JPEG (Joint Photographic Expert Group) is the most common of the image formats. It is the default setting for most of the digital cameras. It provides lossy compression method meaning that the image data is compressed to make them small enough to be uploaded to the web. The image quality though is high, and only professionals may notice the difference between JPEG and other more advanced formats offering better quality. DDS (DirectDraw Surface) format is very different from JPEG. The main difference between DDS, JPEG and other formats is that DDS is a texture file, whereas JPEG is an image file. DDS files can contain information that other images won’t support: mipmaps, cube maps, volume textures. DDS was created specifically for the real time rendering applications such as 3D games.
ImageConverter Plus is especially useful when there is a texture problem. 3D games allow creating and editing characters, but this does not always work well – some textures may appear over the models, or black parts cover the screen. To avoid this one needs an image converter supporting DDS. ImageConverter Plus provides comprehensive support of the DDS format with multiple surface characteristics. The software makes it possible to generate mipmaps where applicable. Still, these options are mainly for advanced users. All the necessary parameters are set with the software by default, so you don’t need to worry too much about the conversion specifics. ImageConverter Plus is one of very few software applications available in the market supporting the DDS as an output format. This ability is really valuable for any texture problems that are more frequent than it seems.
Raster and Vector
There are two types of computer graphics – raster and vector. You probably know that vector graphics mean a set of individual dots of color called pixels creating an effect of a mosaic. Vector graphics use a different type of image reflection – mathematical. A vector image consists of geometrical shapes – straight lines, curves, multangular shapes, circles, etc. Processing these two types of images, for instance, changing their size, requires different approaches. If you significantly enlarge a raster image what you will see is a patchwork blanket with vivid pixels. Vector image will remain well defined. Each type of computer graphics has both advantages and disadvantages. Raster graphics are more popular. Raster images are widely used in everyday and professional life. Often there is a need to convert a vector image into a raster one. If for instance you are a designer and want to copyright your vector image, you should convert your vector image into a raster image. This conversion will be very smooth with ImageConverter Plus. Do not forget about one significant disadvantage of the raster graphics – the file size will be very large. Changing the image size though is also quite easy with ImageConverter Plus.
Use command-line of ImageConverter Plus to convert JPEG to DDS. The example below shows how to convert the images considering the DDS format specification.