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Raster images are defined in pixels. ie At every x,y location, whether it is black or white.

Vector images are defined by lines. eg From x,y to X,Y. Any pixel that lies between these points on a white background becomes black.

It is easier to convert Vector images to Raster images, rather than the other way.

Vector images are sometimes smaller (in data size). eg If the image contains one line, then the amount of data needed to store this is smaller than having to define every pixel in the image regardless of whether it is relevant.

Vector images can be scaled smaller and larger without any significant loss of detail. Raster images that have been made smaller lose clarity and cannot then be made larger to improve the quality.

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A vector of magnitude 3 cannot be added to a vector of magnitude 4 so the magnitude of the resultant is?

7


How will you multiply a vector by positive number?

A positive scalar multiplied by a vector, will only change the vector's magnitude, not the direction. A negative scalar multiplied by the vector will reverse the direction by 180°.


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A vector is a mathematical entity that has both magnitude and direction, typically represented as an arrow in space, while a line is a one-dimensional geometric figure that extends infinitely in both directions without any endpoints. Vectors can represent displacement, force, or velocity, whereas a line can be defined by a linear equation or two points. Essentially, a vector conveys a specific direction and length, while a line represents a continuous set of points with no inherent directionality or length.


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A vector is a mathematical object that has both magnitude and direction, often represented as an arrow in a coordinate system. Vectors can be represented in component form, such as (\mathbf{v} = (v_x, v_y)) in 2D or (\mathbf{v} = (v_x, v_y, v_z)) in 3D. To combine vectors, you can use vector addition, which involves adding their corresponding components; for example, (\mathbf{u} + \mathbf{v} = (u_x + v_x, u_y + v_y)). Additionally, vectors can be combined using scalar multiplication, where each component of the vector is multiplied by a scalar value.