Fractal Warp Shader - Revision history

Redmaw: Fixed typo.

2021-07-19T23:28:48Z

Fixed typo.

← Older revision		Revision as of 23:28, 19 July 2021
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	\|}		\|}
	</ul><br />		</ul><br />
	*'''Scale modulator:''' The warp fractal consists of multiple octaves of noise, with each octave working at a different scale. The '''Scale modulator''' acts as a filter on which octaves are applied. When the '''Scale modulator''' is 1, all octaves are applied. When the '''Scale modulator''' is less than 1, some of the largest scale octaves are filtered out so that only the smaller scale octaves are applied. In other words it limits the largest scale of the fractal. The '''Scale modulator''' is applied using an exponential scale. When the s'''Sale modulator''' is 0.5, the largest scale is one thousand times smaller than normal. When the '''Scale modulator''' is 0, the largest scale is one million times smaller than normal.		*'''Scale modulator:''' The warp fractal consists of multiple octaves of noise, with each octave working at a different scale. The '''Scale modulator''' acts as a filter on which octaves are applied. When the '''Scale modulator''' is 1, all octaves are applied. When the '''Scale modulator''' is less than 1, some of the largest scale octaves are filtered out so that only the smaller scale octaves are applied. In other words it limits the largest scale of the fractal. The '''Scale modulator''' is applied using an exponential scale. When the '''Sale modulator''' is 0.5, the largest scale is one thousand times smaller than normal. When the '''Scale modulator''' is 0, the largest scale is one million times smaller than normal.
	<ul>		<ul>
	{\|		{\|

Redmaw: Updated example images for Obey Smoothing parameter. Reformatted older archival example movies.

2020-09-04T16:47:49Z

Updated example images for Obey Smoothing parameter. Reformatted older archival example movies.

← Older revision		Revision as of 16:47, 4 September 2020
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	[[File:~~FWS_00_MainGui~~.png\|none\|470px\|Fractal Warp Shader]]		[[File:FWS_00-2_MainGui.png\|none\|470px\|Fractal Warp Shader]]
	== Overview ==		== Overview ==
	The Fractal warp shader distorts the 2D texture coordinates of the upstream shaders connected to its Main Input. In the example below you can see the effect of modifying the '''Scale''' value on the black and white shapes. Practical examples of this might be to transform a shape defined and displaced by a Simple shape shader into a snaking river that cuts across the terrain, or into a detailed hill or mountain.		The Fractal warp shader distorts the 2D texture coordinates of the upstream shaders connected to its Main Input. In the example below you can see the effect of modifying the '''Scale''' value on the black and white shapes. Practical examples of this might be to transform a shape defined and displaced by a Simple shape shader into a snaking river that cuts across the terrain, or into a detailed hill or mountain.
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	\| [[File:FWS_57_WarpAmount0p5.jpg\|none\|400px\|Warp amount = 0.5]] \|\| [[File:FWS_58_WarpAmount1.jpg\|none\|400px\|Warp amount = 1.0]] \|\| [[File:FWS_59_WarpAmount1p5.jpg\|none\|400px\|Warp amount = 1.5 (default)]] \|\| [[File:FWS_60_WarpAmount2.jpg\|none\|400px\|Warp amount = 2.0]]		\| [[File:FWS_57_WarpAmount0p5.jpg\|none\|400px\|Warp amount = 0.5]] \|\| [[File:FWS_58_WarpAmount1.jpg\|none\|400px\|Warp amount = 1.0]] \|\| [[File:FWS_59_WarpAmount1p5.jpg\|none\|400px\|Warp amount = 1.5 (default)]] \|\| [[File:FWS_60_WarpAmount2.jpg\|none\|400px\|Warp amount = 2.0]]
	\|}		\|}
			</ul>
	<br />		<br />
	*'''Variation:'''This has an effect on the shape of the warp.		*'''Variation:'''This has an effect on the shape of the warp.
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	*'''Roughness:''' This affects the amount of contribution from smaller octaves of the warp fractal. The default setting is 1, and recommended settings range from 0 to 2.0.		*'''Roughness:''' This affects the amount of contribution from smaller octaves of the warp fractal. The default setting is 1, and recommended settings range from 0 to 2.0.
	<ul>		<ul>
	{\| ~~class="wikitable"~~		{\|
	\|-		\|-
	\| [[File:FWS_26_Roughness_p85.jpg\|none\|400px\|Roughness = 0.85]] \|\| [[File:FWS_27_Roughness_p95.jpg\|none\|400px\|Roughness = 0.95]] \|\| [[File:FWS_28_Roughness_1p0.jpg\|none\|400px\|Roughness = 1.0 (default)]] \|\| [[File:FWS_29_Roughness_1p1.jpg\|none\|400px\|Roughness = 1.1]]		\| [[File:FWS_26_Roughness_p85.jpg\|none\|400px\|Roughness = 0.85]] \|\| [[File:FWS_27_Roughness_p95.jpg\|none\|400px\|Roughness = 0.95]] \|\| [[File:FWS_28_Roughness_1p0.jpg\|none\|400px\|Roughness = 1.0 (default)]] \|\| [[File:FWS_29_Roughness_1p1.jpg\|none\|400px\|Roughness = 1.1]]
			\|-
			\| [[File:FWS_29_Roughness_2p0.jpg\|none\|400px\|Overdriving the Roughness value to 2.0 can lead to unpredictable vertical stretching and displacements.]]
	\|}		\|}

