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authorbnewbold <bnewbold@robocracy.org>2016-02-21 18:08:55 -0800
committerbnewbold <bnewbold@robocracy.org>2016-02-21 18:08:55 -0800
commitb24f282bca4af63982937c10835063d3e6e9eb74 (patch)
treefd8c58601beb3964ccecf4709f7b28944fc1c36b /examples
parent84572be10cdfc852530787a5dc78ddef3e0f23cd (diff)
downloadPyX.jl-b24f282bca4af63982937c10835063d3e6e9eb74.tar.gz
PyX.jl-b24f282bca4af63982937c10835063d3e6e9eb74.zip
add many, many more example conversions. still not complete
Diffstat (limited to 'examples')
-rw-r--r--examples/3dgraphs/bar.jl28
-rw-r--r--examples/3dgraphs/color.dat961
-rw-r--r--examples/3dgraphs/color.jl21
-rw-r--r--examples/3dgraphs/grid.dat961
-rw-r--r--examples/3dgraphs/grid.jl18
-rw-r--r--examples/bargraphs/changebar.jl17
-rw-r--r--examples/bargraphs/compare.jl22
-rw-r--r--examples/bargraphs/errors.jl35
-rw-r--r--examples/bargraphs/fromvalue.jl19
-rw-r--r--examples/bargraphs/minimal.dat12
-rw-r--r--examples/bargraphs/minimal.jl15
-rw-r--r--examples/bargraphs/month.jl27
-rw-r--r--examples/bargraphs/stacked.jl27
-rw-r--r--examples/drawing/arrow.jl23
-rw-r--r--examples/drawing/metapost.jl.broken51
-rw-r--r--examples/drawing/path.jl20
-rw-r--r--examples/drawing/pathitem.jl46
-rw-r--r--examples/drawing/strokefill.jl20
-rw-r--r--examples/drawing/style.jl29
-rw-r--r--examples/drawing2d/clipping.jl33
-rw-r--r--examples/drawing2d/ellipse.jl36
-rw-r--r--examples/drawing2d/insert.jl32
-rw-r--r--examples/drawing2d/parallel.jl23
-rw-r--r--examples/drawing2d/smoothed.jl23
-rw-r--r--examples/graphstyles/density.jl86
-rw-r--r--examples/graphstyles/errorbar.dat6
-rw-r--r--examples/graphstyles/errorbar.jl19
-rw-r--r--examples/graphstyles/histogram.jl29
-rw-r--r--examples/graphstyles/usesymbol.jl41
-rw-r--r--examples/splitgraphs/minimal.jl25
-rw-r--r--examples/splitgraphs/splitatvalue.jl23
31 files changed, 2728 insertions, 0 deletions
diff --git a/examples/3dgraphs/bar.jl b/examples/3dgraphs/bar.jl
new file mode 100644
index 0000000..a70f2b2
--- /dev/null
+++ b/examples/3dgraphs/bar.jl
@@ -0,0 +1,28 @@
+
+# Original Python:
+# from pyx import *
+#
+# g = graph.graphxyz(0, 0, size=5, x=graph.axis.bar(), y=graph.axis.bar(), z=nothing, z2=graph.axis.lin())
+# g.plot(graph.data.data(graph.data.points([[1, 1, 1.4], [1, 2, 1.8], [2, 1, -0.5], [2, 2, 0.9]]), xname=1, yname=2, z2=3),
+# [graph.style.barpos(fromvalue=0, frompathattrs=nothing), graph.style.bar(barattrs=[style.linejoin.bevel])])
+# g.writeEPSfile("bar")
+# g.writePDFfile("bar")
+# g.writeSVGfile("bar")
+
+
+using PyX
+
+g = graph.graphxyz(0, 0, size=5,
+ x=graph_axis.bar(),
+ y=graph_axis.bar(),
+ z=nothing,
+ z2=graph_axis.lin())
+plot(g, graph_data.data(graph_data.points([[1 1 1.4];
+ [1 2 1.8];
+ [2 1 -0.5];
+ [2 2 0.9]]), xname=1, yname=2, z2=3),
+ [graph_style.barpos(fromvalue=0, frompathattrs=nothing),
+ graph_style.bar(barattrs=[style_linejoin.bevel])])
+writeEPSfile(g, "bar")
+writePDFfile(g, "bar")
+
diff --git a/examples/3dgraphs/color.dat b/examples/3dgraphs/color.dat
new file mode 100644
index 0000000..9986579
--- /dev/null
+++ b/examples/3dgraphs/color.dat
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diff --git a/examples/3dgraphs/color.jl b/examples/3dgraphs/color.jl
new file mode 100644
index 0000000..09d8ee8
--- /dev/null
+++ b/examples/3dgraphs/color.jl
@@ -0,0 +1,21 @@
+
+# Original Python:
+# from pyx import *
+#
+# g = graph.graphxyz(size=4, projector=graph.graphxyz.parallel(170, 45))
+# g.plot(graph.data.file("color.dat", x=1, y=2, z=3, color=3),
+# [graph.style.surface(gradient=color.gradient.RedGreen,
+# gridcolor=color.rgb.black,
+# backcolor=color.rgb.black)])
+# g.writeEPSfile("color")
+# g.writePDFfile("color")
+# g.writeSVGfile("color")
+
+g = graph.graphxyz(size=4, projector=graph_graphxyz.parallel(170, 45))
