replaced some tabs, added copyable spaces to lstlistings

doc/main.tex

@@ -85,6 +85,10 @@
 \definecolor{remark}{rgb}{1.0, 0.9, 0.9}
 \definecolor{remarkframe}{rgb}{1.0, 0.7, 0.7}
 
+% requires the latest version of package accsupp
+\usepackage[space=true]{accsupp}
+\newcommand{\copyablespace}{\BeginAccSupp{method=hex,unicode,ActualText=00A0}\ \EndAccSupp{}}
+
 % Listings settings
 \lstset{
     basicstyle = \small\ttfamily\raggedright,
@@ -95,7 +99,7 @@
     backgroundcolor = \color{lstshade},
     rulecolor = \color{lstframe},
     tabsize = 4,
-	columns = flexible,
+    columns = fullflexible,
     keepspaces,
     belowskip = \smallskipamount,
     framerule = .7pt,
@@ -103,7 +107,10 @@
     showstringspaces = false,
     keywordstyle = \bfseries,
     captionpos = b,
-	upquote = true
+    upquote = true,
+    literate={*}{{\char42}}1
+             {-}{{\char45}}1
+             {\ }{{\copyablespace}}1
 }
 
 \lstdefinelanguage{xml} {

doc/python.tex

@@ -810,3 +810,32 @@ Suppose that \code{bitmap} contains a \code{mitsuba.core.Bitmap} instance (e.g.
 import numpy as np
 array = np.array(bitmap.getNativeBuffer())
 \end{python}
+
+\subsubsection{Simultaneously rendering multiple versions of a scene}
+\begin{python}
+for i in range(2):
+    destination = 'renderedResult' + str(i)
+
+    # Create a shallow copy of the scene so that the queue can tell apart the two
+    # rendering processes. This takes almost no extra memory
+    newScene = Scene(scene)
+
+    newSensor = PluginManager.getInstance().createObject(scene.getSensor().getProperties())
+    newFilm = PluginManager.getInstance().createObject(scene.getFilm().getProperties())
+    newFilm.configure()
+    newSensor.addChild(newFilm)
+    newSensor.configure()
+    newScene.addSensor(newSensor)
+    newScene.setSensor(newSensor)
+    newScene.setSampler(scene.getSampler())
+    newScene.setDestinationFile(destination)
+
+    # Create a render job and insert it into the queue
+    job = RenderJob('myRenderJob' + str(i), newScene, queue, sceneResID)
+    job.start()
+
+# Wait for all jobs to finish and release resources
+# It works when this is moved in the loop when only one job at a time is started
+queue.waitLeft(0)
+queue.join()
+\end{python}