[PyX-checkins] SF.net SVN: pyx: [2856] trunk/pyx/www/news.pt

[<wobsta@us...>]

Revision: 2856
          http://svn.sourceforge.net/pyx/?rev=2856&view=rev
Author:   wobsta
Date:     2006-09-18 09:59:49 -0700 (Mon, 18 Sep 2006)

Log Message:
-----------
add news about the font talk at dante mv 35

Modified Paths:
--------------
    trunk/pyx/www/news.pt

Modified: trunk/pyx/www/news.pt
===================================================================
--- trunk/pyx/www/news.pt	2006-09-18 16:49:59 UTC (rev 2855)
+++ trunk/pyx/www/news.pt	2006-09-18 16:59:49 UTC (rev 2856)
@@ -9,6 +9,14 @@
     <h1>PyX - News</h1>
 
     <dl>
+      <dt>2006-09-14: Talk about Type1 fonts and PyX in Rosenheim</dt>
+      <dd>
+        A talk about Type1 fonts and PyX was presented at the
+        <a href="http://www.dante.de/dante/events/mv35/">fall meeting</a> of the <a href="http://www.dante.de/dante/events/mv35/">German Speaking TeX User Group DANTE e.V.</a> (September 14th and 15th, Rosenheim).
+        The presentation is available in
+        <a href="presentation_dantemv35_de.pdf">German (pdf, 19 pages, 226 KB)</a> and
+        in a crude <a href="presentation_dantemv35_en.pdf">english translation</a>.
+      </dd>
       <dt>2006-09-11: First public version of PyXPlot released</dt>
       <dd>
         Dominic Ford released the first public version of <a


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[PyX-checkins] SF.net SVN: pyx: [2855] trunk/pyx/www/news.pt

[<joergl@us...>]

Revision: 2855
          http://svn.sourceforge.net/pyx/?rev=2855&view=rev
Author:   joergl
Date:     2006-09-18 09:49:59 -0700 (Mon, 18 Sep 2006)

Log Message:
-----------
add new item regarding PyXPlot published a coupled of days

Modified Paths:
--------------
    trunk/pyx/www/news.pt

Modified: trunk/pyx/www/news.pt
===================================================================
--- trunk/pyx/www/news.pt	2006-09-17 15:47:57 UTC (rev 2854)
+++ trunk/pyx/www/news.pt	2006-09-18 16:49:59 UTC (rev 2855)
@@ -9,6 +9,14 @@
     <h1>PyX - News</h1>
 
     <dl>
+      <dt>2006-09-11: First public version of PyXPlot released</dt>
+      <dd>
+        Dominic Ford released the first public version of <a
+        href="http://www.pyxplot.org.uk/">PyXPlot</a>;, which provides a
+        Gnuplot-style interface to PyX. PyXPlot already supports a large subset
+        of Gnuplot's original functionality, always combined with the
+        high-quality output of PyX.
+      </dd>
       <dt>2006-05-24: PyX 0.9 released</dt>
       <dd>
         This release features a new set of deformers for path manipulations


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[PyX-checkins] SF.net SVN: pyx: [2854] trunk/pyx/CHANGES

[<joergl@us...>]

Revision: 2854
          http://svn.sourceforge.net/pyx/?rev=2854&view=rev
Author:   joergl
Date:     2006-09-17 08:47:57 -0700 (Sun, 17 Sep 2006)

Log Message:
-----------
add todo for example as suggested by Simon Burton

Modified Paths:
--------------
    trunk/pyx/CHANGES

Modified: trunk/pyx/CHANGES
===================================================================
--- trunk/pyx/CHANGES	2006-09-15 16:09:42 UTC (rev 2853)
+++ trunk/pyx/CHANGES	2006-09-17 15:47:57 UTC (rev 2854)
@@ -82,6 +82,7 @@
     - add an epsfile example (suggested by Stathis Sideris)
     - add a small example line on y="f($1)" in one of the plot examples
     - add a grid example
+    - add a plot data from list example
 