+plot(g, graph_data.file("examples/3dgraphs/color.dat", x=1, y=2, z=3, color=3),
+ [graph_style.surface(gradient=color_gradient.RedGreen,
+ gridcolor=color_rgb.black,
+ backcolor=color_rgb.black)])
+writeEPSfile(g, "color")
+writePDFfile(g, "color")
+
diff --git a/examples/3dgraphs/grid.dat b/examples/3dgraphs/grid.dat
new file mode 100644
index 0000000..9986579
--- /dev/null
+++ b/examples/3dgraphs/grid.dat
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diff --git a/examples/3dgraphs/grid.jl b/examples/3dgraphs/grid.jl
new file mode 100644
index 0000000..305aa29
--- /dev/null
+++ b/examples/3dgraphs/grid.jl
@@ -0,0 +1,18 @@
+
+# Original Python:
+# from pyx import *
+#
+# g = graph.graphxyz(size=4, z=graph.axis.lin(min=0.001))
+# g.plot(graph.data.file("grid.dat", x=1, y=2, z=3), [graph.style.grid()])
+# g.writeEPSfile("grid")
+# g.writePDFfile("grid")
+# g.writeSVGfile("grid")
+
+using PyX
+
+g = graph.graphxyz(size=4, z=graph_axis.lin(min=0.001))
+plot(g, graph_data.file("examples/3dgraphs/grid.dat", x=1, y=2, z=3),
+ [graph_style.grid()])
+writeEPSfile(g, "grid")
+writePDFfile(g, "grid")
+
diff --git a/examples/bargraphs/changebar.jl b/examples/bargraphs/changebar.jl
new file mode 100644
index 0000000..cbb68aa
--- /dev/null
+++ b/examples/bargraphs/changebar.jl
@@ -0,0 +1,17 @@
+
+# Original Python:
+
+# from pyx import *
+
+# g = graph.graphxy(width=8, x=graph.axis.bar())
+# g.plot(graph.data.file("minimal.dat", xname=0, y=2), [graph.style.changebar()])
+# g.writeEPSfile("changebar")
+# g.writePDFfile("changebar")
+# g.writeSVGfile("changebar")
+
+using PyX
+
+g = graph.graphxy(width=8, x=graph_axis.bar())
+plot(g, graph_data.file("examples/bargraphs/minimal.dat", xname=0, y=2), [graph_style.changebar()])
+writeEPSfile(g, "changebar")
+writePDFfile(g, "changebar")
diff --git a/examples/bargraphs/compare.jl b/examples/bargraphs/compare.jl
new file mode 100644
index 0000000..b2a43e3
--- /dev/null
+++ b/examples/bargraphs/compare.jl
@@ -0,0 +1,22 @@
+
+# Original Python:
+
+# from pyx import *
+
+# g = graph.graphxy(width=8, x=graph.axis.nestedbar())
+# g.plot([graph.data.file("minimal.dat", xname="$0, 0", y=2),
+# graph.data.file("minimal.dat", xname="$0, 1", y=3)],
+# [graph.style.bar()])
+# g.writeEPSfile("compare")
+# g.writePDFfile("compare")
+# g.writeSVGfile("compare")
+
+using PyX
+using LaTeXStrings
+
+g = graph.graphxy(width=8, x=graph_axis.nestedbar())
+plot(g, [graph_data.file("examples/bargraphs/minimal.dat", xname=L"$0, 0", y=2),
+ graph_data.file("examples/bargraphs/minimal.dat", xname=L"$0, 1", y=3)],
+ [graph_style.bar()])
+writeEPSfile(g, "compare")
+writePDFfile(g, "compare")
diff --git a/examples/bargraphs/errors.jl b/examples/bargraphs/errors.jl
new file mode 100644
index 0000000..da22081
--- /dev/null
+++ b/examples/bargraphs/errors.jl
@@ -0,0 +1,35 @@
+
+# Original Python:
+
+# from random import random
+# from pyx import *
+
+# g = graph.graphxy(width=8, x=graph.axis.bar())
+# g.plot(graph.data.file("minimal.dat", xname=0, y=2, stack=3,
+# dy="1+random()", dstack="1+random()",
+# context={"random": random}),
+# [graph.style.errorbar(),
+# graph.style.stackedbarpos("stack"),
+# graph.style.bar([color.rgb.green]),
+# graph.style.range({"y": "stack"}),
+# graph.style.errorbar()])
+# g.writeEPSfile("errors")
+# g.writePDFfile("errors")
+# g.writeSVGfile("errors")
+
+using PyX
+
+using PyCall
+@pyimport random
+
+g = graph.graphxy(width=8, x=graph_axis.bar())
+plot(g, graph_data.file("examples/bargraphs/minimal.dat", xname=0, y=2, stack=3,
+ dy="1+random()", dstack="1+random()",
+ context=Dict("random"=>random.random)),
+ [graph_style.errorbar(),
+ graph_style.stackedbarpos("stack"),
+ graph_style.bar([color_rgb.green]),
+ graph_style.range(Dict("y"=>"stack")),
