From e8e515c295300e9cf469a5e02e4a9b82f3b25d38 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Andr=C3=A9=20Wobst?= <wobsta@users.sourceforge.net>
Date: Thu, 11 Oct 2012 22:31:00 +0000
Subject: [PATCH] add a one dimensional graph

git-svn-id: https://pyx.svn.sourceforge.net/svnroot/pyx/trunk/pyx@3287 069f4177-920e-0410-937b-c2a4a81bcd90
---
 pyx/graph/__init__.py | 12 +++++------
 pyx/graph/graph.py    | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 62 insertions(+), 7 deletions(-)

diff --git a/pyx/graph/__init__.py b/pyx/graph/__init__.py
index c8f3084a..69ffa6cb 100644
--- a/pyx/graph/__init__.py
+++ b/pyx/graph/__init__.py
@@ -22,11 +22,11 @@
 
 __allmodules__ = ["data", "key", "style", "axis"]
 for module in __allmodules__:
-    __import__(module, globals(), locals(), [])
+__import__(module, globals(), locals(), [])
 
-import graph
-__allgraph__ = ["graphxy", "graphxyz"]
-for importfromgraph in __allgraph__:
-    locals()[importfromgraph] = getattr(graph, importfromgraph)
+    import graph
+    __allgraph__ = ["graphx", "graphxy", "graphxyz"]
+    for importfromgraph in __allgraph__:
+locals()[importfromgraph] = getattr(graph, importfromgraph)
 
-__all__ = __allmodules__ + __allgraph__
+    __all__ = __allmodules__ + __allgraph__
diff --git a/pyx/graph/graph.py b/pyx/graph/graph.py
index 4f2212eb..4ab7099c 100644
--- a/pyx/graph/graph.py
+++ b/pyx/graph/graph.py
@@ -23,7 +23,7 @@
 
 
 import math, re, string, warnings
-from pyx import canvas, path, trafo, unit
+from pyx import canvas, path, pycompat, trafo, unit
 from pyx.graph.axis import axis, positioner
 
 
@@ -580,6 +580,61 @@ class graphxy(graph):
                 self.layer("key").insert(c, [trafo.translate_pt(x, y)])
 
 
+
+class graphx(graphxy):
+
+    def __init__(self, xpos=0, ypos=0, length=None, size=0.5*unit.v_cm, direction="vertical",
+                 key=None, backgroundattrs=None, axesdist=0.8*unit.v_cm, **axes):
+        for name in axes:
+            if not name.startswith("x"):
+                raise ValueError("Only x axes are allowed")
+        self.direction = direction
+        if self.direction == "vertical":
+            kwargsxy = dict(width=size, height=length, flipped=True)
+        elif self.direction == "horizontal":
+            kwargsxy = dict(width=length, height=size)
+        else:
+            raise ValueError("vertical or horizontal direction required")
+        kwargsxy.update(**axes)
+
+        graphxy.__init__(self, xpos=xpos, ypos=ypos, ratio=None, key=key, y=axis.lin(min=0, max=1, parter=None),
+                         backgroundattrs=backgroundattrs, axesdist=axesdist, **kwargsxy)
+
+    def pos_pt(self, x, xaxis=None):
+        return graphxy.pos_pt(self, x, 0.5, xaxis)
+
+    def pos(self, x, xaxis=None):
+        return graphxy.pos(self, x, 0.5, xaxis)
+
+    def vpos_pt(self, vx):
+        return graphxy.vpos_pt(self, vx, 0.5)
+
+    def vpos(self, vx):
+        return graphxy.vpos(self, vx, 0.5)
+
+    def vgeodesic(self, vx1, vx2):
+        return graphxy.vgeodesic(self, vx1, 0.5, vx2, 0.5)
+
+    def vgeodesic_el(self, vx1, vy1, vx2, vy2):
+        return graphxy.vgeodesic_el(self, vx1, 0.5, vx2, 0.5)
+
+    def vcap_pt(self, coordinate, length_pt, vx):
+        if coordinate == 0:
+            return graphxy.vcap_pt(self, coordinate, length_pt, vx, 0.5)
+        else:
+            raise ValueError("direction invalid")
+
+    def xvgridpath(self, vx):
+        return graphxy.xvgridpath(self, vx)
+
+    def yvgridpath(self, vy):
+        raise Exception("This method does not exist on a one dimensional graph.")
+
+    def axisatv(self, axis, v):
+        raise Exception("This method does not exist on a one dimensional graph.")
+
+
+
 class graphxyz(graphxy):
 
     class central:
-- 
2.11.4.GIT