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Raster data is computationally less expensive to render than vector graphics; Combining values and writing custom formulas for combining values from different layers are much easier using raster data. There are transparency and aliasing problems when overlaying multiple stacked pieces of raster images.
Raster or gridded data may be the result of a gridding procedure. A single numeric value is then stored for each pixel. For most images, this value is a visible color, but other measurements are possible, even numeric codes for qualitative categories. Each raster grid has a specified pixel format, the data type for each
The data stored in an image file format may be compressed or uncompressed. If the data is compressed, it may be done so using lossy compression or lossless compression. For graphic design applications, vector formats are often used. Some image file formats support transparency. Raster formats are for 2D images.
Nrrd ("nearly raw raster data") is a library and file format for the representation and processing of n-dimensional raster data. It was developed by Gordon Kindlmann [ 1 ] to support scientific visualization and image processing applications.
The BMP file format, or bitmap, is a raster graphics image file format used to store bitmap digital images, independently of the display device (such as a graphics adapter), especially on Microsoft Windows [2] and OS/2 [3] operating systems.
Raster graphic image. In computer graphics, rasterisation (British English) or rasterization (American English) is the task of taking an image described in a vector graphics format (shapes) and converting it into a raster image (a series of pixels, dots or lines, which, when displayed together, create the image which was represented via shapes).
CALS raster file format .cal, .cals, .ras, .dcl CIFF: Camera Image File Format Canon.crw, .ciff CR2: Canon RAW 2 Canon: TIFF .cr2 CDR: CorelDRAW Document Corel Corporation.cdr, .ccx, .cdt, .cmx application/coreldraw CorelDRAW No CD5: Chasys Draw IES Image John Paul Chacha .cd5 Native format for Chasys Draw IES for storing layered images and ...
Raster-based stacked surfaces depict the surface of each buried geologic unit, and can accommodate data on lateral variations of physical properties. In this example from Soller and others (1999), [32] the upper surface of each buried geologic unit was represented in raster format as an ArcInfo Grid file. The middle grid is the uppermost ...