+ graph_style.errorbar()])
+writeEPSfile(g, "errors")
+writePDFfile(g, "errors")
diff --git a/examples/bargraphs/fromvalue.jl b/examples/bargraphs/fromvalue.jl
new file mode 100644
index 0000000..0b8e72e
--- /dev/null
+++ b/examples/bargraphs/fromvalue.jl
@@ -0,0 +1,19 @@
+
+# Original Python:
+
+# from pyx import *
+
+# g = graph.graphxy(width=8, x=graph.axis.bar())
+# g.plot(graph.data.file("minimal.dat", xname=0, y=2),
+# [graph.style.barpos(fromvalue=0), graph.style.bar()])
+# g.writeEPSfile("fromvalue")
+# g.writePDFfile("fromvalue")
+# g.writeSVGfile("fromvalue")
+
+using PyX
+
+g = graph.graphxy(width=8, x=graph_axis.bar())
+plot(g, graph_data.file("examples/bargraphs/minimal.dat", xname=0, y=2),
+ [graph_style.barpos(fromvalue=0), graph_style.bar()])
+writeEPSfile(g, "fromvalue")
+writePDFfile(g, "fromvalue")
diff --git a/examples/bargraphs/minimal.dat b/examples/bargraphs/minimal.dat
new file mode 100644
index 0000000..d7b89a3
--- /dev/null
+++ b/examples/bargraphs/minimal.dat
@@ -0,0 +1,12 @@
+January -5 1
+Feburary -4 3
+March 0 8
+April 3 13
+May 7 18
+June 10 21
+July 12 23
+August 12 23
+September 8 19
+October 4 13
+November 0 6
+December -4 2
diff --git a/examples/bargraphs/minimal.jl b/examples/bargraphs/minimal.jl
new file mode 100644
index 0000000..54683c1
--- /dev/null
+++ b/examples/bargraphs/minimal.jl
@@ -0,0 +1,15 @@
+
+# Original Python:
+
+# from pyx import *
+
+# g = graph.graphxy(width=8, x=graph.axis.bar())
+# g.plot(graph.data.file("minimal.dat", xname=0, y=2), [graph.style.bar()])
+# g.writeEPSfile("minimal")
+# g.writePDFfile("minimal")
+# g.writeSVGfile("minimal")
+
+g = graph.graphxy(width=8, x=graph_axis.bar())
+plot(g, graph_data.file("examples/bargraphs/minimal.dat", xname=0, y=2), [graph_style.bar()])
+writeEPSfile(g, "bar_minimal")
+writePDFfile(g, "bar_minimal")
diff --git a/examples/bargraphs/month.jl b/examples/bargraphs/month.jl
new file mode 100644
index 0000000..8f5b49d
--- /dev/null
+++ b/examples/bargraphs/month.jl
@@ -0,0 +1,27 @@
+
+# Original Python:
+
+# from pyx import *
+
+# mypainter = graph.axis.painter.bar(nameattrs=[trafo.rotate(45),
+# text.halign.right],
+# innerticklength=0.1)
+# myaxis = graph.axis.bar(painter=mypainter)
+
+# g = graph.graphxy(width=8, x=myaxis)
+# g.plot(graph.data.file("minimal.dat", xname=1, y=2), [graph.style.bar()])
+# g.writeEPSfile("month")
+# g.writePDFfile("month")
+# g.writeSVGfile("month")
+
+using PyX
+mypainter = graph_axis_painter.bar(nameattrs=[trafo.rotate(45),
+ text_halign.right],
+ innerticklength=0.1)
+myaxis = graph_axis.bar(painter=mypainter)
+
+g = graph.graphxy(width=8, x=myaxis)
+plot(g, graph_data.file("examples/bargraphs/minimal.dat", xname=1, y=2),
+ [graph_style.bar()])
+writeEPSfile(g, "month")
+writePDFfile(g, "month")
diff --git a/examples/bargraphs/stacked.jl b/examples/bargraphs/stacked.jl
new file mode 100644
index 0000000..a069b76
--- /dev/null
+++ b/examples/bargraphs/stacked.jl
@@ -0,0 +1,27 @@
+
+# Original Python:
+
+# from pyx import *
+
+# g = graph.graphxy(width=14, height=6, x=graph.axis.bar())
+# g.plot(graph.data.file("minimal.dat", xname=0, y=2, stack=3),
+# [graph.style.bar(),
+# graph.style.text("y"),
+# graph.style.stackedbarpos("stack"),
+# graph.style.bar([color.rgb.green]),
+# graph.style.text("stack")])
+# g.writeEPSfile("stacked")
+# g.writePDFfile("stacked")
+# g.writeSVGfile("stacked")
+
+using PyX
+
+g = graph.graphxy(width=14, height=6, x=graph_axis.bar())
+plot(g, graph_data.file("examples/bargraphs/minimal.dat", xname=0, y=2, stack=3),
+ [graph_style.bar(),
+ graph_style.text("y"),
+ graph_style.stackedbarpos("stack"),
+ graph_style.bar([color_rgb.green]),
+ graph_style.text("stack")])
+writeEPSfile(g, "stacked")
+writePDFfile(g, "stacked")
diff --git a/examples/drawing/arrow.jl b/examples/drawing/arrow.jl
