Re: [gdal-dev] Efficiency question for using the OGR API

2010-10-12 Thread Frank Warmerdam
Peter J Halls wrote: Dear All, when needing to have multiple output channels open through OGR to the same location, is it generally more efficient to open a new datasource / OGR instance for each channel / output layer, or to open one datasource / Ogr instance and maintain a list of layer

[gdal-dev] Efficiency question for using the OGR API

2010-10-12 Thread Peter J Halls
Dear All, when needing to have multiple output channels open through OGR to the same location, is it generally more efficient to open a new datasource / OGR instance for each channel / output layer, or to open one datasource / Ogr instance and maintain a list of layer handles for each of th