes=Graphics[Point[{0,0}],PlotRange->{{-12,12},{-12,12}},Axes->True,AxesStyle->{Directive[{Red,Thin}],Directive[{Black,Thin}]},AxesLabel->{"'x","'y"},AspectRatio->1,ImageSize->500];
ContourPlot[17*x^2-48*x*y+31*y^2+49==0,{x,-12,12},{y,-12,12},AspectRatio->1,Axes->True,AxesStyle->{Directive[{Red,Thin}],Directive[{Black,Thin}]},AxesLabel->{"X","Y"},Background->LightGray,ImageSize->500,Prolog->Inset[Rotate[Graphics[axes],36.8699Degree],{.1,.7}]]
However, my objective here is to combine the two plots with the two sets of axes centered automatically.
As my code is now, I have to use a trial-and-error visual inspection method, and manually input the location of the rotated axes to match the main plot axes' center at standard position.
Ref: See {.1,.7} in ...Inset[Rotate[Graphics[axes],36.8699Degree],{.1,.7}]]
(In another example using another equation that I ploted, the alignment values were different yet. So for some reason, these numbers don't seem to be constants from one plot to another.)
I have tried AxesOrigin->{0,0} in the plots, but this doesn't seem to matter. Any help will be appreciated.
Tia,
Bill
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