new file mode 100644
index 0000000..ec2cb06
--- /dev/null
+++ b/examples/drawing/arrow.jl
@@ -0,0 +1,23 @@
+
+# Original Python:
+# from pyx import *
+
+# c = canvas.canvas()
+# c.stroke(path.curve(0, 0, 0, 4, 2, 4, 3, 3),
+# [style.linewidth.THICK, style.linestyle.dashed, color.rgb.blue,
+# deco.earrow([deco.stroked([color.rgb.red, style.linejoin.round]),
+# deco.filled([color.rgb.green])], size=1)])
+# c.writeEPSfile("arrow")
+# c.writePDFfile("arrow")
+# c.writeSVGfile("arrow")
+
+
+using PyX
+
+c = canvas.canvas()
+stroke(c, path.curve(0, 0, 0, 4, 2, 4, 3, 3),
+ [style_linewidth.THICK, style_linestyle.dashed, color_rgb.blue,
+ deco.earrow([deco.stroked([color_rgb.red, style_linejoin.round]),
+ deco.filled([color_rgb.green])], size=1)])
+writeEPSfile(c, "arrow")
+writePDFfile(c, "arrow")
diff --git a/examples/drawing/metapost.jl.broken b/examples/drawing/metapost.jl.broken
new file mode 100644
index 0000000..bcd2f84
--- /dev/null
+++ b/examples/drawing/metapost.jl.broken
@@ -0,0 +1,51 @@
+
+# Original Python:
+# from pyx import *
+# from pyx.metapost.path import beginknot, endknot, smoothknot, tensioncurve
+
+# p1, p2, p3, p4, p5 = (0, 0), (2, 1.33), (1.3, 3), (0.33, 2.33), (1, 1.67)
+# openpath = metapost.path.path([
+# beginknot(*p1), tensioncurve(), smoothknot(*p2), tensioncurve(),
+# smoothknot(*p3), tensioncurve(), smoothknot(*p4), tensioncurve(),
+# endknot(*p5)])
+# closedpath = metapost.path.path([
+# smoothknot(*p1), tensioncurve(), smoothknot(*p2), tensioncurve(),
+# smoothknot(*p3), tensioncurve(), smoothknot(*p4), tensioncurve(),
+# smoothknot(*p5), tensioncurve()])
+# c = canvas.canvas()
+# for p in [p1, p2, p3, p4, p5]:
+# c.fill(path.circle(p[0], p[1], 0.05), [color.rgb.red])
+# c.fill(path.circle(p[0], p[1], 0.05), [color.rgb.red, trafo.translate(2, 0)])
+# c.stroke(openpath)
+# c.stroke(closedpath, [trafo.translate(2, 0)])
+
+# c.writeEPSfile("metapost")
+# c.writePDFfile("metapost")
+# c.writeSVGfile("metapost")
+
+using PyX
+
+beginknot = metapost_path.beginknot
+endknot = metapost_path.endknot
+smoothknot = metapost_path.smoothknot
+tensioncurve = metapost_path.smoothknot
+
+p1, p2, p3, p4, p5 = (0, 0), (2, 1.33), (1.3, 3), (0.33, 2.33), (1, 1.67)
+openpath = metapost_path.path([
+ beginknot(p1...), tensioncurve(), smoothknot(p2...), tensioncurve(),
+ smoothknot(p3...), tensioncurve(), smoothknot(p4...), tensioncurve(),
+ endknot(p5...)])
+closedpath = metapost_path.path([
+ smoothknot(p1...), tensioncurve(), smoothknot(p2...), tensioncurve(),
+ smoothknot(p3...), tensioncurve(), smoothknot(p4...), tensioncurve(),
+ smoothknot(p5...), tensioncurve()])
+c = canvas.canvas()
+for p in [p1, p2, p3, p4, p5]:
+ fill(c, path.circle(p[0], p[1], 0.05), [color_rgb.red])
+ fill(c, path.circle(p[0], p[1], 0.05), [color_rgb.red, trafo.translate(2, 0)])
+stroke(c, openpath)
+stroke(c, closedpath, [trafo.translate(2, 0)])
+
+writeEPSfile(c, "metapost")
+writePDFfile(c, "metapost")
+
diff --git a/examples/drawing/path.jl b/examples/drawing/path.jl
new file mode 100644
index 0000000..380d3ed
--- /dev/null
+++ b/examples/drawing/path.jl
@@ -0,0 +1,20 @@
+# Original Python:
+# from pyx import *
+
+# c = canvas.canvas()
+# c.stroke(path.line(0, 0, 3, 0))
+# c.stroke(path.rect(0, 1, 1, 1))
+# c.fill(path.circle(2.5, 1.5, 0.5))
+# c.writeEPSfile("path")
+# c.writePDFfile("path")
+# c.writeSVGfile("path")
+
+using PyX
+
+c = canvas.canvas()
+stroke(c, path.line(0, 0, 3, 0))
+stroke(c, path.rect(0, 1, 1, 1))
+pyx_fill(c, path.circle(2.5, 1.5, 0.5))
+
+writeEPSfile(c, "path")
+writePDFfile(c, "path")
diff --git a/examples/drawing/pathitem.jl b/examples/drawing/pathitem.jl
new file mode 100644
index 0000000..2835313
--- /dev/null
+++ b/examples/drawing/pathitem.jl
@@ -0,0 +1,46 @@
+
+# Original Python:
