Maximum allowable Less than 3 pixels Less than 3 pixels image shear Sidelap Urban areas minimum 15% or greater. Minimum 20% or greater. Acceptable image Imagery should be blemish blemishes and Imagery should be blemish and artifact free. and artifact free. artifacts Smearing caused by turbulence is not Smearing acceptable. Smearing from DEM inaccuracies or Occlusions occlusions that exceed 3% of a 3mile by 3mile area are not acceptable. Must be consistent across Contrast Must be consistent across the block. the block. Must be consistent across Color Balance Must be consistent across the the block. Bridge or roadway warp is Bridge smear Bridge or roadway warp is not acceptable. not acceptable. Visible joins between Building seamline Visible joins between ortho-images and flight and flight lines within sheer lines within each block should be avoided. each block should be avoided. Minimize building lean. Assess buildings over 60ft tall that are not at nadir for lean. Move Building Lean Minimize building lean. seamlines to use the most nadir data. Ensure that roads are visible. Project Extents: The Outline in the exhibit above is the Desired Urban Area Extent. Products 1 and 2 must capture urban area with this extent for 2017. Products 5 and 6 must be acquired for this full extent for 2019. The Blue Outline in the exhibit above is the Desired Eastern Pima County Extent. Products 3, 4, 7 and 8 must be provided for this full extent for 2017 and 2019. Product 1: 2017 Urban Area Ortho (minimum 15cm 4-band) Product 2: 2017 Urban Area Elevation (minimum 0.4M NPS density) Product 3: 2017 Eastern Pima County Ortho (minimum 30cm 4-band) Product 4: 2017 Eastern Pima County Elevation (minimum 0.8M NPS density) Product 5: 2019 Urban Area Ortho (minimum 15cm 4-band) Product 6: 2019 Urban Area Elevation (minimum 0.4M NPS density) Product 7: 2019 Eastern Pima County Ortho (minimum 30cm 4-band) Product 8: 2019 Eastern Pima County Elevation (minimum 0.8M NPS density) Appendix C
Maximum allowable image shear Less than 3 pixels Less than 3 pixels Sidelap Urban areas minimum 15% or greater. Minimum 20% or greater. Acceptable image blemishes and artifacts Imagery should be blemish and artifact free. Imagery should be blemish and artifact free. Smearing Smearing caused by turbulence is not acceptable. Occlusions Smearing from DEM inaccuracies or occlusions that exceed 3% of a 3mile by 3mile area are not acceptable. Contrast Must be consistent across the block. Must be consistent across the block. Color Balance Must be consistent across the Must be consistent across the block. Bridge smear Bridge or roadway warp is not acceptable. Bridge or roadway warp is not acceptable. Building seamline sheer Visible joins between ortho-images and flight lines within each block should be avoided. Visible joins between and flight lines within each block should be avoided. Building Lean Minimize building lean. Assess buildings over 60ft tall that are not at nadir for lean. Move seamlines to use the most nadir data. Ensure that roads are visible. Minimize building lean. Project Extents: The Outline in the exhibit above is the Desired Urban Area Extent. Products 1 and 2 must capture urban area with this extent for 2017. Products 5 and 6 must be acquired for this full extent for 2019. The Blue Outline in the exhibit above is the Desired Eastern Pima County Extent. Products 3, 4, 7 and 8 must be provided for this full extent for 2017 and 2019. Product 1: 2017 Urban Area Ortho (minimum 15cm 4-band) Product 2: 2017 Urban Area Elevation (minimum 0.4M NPS density) Product 3: 2017 Eastern Pima County Ortho (minimum 30cm 4-band) Product 4: 2017 Eastern Pima County Elevation (minimum 0.8M NPS density) Product 5: 2019 Urban Area Ortho (minimum 15cm 4-band) Product 6: 2019 Urban Area Elevation (minimum 0.4M NPS density) Product 7: 2019 Eastern Pima County Ortho (minimum 30cm 4-band) Product 8: 2019 Eastern Pima County Elevation (minimum 0.8M NPS density) Appendix C
RFQ-2018-05-OrthophotoElevation.docx