grating.xml 4.3 KB

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  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <?xml-stylesheet type="text/xsl" href="odmlTerms.xsl" xmlns:odml="http://www.g-node.org/odml"?>
  3. <!-- ********************************************************* -->
  4. <!-- Grating stimulus -->
  5. <!-- ********************************************************* -->
  6. <odML version="1.1">
  7. <repository>http://portal.g-node.org/odml/terminologies/v1.1/terminologies.xml</repository>
  8. <version>1.0</version>
  9. <date>2011-01-21</date>
  10. <section>
  11. <type>stimulus/grating</type>
  12. <name>Grating</name>
  13. <definition>Properties to describe Grating stimuli.</definition>
  14. <property>
  15. <name>Modality</name>
  16. <value>
  17. </value>
  18. <definition>The stimulus modality like acoustic, haptic, visual etc.</definition>
  19. <type>string</type></property>
  20. <property>
  21. <name>Type</name>
  22. <value>
  23. </value>
  24. <definition>The type of grating used. Commonly either Sinewave or Squarewave gratings are used.</definition>
  25. <type>string</type></property>
  26. <property>
  27. <name>Duration</name>
  28. <value>
  29. </value>
  30. <definition>The duration of the stimulus in seconds.</definition>
  31. <type>float</type><unit>s</unit></property>
  32. <property>
  33. <name>TemporalOffset</name>
  34. <value>
  35. </value>
  36. <definition>The temporal offset (with respect to the begin of the recorded trial) with which this stimulus was
  37. presented.
  38. </definition>
  39. <type>float</type><unit>s</unit></property>
  40. <property>
  41. <name>Contrast</name>
  42. <value>
  43. </value>
  44. <definition>The contrast of the grating stimulus.</definition>
  45. <type>float</type></property>
  46. <property>
  47. <name>Intensity</name>
  48. <value>
  49. </value>
  50. <definition>The mean intensity of the grating stimulus.</definition>
  51. <type>float</type></property>
  52. <property>
  53. <name>GratingType</name>
  54. <value>
  55. </value>
  56. <definition>The type of grating, i.e. 'sinewave' or 'squarewave'.</definition>
  57. <type>string</type></property>
  58. <property>
  59. <name>SpatialWavelength</name>
  60. <value>
  61. </value>
  62. <definition>The spatial wavelength of the grating.</definition>
  63. <type>float</type></property>
  64. <property>
  65. <name>SpatialFrequency</name>
  66. <value>
  67. </value>
  68. <definition>the spatial frequency of the grating.</definition>
  69. <type>float</type></property>
  70. <property>
  71. <name>SpatialExtent</name>
  72. <value>
  73. </value>
  74. <definition>The spatial extend of the presented stimulus (width;height) e.g. (1024;768).</definition>
  75. <type>2-tuple</type></property>
  76. <property>
  77. <name>Orientation</name>
  78. <value>
  79. </value>
  80. <definition>The orientation of the grating in degrees.</definition>
  81. <type>float</type></property>
  82. <property>
  83. <name>DriftingVelocity</name>
  84. <value>
  85. </value>
  86. <definition>In case of a constantly drifting grating, the velocity</definition>
  87. <type>float</type></property>
  88. <property>
  89. <name>Position</name>
  90. <value>
  91. </value>
  92. <definition>The position of the stimulus on e.g the screen. Specified as a 2-tuple (x;y). By default this position
  93. refers to the top-left corner of the object or its bounding box.
  94. </definition>
  95. <type>2-tuple</type></property>
  96. <property>
  97. <name>PositionReference</name>
  98. <value>top-left
  99. , center
  100. , bottom-right
  101. </value>
  102. <definition>By default stimulus positions are specified by the coordinates of the top-left corner (or of the
  103. bounding box). Use this property for other definitions.
  104. </definition>
  105. <type>string</type></property>
  106. <property>
  107. <name>Function</name>
  108. <value>
  109. </value>
  110. <definition>The function of the described stimulus. E.g. if the white noise constituted the carrier.</definition>
  111. <type>string</type></property>
  112. <property>
  113. <name>OutputChannel</name>
  114. <value>
  115. </value>
  116. <definition>The physical output device (e.g. an analog output channel, a monitor screen, the same loudspeaker,
  117. etc.). This information can be used to explicitly express that several stimuli (that share the same
  118. OutputChannel) are jointly presented.
  119. </definition>
  120. <type>string</type></property>
  121. </section>
  122. </odML>