+# from pyx import *
+
+# c = canvas.canvas()
+
+# rect1 = path.path(path.moveto(0, 0), path.lineto(1, 0),
+# path.moveto(1, 0), path.lineto(1, 1),
+# path.moveto(1, 1), path.lineto(0, 1),
+# path.moveto(0, 1), path.lineto(0, 0))
+# rect2 = path.path(path.moveto(2, 0), path.lineto(3, 0),
+# path.lineto(3, 1), path.lineto(2, 1),
+# path.lineto(2, 0))
+# rect3 = path.path(path.moveto(4, 0), path.lineto(5, 0),
+# path.lineto(5, 1), path.lineto(4, 1),
+# path.closepath())
+
+# c.stroke(rect1, [style.linewidth.THICK])
+# c.stroke(rect2, [style.linewidth.THICK])
+# c.stroke(rect3, [style.linewidth.THICK])
+
+# c.writeEPSfile("pathitem")
+# c.writePDFfile("pathitem")
+# c.writeSVGfile("pathitem")
+
+using PyX
+
+c = canvas.canvas()
+
+rect1 = path.path(path.moveto(0, 0), path.lineto(1, 0),
+ path.moveto(1, 0), path.lineto(1, 1),
+ path.moveto(1, 1), path.lineto(0, 1),
+ path.moveto(0, 1), path.lineto(0, 0))
+rect2 = path.path(path.moveto(2, 0), path.lineto(3, 0),
+ path.lineto(3, 1), path.lineto(2, 1),
+ path.lineto(2, 0))
+rect3 = path.path(path.moveto(4, 0), path.lineto(5, 0),
+ path.lineto(5, 1), path.lineto(4, 1),
+ path.closepath())
+
+stroke(c, rect1, [style_linewidth.THICK])
+stroke(c, rect2, [style_linewidth.THICK])
+stroke(c, rect3, [style_linewidth.THICK])
+
+writeEPSfile(c, "pathitem")
+writePDFfile(c, "pathitem")
diff --git a/examples/drawing/strokefill.jl b/examples/drawing/strokefill.jl
new file mode 100644
index 0000000..50b2d35
--- /dev/null
+++ b/examples/drawing/strokefill.jl
@@ -0,0 +1,20 @@
+# Original Python:
+# from pyx import *
+
+# c = canvas.canvas()
+# c.stroke(path.rect(0, 0, 1, 1), [style.linewidth.Thick,
+# color.rgb.red,
+# deco.filled([color.rgb.green])])
+# c.writeEPSfile("strokefill")
+# c.writePDFfile("strokefill")
+# c.writeSVGfile("strokefill")
+
+using PyX
+
+c = canvas.canvas()
+stroke(c, path.rect(0, 0, 1, 1),
+ [style_linewidth.Thick,
+ color_rgb.red,
+ deco.filled([color_rgb.green])])
+writeEPSfile(c, "strokefill")
+writePDFfile(c, "strokefill")
diff --git a/examples/drawing/style.jl b/examples/drawing/style.jl
new file mode 100644
index 0000000..3a8c105
--- /dev/null
+++ b/examples/drawing/style.jl
@@ -0,0 +1,29 @@
+# Original Python:
+# from pyx import *
+
+# c = canvas.canvas()
+# c.stroke(path.line(0, 0, 4, 0),
+# [style.linewidth.THICK, style.linestyle.dashed, color.rgb.red])
+# c.stroke(path.line(0, -1, 4, -1),
+# [style.linewidth(0.2), style.linecap.round, color.rgb.green])
+# c.fill(path.rect(0, -3, 4, 1), [color.rgb.blue])
+# c.writeEPSfile("style")
+# c.writePDFfile("style")
+# c.writeSVGfile("style")
+
+using PyX
+
+c = canvas.canvas()
+stroke(c, path.line(0, 0, 4, 0),
+ [style_linewidth.THICK,
+ style_linestyle.dashed,
+ color_rgb.red])
+stroke(c, path.line(0, -1, 4, -1),
+ [style.linewidth(0.2),
+ style_linecap.round,
+ color_rgb.green])
+pyx_fill(c, path.rect(0, -3, 4, 1),
+ [color_rgb.blue])
+
+writeEPSfile(c, "style")
+writePDFfile(c, "style")
diff --git a/examples/drawing2d/clipping.jl b/examples/drawing2d/clipping.jl
new file mode 100644
index 0000000..e21f4bb
--- /dev/null
+++ b/examples/drawing2d/clipping.jl
@@ -0,0 +1,33 @@
+# Original Python:
+# from pyx import *
+
+# clippath = path.circle(0, 0, 1)
+# drawpath = path.line(-2, -2, 1.2, 2)
+
+# cl = canvas.canvas([canvas.clip(clippath)])
+# cl.stroke(drawpath, [color.rgb.red, style.linewidth(1.0)])
+
+# c = canvas.canvas()
+# c.stroke(drawpath, [style.linewidth(1.0)])
+# c.insert(cl)
+# c.stroke(clippath)
+
+# c.writeEPSfile("clipping")
+# c.writePDFfile("clipping")
+# c.writeSVGfile("clipping")
+
+using PyX
+
+clippath = path.circle(0, 0, 1)
+drawpath = path.line(-2, -2, 1.2, 2)
+
+cl = canvas.canvas([canvas.clip(clippath)])
+stroke(cl, drawpath, [color_rgb.red, style.linewidth(1.0)])
+
+c = canvas.canvas()
