On Orbital Labeling with Circular Contours
arxiv(2024)
摘要
Schematic depictions in text books and maps often need to label specific
point features with a text label. We investigate one variant of such a
labeling, where the image contour is a circle and the labels are placed as
circular arcs along the circumference of this circle. To map the labels to the
feature points, we use orbital-radial leaders, which consist of a circular arc
concentric with the image contour circle and a radial line to the contour. In
this paper, we provide a framework, which captures various dimensions of the
problem space as well as several polynomial time algorithms and complexity
results for some problem variants.
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