Layers:

Layer: silkroad_freight_evolution (0)


Name: silkroad_freight_evolution

Display Field:

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description:

Copyright Text:

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 1000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: 6883117.88667877
YMin: 4139731.44834673
XMax: 10537736.7694219
YMax: 5712041.10668836
Spatial Reference: 102100 (3857)


Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: false

HTML Popup Type: esriServerHTMLPopupTypeNone

Object ID Field: ObjectId

Unique ID Field:

Name : ObjectId

IsSystemMaintained : True


Global ID Field:

Type ID Field:

Fields:
• name (type: esriFieldTypeString, alias: name, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• lat (type: esriFieldTypeDouble, alias: lat, SQL Type: sqlTypeFloat, nullable: true, editable: true)
• lon (type: esriFieldTypeDouble, alias: lon, SQL Type: sqlTypeFloat, nullable: true, editable: true)
• evolution_type (type: esriFieldTypeString, alias: evolution_type, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• description_zh (type: esriFieldTypeString, alias: description_zh, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• description_ja (type: esriFieldTypeString, alias: description_ja, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• ObjectId (type: esriFieldTypeOID, alias: ObjectId, SQL Type: sqlTypeInteger, length: 0, nullable: false, editable: false)

Templates:

Name: New Feature
Description:
Drawing Tool: esriFeatureEditToolPoint
Prototype:

Attributes:


Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 5/19/2026 9:18:08 AM

Schema Last Edit Date: 5/19/2026 9:18:08 AM

Data Last Edit Date: 5/19/2026 9:18:08 AM