	~~[[File:FWS_29_Roughness_2p0.jpg\|none\|400px\|Overdriving the Roughness value to 2.0 can lead to unpredictable vertical stretching and displacements.]]~~

	</ul><br />		</ul><br />
	*'''Scale modulator:''' The warp fractal consists of multiple octaves of noise, with each octave working at a different scale. The '''Scale modulator''' acts as a filter on which octaves are applied. When the '''Scale modulator''' is 1, all octaves are applied. When the '''Scale modulator''' is less than 1, some of the largest scale octaves are filtered out so that only the smaller scale octaves are applied. In other words it limits the largest scale of the fractal. The '''Scale modulator''' is applied using an exponential scale. When the s'''Sale modulator''' is 0.5, the largest scale is one thousand times smaller than normal. When the '''Scale modulator''' is 0, the largest scale is one million times smaller than normal.		*'''Scale modulator:''' The warp fractal consists of multiple octaves of noise, with each octave working at a different scale. The '''Scale modulator''' acts as a filter on which octaves are applied. When the '''Scale modulator''' is 1, all octaves are applied. When the '''Scale modulator''' is less than 1, some of the largest scale octaves are filtered out so that only the smaller scale octaves are applied. In other words it limits the largest scale of the fractal. The '''Scale modulator''' is applied using an exponential scale. When the s'''Sale modulator''' is 0.5, the largest scale is one thousand times smaller than normal. When the '''Scale modulator''' is 0, the largest scale is one million times smaller than normal.
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	{\|		{\|
	\|-		\|-
	\| [[File:~~FWS_08_ObeyDownstream~~.~~gif~~\|none\|400px\|~~Effect of enabling downstream~~ Smoothing ~~shaders over 1000 metres~~.]] \|\| [[File:~~FWS_15_ObeyDownstream~~.~~gif~~\|none\|400px\|~~Effect of enabling downstream~~ Smoothing ~~shaders over 1000 metres~~.]]		\| [[File:FWS_61_ObeySmoothing1.jpg\|none\|400px\|Smoothing = 1.0]] \|\| [[File:FWS_62_ObeySmoothing2p5.jpg\|none\|400px\|Smoothing = 2.5]] \|\| [[File:FWS_63_ObeySmoothing5.jpg\|none\|400px\|Smoothing = 5.0]] \|\| [[File:FWS_64_ObeySmoothing10.jpg\|none\|400px\|Smoothing - 10.0]]
	\|}		\|}
	</ul><br />		</ul><br />
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	== Example Movies ==		== Archival Examples ==
			<br />
			'''Effect on displacement'''
			{\|
			\|-
			! Scale !! Warp amount !! Variation !! Roughness
			\|-
			\| [[File:WarpScale.gif]] \|\| [[File:WarpScaleAmount.gif]] \|\| [[File:WarpVariation.gif]] \|\| [[File:WarpRoughness.gif]]
			\|}
			<br />
			'''Effects on texture '''
			{\|
			\|-
			! Scale !! Warp amount !! Variation !! Roughness
			\|-
			\| [[File:ScalePlanet.gif]] \|\| [[File:WarpAmountPlanet.gif]] \|\| [[File:VariationPlanet.gif]] \|\| [[File:RoughnessPlanet.gif]]
			\|}

			<!-- == Example Movies ==
	<br />		<br />
	'''Effect on displacement'''		'''Effect on displacement'''
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	Roughness<br />		Roughness<br />
	[[File:RoughnessPlanet.gif]]		[[File:RoughnessPlanet.gif]]
	\|}		\|} -->



	[[Category:Warp Shader]]		[[Category:Warp Shader]]

Redmaw: Updated example images for Warp Amount parameter.

