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Fix formatting in README #293

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56 changes: 42 additions & 14 deletions README.md
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Expand Up @@ -2148,7 +2148,9 @@ below).

<figure>
<img src="https://ospray.github.io/images/diffuse_rooms.png" alt="Comparison of diffuse rooms with 100% reflecting white paint (left) and realistic 80% reflecting white paint (right), which leads to in higher overall contrast. Note that exposure has been adjusted to achieve similar brightness levels." width="80.0%" /><figcaption>Comparison of diffuse rooms with 100% reflecting white paint (left) and realistic 80% reflecting white paint (right), which leads to in higher overall contrast. Note that exposure has been adjusted to achieve similar brightness levels.</figcaption>
</figure>If present, the color component of [geometries](#geometries) is
</figure>

If present, the color component of [geometries](#geometries) is
also used for the diffuse color `Kd` and the alpha component is also
used for the opacity `d`.

Expand All @@ -2170,7 +2172,9 @@ or invert its green channel.

<figure>
<img src="https://ospray.github.io/images/normalmap_frustum.png" alt="Normal map representing an exalted square pyramidal frustum." width="60.0%" /><figcaption>Normal map representing an exalted square pyramidal frustum.</figcaption>
</figure>All parameters (except `Tf`) can be textured by passing a
</figure>

All parameters (except `Tf`) can be textured by passing a
[texture](#texture) handle, prefixed with “`map_`”. The fetched texels
are multiplied by the respective parameter value. Texturing requires
[geometries](#geometries) with texture coordinates, e.g. a [triangle
Expand All @@ -2182,7 +2186,9 @@ textures support \[texture transformations\].

<figure>
<img src="https://ospray.github.io/images/material_OBJ.jpg" alt="Rendering of a OBJ material with wood textures." width="60.0%" /><figcaption>Rendering of a OBJ material with wood textures.</figcaption>
</figure>#### Principled
</figure>

#### Principled

The Principled material is the most complex material offered by the
[path tracer](#path-tracer), which is capable of producing a wide
Expand Down Expand Up @@ -2390,7 +2396,9 @@ transformations\] are supported as well.

<figure>
<img src="https://ospray.github.io/images/material_Principled.jpg" alt="Rendering of a Principled coated brushed metal material with textured anisotropic rotation and a dust layer (sheen) on top." width="60.0%" /><figcaption>Rendering of a Principled coated brushed metal material with textured anisotropic rotation and a dust layer (sheen) on top.</figcaption>
</figure>#### CarPaint
</figure>

#### CarPaint

The CarPaint material is a specialized version of the Principled
material for rendering different types of car paints. To create a
Expand Down Expand Up @@ -2521,7 +2529,9 @@ transformations\] are supported as well.

<figure>
<img src="https://ospray.github.io/images/material_CarPaint.jpg" alt="Rendering of a pearlescent CarPaint material." width="60.0%" /><figcaption>Rendering of a pearlescent CarPaint material.</figcaption>
</figure>#### Metal
</figure>

#### Metal

The [path tracer](#path-tracer) offers a physical metal, supporting
changing roughness and realistic color shifts at edges. To create a
Expand Down Expand Up @@ -2604,7 +2614,9 @@ supported as well) to create interesting edging effects.

<figure>
<img src="https://ospray.github.io/images/material_Metal.jpg" alt="Rendering of golden Metal material with textured roughness." width="60.0%" /><figcaption>Rendering of golden Metal material with textured roughness.</figcaption>
</figure>#### Alloy
</figure>

#### Alloy

The [path tracer](#path-tracer) offers an alloy material, which behaves
similar to [Metal](#metal), but allows for more intuitive and flexible
Expand All @@ -2631,7 +2643,9 @@ transformations\] are supported as well.

<figure>
<img src="https://ospray.github.io/images/material_Alloy.jpg" alt="Rendering of a fictional Alloy material with textured color." width="60.0%" /><figcaption>Rendering of a fictional Alloy material with textured color.</figcaption>
</figure>#### Glass
</figure>

#### Glass

The [path tracer](#path-tracer) offers a realistic a glass material,
supporting refraction and volumetric attenuation (i.e. the transparency
Expand All @@ -2653,7 +2667,9 @@ trough a glass of thickness `attenuationDistance`.

