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add sparse noise section and minor content edits
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| Original file line number | Diff line number | Diff line change |
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| # Neuroscience Stimuli | ||
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| ## Sparse Noise | ||
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| The `SparseNoise` operator generates a non-overlapping discrete sparse grid of randomly activated quads. | ||
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| Drawing the stimuli produced from the `SparseNoise` operator is a little different from the other `DrawX` stimuli. | ||
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| 1) Add a `Texture2D` resource called `DynamicVideo` using the `TextureResource` operator. | ||
| 2) Add a `DrawImage` operator that renders the `DynamicVideo` texture. | ||
| 3) Connect a `UpdateTexture` operator to the `SparseNoise` operator and choose the `DynamicVideo` texture to update. | ||
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| :::workflow | ||
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| ::: | ||
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| - Add logging information? | ||
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| ## Gratings | ||
| As grating stimuli are commonly used in visual physiology experiments, we have created a few specialized nodes that make it convenient to design grating experiments very easily. | ||
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| - Shawn's note - currently some of these nodes appear to be broken, awaiting feedback on https://github.com/bonsai-rx/bonsai/issues/1832 | ||
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| ### Nodes to document | ||
| `GratingsSpecification`, `CreateGratingTrial`, `GratingSequence`, `DrawGrating` | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| Frame,Timestamp,Value | ||
| 10,0.1833524,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 22,0.38393479999999996,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 34,0.58393719999999993,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 46,0.78393989999999991,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 58,0.98394399999999993,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 70,1.1839461999999998,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 82,1.3839484,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 90,1.5946148999999998,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 102,1.7946171,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 114,1.9946197999999999,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 126,2.1946224000000001,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 138,2.3946332999999997,{Width=10, Height=10, Depth=U8, Channels=1} | ||
| 150,2.5995718999999999,{Width=10, Height=10, Depth=U8, Channels=1} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <WorkflowBuilder Version="2.8.2" | ||
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
| xmlns:gl="clr-namespace:Bonsai.Shaders;assembly=Bonsai.Shaders" | ||
| xmlns:res="clr-namespace:Bonsai.Resources;assembly=Bonsai.System" | ||
| xmlns="https://bonsai-rx.org/2018/workflow"> | ||
| <Workflow> | ||
| <Nodes> | ||
| <Expression xsi:type="Combinator"> | ||
| <Combinator xsi:type="gl:CreateWindow"> | ||
| <gl:Width>640</gl:Width> | ||
| <gl:Height>480</gl:Height> | ||
| <gl:VSync>On</gl:VSync> | ||
| <gl:SwapSync>false</gl:SwapSync> | ||