2020-09-04T00:19:20Z

Updated example images for Warp Amount parameter.

← Older revision		Revision as of 00:19, 4 September 2020
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	{\|		{\|
	\|-		\|-
	\| [[File:~~FWS_02_Warps~~.~~gif~~\|none\|400px\|~~Effect of changing Scale values over 1000 metres~~.]] \|\| [[File:~~FWS_09_Scale100_Warps~~.~~gif~~\|none\|400px\|~~Effect of changing Scale values over 1000 metres~~.]]		\| [[File:FWS_57_WarpAmount0p5.jpg\|none\|400px\|Warp amount = 0.5]] \|\| [[File:FWS_58_WarpAmount1.jpg\|none\|400px\|Warp amount = 1.0]] \|\| [[File:FWS_59_WarpAmount1p5.jpg\|none\|400px\|Warp amount = 1.5 (default)]] \|\| [[File:FWS_60_WarpAmount2.jpg\|none\|400px\|Warp amount = 2.0]]
	\|}		\|}
	~~</ul>~~
	<br />		<br />
	*'''Variation:'''This has an effect on the shape of the warp.		*'''Variation:'''This has an effect on the shape of the warp.

Redmaw: Replaced example images for Scale parameter.

2020-09-03T23:33:04Z

Replaced example images for Scale parameter.

← Older revision		Revision as of 23:33, 3 September 2020
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	{\|		{\|
	\|-		\|-
	\| [[File:~~FWS_01_Scale~~.~~gif~~\|none\|400px\|~~Effect of changing~~ Scale ~~values over 1000 metres~~. ]] \|\| [[File:~~FWS_10_Scales~~.~~gif~~\|none\|400px\|~~Effect of changing~~ Scale ~~values over~~ 1000 ~~metres~~.]]		\| [[File:FWS_53_Scale100.jpg\|none\|400px\|Scale = 100]] \|\| [[File:FWS_54_Scale500.jpg\|none\|400px\|Scale = 500]] \|\| [[File:FWS_55_Scale1000.jpg\|none\|400px\|Scale = 1000 (default)]] \|\| [[File:FWS_56_Scale1500.jpg\|none\|400px\|Scale = 1500]]
	\|}		\|}
	</ul>		</ul>

Redmaw: Updating example images and modified the description of the Scale Modulator parameter.

2020-09-03T22:36:06Z

Updating example images and modified the description of the Scale Modulator parameter.

← Older revision		Revision as of 22:36, 3 September 2020
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	[[File:FWS_00_MainGui.png\|none\|470px\|Fractal Warp Shader]]		[[File:FWS_00_MainGui.png\|none\|470px\|Fractal Warp Shader]]
	== Overview ==		== Overview ==
	The Fractal warp shader distorts the 2D texture coordinates of the upstream shaders connected to its Main Input. In the example below you can see the effect of modifying the Scale value on the black ~~shape which is approximately 100 kilometers long~~. Practical examples of this might be to transform a shape defined and displaced by a Simple shape shader into a snaking river that cuts across the terrain, or into a detailed hill or mountain.		The Fractal warp shader distorts the 2D texture coordinates of the upstream shaders connected to its Main Input. In the example below you can see the effect of modifying the '''Scale''' value on the black and white shapes. Practical examples of this might be to transform a shape defined and displaced by a Simple shape shader into a snaking river that cuts across the terrain, or into a detailed hill or mountain.
			{\|
			\|-
			\| [[File:FWS_50_2DExample_Scale0.jpg\|none\|400px\|Scale = 0 (No Fractal warp applied)]] \|\| [[File:FWS_51_2DExample_Scale500.jpg\|none\|400px\|Scale = 500]] \|\| [[File:FWS_52_2DExample_Scale1100.jpg\|none\|400px\|Scale = 1100]]
			\|}

	{\|		{\|
	\|-		\|-
	\| [[File:~~FWS_25_2DWarpScale~~.~~gif\|none\|400px\|Fractal warp of 2D texture coordinates by only adjusting Scale value.]] \|\| [[File:FWS_20_RiverExample.gif~~\|none\|400px\|Simple shape ~~warped into river~~ terrain.]] \|\| [[File:~~FWS_21_HillExample~~.~~gif~~\|none\|400px\|~~Simple shape warped into hill~~.]]		\| [[File:FWS_46v2_RiverExample_SimpleShape.jpg\|none\|400px\|Simple shape shader displacing terrain.]] \|\| [[File:FWS_46v2_RiverExample_FractalWarp.jpg\|none\|400px\|Fractal warp shader warping terrain.]]
	\|}		\|}

