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<!-- label -->
<path d="M25,25 l100,0"/>
<path style="fill:#000000;stroke:none" d="M125,20 l10,5 l-10,5 z"/>
<!-- label -->
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<text x="25" y="-143" style="fill:#000000;stroke:none" text-anchor="middle">UP</text>
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<g transform="rotate(90)" style="font-size:14">
<text x="25" y="-143" style="fill:#000000;stroke:none" text-anchor="middle">UP</text>
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