| add_feature | Add a surface's feature to a 'ggplot2' instance |
| baseball_base | One of the bases on the diamond, or really any base on the... |
| baseball_batters_box | The batter's boxes on the field. This is where a batter must... |
| baseball_catchers_box | The catcher's box. This is where the catcher is located on... |
| baseball_features_set_colors | Set the colors to be used for the plot. The values provided... |
| baseball_foul_line | The foul line. These are the white lines that extend from the... |
| baseball_home_plate | Home plate. This is a pentagonal shape with its back tip... |
| baseball_infield_dirt | The dirt that comprises the infield. This includes the base... |
| baseball_infield_grass | The dirt that comprises the infield grass. This is the area... |
| baseball_pitchers_mound | The pitcher's mound. This is where the pitcher's plate is... |
| baseball_pitchers_plate | The pitcher's plate. This is where the pitcher must throw the... |
| baseball_running_lane | The running lane is entirely in foul territory. The depth... |
| basketball_backboard | The backboard is the backing onto which the basket ring... |
| basketball_basket_ring | The hoop through which the ball must pass to score points for... |
| basketball_center_circle_fill | The center circle is broken into two parts: the... |
| basketball_center_circle_outline | The center circle is broken into two parts: the outline (this... |
| basketball_court_apron | The apron of the court is the colored boundary around the... |
| basketball_division_line | The division line divides the court into two halves, and is... |
| basketball_endline | The endline on a basketball court, also called the baseline,... |
| basketball_features_set_colors | Set the colors to be used for the plot. The values provided... |
| basketball_free_throw_circle | The outline of the free throw circle. The interior filling... |
| basketball_free_throw_circle_dash | On some courts, there are a series of dashes that comprise... |
| basketball_free_throw_circle_fill | The filled-in section of the free throw circle. The circle is... |
| basketball_free_throw_lane_boundary | The lines providing the boundary to the free throw lane. When... |
| basketball_half_court | Each half court spans from the inner edge of the baseline to... |
| basketball_inbounding_line | The inbounding line is where the ball is inbounded on the... |
| basketball_lane_space_mark | The lane space marks, also known as the blocks, denote where... |
| basketball_lower_defensive_box_mark | The lower defensive box is an imaginary box on the court... |
| basketball_net | To make the basket ring easier to identify, the nets will... |
| basketball_painted_area | The painted area is the area contained by the free throw lane... |
| basketball_restricted_arc | The arc located in the free-throw lane is called the... |
| basketball_sideline | The sideline on a basketball court run the full length of the... |
| basketball_substitution_line | The substitution line is where players checking into the game... |
| basketball_team_bench_line | Players not in the game must stay within the team bench lines... |
| basketball_three_point_line | An arc on the court, behind which any made basket counts as... |
| basketball_two_point_range | If a court has a three-point line (see... |
| cani_color_league_features | Check to see what features of a surface can be colored |
| cani_plot_league | Check to see if a league can be plotted, and alert as to... |
| cani_plot_sport | Check to see if a sport can be plotted, and alert as to which... |
| convert_units | Convert all units, regardless of starting and ending units |
| create_circle | Create a set of 'x' and 'y' coordinates that form a circle... |
| create_diamond | Create a set of 'x' and 'y' coordinates that form a diamond.... |
| create_plot_base | Create the base for the 'ggplot2' instance with the correct... |
| create_rectangle | Create a set of 'x' and 'y' coordinates that form a rectangle |
| create_square | Create a set of 'x' and 'y' coordinates that form a square.... |
| create_x_shape | Create a set of 'x' and 'y' coordinates that form an "X"-like... |
| curling_back_line | The back line is the line in the back of the house. Its outer... |
| curling_button | The inner-most of the concentric circles comprising the house... |
| curling_centre_line | The centre line is the line that runs the full length of the... |
| curling_centre_zone | The curling sheet is the entire sheet, with the houses at... |
| curling_courtesy_line | The courtesy lines are where players stand during the... |
| curling_end | The curling sheet is the entire sheet, with the houses at... |
| curling_features_set_colors | Set the colors to be used for the plot. The values provided... |
| curling_hack_foothold | The hack exits on both sides of the curling sheet between the... |
| curling_hack_line | The hack line connects the two footholds at each hack. It... |
| curling_hog_line | The hog line is the line that begins the Free Guard Zone at... |
| curling_house_ring | The house is comprised of three concentric circles outside of... |
| curling_sheet_apron | The apron of the sheet is what separates adjacent sheets, and... |
| curling_tee_line | The tee line is the line that runs through the center of the... |
| distance_formula | Get the Euclidean distance between two points |
| football_coaching_box | The coaching box is the area between the restricted area and... |
| football_coaching_box_line | The coaching box line is the line that separates the team... |
| football_directional_arrow | The directional arrows point towards the nearest goal line... |
| football_end_line | The end line is the line beyond the back of the endzone. Its... |
