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This is the list of Frequently Asked Questions about Asymptote (asy).
<h1>
Index
</h1>
<ul>
<li><b><font size="+2"><a href="section1.html" rel=subdocument>Section 1. About Asymptote</a></font></b>
<li><a href="section1.html#whatisasy" rel=subdocument>Q1.1. What is Asymptote?</a>
<li><a href="section1.html#whereisasy" rel=subdocument>Q1.2. How do I obtain Asymptote?</a>
<li><a href="section1.html#beforeasking" rel=subdocument>Q1.3. Where can I ask questions about Asymptote?
</a>
<li><a href="section1.html#whyasy" rel=subdocument>Q1.4. Why was the name Asymptote chosen?</a>
<li><a href="section1.html#whycamp" rel=subdocument>Q1.5. In the internal Asymptote source code, what does the name
<code>camp</code> refer to?</a>
<br><br><li><b><font size="+2"><a href="section2.html" rel=subdocument>Section 2. Questions about installation and setup</a></font></b>
<li><a href="section2.html#osx" rel=subdocument>Q2.1. Is it possible to install Asymptote on Mac OS
X?</a>
<li><a href="section2.html#osxbadCPU" rel=subdocument>Q2.2. Why do I get the error <code>Bad CPU type in executable</code> on installing Asymptote from the MAC OS
binary?</a>
<li><a href="section2.html#brokenpdftex" rel=subdocument>Q2.3. What do I do if I get the error: <code>Error: pdfetex (file pdftex.cfg): cannot open config
file...texinfo.tex appears to be broken</code>?</a>
<li><a href="section2.html#brokentexinfo" rel=subdocument>Q2.4. What do I do if I get the error: <code>! Undefined control sequence. l.6 @copying</code>?</a>
<li><a href="section2.html#latexintegration" rel=subdocument>Q2.5. Is it possible to integrate Asymptote into
LaTeX?</a>
<li><a href="section2.html#pdflatex" rel=subdocument>Q2.6. Is it possible to integrate Asymptote into latex or
pdflatex?</a>
<li><a href="section2.html#tkinterdepend" rel=subdocument>Q2.7. Do I need the <code>tkinter</code> package to install an Asymptote rpm binary?</a>
<li><a href="section2.html#windir" rel=subdocument>Q2.8. What does the path <code>%USERPROFILE%\.asy\config.asy</code> mean?</a>
<li><a href="section2.html#escapechar" rel=subdocument>Q2.9. Why do I get the error "string not terminated" when I try to
set <code>settings.dir="C:\asymptote\";</code>?</a>
<li><a href="section2.html#winglobal" rel=subdocument>Q2.10. How do I change environment variables in Microsoft Windows, for
example, in order to change the default PostScript
viewer?</a>
<li><a href="section2.html#convert" rel=subdocument>Q2.11. Under Microsoft Windows XP, why do I get an error like "Invalid
Parameter - 432x432"?</a>
<li><a href="section2.html#miktex" rel=subdocument>Q2.12. Why does Asymptote freeze upon trying to draw a label with my MikTex
installation under Microsoft Windows?</a>
<br><br><li><b><font size="+2"><a href="section3.html" rel=subdocument>Section 3. Questions about paths</a></font></b>
<li><a href="section3.html#tensionsyntax" rel=subdocument>Q3.1. Why do I get a syntax error message when I specify an integer value
for the path tension?</a>
<li><a href="section3.html#dots" rel=subdocument>Q3.2. Shouldn't dots always be the same size?</a>
<br><br><li><b><font size="+2"><a href="section4.html" rel=subdocument>Section 4. Questions about labels</a></font></b>
<li><a href="section4.html#greek" rel=subdocument>Q4.1. How do I get Greek letters like omega to show up in my
labels?</a>
<li><a href="section4.html#matlabels" rel=subdocument>Q4.2. Can Asymptote use matrices as labels?</a>
<li><a href="section4.html#latexpackage" rel=subdocument>Q4.3. How do I tell Asymptote to load a particular LaTeX package, like
<code>mathptmx</code>?</a>
<li><a href="section4.html#internatfonts" rel=subdocument>Q4.4. How can I use international fonts in Asymptote
labels?</a>
<li><a href="section4.html#Fourier" rel=subdocument>Q4.5. How can I use Fourier fonts? </a>
<li><a href="section4.html#decsep" rel=subdocument>Q4.6. Is there any way to change the default appearance of the decimal
separator, using a comma instead of a dot?</a>
<li><a href="section4.html#rotatelabel" rel=subdocument>Q4.7. How can I get a rotated label with the filled box rotated as well so
that it fits the text? </a>
<li><a href="section4.html#rotatelabel3D" rel=subdocument>Q4.8. How can I rotate labels in a 3D figure?</a>
<li><a href="section4.html#fixedsize" rel=subdocument>Q4.9. How can I draw some squares and circles of a fixed size and put a