+stroke(c, drawpath, [style.linewidth(1.0)])
+pyx_insert(c, cl)
+stroke(c, clippath)
+
+writeEPSfile(c, "clipping")
+writePDFfile(c, "clipping")
diff --git a/examples/drawing2d/ellipse.jl b/examples/drawing2d/ellipse.jl
new file mode 100644
index 0000000..931ba89
--- /dev/null
+++ b/examples/drawing2d/ellipse.jl
@@ -0,0 +1,36 @@
+# Original Python:
+# from pyx import *
+
+# c = canvas.canvas()
+# circ = path.circle(0, 0, 1)
+
+# # variant 1: use trafo as a deformer
+# c.stroke(circ, [style.linewidth.THIck,
+# trafo.scale(sx=2, sy=0.9), trafo.rotate(45), trafo.translate(1, 0)])
+
+# # variant 2: transform a subcanvas
+# sc = canvas.canvas()
+# sc.stroke(circ, [style.linewidth.THIck])
+# c.insert(sc, [trafo.scale(sx=2, sy=0.9), trafo.rotate(45), trafo.translate(5, 0)])
+
+# c.writeEPSfile("ellipse")
+# c.writePDFfile("ellipse")
+# c.writeSVGfile("ellipse")
+
+
+using PyX
+
+c = canvas.canvas()
+circ = path.circle(0, 0, 1)
+
+# variant 1: use trafo as a deformer
+stroke(c, circ, [style_linewidth.THIck,
+ trafo.scale(sx=2, sy=0.9), trafo.rotate(45), trafo.translate(1, 0)])
+
+# variant 2: transform a subcanvas
+sc = canvas.canvas()
+stroke(sc, circ, [style_linewidth.THIck])
+pyx_insert(c, sc, [trafo.scale(sx=2, sy=0.9), trafo.rotate(45), trafo.translate(5, 0)])
+
+writeEPSfile(c, "ellipse")
+writePDFfile(c, "ellipse")
diff --git a/examples/drawing2d/insert.jl b/examples/drawing2d/insert.jl
new file mode 100644
index 0000000..41bb0b9
--- /dev/null
+++ b/examples/drawing2d/insert.jl
@@ -0,0 +1,32 @@
+# Original Python:
+# from math import sin, cos, radians
+# from pyx import *
+
+# angle = 10
+# factor = 1.0 / (cos(radians(angle)) + sin(radians(angle)))
+
+# cc = canvas.canvas()
+# cc.stroke(path.rect(-2, -2, 4, 4))
+
+# c = canvas.canvas()
+# for i in range(10):
+# c.insert(cc, [trafo.rotate(i*angle), trafo.scale(factor**i)])
+# c.writeEPSfile("insert")
+# c.writePDFfile("insert")
+# c.writeSVGfile("insert")
+
+using PyX
+
+angle = 10
+factor = 1.0 / (cos(deg2rad(angle)) + sin(deg2rad(angle)))
+
+cc = canvas.canvas()
+stroke(cc, path.rect(-2, -2, 4, 4))
+
+c = canvas.canvas()
+for i in 0:9
+ pyx_insert(c, cc, [trafo.rotate(i*angle), trafo.scale(factor^i)])
+end
+
+writeEPSfile(c, "insert")
+writePDFfile(c, "insert")
diff --git a/examples/drawing2d/parallel.jl b/examples/drawing2d/parallel.jl
new file mode 100644
index 0000000..73b284a
--- /dev/null
+++ b/examples/drawing2d/parallel.jl
@@ -0,0 +1,23 @@
+# Original Python:
+# from pyx import *
+
+# c = canvas.canvas()
+# p = path.line(0, 0, 2, 2)
+# p.append(path.curveto(2, 0, 3, 0, 4, 0))
+# c.stroke(p)
+# c.stroke(p, [deformer.parallel(0.2), color.rgb.blue])
+# c.stroke(p, [deformer.parallel(-0.2), color.rgb.red])
+# c.writeEPSfile("parallel")
+# c.writePDFfile("parallel")
+# c.writeSVGfile("parallel")
+
+using PyX
+
+c = canvas.canvas()
+p = path.line(0, 0, 2, 2)
+pyx_append(p, path.curveto(2, 0, 3, 0, 4, 0))
+stroke(c, p)
+stroke(c, p, [deformer.parallel(0.2), color_rgb.blue])
+stroke(c, p, [deformer.parallel(-0.2), color_rgb.red])
+writeEPSfile(c, "parallel")
+writePDFfile(c, "parallel")
diff --git a/examples/drawing2d/smoothed.jl b/examples/drawing2d/smoothed.jl
new file mode 100644
index 0000000..8bce718
--- /dev/null
+++ b/examples/drawing2d/smoothed.jl
@@ -0,0 +1,23 @@
+# Original Python:
+# from pyx import *
+
+# c = canvas.canvas()
+# p = path.line(0, 0, 2, 2)
+# p.append(path.curveto(2, 0, 3, 0, 4, 0))
+# c.stroke(p)
+# c.stroke(p, [deformer.smoothed(1.0), color.rgb.blue])
+# c.stroke(p, [deformer.smoothed(2.0), color.rgb.red])
+# c.writeEPSfile("smoothed")
+# c.writePDFfile("smoothed")
+# c.writeSVGfile("smoothed")
+
+using PyX
+
+c = canvas.canvas()
+p = path.line(0, 0, 2, 2)
+pyx_append(p, path.curveto(2, 0, 3, 0, 4, 0))
+stroke(c, p)
