cast_font_sf | Convert font into Spatial SF object |
cast_packing_poly | Cast a polygon created with 'create_poly_packings' as an SF... |
circle_height | Calculate circle height |
create_circle_plate | Create a plate of circles on which the ishihara plate will be... |
create_poly_packings | Create polygons of a given area that do not overlap |
font_center | Font Center |
font_increase | Font increase |
font_rescale | Rescale the font to fit inside the circle packings |
gg_ishihara | Plot the ishihara plate |
glyph | Create a text polygon |
ishihara_data | Create Ishihara data |
overlay_text_in_circle | Overlay text over circle packings and identify intersections |
pipe | Pipe operator |
prop_circle_height | Proportion of the height of packed circles |
sf-helper | Is an SF object within or intersecting some other SF object? |
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