Layers:

Layer: Simplified Coastal Flood Hazard Zone0 Current (0)


Name: Simplified Coastal Flood Hazard Zone0 Current

Display Field: Name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description:

CFHZ, RFHZ (Priority Rivers) and RFHZ (Regionwide Models) scenario datasets (originally downloaded from the NRC Open Data Hub) have been simplified for optimal web display.

Three simplification methods were initially tested and supplied by Morphum. The "Subdivide & Multipart to Singlepart" method selected and applied to all the hazard datasets

Method Steps:

Step 1: Split data into 5km2 polygons using the Subdivide Geoprocessing tool.

Step 2: Convert multipart polygons to single part polygons using the Multipart to Singlepart Geoprocessing tool

dataset_name_S indicates step 1 outputs

dateset_name_S_S indicates step 2 outputs

Other Details:

Note:

• The Hazard Property Viewer uses the simplified layer (Step 2 Output as mentioned under Method Step section)

• All the Original Simplified Coastal Flood Hazard layers had Rangaunu area missing

• Hence Coastal Flood Hazard Layers with the Rangaunu area were taken and the steps mentioned under the Method Steps section were followed

Section A: Data that was simplified by Morphum (Original Simplified Data)

MEL: Morphum Environmental

Name of the layer in sde: MEL_CFHZ0_Current_S_S

Ella Mroczek at Morphum Environmental Ltd did the process on behalf of NRC (contact: ella.mroczek@morphum.com)

Section B: Data that was simplified again by NRC

NRC: Northland Regional Council

Name of the layer in sde: NRC_CFHZ0_Current_S_S

NRC_CFHZ0_Current_S_S was produced on 17th Nov 2023 by Divya S



Copyright Text: NRC, Morphum Environmental Ltd

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: 1567228.3202
YMin: 5971869.5
XMax: 1745534.17303242
YMax: 6194215.11914091
Spatial Reference: 2193 (2193)


Drawing Info:

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HasZ: false

HasM: true

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True


Global ID Field:

Type ID Field:

Fields:
• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• Name (type: esriFieldTypeString, alias: Name, SQL Type: sqlTypeOther, length: 100, nullable: true, editable: true)
• CFHZ0 (type: esriFieldTypeDouble, alias: CFHZ0, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Model (type: esriFieldTypeString, alias: Model, SQL Type: sqlTypeOther, length: 100, nullable: true, editable: true)
• ORIG_FID (type: esriFieldTypeInteger, alias: ORIG_FID, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Name: Simplified Coastal Flood Hazard Zone0 Current
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:


Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 12/4/2023 10:57:59 PM

Schema Last Edit Date: 12/4/2023 10:57:59 PM

Data Last Edit Date: 12/4/2023 10:08:29 PM