+stroke(c, p, [deformer.smoothed(1.0), color_rgb.blue])
+stroke(c, p, [deformer.smoothed(2.0), color_rgb.red])
+writeEPSfile(c, "smoothed")
+writePDFfile(c, "smoothed")
diff --git a/examples/graphstyles/density.jl b/examples/graphstyles/density.jl
new file mode 100644
index 0000000..957b487
--- /dev/null
+++ b/examples/graphstyles/density.jl
@@ -0,0 +1,86 @@
+
+# Original Python:
+# from pyx import *
+#
+# # Mandelbrot calculation contributed by Stephen Phillips
+#
+# # Mandelbrot parameters
+# re_min = -2
+# re_max = 0.5
+# im_min = -1.25
+# im_max = 1.25
+# gridx = 100
+# gridy = 100
+# max_iter = 10
+#
+# # Set-up
+# re_step = (re_max - re_min) / gridx
+# im_step = (im_max - im_min) / gridy
+# d = []
+#
+# # Compute fractal
+# for re_index in range(gridx):
+# re = re_min + re_step * (re_index + 0.5)
+# for im_index in range(gridy):
+# im = im_min + im_step * (im_index + 0.5)
+# c = complex(re, im)
+# n = 0
+# z = complex(0, 0)
+# while n < max_iter and abs(z) < 2:
+# z = (z * z) + c
+# n += 1
+# d.append([re, im, n])
+#
+# # Plot graph
+# g = graph.graphxy(height=8, width=8,
+# x=graph.axis.linear(min=re_min, max=re_max, title=r"$\Re(c)$"),
+# y=graph.axis.linear(min=im_min, max=im_max, title=r'$\Im(c)$'))
+# g.plot(graph.data.points(d, x=1, y=2, color=3, title="iterations"),
+# [graph.style.density(gradient=color.rgbgradient.Rainbow)])
+# g.writeEPSfile()
+# g.writePDFfile()
+# g.writeSVGfile()
+
+using PyX
+using LaTeXStrings
+
+# Mandelbrot parameters
+re_min = -2
+re_max = 0.5
+im_min = -1.25
+im_max = 1.25
+gridx = 100
+gridy = 100
+max_iter = 10
+
+# Set-up
+re_step = (re_max - re_min) / gridx
+im_step = (im_max - im_min) / gridy
+# Julia note: indexing is opposite of what would be idiomatic Julia
+d = zeros(gridx*gridy, 3)
+
+# Compute fractal
+for re_index in 0:(gridx-1)
+ re = re_min + re_step * (re_index + 0.5)
+ for im_index in 0:(gridy-1)
+ im = im_min + im_step * (im_index + 0.5)
+ c = complex(re, im)
+ n = 0
+ z = complex(0, 0)
+ while n < max_iter && abs(z) < 2
+ z = (z * z) + c
+ n += 1
+ end
+ d[re_index*gridy + im_index + 1, :] = [re, im, n]
+ end
+end
+
+# Plot graph
+g = graph.graphxy(height=8, width=8,
+ x=graph_axis.linear(min=re_min, max=re_max, title=L"$\Re(c)$"),
+ y=graph_axis.linear(min=im_min, max=im_max, title=L"$\Im(c)$"))
+plot(g, graph_data.points(d, x=1, y=2, color=3, title="iterations"),
+ [graph_style.density(gradient=color_rgbgradient.Rainbow)])
+writeEPSfile(g, "density")
+writePDFfile(g, "density")
+
diff --git a/examples/graphstyles/errorbar.dat b/examples/graphstyles/errorbar.dat
new file mode 100644
index 0000000..bd33a65
--- /dev/null
+++ b/examples/graphstyles/errorbar.dat
@@ -0,0 +1,6 @@
+1 2 0.7
+2 3 0.9
+3 8 0.8
+4 13 1.2
+5 18 1.1
+6 21 1.3
diff --git a/examples/graphstyles/errorbar.jl b/examples/graphstyles/errorbar.jl
new file mode 100644
index 0000000..94b80dc
--- /dev/null
+++ b/examples/graphstyles/errorbar.jl
@@ -0,0 +1,19 @@
+
+# Original Python:
+# from pyx import *
+#
+# g = graph.graphxy(width=8)
+# g.plot(graph.data.file("errorbar.dat", x=1, y=2, dy=3),
+# [graph.style.symbol(), graph.style.errorbar()])
+# g.writeEPSfile("errorbar")
+# g.writePDFfile("errorbar")
+# g.writeSVGfile("errorbar")
+
+using PyX
+
+g = graph.graphxy(width=8)
+plot(g, graph_data.file("examples/graphstyles/errorbar.dat", x=1, y=2, dy=3),
+ [graph_style.symbol(), graph_style.errorbar()])
+writeEPSfile(g, "errorbar")
+writePDFfile(g, "errorbar")
+
diff --git a/examples/graphstyles/histogram.jl b/examples/graphstyles/histogram.jl
new file mode 100644
index 0000000..ebe35c6
--- /dev/null
+++ b/examples/graphstyles/histogram.jl
@@ -0,0 +1,29 @@
+
+# Original Python:
+# from pyx import *
+#
+# d = graph.data.points([(1, 0.3),
+# (2, -0.7),
+# (3, -0.3),
+# (4, 0.8),
+# (5, 0.5)], x=1, y=2)
+#
+# g = graph.graphxy(width=8)
