转自原文 esriFeatureType与esriGeometryType的区别与联系
esriFeatureType通常用来表示数据的存储结构，即物理层；
esriGeometryType通常用来表示数据的几何形状，即表现层。
esriGeometryType枚举类型详解 |
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常量 |
值 |
对象 |
esriGeometryNull |
0 |
未知类型（Unknown） |
esriGeometryPoint |
1 |
点（Point） |
esriGeometryMultipoint |
2 |
多点（Multipoint） |
esriGeometryLine |
13 |
线段（Line） |
esriGeometryCircularArc |
14 |
圆弧（CircularArc） |
esriGeometryEllipticArc |
16 |
椭圆弧（EllipticArc） |
esriGeometryBezier3Curve |
15 |
贝兹曲线（BezierCurve） |
esriGeometryPath |
6 |
路径（Path） |
esriGeometryPolyline |
3 |
多段线（Polyline） |
esriGeometryRing |
11 |
环（Ring） |
esriGeometryPolygon |
4 |
多边形（Polygon） |
esriGeometryEnvelope |
5 |
外包（Envelope） |
esriGeometryAny |
7 |
任何类型（Any valid geometry） |
esriGeometryBag |
17 |
任意几何类型的集合（GeometryBag） |
esriGeometryMultiPatch |
9 |
表面几何（MultiPatch） |
esriGeometryTriangleStrip |
18 |
三角带（TriangleStrip） |
esriGeometryTriangleFan |
19 |
三角扇形（TriangleFan） |
esriGeometryRay |
20 |
射线（Ray） |
esriGeometrySphere |
21 |
球体（Sphere） |
esriGeometryTriangles |
22 |
三角形（Triangles） |
esriFeatureType枚举类型详解 |
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常量 |
值 |
描述 |
对象 |
esriFTSimple |
1 |
Polygons, polylines, and points representing objects or places that have area, such as water bodies; linear objects, such as rivers; and localized positions, such as houses or sample sites. |
Simple Feature. |
esriFTSimpleJunction |
7 |
Simple junction feature in a geometric network representing point objects, such as a fuse, service point, or telephone pole. |
Simple Junction Feature. |
esriFTSimpleEdge |
8 |
Simple edge feature in a geometric network representing polyline objects, such as primary or secondary overheads. |
Simple Edge Feature. |
esriFTComplexJunction |
9 |
Complex junction feature in a geometric network, not in general use. |
Complex Junction Feature. |
esriFTComplexEdge |
10 |
Complex edge feature in a geometric network representing polyline objects such as primary overheads, which have midspan connectivity. Network resources flow through complex edge without interruption by midspan connectivity. |
Complex Edge Feature. |
esriFTAnnotation |
11 |
Place or object names or identifiers, such as street names, hydrant ID numbers, land values, or elevation. |
Annotation Feature. |
esriFTCoverageAnnotation |
12 |
Place or object names or identifiers, such as street names, hydrant ID numbers, land values, or elevation. Not supported in geodatabases, only supported in coverage datasets. |
Coverage Annotation Feature. |
esriFTDimension |
13 |
Measurements, such as distances, lengths, widths, and depths. |
Dimension Feature. |
esriFTRasterCatalogItem |
14 |
A raster dataset in a raster catalog that has information, such as footprints, names, metadata, and any other user-defined attributes. |
Raster C |
