301 | | /*************************************************************************/ |
302 | | /* ===================================================================== */ |
303 | | /* ReadNextBlock() */ |
304 | | /* ===================================================================== */ |
305 | | /*************************************************************************/ |
306 | | |
307 | | /** |
308 | | * Read the next data block from the driver cache to the remote server |
309 | | * data type is set in @see CreateRasterIOContext() |
310 | | * @param pData, data buffer to fill, if the data in the driver cache does not contain a value the buffer will be zero filled |
311 | | * @param papszOptions options for the driver implementation e.g. Quality="Xxx" to specify maximum jpip quality layers |
312 | | */ |
313 | | CPLErr GDALRasterIOContext::ReadNextBlock(void *pData, char **papszOptions) |
314 | | { |
315 | | // return a warning, this method should be overridden |
316 | | return CE_Warning; |
317 | | } |
318 | | |