The ornamental design for a displayscreen or portion thereof with a graphicaluserinterface, as shown and described.
FIG. 1 is a front view of a display screen or portion thereof with a graphical user interface, showing the new design; and,
FIG. 2 is a front view of the display screen or portion thereof with a second embodiment of the graphical user interface.
The outermost dashed broken lines illustrate the environment of the design and form no part of the claimed design.
The de-emphasized half-tone portions illustrate the environment of the design or portions of the graphical user interface, and form no part of the claimed design. The dot-dash broken lines in the figures show boundaries that form no part of the claimed design. The areas within the dot-bash broken lines show portions of the graphical user interface that form part of the claimed design.
Cubic or spherical mapped content for presentation of pre-rendered images viewed from a fixed point of view in HTML, javascript and/or XML for virtual reality applications