PlotDevice genealogy sparkline

genealogysparkline.pv

# For PlotDevice (plotdevice.io)

# This code is crappy. It's hastily thrown together prototype code and shouldn't
# be used in anything remotely resembling a production environment.

def draw_sparkline(x, y, data, vital_size=1.5, child_size=0.8, marriage_size=1.5):
    reset()
    translate(x, y)
    
    death_x = data['death'] - data['birth']
    
    name_y = 0
    span_y = 5
    base_y = 8.5
    
    # name
    if 'name' in data:
        fill(0)
        font("Minion Pro", size=7, italic=False)
        text(data['name'], 0, name_y)
    
    # baseline
    stroke(0)
    fill(None)
    pen(0.25, cap=BUTT)
    
    # 0.2 so it doesn't look like it sticks out
    line(0.2, base_y, death_x, base_y)
    
    # birth and death
    fill(0)
    stroke(None)
    
    rect(0, base_y - (vital_size / 2), vital_size, vital_size)
    if 'hide_death' not in data:
        rect(death_x, base_y - (vital_size / 2), vital_size, vital_size)
    else:
        # unknown death, so taper off
        stroke(0.5)
        for i in range(0, 3):
            line(death_x + ((i+0.5)*2), base_y, death_x + ((i+1)*2), base_y)

    # children
    if 'children' in data:
        with fill(0):
            with stroke(None):
                for child in data['children']:
                    arc(child - data['birth'], base_y, child_size)
    
    # marriages
    if 'marriages' in data:
        with fill(1):
            with stroke(0):
                with pen(0.25):
                    with rotate(degrees=45):
                        for marriage in data['marriages']:
                            rect(marriage - data['birth'], base_y - (marriage_size / 2), marriage_size, marriage_size)
    
    # label
    fill(0.6)
    font("Minion Pro", size=4, italic=True)
    lifespan = "{birth}–".format(birth=data['birth'])
    if 'hide_death' not in data:
        lifespan = "{lifespan}{death}".format(lifespan=lifespan, death=data['death'])
    text(lifespan, -0.3, span_y)
    
size(200, 200)

draw_sparkline(50, 50, {
    'name': 'John Hampton',
    'birth': 1805,
    'death': 1870,
    'marriages': [ 1828 ],
    'children': [ 1830, 1832, 1837, 1838, 1841, 1844 ],
})

draw_sparkline(50, 80, {
    'name': 'Grazia Parente',
    'birth': 1645,
    'death': 1685,
    'hide_death': True,
    'children': [ 1668, 1671, 1679 ],
    'marriages': [ 1661, 1673 ],
})

draw_sparkline(50, 110, {
    'name': 'Lucas Orlando',
    'birth': 1901,
    'death': 1909,
})