Aptech » Answers for "How can I control the axis scale on my graphs in GAUSS 12?" http://www.aptech.com Fri, 08 Feb 2013 19:12:28 +0000 en-US hourly 1 http://wordpress.org/?v=3.4.1 By: jjones http://www.aptech.com/questions/how-can-i-control-the-axis-scale-on-my-graphs-in-gauss-12/#answer-1219 http://www.aptech.com/questions/how-can-i-control-the-axis-scale-on-my-graphs-in-gauss-12/#answer-1219#comments Thu, 30 Aug 2012 10:22:51 +0000 jjones http://www.aptech.com/questions/how-can-i-control-the-axis-scale-on-my-graphs-in-gauss-12/#answer-1219 Continue reading →]]> At the bottom of this post is GAUSS procedure that will control the extent of the x and y axes on your plots with the graphics for version 12 and beyond. You can either pass in two 2×1 vectors with the minimum and maximum value for the respective axes or you can pass in a vector of any length and it will scale the plot to include the smallest and largest elements of that vector. It should be called immediately after the graph is drawn. Here is a simple usage example:

x = seqa(1, 1, 10);
y = cos(x);
xrange = { -3, 12 };
yRange = { -2, 2 };
plotXY(x, y);
scalePlot(xRange, yRange);

 

proc(0) = scaleplot1(x,y);
 struct plotControl MyPlot;
 MyPlot = plotGetDefaults("xy");

 //Turn off legend for this line
 plotSetLegend(&MyPlot,"off");

 //SetLineStyle to 0 so the line does not appear
 plotSetLineStyle(&MyPlot,0);

 //Draw an invisible line from smallest x and smallest y to
 // the largest x and largest y.
 plotAddXY(MyPlot,minc(x)|maxc(x),minc(y)|maxc(y));

 //Reset SetLineStyle to show line
 plotSetLineStyle(&MyPlot,1);
endp;
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