// POV-Ray 3.7 Scene File "hyperbola.pov" // author: Friedrich A. Lohmueller // date: May 2005 / Dec 2013 // www.f-lohmueller.de/ //------------------------------------------------------------------------ // Choose image_size by Wählen Sie die Bildgröße, indem // adding to the commandline: sie in der Kommandozeile einfügen: // // +h700 +w700 // //------------------------------------------------------------------------ #version 3.7; global_settings{ assumed_gamma 1.0 } #default{ finish{ ambient 0.1 diffuse 0.9 }} //------------------------------------------------------------------------ //------------------------------------------------------------------------ #include "colors.inc" #include "textures.inc" //------------------------------------------------------------------------ #declare Camera_0 = camera { perspective location < 0.00, 0.00,-40.0> look_at < 0.00, 0.00, 0.00> angle 15.7 right x*image_width/image_height } camera{Camera_0} //------------------------------------------------------------------------ // sun ------------------------------------------------------------------- light_source{<1000,1000,-2500> color White} // sky ------------------------------------------------------------------- sky_sphere{ pigment{ gradient <0,1,0> color_map{ [0 color rgb<1,1,1> ]//White [0.4 color rgb<0.14,0.14,0.56>]//~Navy [0.6 color rgb<0.14,0.14,0.56>]//~Navy [1.0 color rgb<1,1,1> ]//White } scale 2 } } // end of sky_sphere //------------------------------------------------------------------------ //------------------------------ the Axes -------------------------------- //------------------------------------------------------------------------ #macro Axis( AxisLen, Dark_Texture, Light_Texture) union{ cylinder { <0,-AxisLen-0.5,0>,<0,AxisLen,0>,0.035 texture{checker texture{Dark_Texture } texture{Light_Texture} translate<0.1,0,0.1>} } cone{<0,AxisLen,0>,0.15,<0,AxisLen+0.45,0>,0 texture{Dark_Texture} } } // end of union #end // of macro "Axis()" //------------------------------------------------------------------------ #macro AxisXY( AxisLenX, AxisLenY, Tex_Dark, Tex_Light) //--------------------- drawing of 3 Axes -------------------------------- union{ #if (AxisLenX != 0) object { Axis(AxisLenX, Tex_Dark, Tex_Light) rotate< 0,0,-90>}// x-Axis text { ttf "arial.ttf", "x", 0.15, 0 texture{Tex_Dark} scale 0.5 translate } text { ttf "arial.ttf", "1", 0.15, 0 texture{Tex_Dark} scale <0.6,0.35,0.6> translate <1.05,-0.35,-0.02>} text { ttf "arial.ttf", "5", 0.15, 0 texture{Tex_Dark} scale <0.6,0.35,0.6> translate <5.05,-0.4,-0.02>} text { ttf "arial.ttf", "-5", 0.15, 0 texture{Tex_Dark} scale <0.6,0.35,0.6> translate <-5.20,-0.35,-0.02>} #end // of #if #if (AxisLenY != 0) object { Axis(AxisLenY, Tex_Dark, Tex_Light) rotate< 0,0, 0>}// y-Axis text { ttf "arial.ttf", "y", 0.15, 0 texture{Tex_Dark} scale 0.5 translate <-0.35,AxisLenY+0.15,-0.05>} text { ttf "arial.ttf", "1", 0.15, 0 texture{Tex_Dark} scale <0.6,0.35,0.6> translate <-0.25,0.7,-0.02>} text { ttf "arial.ttf", "5", 0.15, 0 texture{Tex_Dark} scale <0.6,0.35,0.6> translate <-0.35,4.7,-0.02>} text { ttf "arial.ttf", "-5", 0.15, 0 texture{Tex_Dark} scale <0.6,0.35,0.6> translate <-0.65,-5.3,-0.02>} #end // of #if } // end of union #end// of macro "AxisXY( ... )" //------------------------------------------------------------------------- #declare Texture_A_Dark = texture { pigment{color rgb<1,0.05,0>} finish {ambient 0.1 diffuse 0.6 phong 1} } #declare Texture_A_Light = texture { pigment{color rgb<1,0.55,0.3>} finish {ambient 0.1 diffuse 0.6 phong 1} } object{ AxisXY( 5.0, 5.0, Texture_A_Dark, Texture_A_Light)} //-------------------------------------------------- end of coordinate axes // ground ----------------------------------------------------------------- //---------------------------------<<< settings of squared plane dimensions #declare RasterScale = 0.5; #declare RasterHalfLine = 0.035; #declare RasterHalfLineY = 0.035; //------------------------------------------------------------------------- #macro Raster(RScale, HLine) pigment{ gradient x scale RScale color_map{[0.000 color rgbt<1,1,1,0>*0.5] [0+HLine color rgbt<1,1,1,0>*0.5] [0+HLine color rgbt<1,1,1,1>] [1-HLine color rgbt<1,1,1,1>] [1-HLine color rgbt<1,1,1,0>*0.5] [1.000 color rgbt<1,1,1,0>*0.5]} } finish { ambient 0.15 diffuse 0.85} #end// of Raster(RScale, HLine)-macro //------------------------------------------------------------------------- plane { <0,1,0>, 0 // plane with layered textures texture { pigment{color White*1.1} finish {ambient 0.45 diffuse 0.85}} texture { Raster(RasterScale,RasterHalfLine ) rotate<0,0,0> } texture { Raster(RasterScale,RasterHalfLineY) rotate<0,90,0>} rotate<-90,0,0> } //------------------------------------------------ end of squared plane XY //-------------------------------------------------------------------------- //--------------------------- scenery objects --------------------------- //-------------------------------------------------------------------------- //------------------------------------------------------------------------ // Choose image_size by Wählen Sie die Bildgröße, indem // adding to the commandline: sie in der Kommandozeile einfügen: // (2nd white field on top (zweites weißes Feld oben im // of the POV-Ray editor!) POV-Ray Editor!) // // +h700 +w700 // //------------------------------------------------------------------------ #default{ finish {ambient 0.15 diffuse 0.85} } // // // union{ #declare X = -5.5; // start X attention: x != X use capital letter X #declare EndX = 5.5; // end X #while ( X < EndX ) // Drawing of the "points"< X / f(X) >: // Zeichnen der "Punkte" ( X / f(X) ): // Color - Farbe //< X, f(X) ,0>} sphere{ <0,0,0>,0.025 pigment{ color Red } translate< X, 1/4*3/(X-2)-1 ,0>} // Note: Avoiding a "division by zero" error with // "#if ( (X - 2 != 0) ) ... #end" is not necessary in POV-Ray !!! // next step: #declare X = X + 0.002; // next Nr <<<-- increase this value if you have not enough RAM // or if your computer is too slow! #end // --------------- end of loop } // end of union //.................................................. cylinder { <0,-6,0>,<0,6,0>,0.025 translate< 2,0,0> pigment { color Green*0.75} } // end of cylinder cylinder { <-6,0,0>,<6,0,0>,0.025 translate< 0,-1,0> pigment { color Green*0.75} } // end of cylinder //------------------------------------------------------------------------------------ end