Solution for collaboration between MicroStation and ArcGIS

Overall technical route:

1. MicroStation is used as the frontend for drawing and 3D display;

2. Use ArcSde + Oralce Spatial for Spatial Database Management

3. Use ArcEngine to develop standard WebService to implement interfaces for interaction between the MicroStation and the ArcSde Spatial Data Engine

First, we will analyze the main element type ArcGIS. IGeometry object of MicroStation.

Point3d point ipoint point elements (x, y, z supported)

Pointstring point string multipoints multi-point element

Line ISegment (ILine) ILine type

LineString should be IPath

ComplexString complex chain ipolympus line

Arc (circle or elliptical) ISegment (ICircleArc/IEllipseArc)

Curve curves use node fitting

A Shape line consists of only one Polygon where all ISegment is ILine's IRing.

ComplexShpae a complex Polygon composed of multiple linear shapes, such as straight lines, curves, and arc segments, has only one IRing Polygon

CellHeader opening Polygon or Polygon

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