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<p class="Question">How do I make a visible light source? or: Although I put the camera just in front of my lig ...e light is coming, ie. there is nothing there, only empty space. It's just a kind of mathematical point POV-Ray uses to make shading calculations.</p>

<p>Sometimes we want to make an object that does not have perfectly sharp edges like a box does. Then, the superquadric ellipsoid shape made by the

hotspots</em> on the surface. This gave the sphere a hard, shiny appearance. <p>Rendering this we see a fairly broad, soft highlight that gives the sphere

a COLOR_VECTOR in the range of &lt;0,0,0&gt; ... &lt;1,1,0&gt; ...ylindrical camera also requires the <em>CAMERA_TYPE</em> to be followed by a float.</li>

textures. A plain texture has just one pigment, normal and finish statement. Even a pigment with a pigment map is still one pigment and thus considered a

containing hundreds or thousands of triangles. Compared to a simple union of mesh objects need only a little additional memory because the triangles are

* Material properties such as filtering, emission, translucency, subsurface scattering, glass fog (tinted * Image textures

<p><em>&quot;When I rotate an object, it dissapears from the image or moves very <p>It is a very good practice to define all objects centered at the origin

'''Radiosity''', also known as global illumination (GI), is one of the two methods POV-ray supports of sim ...us, likewise, not all of the light coming from an object is directly from a light source. The light we see may have been reflected many times by the s

understand. We need not be worried though if we do not know how to use ...kto>--->[[Documentation:Tutorial Section 2.1#Simple Texture Options|Simple Texture Options]]

If you have a question regarding commercial use or distribution of Please do not email us directly for technical support - use the below-mentioned forums. We generally do not answer emails requesting

<p>The beginning tutorial explains step by step how to use POV-Ray's scene description language to create your own scenes. The use of almost every

<!--REMOVE--->===Simple Texture Options===<!--THIS---> on the reflective properties of an object. Ray-tracing can exploit this by

<p>This document provides a tutorial for the Persistence of Vision Ray-Tracer&trade; is. It gives a brief overview of how to create ray-traced images.</li>

for light backgrounds. But what if we want a media which works with both type of <p>One solution for this is to use both types of medias inside the same object.

<!--REMOVE--->===SDL tutorial: A raytracer===<!--THIS---> <p>The idea is to raytrace a simple scene consisting of spheres and light

<p>There is more than one way to trace a ray. Sometimes there is a trade-off ...to specify the number of <em>work threads</em> to be used while rendering a scene. On Windows systems, the default is the number of detected cores. On

The Blender to POV-Ray add-on and vice versa (aka "Bpover") started out as a single Python file. ...nd ''mathutils'', to the embedded interpreter so they can be imported into a script and give access to Blender’s data, classes, and functions. Scripts

====Do Not Use Jitter Or Crand==== is an element of anti-aliasing, we could just as easily have mentioned this

<!--REMOVE--->===SDL tutorial: A raytracer===<!--THIS---> <p>The very first thing to do for calculating the lighting for a light source

with objects, and for creating special objects, such as bevelled text, spherical height fields, and possibly faster rendering as isosurfaces, but are still useful for two reasons: backwards

<!--REMOVE--->===Advanced Texture Options===<!--THIS---> <p>There are a couple limitations to all of the special textures we have seen

<p>The <code>warp</code> statement is a pattern modifier that is similar to pushing it about in a series of random steps. However warps push the point in

<p>POV-Ray often requires you to specify a <em>vector</em>. A vector is a set assume that the word <em>vector</em> means a three component vector.

...ting off of other objects fills in the shadows. Typically ray-tracing uses a trick called <em> ambient</em> light to simulate such effects but it is not <p>Radiosity calculations are only made when a <code>radiosity{}</code> block is used inside the <code>global_settings{}</

<p>Photon mapping is a technique which uses a forward ray-tracing a photon hits an object after passing through (or bouncing off of) the target

...your needs you can use an <code>image_map</code> to wrap a 2-D bit-mapped image around your 3-D objects.</p> ==Specifying an Image Map==

First, you have to know a little bit about how a picture is stored Unlike most image formats it does not store RGB values, but YUV

...o with raytracing. 3D-cards can't calculate typical features of raytracing as reflections etc. The algorithms used in 3D-cards have nothing to do with ra ...very FPU-consuming. You will get much more speed with a very fast FPU than a 3D-card.</p>

...st of the currently-available and wished for 'How To' articles. If you add a new article, please list and link it here. ...ns as Ogg Theora Video | How to: Encode animations as Ogg Theora Video]] (A non-proprietary video file format)

