panki/kglobe
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add example data

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This commit is contained in:
Felix Pankratz 2025-07-21 22:24:28 +02:00
parent d5a9ad9a19
commit 5748917acf
2 changed files with 27 additions and 10 deletions
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26
kglobe.py
View File

@ -15,10 +15,20 @@ from terminalplotter import TerminalPlotter
# TODO: Color arches based on latency
# TODO: Text info (num hops etc.)
# TODO: Mouse support
# DONE: Interactive globe (spin w/ keys)
# DONE: Image spacing
# DONE: Async rendering?
EXAMPLE_ROUTE = [
(47.996, 7.849), # freiburg
(50.110, 8.682), # ffm
(52.231, 21.006), # warsaw
(12.988, 77.622), # bangalore
(22.350, 114.184), # hong kong
(-33.869, 151.208) # sydney
]
# Convert lat/lon to Cartesian coordinates
def latlon_to_xyz(lat: float, lon: float, radius=1.0):
lat_rad = np.radians(lat)
@ -83,6 +93,7 @@ def main():
epilog="Requires kitty graphics protocol support in terminal",
)
parser.add_argument("-t", "--traceroute", default=None)
parser.add_argument("--example", action="store_true")
args = parser.parse_args()
locations = []
@ -91,8 +102,8 @@ def main():
globe = pv.Sphere(
radius=1.0,
theta_resolution=120,
phi_resolution=120,
theta_resolution=60,
phi_resolution=60,
start_theta=270.001,
end_theta=270,
)
@ -107,10 +118,14 @@ def main():
)
# Convert to 3D coordinates
if args.example:
points_3d = [latlon_to_xyz(lat, lon) for lat, lon in EXAMPLE_ROUTE]
else:
points_3d = [latlon_to_xyz(lat, lon) for lat, lon in locations]
plotter = TerminalPlotter(450, 450)
plotter.add_mesh(globe, color="tan", smooth_shading=True, texture=tex, show_edges=False)
height, width = kitty.get_terminal_size_pixel()
plotter = TerminalPlotter(width, height)
plotter.add_mesh(globe, color="tan", smooth_shading=False, texture=tex, show_edges=False)
for point in points_3d:
city_marker = pv.Sphere(center=point, radius=0.02)
@ -120,7 +135,8 @@ def main():
line = pv.lines_from_points(arch, close=False)
plotter.add_mesh(line, color="red", line_width=2)
kitty.hide_cursor()
#kitty.hide_cursor()
try:
asyncio.run(plotter.run())
finally:

9
terminalplotter.py
View File

@ -13,17 +13,18 @@ import kitty
class TerminalPlotter(pv.Plotter):
def __init__(self, width, height, **kwargs):
super().__init__(off_screen=True, window_size=(height, width), **kwargs)
super().__init__(off_screen=True, window_size=(width, height), **kwargs)
self.width = width
self.height = height
self._running = True
h_pix, _ = kitty.get_terminal_cell_size()
self.rows, _ = kitty.get_terminal_size()
self.start_y, self.start_x = kitty.get_position()
# the image requires height/cell_height lines
self.needed_lines = math.ceil(height / h_pix)
self.set_background([0.0, 1.0, 0.0])
self.set_background([0.0, 0.0, 0.0])
# if we are too close to the bottom of the terminal, create some space.
if self.rows - self.start_y < self.needed_lines:
self.set_background([1.0, 0.0, 0.0])
missing = self.needed_lines - (self.rows - self.start_y)
self.start_y -= missing
print("\n" * self.needed_lines, end="")
@ -32,7 +33,7 @@ class TerminalPlotter(pv.Plotter):
def render_to_kitty(self):
self.render()
buf = io.BytesIO()
self.screenshot(buf, transparent_background=True)
self.screenshot(buf, transparent_background=True, window_size=(self.width, self.height))
kitty.draw_to_terminal(buf)
# print("y:", self.start_y, "rows:", self.rows, end="")
kitty.set_position(self.start_y, self.start_x)