			{\|
	~~'''Node Type~~:~~''' Transform/Warp Shader~~		\|-
			\| [[File:FWS_49v2_HillExample_SimpleShapeShader.jpg\|none\|400px\|Simple shape shader displacing terrain.]] \|\| [[File:FWS_49v2_HillExample_FWS.jpg\|none\|400px\|Fractal warp shader warping terrain]]
			\|}

	'''Settings:'''		'''Settings:'''
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	{\|		{\|
	\|-		\|-
	\| [[File:~~FWS_03_Variations~~.~~gif~~\|none\|400px\|~~Effect of changing~~ Variation ~~values over 1000 metres~~.]] \|\| [[File:~~FWS_11_Variations~~.~~gif~~\|none\|400px\|~~Effect of changing~~ Variation ~~values over 1000 metres~~.]]		\| [[File:FWS_30_Variation_0p1.jpg\|none\|400px\|Varitation = 0.1]] \|\| [[File:FWS_31_Variation_0p5.jpg\|none\|400px\|Variation = 0.5]] \|\| [[File:FWS_32_Variation_1p0.jpg\|none\|400px\|Variation = 1.0 (default)]] \|\| [[File:FWS_33_Variation_2p0.jpg\|none\|400px\|Variation = 2.0]]
	\|}		\|}
	</ul> <br />		</ul> <br />
	*'''Roughness:''' This affects the amount of contribution from smaller octaves of the warp fractal. The default setting is 1, and recommended settings range from 0 to 2.0.		*'''Roughness:''' This affects the amount of contribution from smaller octaves of the warp fractal. The default setting is 1, and recommended settings range from 0 to 2.0.
	<ul>		<ul>
	{\|		{\| class="wikitable"
	\|-		\|-
	\| [[File:~~FWS_04_Roughness~~.~~gif~~\|none\|400px\|~~Effect of changing~~ Roughness ~~values over 1000 metres~~.]] \|\| [[File:~~FWS_12_Roughness~~.~~gif~~\|none\|400px\|~~Effect of changing~~ Roughness ~~values over 1000 metres~~.]]		\| [[File:FWS_26_Roughness_p85.jpg\|none\|400px\|Roughness = 0.85]] \|\| [[File:FWS_27_Roughness_p95.jpg\|none\|400px\|Roughness = 0.95]] \|\| [[File:FWS_28_Roughness_1p0.jpg\|none\|400px\|Roughness = 1.0 (default)]] \|\| [[File:FWS_29_Roughness_1p1.jpg\|none\|400px\|Roughness = 1.1]]
	\|}		\|}

			[[File:FWS_29_Roughness_2p0.jpg\|none\|400px\|Overdriving the Roughness value to 2.0 can lead to unpredictable vertical stretching and displacements.]]

	</ul><br />		</ul><br />
	*'''Scale modulator:''' ~~Accepts~~ a ~~shader~~ as ~~an input parameter to modify~~ the Scale ~~value~~. ~~Where~~ the scale modulator ~~value evaluates to~~ 0.0 ~~no warp effect will occur~~, ~~therefore this can act as a mask for~~ the ~~Scale parameter~~.		*'''Scale modulator:''' The warp fractal consists of multiple octaves of noise, with each octave working at a different scale. The '''Scale modulator''' acts as a filter on which octaves are applied. When the '''Scale modulator''' is 1, all octaves are applied. When the '''Scale modulator''' is less than 1, some of the largest scale octaves are filtered out so that only the smaller scale octaves are applied. In other words it limits the largest scale of the fractal. The '''Scale modulator''' is applied using an exponential scale. When the s'''Sale modulator''' is 0.5, the largest scale is one thousand times smaller than normal. When the '''Scale modulator''' is 0, the largest scale is one million times smaller than normal.
	<ul>		<ul>
	{\|		{\|
	\|-		\|-
	\| [[File:~~FWS_05_ScaleModulatorCheckers~~.~~gif~~\|none\|400px\|~~Checker pattern as Scale modulator over 1000 metres~~.]] \|\| [[File:~~FWS_13_ScaleModulatorCheckers~~.~~gif~~\|none\|400px\|~~Checker pattern as~~ Scale ~~modulator over 1000 metres~~.]]		\| [[File:FWS_34_ScaleMod_SimpleShape.jpg\|none\|400px\|Simple shape shader displacing terrain.]] \|\| [[File:FWS_35_ScaleMod_FWS.jpg\|none\|400px\|Fractal warp shader warping terrain.]] \|\| [[File:FWS_36_ScaleMod_Ramp.jpg\|none\|400px\|Ramp from 0 - 1 to be applied via Scale Modulator parameter.]]
	\|-		\|-
	\| [[File:~~FWS_07_ScaleModulatorPF3Noise~~.~~gif~~\|none\|400px\|~~Power fractal as~~ Scale ~~modulator over 1000 metres~~.]] \|\| [[File:~~FWS_14_ScaleModulatorPF3~~.~~gif~~\|none\|400px\|~~Power fractal~~ as ~~Scale modulator over 1000 metres~~.]]		\| [[File:FWS_37_ScaleMod_On.jpg\|none\|400px\|Result of ramp assigned to Scale Modulator.]] \|\| [[File:FWS_38_ScaleModMask.jpg\|none\|400px\|Result of ramp assigned as a mask.]] \|\|
	\|}		\|}
	</ul><br />		</ul><br />

