/usr/share/dx/samples/scripts/Plot is in dxsamples 4.2.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | // Construct a line with positions (x values) and data (y values)
line1 = Construct({[0.0][1.0][2.0][3.0]}, data = {0, 1, 4, 9});
// Color the line yellow
line1 = Color(line1, "yellow");
// Give the line a label attribute for the legend
line1 = Options(line1,"label", "x squared");
// Construct a line with positions (x values) and data (y values)
line2 = Construct({[0.0][1.0][2.0][3.0]}, data = {0, 1, 8, 27});
// Color the line red
line2 = Color(line2,"red");
// Give the line a label attribute for the legend
line2 = Options(line2,"label", "x cubed");
// Collect the lines together and scale them in the y dimension
lines = Collect(line1, line2);
lines = Scale(lines,[1.0 0.1 1.0]);
// Create the plot
plot = Plot(lines, adjust = 1, ticks = 15);
// Create a camera and display the plot
camera = AutoCamera(plot);
Display(plot,camera);
// Construct a line with positions
line = Construct({[0.0][1.0][2.0][3.0][4.0][5.0][6.0][7.0][8.0][9.0]});
// Refine the line by a factor of 8 (2 to the third power)
line = Refine(line,3);
// copy the positions into the data component
line = Replace(line,line,"positions","data");
// let the data component be x * sin(x)
line = Compute("$0 * sin($0)", line);
// color the line
line = AutoColor(line);
// plot the result and display
plot = Plot(line);
caption = Caption("x times sin(x)");
collected = Collect(caption,plot);
camera = AutoCamera(plot);
Display(collected,camera);
// post the data so that the data values and colors
// are dependent on connections rather than positions.
line = Post(line,"connections");
// plot the result and display
plot = Plot(line);
caption = Caption("x times sin(x), with data dependent on connections");
collected = Collect(caption,plot);
camera = AutoCamera(plot);
Display(collected,camera);
// create a histogram of a data set. "function" is the first of
// two data fields in the file. Plot the histogram.
data = Import("hyper");
data = Select(data,0);
hist = Histogram (data);
// There are many samples per bin. Use Scale to change the aspect ratio
// of the plot.
hist = Scale(hist,[100, 1, 1]);
plot = Plot(hist, ticks = {5 10});
caption = Caption("histogram of hyper data field");
collected = Collect(plot, caption);
camera = AutoCamera(plot);
Display(collected,camera);
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