107 lines
4.3 KiB
XML
107 lines
4.3 KiB
XML
<svg viewBox="0 0 280 280" xmlns="http://www.w3.org/2000/svg" role="img" aria-labelledby="mark-title-neuropose">
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<title id="mark-title-neuropose">An articulated kinematic figure with a small dendritic node at the head — pose tracked through the body, signal originating from the brain.</title>
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<desc>Frontmatter mark for the essay "NeuroPose".</desc>
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<g fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round">
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<!-- Outer roundel -->
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<circle cx="140" cy="140" r="128" stroke-width="0.6"/>
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<!-- Kinematic skeleton: head, spine, two arms, two legs.
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Drawn in a slight asymmetric stance to suggest motion-tracking
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rather than a static anatomical diagram.
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Joint coordinates (the markers tracked):
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head (140, 78)
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neck (140, 102)
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shoulder L (122, 110)
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shoulder R (158, 110)
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elbow L (108, 134)
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elbow R (172, 132)
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wrist L (96, 158)
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wrist R (180, 156)
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hip L (130, 158)
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hip R (150, 158)
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knee L (124, 192)
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knee R (158, 190)
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ankle L (118, 222)
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ankle R (164, 224)
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-->
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<!-- Spine (neck → mid-hip) -->
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<line x1="140" y1="102" x2="140" y2="158" stroke-width="1.2"/>
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<!-- Shoulders crossbar -->
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<line x1="122" y1="110" x2="158" y2="110" stroke-width="1.0"/>
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<!-- Hips crossbar -->
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<line x1="130" y1="158" x2="150" y2="158" stroke-width="1.0"/>
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<!-- Left arm -->
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<line x1="122" y1="110" x2="108" y2="134" stroke-width="1.0"/>
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<line x1="108" y1="134" x2="96" y2="158" stroke-width="1.0"/>
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<!-- Right arm: slightly forward stance for asymmetry -->
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<line x1="158" y1="110" x2="172" y2="132" stroke-width="1.0"/>
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<line x1="172" y1="132" x2="180" y2="156" stroke-width="1.0"/>
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<!-- Left leg -->
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<line x1="130" y1="158" x2="124" y2="192" stroke-width="1.0"/>
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<line x1="124" y1="192" x2="118" y2="222" stroke-width="1.0"/>
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<!-- Right leg: slight stride -->
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<line x1="150" y1="158" x2="158" y2="190" stroke-width="1.0"/>
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<line x1="158" y1="190" x2="164" y2="224" stroke-width="1.0"/>
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<!-- Joint markers as small filled circles — these are the tracked points -->
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<g fill="currentColor" stroke="none">
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<circle cx="140" cy="102" r="1.6"/>
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<circle cx="122" cy="110" r="1.6"/>
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<circle cx="158" cy="110" r="1.6"/>
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<circle cx="108" cy="134" r="1.6"/>
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<circle cx="172" cy="132" r="1.6"/>
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<circle cx="96" cy="158" r="1.6"/>
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<circle cx="180" cy="156" r="1.6"/>
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<circle cx="130" cy="158" r="1.6"/>
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<circle cx="150" cy="158" r="1.6"/>
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<circle cx="124" cy="192" r="1.6"/>
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<circle cx="158" cy="190" r="1.6"/>
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<circle cx="118" cy="222" r="1.6"/>
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<circle cx="164" cy="224" r="1.6"/>
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</g>
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<!-- Head as the neural node: an open ring with a small dendritic spray
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radiating upward, encoding "neuro" — origin of the motor signal.
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Larger and more detailed than the joint markers to distinguish. -->
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<circle cx="140" cy="78" r="9" stroke-width="1.0"/>
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<!-- Dendrites: short branching strokes from the top half of the head -->
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<g stroke-width="0.6">
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<line x1="135" y1="71" x2="129" y2="62"/>
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<line x1="129" y1="62" x2="124" y2="58"/>
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<line x1="129" y1="62" x2="131" y2="55"/>
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<line x1="140" y1="69" x2="140" y2="56"/>
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<line x1="140" y1="56" x2="136" y2="50"/>
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<line x1="140" y1="56" x2="144" y2="50"/>
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<line x1="145" y1="71" x2="151" y2="62"/>
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<line x1="151" y1="62" x2="156" y2="58"/>
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<line x1="151" y1="62" x2="149" y2="55"/>
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</g>
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<!-- A central dot at the cortex — the source -->
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<circle cx="140" cy="78" r="1.8" fill="currentColor" stroke="none"/>
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<!-- Trajectory traces: thin dashed arcs at three of the limb endpoints,
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indicating tracked motion across frames. Sparse — three is enough. -->
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<g stroke-width="0.4" stroke-dasharray="1.5 2.5" opacity="0.7">
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<!-- Right wrist arc -->
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<path d="M 188 150 Q 192 156 180 156"/>
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<!-- Left ankle arc -->
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<path d="M 110 222 Q 114 226 118 222"/>
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<!-- Right ankle arc -->
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<path d="M 168 232 Q 165 226 164 224"/>
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</g>
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</g>
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</svg>
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