label in the middle of them?</a>
<li><a href="section4.html#colorssaturation" rel=subdocument>Q4.10. The binary operator * can be used to scale the color of a pen by a
real number. Does this scaling factor have to be less than
1?</a>
<li><a href="section4.html#commadecimalseparator" rel=subdocument>Q4.11. Why is the space after the comma decimal separator in my locale so
large?</a>
<li><a href="section4.html#hyperref" rel=subdocument>Q4.12. How can I prevent <code>texpreamble("\usepackage[pdftex]{hyperref}")</code> from changing the page size?</a>
<br><br><li><b><font size="+2"><a href="section5.html" rel=subdocument>Section 5. Questions about arrows</a></font></b>
<li><a href="section5.html#doublearrows" rel=subdocument>Q5.1. How do I draw two arrows at arbitrary positions along a
path?</a>
<li><a href="section5.html#reversearrow" rel=subdocument>Q5.2. How do I reverse the direction of an arrowhead?</a>
<li><a href="section5.html#reversearrow" rel=subdocument>Q5.3. How do I change the size of all arrows?</a>
<li><a href="section5.html#arrowhead" rel=subdocument>Q5.4. Can I create other arrowhead styles?</a>
<br><br><li><b><font size="+2"><a href="section6.html" rel=subdocument>Section 6. Questions about 2D graphs</a></font></b>
<li><a href="section6.html#axisticks" rel=subdocument>Q6.1. How can I draw x axis ticks on the right side, with the tick labels on
the left side (relative to the axis path)?</a>
<li><a href="section6.html#axislabel" rel=subdocument>Q6.2. How can I reposition the x axis label to three-quarters along the axis
length?</a>
<li><a href="section6.html#axislabeldown" rel=subdocument>Q6.3. How can I move the x axis label down 10bp?</a>
<li><a href="section6.html#threeaxispens" rel=subdocument>Q6.4. Can I use different pens for the axis, the axis label, and the tick
labels?</a>
<li><a href="section6.html#axislabelfont" rel=subdocument>Q6.5. How can I change the font type of the axes
label?</a>
<li><a href="section6.html#axisticklabelfont" rel=subdocument>Q6.6. How can I change the font type of the tick labels on an
axis?</a>
<li><a href="section6.html#overlappingticklabels" rel=subdocument>Q6.7. How can I prevent axes tick labels from rendering on top of each
other?</a>
<li><a href="section6.html#fixedsizegraphs" rel=subdocument>Q6.8. How do I make the plot region of a graph, ignoring labels and legends,
have a fixed size?</a>
<li><a href="section6.html#graphlimits" rel=subdocument>Q6.9. How can I plot a function f(x) within [0,1]x[0,2] without explicitly
calculating the x values for which f(x) hits the
boundary?</a>
<li><a href="section6.html#custompalettes" rel=subdocument>Q6.10. Is it possible to define customized palettes?</a>
<li><a href="section6.html#factorial" rel=subdocument>Q6.11. Is there an easy way to graph factorial functions
nicely?</a>
<li><a href="section6.html#length" rel=subdocument>Q6.12. How do I indicate that a certain length should be exactly the size I
prescribe with no rescaling, within a picture which has its own
size?</a>
<li><a href="section6.html#log2" rel=subdocument>Q6.13. How can I make the y axis display base-2 logarithmic
values?</a>
<li><a href="section6.html#align" rel=subdocument>Q6.14. How can I align the x axes of two graphs on the same
figure?</a>
<li><a href="section6.html#changeaxis" rel=subdocument>Q6.15. How can I change the direction of the y-axis, such that negatives
values are on the upper y-axis?</a>
<li><a href="section6.html#functioncolor" rel=subdocument>Q6.16. How can I fill a path with a function that defines the color of each
location?</a>
<li><a href="section6.html#nonexplicitfun" rel=subdocument>Q6.17. Is there a way to draw a function that is not explicitly given, such
as (y - 2)^2 = x - 1 ?</a>
<li><a href="section6.html#scalesecondaryaxis" rel=subdocument>Q6.18. Is it possible to reverse or stretch an axis?</a>
<li><a href="section6.html#emptymarkers" rel=subdocument>Q6.19. Why can't I use the UnFill option to draw graphs with empty
markers?</a>
<li><a href="section6.html#paletterange" rel=subdocument>Q6.20. How can I force several images to use the same palette range (e.g. the
entire 0-255 grayscale range)?</a>
<br><br><li><b><font size="+2"><a href="section7.html" rel=subdocument>Section 7. Questions about programming</a></font></b>
<li><a href="section7.html#comporint" rel=subdocument>Q7.1. Is Asymptote an interpreter or a compiler?