   FAQ:
     - describe creation and modification (inplace and ``modify by new'') of


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[PyX-checkins] SF.net SVN: pyx: [2853] trunk/pyx

[<wobsta@us...>]

Revision: 2853
          http://svn.sourceforge.net/pyx/?rev=2853&view=rev
Author:   wobsta
Date:     2006-09-15 09:09:42 -0700 (Fri, 15 Sep 2006)

Log Message:
-----------
extend the logarithmic parter to calculate automatic partitions for huge ranges

Modified Paths:
--------------
    trunk/pyx/CHANGES
    trunk/pyx/pyx/graph/axis/parter.py

Modified: trunk/pyx/CHANGES
===================================================================
--- trunk/pyx/CHANGES	2006-09-14 18:15:42 UTC (rev 2852)
+++ trunk/pyx/CHANGES	2006-09-15 16:09:42 UTC (rev 2853)
@@ -95,6 +95,8 @@
   - graph modules:
     - axis module:
       - painter: don't insert axis title twice (thanks to Tim Gray for reporting this problem)
+      - parter: extend the logarithmic parter to calculate automatic partitions for huge ranges
+        (TODO: documentation of the new autoexponent parameter) (suggested by Dominic Ford)
     - graph styles:
       - optional textdx/textdy columns to the text style added
       - arrowpos parameter to the arrow style added

Modified: trunk/pyx/pyx/graph/axis/parter.py
===================================================================
--- trunk/pyx/pyx/graph/axis/parter.py	2006-09-14 18:15:42 UTC (rev 2852)
+++ trunk/pyx/pyx/graph/axis/parter.py	2006-09-15 16:09:42 UTC (rev 2853)
@@ -199,10 +199,6 @@
     """partitioner to create a single logarithmic parition"""
 
     # define some useful constants
-    pre1exp5   = preexp([tick.rational((1, 1))], 100000)
-    pre1exp4   = preexp([tick.rational((1, 1))], 10000)
-    pre1exp3   = preexp([tick.rational((1, 1))], 1000)
-    pre1exp2   = preexp([tick.rational((1, 1))], 100)
     pre1exp    = preexp([tick.rational((1, 1))], 10)
     pre125exp  = preexp([tick.rational((1, 1)), tick.rational((2, 1)), tick.rational((5, 1))], 10)
     pre1to9exp = preexp([tick.rational((x, 1)) for x in range(1, 10)], 10)
@@ -279,48 +275,35 @@
 
                        ([logarithmic.pre1exp,      # ticks
                          logarithmic.pre1to9exp],  # subticks
-                        None),                     # labels like ticks
-
-                       ([logarithmic.pre1exp2,     # ticks
-                         logarithmic.pre1exp],     # subticks
-                        None),                     # labels like ticks
-
-                       ([logarithmic.pre1exp3,     # ticks
-                         logarithmic.pre1exp],     # subticks
-                        None),                     # labels like ticks
-
-                       ([logarithmic.pre1exp4,     # ticks
-                         logarithmic.pre1exp],     # subticks
-                        None),                     # labels like ticks
-
-                       ([logarithmic.pre1exp5,     # ticks
-                         logarithmic.pre1exp],     # subticks
                         None)]                     # labels like ticks
 
-    def __init__(self, variants=defaultvariants, extendtick=0, extendlabel=None, epsilon=1e-10):
+    def __init__(self, variants=defaultvariants, extendtick=0, extendlabel=None, autoexponent=10, epsilon=1e-10):
         self.variants = variants
-        if len(variants) > 2:
-            self.variantsindex = divmod(len(variants), 2)[0]
-        else:
-            self.variantsindex = 0
         self.extendtick = extendtick
         self.extendlabel = extendlabel
+        self.autoexponent = autoexponent
         self.epsilon = epsilon
 
     def partfunctions(self, min, max, extendmin, extendmax):
         return [lambda d=_partdata(min=min, max=max, extendmin=extendmin, extendmax=extendmax,
-                                   sign=1, variantsindex=self.variantsindex-1):
-                       self.partfunction(d),
+                                   variantsindex=len(self.variants)):
+                       self.variantspartfunction(d),
                 lambda d=_partdata(min=min, max=max, extendmin=extendmin, extendmax=extendmax,
-                                   sign=-1, variantsindex=self.variantsindex):
-                       self.partfunction(d)]
+                                   exponent=self.autoexponent):
+                       self.autopartfunction(d)]
 