| football_endzone | The endzones are the area beyond the goal line. Any offensive... |
| football_features_set_colors | Set the colors to be used for the plot. The values provided... |
| football_field_apron | The field should have an apron to appropriately see all... |
| football_field_border | The field border is the border line around the outer edge of... |
| football_field_border_outline | The field border's outline is the outline around the outer... |
| football_goal_line | The goal lines are the lines the ball must cross while being... |
| football_half_field | Each half of the football field spans from the edge of the... |
| football_major_yard_line | The major yard lines are the yard lines that span the entire... |
| football_minor_yard_line | The minor yard lines are the yard lines in between all of the... |
| football_red_zone_border | The field border (see 'football_field_border()') may have a... |
| football_red_zone_border_outline | The outline of the 'football_red_zone_border()' may be a... |
| football_restricted_area | The restricted area is the area nearest the sideline's... |
| football_sideline | The sidelines are the lines that run the length of the field,... |
| football_team_bench_area | The team bench area is the area beyond the restricted area... |
| football_team_bench_area_outline | The outline of the team bench area runs beyond the team... |
| football_try_mark | The try mark is the mark from which all tries start. This... |
| geom_baseball | Generate a 'ggplot2' instance containing a baseball field for... |
| geom_basketball | Generate a 'ggplot2' instance containing a basketball court... |
| geom_curling | Generate a 'ggplot2' instance containing a curling sheet for... |
| geom_football | Generate a 'ggplot2' instance containing a football field for... |
| geom_hockey | Generate a 'ggplot2' instance containing an ice rink for a... |
| geom_lacrosse | Generate a 'ggplot2' instance containing a lacrosse field for... |
| geom_soccer | Generate a 'ggplot2' instance containing a soccer pitch for a... |
| geom_tennis | Generate a 'ggplot2' instance containing a tennis court for a... |
| geom_volleyball | Generate a 'ggplot2' instance containing a volleyball court... |
| grapes-or-grapes | Set the default value when not provided in a list |
| hockey_boards | The boards are the wall around the outside of the rink that... |
| hockey_center_faceoff_circle | The center faceoff circle is where the each period of the... |
| hockey_center_faceoff_spot | The center faceoff spot is the spot at which the game begins.... |
| hockey_center_line | The center line is the line that divides the ice surface in... |
| hockey_defensive_zone | The defensive zone is the left "third" of the rink in TV... |
| hockey_features_set_colors | Set the colors to be used for the plot. The values provided... |
| hockey_goal_crease_fill | The goal crease is the area where a goaltender plays their... |
| hockey_goal_crease_outline | The goal crease is the area where a goaltender plays their... |
| hockey_goal_frame | The goal frame is where the puck enters after crossing the... |
| hockey_goal_frame_fill | The goal frame is where the puck enters after crossing the... |
| hockey_goal_line | The goal lines are the lines over which a puck must cross... |
| hockey_goaltenders_restricted_area | The goaltender's restricted area marks where a goaltender is... |
| hockey_neutral_zone | The neutral zone is the middle "third" of the rink. This is... |
| hockey_nodzone_faceoff_spot_ring | The non-centered faceoff spots are located in the neutral,... |
| hockey_nodzone_faceoff_spot_stripe | The non-centered faceoff spots are located in the neutral,... |
| hockey_odzone_faceoff_circle | The non-centered faceoff circles are located in the offensive... |
| hockey_odzone_faceoff_lines | The offensive/defensive zone faceoff lines are the L-shaped... |
| hockey_offensive_zone | The offensive zone is the right "third" of the rink in TV... |
| hockey_off_ice_officials_box | The off-ice officials' box is located between the two penalty... |
| hockey_penalty_box_fill | The penalty boxes are the areas outside the confines of the... |
| hockey_penalty_box_outline | The penalty boxes are the areas outside the confines of the... |
| hockey_player_bench_area_fill | The player benches are the areas outside the confines of the... |
| hockey_player_bench_outline | The player benches are the areas outside the confines of the... |
| hockey_referee_crease | The referee's crease is a semi-circle on the "bottom" of the... |
| hockey_zone_line | The zone lines are the lines that separate the neutral zone... |
| is_hex | Identify if a passed color is a hexadecimal string |
| lacrosse_below_goal_marking | On some fields, there is a below goal marking. These are... |
| lacrosse_boards | The boards are the wall around the outside of the field that... |
| lacrosse_center_circle | The center circle is where play begins to start a game. This... |
| lacrosse_center_line | The center line divides the field of play into two equal... |
| lacrosse_change_area_fill | The change area is the box-shaped area in front of the team... |
| lacrosse_change_area_outline | The change area is the box-shaped area in front of the team... |
| lacrosse_defensive_area_line | The defensive-area lines run parallel to the sidelines and... |
| lacrosse_defensive_zone | The defensive zone is the TV-left area of the playing... |
| lacrosse_end_line | The end lines run the width of the field, with its interior... |
| lacrosse_face_off_marker | The face-off markers are where face-offs occur. They may take... |
| lacrosse_features_set_colors | Set the colors to be used for the plot. The values provided... |
