Encinitas Community Park, Ballfield Parking Lot

Municipal parking lot adjacent to athletic facilities with sidewalks, landscaped areas, buildings, mature trees, light poles, fencing, and parked vehicles.

Objective

  • Establish mapping fundamentals + repeatability
  • Measure and test absolute and relative accuracy
  • Test the geometry and relative accuracy of a large flat area model
ORTHOMOSAIC IMAGE OF THE ENCINITAS COMMUNITY PARK IN ENCINITAS, CALIFORNIA

Site Characteristics

Vertical surfaces (Buildings, structures)

  • Building walls
  • vehicle faces
  • Light posts

Vegetation

  • Mature deciduous trees
  • Shrubs and ground cover vegetation

Reflective surfaces:

  • Vehicles
  • Aluminum bleachers

Repetitive textures:

  • Parking stalls
  • Concrete sidewalks
  • Metal roofing

Elevation changes

  • ≈ 40’ elevation increase from the NW corner of the site to the south end of the site

Occlusion risks

  • Ballfield batting cages
  • Underside of mature trees
  • Vertical facades on buildings obstructed by roof overhangs

Risk Assessment

  • Minimal pedestrian traffic early in the morning
  • Occasional vehicle traffic
  • Major freeway adjacent to the site
  • Hospital helipad in the vicinity of the mission area

Measurement Controls

  • Launch Area Parking Stall
  • Slab Near Building
  • North Sidewalk
  • East Sidewalk
  • Baseball Table
  • Manhole Cover
  • Dark Sidewalk (SW)
A tape measure on a parking space to create measurement validation for photogrammetry project