-    def partfunction(self, data):
-        data.variantsindex += data.sign
-        if 0 <= data.variantsindex < len(self.variants):
+    def variantspartfunction(self, data):
+        data.variantsindex -= 1
+        if 0 <= data.variantsindex:
             logarithmicparter= logarithmic(tickpreexps=self.variants[data.variantsindex][0], labelpreexps=self.variants[data.variantsindex][1],
                                            extendtick=self.extendtick, extendlabel=self.extendlabel, epsilon=self.epsilon)
             return logarithmicparter.partfunctions(min=data.min, max=data.max, extendmin=data.extendmin, extendmax=data.extendmax)[0]()
         return None
 
+    def autopartfunction(self, data):
+        data.exponent *= self.autoexponent
+        logarithmicparter= logarithmic(tickpreexps=[preexp([tick.rational((1, 1))], data.exponent), logarithmic.pre1exp],
+                                       extendtick=self.extendtick, extendlabel=self.extendlabel, epsilon=self.epsilon)
+        return logarithmicparter.partfunctions(min=data.min, max=data.max, extendmin=data.extendmin, extendmax=data.extendmax)[0]()
+
 autolog = autologarithmic


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[PyX-checkins] SF.net SVN: pyx: [2852] trunk/pyx/pyx/dvifile.py

[<joergl@us...>]

Revision: 2852
          http://svn.sourceforge.net/pyx/?rev=2852&view=rev
Author:   joergl
Date:     2006-09-14 11:15:42 -0700 (Thu, 14 Sep 2006)

Log Message:
-----------
- be more verbose when errors in fontmapping files occurs
- open fontmapping in universal newline mode

Modified Paths:
--------------
    trunk/pyx/pyx/dvifile.py

Modified: trunk/pyx/pyx/dvifile.py
===================================================================
--- trunk/pyx/pyx/dvifile.py	2006-08-16 08:42:13 UTC (rev 2851)
+++ trunk/pyx/pyx/dvifile.py	2006-09-14 18:15:42 UTC (rev 2852)
@@ -326,7 +326,7 @@
                     tokens.append(match.groups()[2])
                 s = s[match.end():]
             else:
-                raise RuntimeError("wrong syntax")
+                raise RuntimeError("Cannot tokenize string '%s'" % s)
 
         for token in tokens:
             if token.startswith("<"):
@@ -342,7 +342,7 @@
                 elif token.endswith(".ttf"):
                     raise UnsupportedFontFormat("TrueType font")
                 else:
-                    raise RuntimeError("wrong syntax")
+                    raise RuntimeError("Unknown token '%s'" % token)
             elif token.startswith('"'):
                 pscode = token[1:-1].split()
                 # parse standard postscript code fragments
@@ -384,7 +384,7 @@
             mappath = pykpathsea.find_file(filename, pykpathsea.kpse_dvips_config_format)
         if not mappath:
             raise RuntimeError("cannot find font mapping file '%s'" % filename)
-        mapfile = open(mappath, "r")
+        mapfile = open(mappath, "rU")
         lineno = 0
         for line in mapfile.readlines():
             lineno += 1
@@ -393,7 +393,7 @@
                 try:
                     fm = fontmapping(line)
                 except (RuntimeError, UnsupportedPSFragment), e:
-                    warnings.warn("Ignoring line %i in mapping file '%s': %s" % (lineno, filename, e))
+                    warnings.warn("Ignoring line %i in mapping file '%s': %s" % (lineno, mappath, e))
                 except UnsupportedFontFormat, e:
                     pass
                 else:


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