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USING AUTOMATED SOLUTIONS
T. FAULKES, NOAA OFFICE OF COAST SURVEY
G. MASETTI AND C. KASTRISIOS, UNH CCOM/JHC
SURVEY VALIDATION
AND
CHART ADEQUACY
2
IS CODING LIKE MOUNTAINEERING?
▪ A task to achieve …
▪ … usually a bit daunting!
▪ You get some help
▪ Results == satisfaction!
3
A NOAA Python Distribution
PYDRO UNIVERSE
A Collection of Open-Source
Hydrographic Tools
A Growing Community of
People with Interests in
Ocean Mapping
PYDRO UNIVERSE & HYDROFFICE
HYDROFFICE
A Research Framework
to facilitate R2O
in Ocean Mapping
HYDROFFICE APPS
QC TOOLS
▪ Performs automated quality
control checks on surfaces
and final feature files.
7
▪ Find Fliers
▪ Holiday Finder
▪ Grid QA
▪ Feature Scan
▪ Many more!
CA TOOLS
▪ Performs chart adequacy
tasks by comparing survey
data and current ENCs
8
9
10
11
12
Favorite Tools
13
Which tool to improve first?
14
Hydrographic Survey Validation and Chart Adequacy Assessment Using Automated Solutions
16
17
Depth
Proxies
Identified
Fliers
Flier
Heights
Identified
Fliers
18
Which tool to improve first?
19
z
20
z
TRIANGULATED IRREGULAR NETWORK
21
22
z
10.2
4.5
4.8
23
z
10.2
4.5
4.8 5.1
24
z
10.2
4.8 5.1
4.5
25
z
10.2
4.8 5.1
4.5
26
z
10.2
4.5
4.8 5.1
TILTED TRIANGLE
27
FLAT TRIANGLES > POINT-IN-POLYGON TEST
28
29
30
31
THANKS!
Any questions?
▪ Visit: https://www.hydroffice.org

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Hydrographic Survey Validation and Chart Adequacy Assessment Using Automated Solutions