85 lines
2.2 KiB
Python
85 lines
2.2 KiB
Python
"""
|
|
|
|
Satelliteninfos
|
|
|
|
- Sat mit Fix: ausgefüllter Kreis
|
|
- Sat ohne fix: leerer Kreis
|
|
- Slots für 12 SNR-Balken
|
|
|
|
"""
|
|
|
|
import cairo
|
|
import math
|
|
from .page import Page
|
|
|
|
class SkyView(Page):
|
|
|
|
def __init__(self, pageno, cfg, boatdata):
|
|
super().__init__(pageno, cfg, boatdata)
|
|
|
|
def pol2cart(azimuth, elevation):
|
|
'''
|
|
Polar to Cartesian coordinates within the horizon circle.
|
|
azimuth in radians
|
|
x = math.sin(azimuth) * elevation * self.radius
|
|
y = math.cos(azimuth) * elevation * self.radius
|
|
'''
|
|
pass
|
|
# (x, y) = self.pol2cart(sat.az, sat.el)
|
|
|
|
def draw(self, ctx):
|
|
|
|
# Name
|
|
ctx.select_font_face("Ubuntu", cairo.FontSlant.NORMAL, cairo.FontWeight.BOLD)
|
|
#ctx.set_font_size(32)
|
|
#self.draw_text_center(ctx, 200, 40, "Satellite Info")
|
|
|
|
# Spezialseite
|
|
cx = 130
|
|
cy = 150
|
|
r = 125
|
|
r1 = r / 2
|
|
|
|
ctx.set_line_width(1.5)
|
|
ctx.arc(cx, cy, r, 0, 2*math.pi)
|
|
ctx.stroke()
|
|
ctx.arc(cx, cy, r1, 0, 2*math.pi)
|
|
ctx.stroke()
|
|
ctx.set_dash([4, 4], 0)
|
|
ctx.move_to(cx, cy - r)
|
|
ctx.line_to(cx, cy + r)
|
|
ctx.move_to(cx - r, cy)
|
|
ctx.line_to(cx + r, cy)
|
|
ctx.stroke()
|
|
ctx.set_dash([], 0)
|
|
|
|
# Signal/Noise Balken
|
|
ctx.set_font_size(16)
|
|
ctx.move_to(325, 34)
|
|
ctx.show_text("SNR")
|
|
ctx.stroke()
|
|
|
|
ctx.set_line_width(1.5)
|
|
ctx.rectangle(270, 20, 125, 257)
|
|
|
|
# Beispieldaten
|
|
ctx.set_line_width(0.5)
|
|
for s in range(12):
|
|
y = 30 + (s + 1) * 20
|
|
ctx.move_to(275, y)
|
|
ctx.show_text(f"{s:02d}")
|
|
ctx.rectangle(305, y-12, 85, 14)
|
|
ctx.stroke()
|
|
|
|
ctx.set_line_width(1.0)
|
|
for s in self.bd.sat.values():
|
|
x = cx + math.sin(s.azimuth) * s.elevation * r
|
|
y = cy + math.cos(s.azimuth) * s.elevation * r
|
|
ctx.arc(x, y, 4, 0, 2*math.pi)
|
|
ctx.move_to(x+4, y+4)
|
|
ctx.show_text(f"{s.prn_num}")
|
|
ctx.stroke()
|
|
|
|
# Satellitenliste mit SNR-Balken sortiert nach nummer
|
|
for prn_num in sorted(self.bd.sat):
|
|
print(prn_num) |