![]() If you’re wary of huge file sizes, cumbersome in terms of speed and space, it is best to choose to compress your raster file when saving it. Decreasing the size of an image is not generally deemed to reduce quality-although there will become a point where the amount of pixels held within the image struggle to fit. However, scaling is not always an issue with raster files. Stretching the image has no bearing on its quality, as the points will always go through the same coordinates, whatever the scale. Instead of relying on immovable building blocks, vectors contain points that are mapped out on coordinates. It is the complete opposite to how vector files work. This is why images that appear to be sharp and defined at one size, become blurred and pixelated at another. When the image is enlarged, the proportion of PPI (Pixels Per Inch) is reduced there is the same amount of information contained in a bigger area. We’re going over some of the basics here, but to fully understand raster graphics, it’s important that these facts are grasped.įull-color and detailed information might be great features for use in visuals, but a pre-defined amount of pixels in an image does not lend itself to the day-to-day needs of CAD and CNC design. Because they’re so small, pixels-each of which is able to display color information-can form intricacies of a picture without us even realizing they’re there. Raster files are made up of tiny pixels-the smallest element of the picture. So why all the moaning about them? Well, it’s usually because we want to use them in a manner not entirely coherent with their make up. If you’re convinced about the benefits of raster files, it is even possible to convert your vector image into one (although the software is primarily used the other way around). A version that aids functionality, and helps make dreams a reality. Without raster files-the beautiful big picture-we wouldn’t have such a clear need for a simplified version. In fact, the use of raster files within the design industries is the very reason necessitating programs like Scan2CAD. Such actions are helpful in developing ideation, winning over clients and focussing inspiration. ![]() In fact, many designers photoshop their designs to create stunning visuals depicting the end result of a project. Within design, we need highly detailed images to complement the minimalistic simplicity of vector graphics they are capable of showing the minutest feature with extraordinary clarity. ![]() Most of the images we see day to day are raster files, and this is because, quite simply, they look great. And this is that they are entirely fit for purpose. Raster files might generally be considered the baddies of graphics-they cannot be scaled, are resolution dependent and file sizes are unhelpfully large-but this should not detract from their main advantage. They’re big and bulky, but they’re also beautiful Here are our top picks of things you need to know about them. Today we’re focussing on the most common file types around: the humble raster. But we make no apology for it without them, there’d be far less design in the world. Here at Scan2CAD, we’re always banging on about different types of files.
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