set GA_Update flag in order remove ERROR 8: band 1: Attempt to write to read only dataset inGDALRasterBand::Fill()

9 years ago · decdae515b
parent 9ff14bc411
commit decdae515b
1 changed files with 1 additions and 1 deletions
--- a/modules/imgcodecs/src/grfmt_gdal.cpp
+++ b/modules/imgcodecs/src/grfmt_gdal.cpp
@ -461,7 +461,7 @@ bool GdalDecoder::readData( Mat& img ){
 bool GdalDecoder::readHeader(){

    // load the dataset
-    m_dataset = (GDALDataset*) GDALOpen( m_filename.c_str(), GA_ReadOnly);
+    m_dataset = (GDALDataset*) GDALOpen( m_filename.c_str(), GA_Update);

    // if dataset is null, then there was a problem
    if( m_dataset == NULL ){