samples:samples:udflayervector
Table of Contents
UDFLayerVector sample
Documentation | Samples | UDFLayerVector
Summary
How to add support to a new layer vector file format using User Defined Layer.
Description
This sample illustrates use of:
| Name | Description |
|---|---|
| TGIS_LayerVectorUDF.GetShapeGeometryEvent | GetShapeGeometry event. |
| TGIS_LayerVectorUDF.GetLayerExtentEvent | GetLayerExtent event. |
| TGIS_LayerVectorUDF.GetShapeFieldEvent | GetShapeField event. |
| TGIS_LayerVectorUDF.GetLayerStructureEvent | Event fired to get layer structure. |
| TGIS_LayerVectorUDF.LayerMoveFirstEvent | LayerMoveFirst event. |
| TGIS_LayerVectorUDF.LayerMoveNextEvent | LayerMoveNext event. |
| TGIS_LayerVectorUDF.LayerEofEvent | LayerEof event. |
| TGIS_LayerVectorUDF.InMemory | If True, all shapes will be kept in memory, otherwise will disc-based. |
| TGIS_BufferedFileStream | Buffered file stream. |
| TGIS_Stream.ReadLine | Read line from text file up to CR. |
| TGIS_Tokenizer | A simple tokenizer for parameters line splitting. |
Code
This sample is available on following platforms (click to see source code):
2020/05/26 09:38