<figure>
<img src="https://ospray.github.io/images/material_Glass.jpg" alt="Rendering of a Glass material with orange attenuation." width="60.0%" /><figcaption>Rendering of a Glass material with orange attenuation.</figcaption>
</figure>#### ThinGlass
</figure>

#### ThinGlass

The [path tracer](#path-tracer) offers a thin glass material useful for
objects with just a single surface, most prominently windows. It models
Expand Down Expand Up @@ -2688,7 +2704,9 @@ attenuation and thus the material appearance.
<img src="https://ospray.github.io/images/material_ThinGlass.jpg" alt="Rendering of a ThinGlass material with red attenuation." width="60.0%" /><figcaption>Rendering of a ThinGlass material with red attenuation.</figcaption>
</figure><figure>
<img src="https://ospray.github.io/images/ColoredWindow.jpg" alt="Example image of a colored window made with textured attenuation of the ThinGlass material." width="60.0%" /><figcaption>Example image of a colored window made with textured attenuation of the ThinGlass material.</figcaption>
</figure>#### MetallicPaint
</figure>

#### MetallicPaint

The [path tracer](#path-tracer) offers a metallic paint material,
consisting of a base coat with optional flakes and a clear coat. To
Expand Down Expand Up @@ -2719,7 +2737,9 @@ flakes are not visible.

<figure>
<img src="https://ospray.github.io/images/material_MetallicPaint.jpg" alt="Rendering of a MetallicPaint material." width="60.0%" /><figcaption>Rendering of a MetallicPaint material.</figcaption>
</figure>#### Luminous
</figure>

#### Luminous

The [path tracer](#path-tracer) supports the Luminous material which
emits light uniformly in all directions and which can thus be used to
Expand All @@ -2730,7 +2750,9 @@ parameters of lights: [`color` and `intensity`](#lights).

<figure>
<img src="https://ospray.github.io/images/material_Luminous.jpg" alt="Rendering of a yellow Luminous material." width="60.0%" /><figcaption>Rendering of a yellow Luminous material.</figcaption>
</figure>### Texture
</figure>

### Texture

OSPRay currently implements two texture types (`texture2d` and `volume`)
and is open for extension to other types by applications. More types may
Expand Down Expand Up @@ -2941,7 +2963,9 @@ images below.
<img src="https://ospray.github.io/images/camera_architectual.jpg" alt="Enabling the architectural flag corrects the perspective projection distortion, resulting in parallel vertical edges." width="60.0%" /><figcaption>Enabling the <code>architectural</code> flag corrects the perspective projection distortion, resulting in parallel vertical edges.</figcaption>
</figure><figure>
<img src="https://ospray.github.io/images/camera_stereo.jpg" alt="Example 3D stereo image using stereoMode side-by-side." width="90.0%" /><figcaption>Example 3D stereo image using <code>stereoMode</code> side-by-side.</figcaption>
</figure>#### Orthographic Camera
</figure>

#### Orthographic Camera

The orthographic camera implements a simple camera with orthographic
projection, without support for depth of field or motion blur. It is
Expand All @@ -2965,7 +2989,9 @@ and `imageEnd`, and both methods can be combined. In any case, the

<figure>
<img src="https://ospray.github.io/images/camera_orthographic.jpg" alt="Example image created with the orthographic camera." width="60.0%" /><figcaption>Example image created with the orthographic camera.</figcaption>
</figure>#### Panoramic Camera
</figure>

#### Panoramic Camera

The panoramic camera implements a simple camera without support for
motion blur. It captures the complete surrounding with a latitude /
Expand All @@ -2976,7 +3002,9 @@ by using the [general parameters](#cameras) understood by all cameras.

<figure>
<img src="https://ospray.github.io/images/camera_panoramic.jpg" alt="Latitude / longitude map created with the panoramic camera." width="90.0%" /><figcaption>Latitude / longitude map created with the panoramic camera.</figcaption>
</figure>### Picking
</figure>

### Picking

To get the world-space position of the geometry (if any) seen at \[0–1\]
normalized screen-space pixel coordinates `screenPos` use
Expand Down