</a>
<li><a href="section7.html#framepicture" rel=subdocument>Q7.2. What is the difference between a frame and a picture?
</a>
<li><a href="section7.html#pathguide" rel=subdocument>Q7.3. What is the difference between a path and a guide?
</a>
<li><a href="section7.html#picarray" rel=subdocument>Q7.4. What is a convenient way to declare and initialize an array of
pictures?</a>
<li><a href="section7.html#genarrays" rel=subdocument>Q7.5. Is there a way to define functions that act on arrays in general (i.e.
work for arrays of any type)?</a>
<li><a href="section7.html#cirdep" rel=subdocument>Q7.6. Is there any way to declare structures ahead of their definition, e.g.
where struct A performs some operation on struct B, but B contains an
A member?</a>
<li><a href="section7.html#static" rel=subdocument>Q7.7. Where are static variables in for loops allocated?</a>
<li><a href="section7.html#debug" rel=subdocument>Q7.8. Is there a debugger for asy?</a>
<li><a href="section7.html#patches" rel=subdocument>Q7.9. Do you accept patches for Asymptote?</a>
<br><br><li><b><font size="+2"><a href="section8.html" rel=subdocument>Section 8. Questions about differences between Asymptote and
MetaPost</a></font></b>
<li><a href="section8.html#interp" rel=subdocument>Q8.1. What is the equivalent of the MetaPost c[a,b] interpolation operator?
</a>
<li><a href="section8.html#automaticscaling" rel=subdocument>Q8.2. How does picture scaling differ in Asymptote and
MetaPost?</a>
<li><a href="section8.html#manualscaling" rel=subdocument>Q8.3. How can I avoid automatic scaling of a picture?</a>
<li><a href="section8.html#mp3dots" rel=subdocument>Q8.4. What is the equivalent of MetaPost ... command?</a>
<li><a href="section8.html#mppickup" rel=subdocument>Q8.5. What is the equivalent of the MetaPost pickup
command?</a>
<li><a href="section8.html#whatever" rel=subdocument>Q8.6. What is the equivalent of the MetaPost whatever
command?</a>
<li><a href="section8.html#lray" rel=subdocument>Q8.7. What is the equivalent for the MetaPost command for
<code>lray - horiz*v - verti*u = whatever*(LightSource -
R)</code>, a system of three linear equations for three unknowns:
<code>horiz, verti, whatever</code>?</a>
<li><a href="section8.html#unitsizes" rel=subdocument>Q8.8. In MetaPost, it is possible to have a drawing remain the same size in
different pictures by defining a unit <code>u</code> and explicitly multiply all the coordinates by
<code>u</code>. Is there a better way to do this in Asymptote?</a>
<li><a href="section8.html#tiles" rel=subdocument>Q8.9. In MetaPost, one could produce tiling pictures by generating a
picture, and then clipping the picture to a rectangle of fixed
dimensions around the center of the picture. How is that done in
Asymptote?</a>
<br><br><li><b><font size="+2"><a href="section9.html" rel=subdocument>Section 9. Questions about output</a></font></b>
<li><a href="section9.html#psviewer" rel=subdocument>Q9.1. How can I disable automatic invocation of the PS viewer after an asy
file is done processing?</a>
<li><a href="section9.html#jpeg" rel=subdocument>Q9.2. How do I output jpeg images?</a>
<li><a href="section9.html#embedbitmaps" rel=subdocument>Q9.3. Can I embed bitmaps (photos) into my drawings and position and scale
them? </a>
<li><a href="section9.html#directpdf" rel=subdocument>Q9.4. Does Asymptote support direct PDF output?</a>
<li><a href="section9.html#bigpictures" rel=subdocument>Q9.5. How to I produce large pictures of high quality in raster format (e.g.
png, giff etc). </a>
<li><a href="section9.html#multipage" rel=subdocument>Q9.6. Is it possible to produce multi-page documents with asymptote?
</a>
</ul><hr>
<address>
<A href="http://asymptote.sourceforge.net">Asymptote</A>
- 24 March 2017
</address><br>
Extracted from Asymptote Frequently Asked Questions,
Copyright © 2017 .
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