| <gl:ClearColor>Black</gl:ClearColor> | ||
| <gl:ClearMask>DepthBufferBit ColorBufferBit</gl:ClearMask> | ||
| <gl:CursorVisible>true</gl:CursorVisible> | ||
| <gl:Location xsi:nil="true" /> | ||
| <gl:WindowBorder>Resizable</gl:WindowBorder> | ||
| <gl:WindowState>Normal</gl:WindowState> | ||
| <gl:DisplayDevice>Primary</gl:DisplayDevice> | ||
| <gl:TargetRenderFrequency>60</gl:TargetRenderFrequency> | ||
| <gl:TargetUpdateFrequency xsi:nil="true" /> | ||
| <gl:RenderState /> | ||
| <gl:GraphicsMode> | ||
| <gl:ColorFormat> | ||
| <gl:Red>8</gl:Red> | ||
| <gl:Green>8</gl:Green> | ||
| <gl:Blue>8</gl:Blue> | ||
| <gl:Alpha>8</gl:Alpha> | ||
| </gl:ColorFormat> | ||
| <gl:Depth>16</gl:Depth> | ||
| <gl:Stencil>0</gl:Stencil> | ||
| <gl:Samples>0</gl:Samples> | ||
| <gl:AccumulatorFormat> | ||
| <gl:Red>0</gl:Red> | ||
| <gl:Green>0</gl:Green> | ||
| <gl:Blue>0</gl:Blue> | ||
| <gl:Alpha>0</gl:Alpha> | ||
| </gl:AccumulatorFormat> | ||
| <gl:Buffers>2</gl:Buffers> | ||
| <gl:Stereo>false</gl:Stereo> | ||
| </gl:GraphicsMode> | ||
| </Combinator> | ||
| </Expression> | ||
| <Expression xsi:type="IncludeWorkflow" Path="BonVision:Primitives.BonVisionResources.bonsai" /> | ||
| <Expression xsi:type="Combinator"> | ||
| <Combinator xsi:type="gl:TextureResources"> | ||
| <gl:Textures> | ||
| <gl:TextureConfiguration xsi:type="gl:Texture2D"> | ||
| <gl:Name>DynamicVideo</gl:Name> | ||
| <gl:Width xsi:nil="true" /> | ||
| <gl:Height xsi:nil="true" /> | ||
| <gl:InternalFormat>Rgba</gl:InternalFormat> | ||
| <gl:WrapS>Repeat</gl:WrapS> | ||
| <gl:WrapT>Repeat</gl:WrapT> | ||
| <gl:MinFilter>Nearest</gl:MinFilter> | ||
| <gl:MagFilter>Nearest</gl:MagFilter> | ||
| </gl:TextureConfiguration> | ||
| </gl:Textures> | ||
| </Combinator> | ||
| </Expression> | ||
| <Expression xsi:type="Combinator"> | ||
| <Combinator xsi:type="res:LoadResources" /> | ||
| </Expression> | ||
| <Expression xsi:type="Combinator"> | ||
| <Combinator xsi:type="gl:RenderFrame" /> | ||
| </Expression> | ||
| <Expression xsi:type="IncludeWorkflow" Path="BonVision:Environment.NormalizedView.bonsai" /> | ||
| <Expression xsi:type="IncludeWorkflow" Path="BonVision:Primitives.DrawImage.bonsai"> | ||
| <TextureName>DynamicVideo</TextureName> | ||
| <ExtentX>1</ExtentX> | ||
| <ExtentY>1</ExtentY> | ||
| <LocationX>0</LocationX> | ||
| <LocationY>0</LocationY> | ||
| <Layer>0</Layer> | ||
| <Angle>0</Angle> | ||
| <ScaleX>1</ScaleX> | ||
| <ScaleY>1</ScaleY> | ||
| <ShiftX>0</ShiftX> | ||
| <ShiftY>0</ShiftY> | ||
| </Expression> | ||
| <Expression xsi:type="IncludeWorkflow" Path="BonVision:Collections.SparseNoise.bonsai"> | ||
| <Duration>PT0.2S</Duration> | ||
| <ActiveQuads>5</ActiveQuads> | ||
| <GridSize> | ||
| <Width>10</Width> | ||
| <Height>10</Height> | ||
| </GridSize> | ||
| </Expression> | ||
| <Expression xsi:type="Combinator"> | ||
| <Combinator xsi:type="gl:UpdateTexture"> | ||
| <gl:TextureName>DynamicVideo</gl:TextureName> | ||
| <gl:TextureTarget>Texture2D</gl:TextureTarget> | ||
| <gl:InternalFormat>Rgba</gl:InternalFormat> | ||
| </Combinator> | ||
| </Expression> | ||
| </Nodes> | ||
| <Edges> | ||
| <Edge From="0" To="1" Label="Source1" /> | ||
| <Edge From="1" To="2" Label="Source1" /> | ||
| <Edge From="2" To="3" Label="Source1" /> | ||
| <Edge From="4" To="5" Label="Source1" /> | ||
| <Edge From="5" To="6" Label="Source1" /> | ||
| <Edge From="7" To="8" Label="Source1" /> | ||
| </Edges> | ||
| </Workflow> | ||
| </WorkflowBuilder> |
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