Overview
CorrData supports importing GIS data from multiple sources:- ArcGIS Feature Services - Connect directly to Esri services for live sync
- Shapefiles - Upload ZIP files containing shapefile data
Import Wizard
The Import Wizard guides you through the process:ArcGIS Feature Service
Supported Services
- ArcGIS Online hosted services
- ArcGIS Enterprise services
- Public ArcGIS services
Authentication
CorrData supports API key authentication for ArcGIS services:Sync Schedules
| Schedule | Description |
|---|---|
| Manual | Import only when triggered |
| Daily | Sync once per day |
| Weekly | Sync once per week |
Shapefile Import
Supported Formats
Upload a ZIP file containing:.shp- Shape file (required).dbf- Attribute database (required).shx- Shape index (required).prj- Projection file (recommended)
Coordinate Systems
CorrData automatically transforms coordinates to WGS84 (EPSG:4326). Supported source CRS:- NAD83 (EPSG:4269)
- NAD27 (EPSG:4267)
- State Plane coordinate systems
- UTM zones
Field Mapping
Auto-Suggestions
CorrData uses fuzzy matching to suggest field mappings:| Source Field | Suggested Target | Confidence |
|---|---|---|
| PIPE_NAME | name | 95% |
| DIAMETER | attributes.diameter_inches | 80% |
| MATERIAL | attributes.material_type | 85% |
Templates
Pre-built templates for common schemas:- Pipeline Default - Standard pipeline fields
- Segment Default - Segment-specific fields
- Test Station Default - Test station fields
- Rectifier Default - Rectifier fields
Conflict Resolution
When importing records that may already exist:| Option | Behavior |
|---|---|
| Skip | Don’t import if external_id exists |
| Update | Update existing record with new data |
| Create New | Always create a new record |