...ious things. The collection was originally compiled by [[User:Warp|Warp]] as the POV-VFAQ (''Very'' Frequently Asked Questions!).</p> :<li>[[KB:Language Questions and Tips#Topic 1|How do I make a visible light source? or: Although I put the camera just in front of my lig

<p>POV-Ray often requires you to specify a color. Colors consist of five primary colors red, green and blue using an additive color system like the

to answer all the questions I get asked on a daily basis from all My motivation for releasing the raytracer as Freely Distributable

<p class="Hint">A listing of various image and texture resource sites in alphabetical order.</p> ...ve.org/web/20080702135359/www.textureworld.com/Texture_Libraries/Store/ 3D Texture Libraries and Backgrounds from TextureWorld]

<p>The <code>global_settings</code> statement is a catch-all statement that gathers together a number of global parameters. The statement may appear

...defined by a <code>pigment</code> statement. All plain textures must have a pigment. If you do not specify one the default pigment is used. The color y ...code> default setting. The default setting is now <code>rgb <1,1,1></code> as opposed to the <code>rgb <0,0,0></code> value used in previous versions. Re

{{#indexentry:function, as pattern}} <p>Allows you to use a function { } block as pattern.</p>

...pattern</code> specifies an entire texture item (color, pigment, normal or texture) based on the gray value at that point.</p> ...ure at that particular point. For values between listed items, an averaged texture is calculated.</p>

<p class="Hint">A listing of texture editors and tools sites in alphabetical order.</p> ...veral 2D export formats are supported, and POV-Ray users will benefit from a powerful dedicated exporter.</p>

<p class="Hint">A listing of raytracing and rendering programs sites in alphabetical order.</ ...ld programmable shaders, antialiasing and ray tracing. It is available for a wide variety of platforms, including Windows, MacOS X, Linux and IRIX.</p>

...pattern types meets your needs you can use a <code>bump_map</code> to wrap a 2-D bit-mapped bump pattern around your 3-D objects.</p> ...before calculating height. Black is a low spot, white is a high spot. The image's index values may be used instead. See the sections [[Reference:Bump Map#U

Omni­directional stereo (ODS) is a projection model for stereo 360 degree videos. It’s designed for VR viewing with a head­mounted display (HMD).

<p class="Hint">A listing of modelling program sites in alphabetical order.</p> ...am based on rigid body systems. With the built-in 3D editor you can create a virtual scene consisting of spheres, boxes (cuboids), cylinders and plains.

...ons may vary depending on your operating system. However, if you have even a basic understanding of software compilation you should be able to follow al ...ith documentation, example scenes and the program sources, extract them to a destination of your choosing.

<p class="Hint">A listing of various large mixed collections model sites in alphabetical orde *[http://www.strafe.com/2001/ 2001: A Space Odyssey - 3D Modeling Archive]

...hink of this like the way no_shadow gets passed on to objects contained in a CSG.</p> ...the top-level of the texture (or normal, if the normal is not wrapped in a texture).</p>

...ery for many years - I come from the Dan Dare and Weetabix days - and made a study of it at Cambridge University in the sixties. There are a great many ways of seeing the world in stereo, but perhaps the simplest is

...One use of this is to place your signature or a logo in the corner of the image.</p> ...Camera_...' macros in your scene. After calling these setup macros you can use the macros Screen_Object and Screen_Plane.</p>

...pigment as a pattern. Instead of using the pattern directly on the object, a is checked against a list and the corresponding item is then used for the texture at

<p class="Hint">A listing of miscellaneous software graphics sites in alphabetical order.</p> ...Demo, PSP 3.0 fully functional demo, and a program called Mesh Paint also a fully functional demo.</p>

...andedness as POV-Ray? or: How can I set POV-Ray to use the same handedness as Moray?</p> <p>But you can change the handedness in POV-Ray. By default POV-Ray uses a left-handed system. You can change it to right-handed by adding the followi

[[Image:RefImgUnionobj.gif|center|640px<!--center--->]] <p>Unions are simply glue used to bind two or more shapes into a single

<p>The <code>hexagon</code> pattern is a block pattern that generates a in bundles like shown in the example image. Three separate colors should be

polygons. A polygon can contain any number of sub-polygons, either overlapping or not. In places where an even number of polygons overlaps a

...e sky sphere is used create a realistic sky background without the need of an additional sphere to simulate the sky. Its syntax is:</p> ...intentional, is automatically re-activated for backward compatibility when a <code>#version</code> of less than 3.7 is specified. </p>