Circular Checkboard Element

Modified on 2018/07/16 21:33 by Administrator Categorized as Elements, Stimulus generators
<div style="margin-right: 10px; margin-left: 16px; margin-bottom:10px; float: right; width: 500px; overflow: hidden; height: auto; padding: 0px; background: #fafafa; background: -webkit-gradient(linear, left top, left bottom, from(#fbfbfb), to(#fafafa));background: -moz-linear-gradient(top, #fbfbfb, #fafafa);border: 1px dashed #ddd;box-shadow: 0 0 0 3px #fff, 0 0 0 5px #ddd, 0 0 0 10px #fff, 0 0 2px 10px #eee;">
== Summary ==
{s:Element Info Panel
| title=Circular Checkboard
| category=Stimulus Generators
| icon=[image|Element Icon|{UP(Circular-Checkboard-Element)}Circular-Checkboard-Element-Icon.png]
| author= OkazoLab
| addin= Visual Kernels
| scope= Parent event
| usage= Stimulus screen
| ownsnippets= None
}
== Properties ==
{|
|-
! Name
! Description                              
! Constraints
! Type
! On<br/>runtime<br/>change
|-
| colspan="5" bgcolor="#AADDDDD" | Checkboard Settings
|-
| Ring Count        
| Defines a number of rings in the patch        
| {s:atNormal}        
| Double        
|  
|-
| Slice Count        
| Defines a number of slices on each ring        
| {s:atNormal}        
| Double        
|  
|-
| Inner Radius        
| Defines the inner radius of the patch in percentages to the total size        
| {s:atNormal}        
| Double        
|  
|-
| Slice Phase        
| Defines an angular position of the first slice in the inner ring, between 0 and 360 degrees        
| {s:atNormal}        
| Double        
|  
|-
| Slice Shift        
| Defines the relative slice shift (in percentages) between neighboring rings.        
| {s:atNormal}        
| Double        
|  
|-
| Ring Scale Ratio        
| Defines the common ratio of geometric progression that is applied to the ring scales, starting from the inner ring. The value 1 denotes the equal scales.        
| {s:atNormal}        
| Double        
|  
|-
| Low patch color        
| Defines the lowest RGB color in the patch        
| {s:atNormal}        
| stColor        
|  
|-
| High patch color        
| Defines the highest RGB color in the patch        
| {s:atNormal}        
| stColor        
|  
|-
| colspan="5" bgcolor="#AADDDDD" | Visual Appearance
|-
| Alpha Masking        
| Defines, whether the visual content is used to create an opacity mask on the event surface. If masking is on, the content's pixel luminance (or, its inverse) defines transparency within element's viewport. The alpha masking allows, for example, create transparent holes on the event surface.        
| {s:atDesign}        
| Int32        
|  
|-
| AntiAliasing        
| if true, the rendered content will be antialiased for smoother visual appeariance. If false, rendering will be authentic to its source, e.g. a bitmap.        
| {s:atNormal}        
| Boolean        
|  
|-
| Position        
| Defines a position of the rendering viewport on the screen        
| {s:atNormal}        
| clPoint        
|  
|-
| Size        
| Defines a size of the element's rendering viewport on the screen        
| {s:atNormal}        
| clSize        
|  
|-
| Z Order        
| Indicates Z Order of the element on the given event        
| {s:atStatus}        
| Int32        
|  
|-
| Pivot Point        
| Defines alignment of the pivot point (or, element's position) relative to element's rendering area. The pivot point sets the center of element's rotation and scale directions.        
| {s:atNormal}        
| stAlig..        
|  
|-
| Visible        
| Defines whether the element is visible        
| {s:atNormal}        
| Boolean        
|  
|-
| Rotation        
| Rotation angle in degrees        
| {s:atNormal}        
| Double        
|  
|-
| colspan="5" bgcolor="#AADDDDD" | Effects
|-
| Transparent Color        
| The color of the original pixels of rendered content that will be set as transparent        
| {s:atNormal}        
| stColor        
|  
|-
| Transparent Tolerance        
| Tolerance ratio for choosing colors that become transparent. Zero means that effect is not applied, 1 denotes that all colors will become trasparent        
| {s:atNormal}        
| Int32        
|  
|-
| Color Mask        
| Produces a multiplicative combination of the original pixels
and the selected mask color (except the alpha channel).
 The effect emulates a look through a colored glass.
 White or transparent mask color dont change the original pixels        
| {s:atNormal}        
| stColor        
|  
|-
| Opacity        
| Opacity of the rendered content        
| {s:atNormal}        
| Int32        
|  
|-
| Contrast        
| Contrast of the rendered content        
| {s:atNormal}        
| Int32        
|  
|-
| Brightness        
| Brightness the rendered content        
| {s:atNormal}        
| Int32        
|  
|-
| Saturation        
| Saturation of the rendered content        
| {s:atNormal}        
| Double        
|  
|-
| Pixelation        
| Pixelation of the rendered content        
| {s:atNormal}        
| Int32        
|  
|-
| Blurring        
| The radius used in the gaussian blur of rendered content, as a pixel-based factor. The default is 0 which means no blurring.        
| {s:atNormal}        
| Int32        
|  
|-
| Scrambling        
|         
| {s:atNormal}        
| Double        
|  
|-
| Scrambling Grid Size        
| Defines a size of the scrambling grid        
| {s:atNormal}        
| clSize        
|  
|-
| colspan="5" bgcolor="#AADDDDD" | Positional Jitter
|-
| Reset Jitter Now        
| Runtime command that resets the positional jitter.        
| {s:atRuntimeAction}        
| Boolean        
|  
|-
| Current Jitter        
| Returns the current jitter        
| {s:atStatus}        
| clPoint        
|  
|-
| Jitter Range        
| Defines a possible range for the random jitter. The range is centered to the position of the element.        
| {s:atNormal}        
| clSize        
|  
|-
| Test Jitter        
| Click to test the current jitter        
| {s:atDesign}        
| Boolean        
|  
|-
| colspan="5" bgcolor="#AADDDDD" | Control
|-
| Is Enabled        
| If set to false the element is completely omitted when the experiment is run        
| {s:atDesign}        
| Boolean        
|  
|-
| Title        
| Title of the element        
| {s:atDesign}        
| String        
|  
|-            
|}
== ==
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'''Circular Checkboard Element''' is capable of generating circular checkbord patches defined by a parameter set.{br}{br}
{TOC}

== Snapshots ==
{|
| [imageleft|Default Checkboard|{UP(Circular-Checkboard-Element)}CircularCheckboard1_sm.jpg|{UP(Circular-Checkboard-Element)}CircularCheckboard1.png]
| [imageleft|Green yellow checkboard with <br> extra rings and slices|{UP(Circular-Checkboard-Element)}CircularCheckboard2_sm.jpg|{UP(Circular-Checkboard-Element)}CircularCheckboard2.png]
|}

== Practical Use ==
=== Adding a Circular Checkboard that mimics tunnel-like look ===
# On an Event, click on "Add Element", under 'STIMULUS GENERATION', click on the "Circular Checkboard' element.
# Reduce the ''Inner Radius'' to 8.0 and increase the ''Ring Scale Ratio'' to 2.
# You may change the colours as desired
[imageleft|Tunnel-like |{UP(Circular-Checkboard-Element)}CriclCheckbrd3Tunnel_sm.jpg|{UP(Circular-Checkboard-Element)}CriclCheckbrd3Tunnel.png] <br><br><br><br><br><br><br><br><br><br><br><br>
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Circular Checkboard Element
