"SfR Fresh" - the SfR Freeware/Shareware Archive

Member "epix-1.2.5/samples/README" of archive epix-1.2.5.tar.gz:

    1 ePiX -- samples/README
    2 
    3 Last Change: October 23, 2007
    4 
    5 This directory contains sample files. Files with extension ".flx" may
    6 be compiled like xp files with epix or elaps, or converted to gif or
    7 mng animations with flix.
    8 
    9 
   10 artifacts.xp
   11   Interaction between coarse and fine meshes in shade surface plotting.
   12 
   13 binom.cc:
   14   Generates pseudo-random data for histogram.xp
   15 
   16 bowl.xp:
   17   Quasi-realistic colored surface shading.
   18 
   19 butterfly.xp:
   20   A Thom catastrophe graph.
   21 
   22 calculus.xp:
   23   Plotting derivatives and definite integrals.
   24 
   25 clipping.xp:
   26   Clipping, shaded surfaces, and fake transparency.
   27 
   28 color_sep.xp:
   29   Color separation.
   30 
   31 conic.xp:
   32   Envelopes and tangent lines; projective equivalence of a parabola
   33   with a circle.
   34 
   35 contour.xp:
   36   Building a path from sub-paths.
   37 
   38 coord_tricks.xp:
   39   Using page layout to achieve broken axes.
   40 
   41 cropplot.xp
   42   Graphing functions with singularities.
   43 
   44 cube.flx:
   45   Stereoscopic (3-D glasses) movie of a rotating cube.
   46 
   47 dataplot.xp:
   48   Scatter plots, histograms, and page layout.
   49 
   50 decorate.xp:
   51   Decorated shaded surface (see file for compiling).
   52 
   53 demoivre.xp:
   54   Loops; a geometric proof of deMoivre's formula.
   55 
   56 densityplot.xp:
   57   A gray-shaded interference pattern.
   58 
   59 dipole.xp:
   60   Plotting flow lines and isobars.
   61 
   62 denom.xp:
   63   Loops and gcd; Thomae's function with discontinuity set Q.
   64 
   65 extract.xp:
   66   A magnified inset using screen::extract; an unexpected tangent line.
   67 
   68 geomsum.xp:
   69   Loops and color filling.
   70 
   71 golden_rect.xp:
   72   Simple use of variables; constructing a golden rectangle.
   73 
   74 helicoid.flx:
   75   Isometric deformation of a catenoid to a helicoid.
   76 
   77 hello.xp:
   78   My First Figure, from the manual.
   79 
   80 histogram.xp:
   81   Histograms of simulated coin tosses (data from binom.cc).
   82 
   83 house.flx:
   84   Color semantics; sun setting on a simple house.
   85 
   86 hyperboloid.xp:
   87   Clipping, shaded surfaces; two families of rulings on a hyperboloid.
   88 
   89 inverse.xp:
   90   Screen affine operations; inverse functions.
   91 
   92 koch.xp:
   93   The von Koch snowflake fractal.
   94 
   95 label_debug.xp:
   96   Format debugging tests for labels, draws 32 attribute combinations.
   97 
   98 layout2.xp:
   99   Page layout; flow lines of a planar vector field.
  100   
  101 layout.xp:
  102   Page layout; six views of the square root Riemann surface.
  103 
  104 legend.xp:
  105   Axes and legends; Taylor polynomials of sin x.
  106 
  107 levelset.xp:
  108   Clipping and plotting; manual level curves on a saddle.
  109 
  110 levelset2.xp:
  111   "Advanced" clipping; level bands on a monkey saddle.
  112 
  113 levelset3.xp:
  114   Clipping and legends; flat-shaded level bands wth matching legend.
  115 
  116 lissajous.xp:
  117   A Lissajous figure with arrows.
  118 
  119 lighting.h: Classes for lighting effects and color-shaded surfaces.
  120   (lighting.flx illustrates use.)