| lacrosse_field_apron | Outdoor require should have a field apron so that boundary... |
| lacrosse_goal_arc | The arc around the goal circle is a semi-circular area... |
| lacrosse_goal_circle | The goal circle is a circular feature on the field that... |
| lacrosse_goal_circle_fill | This feature is the area enclosed by the goal circle's... |
| lacrosse_goal_fan | The goal arc fan is present on some fields (e.g. NCAAW) as a... |
| lacrosse_goal_fan_hash_mark | The hash marks around the goal fan (see... |
| lacrosse_goal_frame | The goal frame is the posts through which the ball must pass... |
| lacrosse_goal_line | The goal line is where the front edge of the goal sits. It... |
| lacrosse_goal_mouth | The goal mouth is similar to the goal fan, except it is... |
| lacrosse_goal_mouth_hash_mark | The goal mouth may have a hash mark that extends towards... |
| lacrosse_goal_net | The goal net is the netting that the ball must hit in order... |
| lacrosse_neutral_zone | The neutral zone corresponds to the area between the... |
| lacrosse_offensive_zone | The offensive zone is where a team tries to score a goal. It... |
| lacrosse_off_field_officials_box | The off-field officials' box is located between the two... |
| lacrosse_penalty_box_fill | The penalty boxes are the areas outside the confines of the... |
| lacrosse_penalty_box_outline | The penalty boxes are the areas outside the confines of the... |
| lacrosse_player_bench_area_fill | The player benches are the areas outside the confines of the... |
| lacrosse_player_bench_outline | The player benches are the areas outside the confines of the... |
| lacrosse_referee_crease | The referee's crease is a semi-circle on the "bottom" of the... |
| lacrosse_referee_crease_fill | The referee's crease is a semi-circle on the "bottom" of the... |
| lacrosse_restraining_line | The restraining line spans the entire width of the field... |
| lacrosse_sideline | The sidelines run the length of the field, with its interior... |
| lacrosse_wing_line | The wing lines run parallel to the sidelines and cross the... |
| load_default_parameters | Load default parameters for a specified league. This should... |
| quadratic_formula | Deploy the quadratic formula given inputs 'a', 'b', and 'c'... |
| reflect | Perform a mathematical reflection of coordinates over a... |
| rotate_coords | Perform a mathematical rotation about (0, 0) of coordinates.... |
| soccer_center_circle | The center circle is the circle located at the center of the... |
| soccer_center_mark | The center mark is where kickoffs for each half, as well as... |
| soccer_corner_arc | The corner arcs are the quarter-circles located where the... |
| soccer_corner_defensive_marks | The corner defensive marks on the pitch are typically located... |
| soccer_features_set_colors | Set the colors to be used for the plot. The values provided... |
| soccer_goal | The goal is located beyond each goal line. By rule, the goal... |
| soccer_goal_box | The goal box is the smaller of the two boxes that extend from... |
| soccer_goal_line | The goal line is the line that runs the full width of the... |
| soccer_half_pitch | Half of the pitch is located on each side of the halfway line... |
| soccer_halfway_line | The halfway line, aka the midfield line or center line, runs... |
| soccer_penalty_box | The penalty box on the pitch is the larger of the two boxes... |
| soccer_penalty_mark | The penalty mark is the center point for the arc of the... |
| soccer_pitch_apron | The pitch should have an apron around it to do two things: |
| soccer_touchline | The lines that run the full length of the pitch are called... |
| surface_dimensions | surface_dimensions |
| tennis_backcourt | The backcourt is the area behind the serviceline on the... |
| tennis_baseline | The baseline is the line behind which a player will serve the... |
| tennis_center_mark | The center mark identifies the center point of the... |
| tennis_center_serviceline | The center serviceline on the court divides the service area... |
| tennis_court_apron | The court apron is referred to as the backstop and sidestop.... |
| tennis_doubles_alley | The doubles alley is the area between the singles and doubles... |
| tennis_features_set_colors | Set the colors to be used for the plot. The values provided... |
| tennis_frontcourt_half | The front court is the area between the 'tennis_net()' and... |
| tennis_net | The net divides the court into two halves, and should run... |
| tennis_serviceline | The serviceline is the line in front of which (nearest the... |
| tennis_sideline | The sideline runs the entire length of the court, and there... |
| volleyball_attack_line | The attack line runs from sideline to sideline separating the... |
| volleyball_backcourt | The backcourt is the area between the the attack line (see... |
| volleyball_center_line | The center line's axis runs along 'x = 0' when viewing the... |
| volleyball_court_apron | The court apron is similar to the 'basketball_court_apron()'... |
| volleyball_end_line | The lines on the court that run the full width of the court... |
| volleyball_features_set_colors | Set the colors to be used for the plot. The values provided... |
| volleyball_free_zone | The free zone is similar to the 'basketball_court_apron()' in... |
| volleyball_front_zone | The front zone is the area between the attack line (see... |
| volleyball_service_zone_mark | The service zone marks are the lines beyond the end lines... |
| volleyball_sideline | The lines on the court that run the full length of the court... |
| volleyball_substitution_zone_dash | The substitution zone is typically marked by a dashed line... |