+# g.plot(d, [graph.style.histogram()])
+# g.writeEPSfile("histogram")
+# g.writePDFfile("histogram")
+# g.writeSVGfile("histogram")
+
+using PyX
+
+d = graph_data.points([(1, 0.3),
+ (2, -0.7),
+ (3, -0.3),
+ (4, 0.8),
+ (5, 0.5)], x=1, y=2)
+
+g = graph.graphxy(width=8)
+plot(g, d, [graph_style.histogram()])
+writeEPSfile(g, "histogram")
+writePDFfile(g, "histogram")
+
diff --git a/examples/graphstyles/usesymbol.jl b/examples/graphstyles/usesymbol.jl
new file mode 100644
index 0000000..af49f99
--- /dev/null
+++ b/examples/graphstyles/usesymbol.jl
@@ -0,0 +1,41 @@
+
+# Original Python:
+# from pyx import *
+#
+# # colors and symbols to use (alternatingly)
+# colors = [color.rgb.red, color.rgb.green, color.rgb.blue, color.gray.black]
+# symbols = [graph.style._diamondsymbol, graph.style._trianglesymbol, graph.style._circlesymbol]
+#
+# # create the graph styles to be used below
+# symbol = graph.style.symbol(symbol=attr.changelist(symbols),
+# symbolattrs=[deco.stroked.clear,
+# attr.changelist([deco.filled([cc]) for cc in colors])])
+# line = graph.style.line(lineattrs=[attr.changelist(colors),
+# attr.changelist([style.linestyle.solid])])
+#
+# g = graph.graphxy(width=8, x=graph.axis.linear(min=0, max=1))
+# g.plot([graph.data.function("y(x) = x**%d" % i, points=8) for i in range(1, 7)],
+# styles=[line, symbol])
+# g.writeEPSfile("usesymbol")
+# g.writePDFfile("usesymbol")
+# g.writeSVGfile("usesymbol")
+
+using PyX
+
+# colors and symbols to use (alternatingly)
+colors = [color_rgb.red, color_rgb.green, color_rgb.blue, color_gray.black]
+symbols = [graph_style._diamondsymbol, graph_style._trianglesymbol, graph_style._circlesymbol]
+
+# create the graph styles to be used below
+symbol = graph_style.symbol(symbol=attr.changelist(symbols),
+ symbolattrs=[deco_stroked.clear,
+ attr.changelist([deco.filled([cc]) for cc in colors])])
+line = graph_style.line(lineattrs=[attr.changelist(colors),
+ attr.changelist([style_linestyle.solid])])
+
+g = graph.graphxy(width=8, x=graph_axis.linear(min=0, max=1))
+plot(g, [graph_data_function("y(x) = x**$i", points=8) for i in 1:7],
+ styles=[line, symbol])
+writeEPSfile(g, "usesymbol")
+writePDFfile(g, "usesymbol")
+
diff --git a/examples/splitgraphs/minimal.jl b/examples/splitgraphs/minimal.jl
new file mode 100644
index 0000000..e0e85cf
--- /dev/null
+++ b/examples/splitgraphs/minimal.jl
@@ -0,0 +1,25 @@
+# Original Python:
+# from pyx import *
+
+# g = graph.graphxy(width=8, x=graph.axis.split())
+# g.plot(graph.data.points([((0, 0.1), 0.1),
+# ((0, 0.5), 0.2),
+# ((0, 0.9), 0.3),
+# ((1, 101), 0.7),
+# ((1, 105), 0.8),
+# ((1, 109), 0.9)], x=1, y=2))
+# g.writeEPSfile("minimal")
+# g.writePDFfile("minimal")
+# g.writeSVGfile("minimal")
+
+using PyX
+
+g = graph.graphxy(width=8, x=graph_axis.split())
+plot(g, graph_data.points([((0, 0.1), 0.1),
+ ((0, 0.5), 0.2),
+ ((0, 0.9), 0.3),
+ ((1, 101), 0.7),
+ ((1, 105), 0.8),
+ ((1, 109), 0.9)], x=1, y=2))
+writeEPSfile(g, "minimal")
+writePDFfile(g, "minimal")
diff --git a/examples/splitgraphs/splitatvalue.jl b/examples/splitgraphs/splitatvalue.jl
new file mode 100644
index 0000000..c09d194
--- /dev/null
+++ b/examples/splitgraphs/splitatvalue.jl
@@ -0,0 +1,23 @@
+# Original Python:
+# from pyx import *
+
+# pf = graph.data.paramfunction
+
+# g = graph.graphxy(width=8, x=graph.axis.split())
+# g.plot(pf("k", -1, 1,
+# "x, y = splitatvalue(k, -0.9, 0.9), k**100",
+# points=1000))
+# g.writeEPSfile("splitatvalue")
+# g.writePDFfile("splitatvalue")
+# g.writeSVGfile("splitatvalue")
+
+using PyX
+
+pf = graph_data.paramfunction
+
+g = graph.graphxy(width=8, x=graph_axis.split())
+plot(g, pf("k", -1, 1,
+ "x, y = splitatvalue(k, -0.9, 0.9), k**100",
+ points=1000))
+writeEPSfile(g, "splitatvalue")
+writePDFfile(g, "splitatvalue")