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Traversing Basics. N. raw measures: SD (note chain is straight), slope (of chain), bearing Calculate: HD & DE (note loss of detail) mapping: Brg & HD (label with Elev spot ht.) – discussed later. SD. DE. slope. “mapping plane” 1 : 1 scale. HD. Traverse Notes. Start from bottom
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Traversing Basics N raw measures: SD (note chain is straight), slope (of chain), bearing Calculate: HD & DE (note loss of detail) mapping: Brg & HD (label with Elev spot ht.) – discussed later SD DE slope “mapping plane” 1 : 1 scale HD
Traverse Notes • Start from bottom • Zigzag up