Matt at 03:23, 29 August 2020

2020-08-29T03:23:29Z

← Older revision		Revision as of 03:23, 29 August 2020
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	</ul>		</ul>
	<br />		<br />
	*'''Variation:'''~~Visually adds random detail along the edge of the displaced areas. Negative values can break up~~ an ~~area into smaller and smaller fragments. A value of 0.0 should be avoided as it will cause all features to disappear. Increasing the value positively, reduces~~ the ~~amount~~ of ~~visual randomness, and~~ the ~~higher the value the more angular the effect becomes~~.		*'''Variation:'''This has an effect on the shape of the warp.
	<ul>		<ul>
	{\|		{\|
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	\|}		\|}
	</ul> <br />		</ul> <br />
	*'''Roughness:''' This ~~value determines how quickly a change or deviation can occur over~~ the ~~Scale~~ of the warp fractal pattern. Lower values result in fewer deviations, subdivisions and segmentations of an area and visually look more angular. Higher values allow for more deviations, subdivisions or segmentation of an area, and visually look smoother and more random. The default setting is 1, and recommended settings range from 0 to 2.0.		*'''Roughness:''' This affects the amount of contribution from smaller octaves of the warp fractal. The default setting is 1, and recommended settings range from 0 to 2.0.
	<ul>		<ul>
	{\|		{\|

Redmaw: Updated documentation and example images to reflect latest parameters and version of the node.

2020-08-28T22:55:22Z

Updated documentation and example images to reflect latest parameters and version of the node.

@@ Line 1: / Line 1: @@
-[[File:FractalWarpShader.png|center]]
+[[File:FWS_00_MainGui.png|none|470px|Fractal Warp Shader]]
-'''Node Description and Purpose:'''<br />
+{|
-TBC
+|-
@@ Line 10: / Line 14: @@
 '''Settings:'''
-*'''Scale:''' TBC
+*'''Scale:''' Sets the size of the fractal pattern’s feature detail in meters and is similar to the Feature Scale parameter in a Power Fractal shader.  Default value is 1000 metres and useful values depend on the size of the area to warp.  Using too high a value relative to the size of the area you wish to affect, can result in unpredictable results as the fractal pattern can warp the areas to completely new positions and obliterate features.  Values lower than the size of the area you want to warp can lead to more predictable results.
-*'''Warp amount:''' TBC
+<ul>
-*'''Variation:''' TBC
+{|
-*'''Roughness:''' TBC
+|-
-*'''Mask by shader:''' TBC
+| [[File:FWS_01_Scale.gif|none|400px|Effect of changing Scale values over 1000 metres. ]] || [[File:FWS_10_Scales.gif|none|400px|Effect of changing Scale values over 1000 metres.]]
-*'''Fit mask to this:''' TBC
+|}
-*'''Invert mask:''' TBC
+</ul>
-'''Example Movies'''
 <br />
 '''Effect on displacement'''

Matt at 02:04, 4 May 2018

2018-05-04T02:04:17Z

← Older revision		Revision as of 02:04, 4 May 2018
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	[[Category:~~Transform/Warp Shader]]~~		[[Category:Warp Shader]]
	~~[[Category:Transform or~~ Warp Shader]]

Matt at 01:55, 4 May 2018

2018-05-04T01:55:59Z

← Older revision		Revision as of 01:55, 4 May 2018
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			[[Category:Transform/Warp Shader]]
	[[Category:Transform or Warp Shader]]		[[Category:Transform or Warp Shader]]

Matt at 01:54, 4 May 2018

2018-05-04T01:54:30Z

← Older revision		Revision as of 01:54, 4 May 2018
Line 58:		Line 58:


	[[Category:Transform/Warp Shader]]		[[Category:Transform or Warp Shader]]