ImageI/O-Ext 1.1.2 Released

Dear all,GeoSolutions is pleased to announce the ImageI/O-Ext 1.1.2 release. With respect to 1.1.1, it adds a few bug fixes as well as improvements for the Tiff reader as well as on how we manage file memory mapping to provide a nice performance boost on remotely mounted file systems, e.g. NFS.Release artifacts have been deployed on the GeoSolutions maven repository, as well as on the OSGEO one.It is worth to notice that we are right now discussing with the GeoServer community for switching the GeoServer 2.1.x branch to this new ImageI/O-Ext release (the unstable trunk version already leverages on this newest ImageI/O-Ext) .If...


ImageI/O-Ext 1.1-RC1 Released

Dear all,GeoSolutions is pleased to announce the ImageI/O-Ext 1.1-RC1 release which has been incubating for a long time.Changes with respect to 1.0.x series can be summarised as follows:Out-of-the-box Support for GDAL 1.7.3, which means no more patches are needed for GDAL Java bindings in order to access it from ImageI/O-Ext.BigTiff support, breaking the 4GB TIFF limit.EnhancedImageReadParam support. It extends the standard ImageReadParam by implementing Cloneable (used when supporting MultiThreading read operation) and a new DestinationRegion param to support oversampling/subsampling without specifying sourceSubSampling parameters. This may be used when dealing with readers which internally take care of performing subSampling/overSampling, such as the...


WorldFile explained (or at least we tried!)

There is a lot of confusion around about what world file represents therefore we thought it would have been nice to put together a couple of clarifications.The World FileWorld File is a de-facto standard from early days of ESRI desktop GIS applications. Originally it was composed by at least two files, a raster file, let' say a file.tiff,  and another file (most part of the times called file.wld)  that contains numbers that define the affine transformation between the image and the target spatial reference system. This implicitly means that we are talking about georectified raster data. This wld file is what...