  121 
  122 line_debug.xp:
  123   Format debugging tests for paths, draws 32 attribute combinations.
  124 
  125 log.xp:
  126   Object hiding with paths and surfaces; the Riemann surface of log.
  127 
  128 lorenz.xp:
  129   Page layout, ode_plot; the Lorenz attractor and its 3-D vector field.
  130 
  131 medians.xp:
  132   Euclidean geometry; medians and altitudes of a triangle.
  133 
  134 minkowski.xp:
  135   A longitudinal slice of Minkowski space R^{2,1}.
  136 
  137 mirrorball.flx:
  138   The circle class and intersections; 3-D stereographic movie.
  139 
  140 newton.xp:
  141   Loops; root location by Newton's method.
  142 
  143 objects.xp:
  144   Simple geometric objects; 2-D landscape.
  145 
  146 oscillator.xp:
  147   Graphing, user-defined elements, and page layout.
  148 
  149 parabola.xp:
  150   A basic plot.
  151 
  152 pascal.xp:
  153   Intersection operators; Pascal's theorem in projective geometry.
  154 
  155 pendulum.flx:
  156   Phase diagram of an undamped pendulum.
  157 
  158 planes.xp:
  159   Manipulating objects, clipping; a stack of plane sections of a cube.
  160 
  161 plotting2.xp:
  162   Surface plotting in PSTricks; from the manual.
  163 
  164 plotting3.xp:
  165   Loops and color control; from the manual.
  166 
  167 plotting.xp:
  168   A basic plot; from the manual.
  169 
  170 polar.xp:
  171   Polar plotting.
  172 
  173 pole.xp:
  174   Clipping a plot; the real part of a first-order pole.
  175 
  176 polyhedra.xp:
  177   Spherical regular polyhedra. Compilation controlled with
  178   pre-processor flags, e.g., "epix -DCOLOR -DDODECA polyhedra.xp".
  179 
  180 R_demo.xp:
  181   Gaussians from the R demo.
  182 
  183 riemann.flx:
  184   Rotating the Riemann surface of sqrt(z) in R^4.
  185 
  186 S2_harmonics.xp:
  187   Domain-dependent surface shading (color function depends on two
  188   variables), page layout; the spherical harmonic Y_3^0. (Compile with
  189   "epix -DY20 S2_harmonics.xp" for Y_2^0.)
  190 
  191 saddle.xp:
  192   A quadratic saddle using "surface" capabilities.
  193 
  194 semicirc.xp:
  195   A simple figure using variables and a function for organization.
  196 
  197 shadeplot.xp:
  198   Shading regions enclosed by graphs; the fundamental theorem of calculus.
  199 
  200 slopefield.xp:
  201   A slope field and flow lines.
  202 
  203 sphere.xp:
  204   Plotting curves and latitudes/longitudes; loxodromes.
  205 
  206 spherical.xp:
  207   Scenery (multiple shaded surfaces); spherical coordinates.
  208 
  209 sqrt.xp:
  210   Domains and selective plotting; the Riemann surface of sqrt(z).
  211 
  212 sqrt2.xp:
  213   Domains, selective plotting, and change of style in a single plot.
  214 
  215 std_F.cc, std_F.h:
  216   Extensively-commented library code for depicting 2-D affine maps.
  217 
  218 std_F.xp:
  219   Sample file illustrating the use of external libraries. Contains
  220   instructions on building a library from std_F.cc.
  221 
  222 steiner.flx:
  223   Steiner's Roman surface, rotating.
  224 
  225 steiner2.flx:
  226   Steiner's Roman surface sliced, with slice direction rotating.
  227 
  228 stereo_proj.flx:
  229   The image of a rotating half-sphere under stereographic projection.
  230 
  231 surface_shade.xp:
  232   Position-dependent surface shading. (Color function depends on three
  233   variables.)
  234 
  235 symmetries.xp:
  236   Affine maps and layout; the symmetry group S_3 acting on a regular
  237   hexagon.
  238 
  239 tori.xp:
  240   Clipping and cropping, page layout.
  241 
  242 torus.xp:
  243   Domains and selective plotting.
  244 
  245 trig.flx:
  246   Trigonometric functions.
  247 
  248 twisted_cubic.xp:
  249   Page layout; a crossed-eyes stereogram of the twisted cubic.
  250 
  251 uppersum.xp:
  252   Riemann sums.
  253 
  254 vfield.xp:
  255   3-D vector field plotting.
  256 
  257 weierstrass.xp:
  258   Loops; a Weierstrass nowhere-differentiable function.
  259 
  260 wheel.xp:
  261   Page layout; a cycloid at successive times.