Aerial_Photography/MiddleRiver_20200521

View In: ArcGIS JavaScript ArcGIS Online Map Viewer ArcGIS Earth

Service Description: Imagery Acquisition:The imagery was collected using a DJI Mavic 2 Pro UAS, operating at 200’ above ground level, along one single flight line following the center line of Middle River from Undine road to 1 mile downstream of Howard road. The field collection was controlled by a DJI Smart Controller running the DJI Pilot app.Software Processing:Images were imported into ArcGIS Pro 2.5 using the Ortho Mapping workspace tool, block adjusted, and an Orthomosaic was generated. No external control points were used for this project.Adjustment summary from ArcGIS Pro:Number of Adjusted Images 439Number of Tie Points 803981Number of Solution Points 237993Mean Reprojection Error (pixel) 0.34Ground Resolution (m/pixel) 0.014Adjustment Type FrameGround Control Points Involved in Adjustment NoThis is an official DWR Image Service, which meets all appropriate requirements of theDWR Spatial Data Standards, specifically the DWR Spatial Data Standard version 3.1,dated September 11, 2019.DWR makes no warranties or guarantees —either expressed or implied— as to the completeness, accuracy, or correctness of the data. DWRneither accepts nor assumes liability arising from or for any incorrect,incomplete, or misleading subject data.This Image Service was published on 5/28/2020, by Gregory Twist of the DWR Division of Engineering, who may be contacted at 916-653-2700, or at gregory.twist@water.ca.gov. Comments, problems, improvements, updates, or suggestions should be forwarded to the official DWR point of contact as available and appropriate.

Name: Aerial_Photography/MiddleRiver_20200521_1

Description: Imagery Acquisition:The imagery was collected using a DJI Mavic 2 Pro UAS, operating at 200’ above ground level, along one single flight line following the center line of Middle River from Undine road to 1 mile downstream of Howard road. The field collection was controlled by a DJI Smart Controller running the DJI Pilot app.Software Processing:Images were imported into ArcGIS Pro 2.5 using the Ortho Mapping workspace tool, block adjusted, and an Orthomosaic was generated. No external control points were used for this project.Adjustment summary from ArcGIS Pro:Number of Adjusted Images 439Number of Tie Points 803981Number of Solution Points 237993Mean Reprojection Error (pixel) 0.34Ground Resolution (m/pixel) 0.014Adjustment Type FrameGround Control Points Involved in Adjustment NoThis is an official DWR Image Service, which meets all appropriate requirements of theDWR Spatial Data Standards, specifically the DWR Spatial Data Standard version 3.1,dated September 11, 2019.DWR makes no warranties or guarantees —either expressed or implied— as to the completeness, accuracy, or correctness of the data. DWRneither accepts nor assumes liability arising from or for any incorrect,incomplete, or misleading subject data.This Image Service was published on 5/28/2020, by Gregory Twist of the DWR Division of Engineering, who may be contacted at 916-653-2700, or at gregory.twist@water.ca.gov. Comments, problems, improvements, updates, or suggestions should be forwarded to the official DWR point of contact as available and appropriate.

Single Fused Map Cache: false

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Initial Extent:

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Pixel Size X: 0.012712197372596202

Pixel Size Y: 0.012712197372596601

Band Count: 3

Pixel Type: U8

RasterFunction Infos: {"rasterFunctionInfos": [{ "name": "None", "description": "", "help": "" }]}

Mensuration Capabilities: Basic

Inspection Capabilities:

Has Histograms: true

Has Colormap: false

Has Multi Dimensions : false

Rendering Rule:

Min Scale: 0

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Copyright Text: Michael Baldwin, P.E., California Department of Water Resources, NCRO

Service Data Type: esriImageServiceDataTypeRGB

Min Values: 0, 0, 0

Max Values: 255, 255, 255

Mean Values: 131.63607896105407, 136.54779707906766, 115.63823691972833

Standard Deviation Values: 52.23481558948277, 46.625065083400315, 45.66559150632255

Object ID Field:

Fields: None

Default Mosaic Method: Center

Allowed Mosaic Methods:

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Mosaic Operator: First

Default Compression Quality: 75

Default Resampling Method: Bilinear

Max Record Count: null

Max Image Height: 4100

Max Image Width: 15000

Max Download Image Count: null

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Allow Raster Function: true

Allow Copy: true

Allow Analysis: true

Allow Compute TiePoints: false

Supports Statistics: false

Supports Advanced Queries: false

Use StandardizedQueries: true

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Edit Fields Info: null

Ownership Based AccessControl For Rasters: null

Child Resources: Info Histograms Statistics Key Properties Legend Raster Function Infos

Supported Operations: Export Image Identify Measure Compute Histograms Compute Statistics Histograms Get Samples Compute Class Statistics Query Boundary Compute Pixel Location Compute Angles Validate Project

Aerial_Photography/MiddleRiver_20200521_1 (ImageServer)