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Ankerseite verbessert

This commit is contained in:
Thomas Hooge 2025-10-27 18:23:21 +01:00
parent 1661c81dfa
commit ba43c3147e
3 changed files with 63 additions and 19 deletions
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18
mapservice.py
View File

@ -1,5 +1,7 @@
"""
Map access inspired by Norbert Walter
Map access inspired by Norbert Walter (mapconverter)
- North always up no rotation
"""
@ -15,6 +17,10 @@ class MapService():
def __init__(self, logger, cfg):
self.cachepath = os.path.join(cfg['histpath'], "tilecache")
self.server = "freenauticalchart.net"
self.serverpath = "/qmap-de/{2}/{0}/{1}.png" # 0:x, 1:y, 2:zoom
self.apikey = None # future use
self.useragent = "OBP/1.0 (X11; Linux x86_64; rv:0.1) OBP60v/0.1"
self.lat = 53.56938345759218
self.lon = 9.679658234303275
self.dither_type = Image.FLOYDSTEINBERG
@ -27,12 +33,16 @@ class MapService():
self.width = width
self.height = height
def get_px_meters(self, lat, zoom):
# Erdumfang am Äquator: 40075016 m
return 40075016 * math.cos(math.radians(lat)) / (2 ** (zoom + 8))
def web_get_tile(self, domain, path):
ssl_context = ssl.create_default_context()
conn = http.client.HTTPSConnection(domain, 443, context=ssl_context)
headers = {
#"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:92.0) Gecko/20100101 Firefox/92.0"
"User-Agent": "OBP/1.0 (X11; Linux x86_64; rv:0.1) OBP60v/0.1"
"User-Agent": self.useragent
}
data = None
try:
@ -85,10 +95,10 @@ class MapService():
#print(f"Tile {x}, {y} loaded from disk cache.")
with open(tile_path, 'rb') as f:
tile_data = f.read()
#ram_cache.set(cache_key, tile_data) # Load into RAM cache
return Image.open(tile_path)
data = self.web_get_tile("freenauticalchart.net", f"/qmap-de/{zoom}/{x}/{y}.png")
print(self.serverpath.format(x, y, zoom))
data = self.web_get_tile(self.server, self.serverpath.format(x, y, zoom))
if data:
tile = Image.open(BytesIO(data))
tile.save(tile_path)

36
pages/anchor.py
View File

@ -48,6 +48,14 @@ class Anchor(Page):
self.scale = 425 # Radius of display circle in meter
self._bd = boatdata
self.zoom = 15
self.app.mapsrv.set_output_size(260, 260)
self.app.mapsrv.get_px_meters(self._bd.lat.getRawValue(), self.zoom)
self.bgimage = None
self._map_tick = 10
# Vor Hafeneinfahrt Wedel
#self.lat = 53.56938345759218
#self.lon = 9.679658234303275
# Der sinnvolle Abstand ist abhängig von der Länge der gesteckten Kette
# Die initial eingegebene Position des Ankers sollte nactträglich justiert
@ -60,8 +68,6 @@ class Anchor(Page):
self.anchor_lon = 0
self.anchor_depth = -1
self.anchor_ts = None # Timestamp of dropped anchor
self.lat = 0
self.lon = 0
self.heading = -1
self.depth = -1
self.alarm_range = 20
@ -69,10 +75,6 @@ class Anchor(Page):
self.alarm = False # Alarm ist ausgelöst und aktiv
self.wind_angle = -1
# Seekarte, mit Hintergrund wie das Display
self.app.mapsrv.set_output_size(260, 260)
self.bgimage = self.app.mapsrv.get_round_bwmap_cairo(53.56938345759218, 9.679658234303275, 15, (220, 220, 220))
# Menüsteuerung für Konfiguration
self._menu = Menu("Options", 20, 80)
self._menu.setItemDimension(120, 20)
@ -80,7 +82,7 @@ class Anchor(Page):
newitem.setRange(0, 200, (1, 5, 10))
newitem = self._menu.addItem("chainmax", "Chain max", "int", self.chain_length, "m")
newitem.setRange(0, 200, (1, 5, 10))
newitem = self._menu.addItem("zoom", "Zoom", "int", 2)
newitem = self._menu.addItem("zoom", "Zoom", "int", 15)
newitem.setRange(1, 8, (1,))
newitem = self._menu.addItem("range", "Alarm range", "int", 40, "m")
newitem.setRange(1, 200, (1, 5, 10))
@ -88,6 +90,10 @@ class Anchor(Page):
self._test = 0
def display_new(self):
if self._bd.lat.valid and self._bd.lon.valid:
self.bgimage = self.app.mapsrv.get_round_bwmap_cairo(self._bd.lat.getValueRaw(), self._bd.lon.getValueRaw(), self.zoom, (220, 220, 220))
def handle_key(self, buttonid):
if buttonid == 1:
if self.mode == 'N':
@ -110,8 +116,8 @@ class Anchor(Page):
# Normal
if buttonid == 2:
if not self.anchor_set:
self.anchor_lat = self._bd.lat
self.anchor_lon = self._bd.lon
self.anchor_lat = self._bd.lat.getValueRaw()
self.anchor_lon = self._bd.lon.getValueRaw()
self.anchor_set = True
self.anchor_ts = time.time()
self.buttonlabel[2] = 'RISE'
@ -185,6 +191,11 @@ class Anchor(Page):
# self.anchor_lat =
# Seekarte als Hintergrundbild
if self._bd.lat.valid and self._bd.lon.valid:
self._map_tick -= 1
if not self.bgimage or self._map_tick == 0:
self.bgimage = self.app.mapsrv.get_round_bwmap_cairo(self._bd.lat.getValueRaw(), self._bd.lon.getValueRaw(), self.zoom, (220, 220, 220))
self._map_tick = 10
ctx.save()
ctx.set_source_surface(self.bgimage, (400 - 260) // 2, 20)
ctx.paint()
@ -212,9 +223,14 @@ class Anchor(Page):
ctx.show_text(f"{self.chain} m")
ctx.move_to(10, 220)
if self._bd.dbs.valid:
#if self._bd.dbs.valid:
ctx.show_text(self._bd.dbs.format())
# Aktuelle Koordinaten
self.draw_text_ralign(ctx, 396, 235, "Boat")
self.draw_text_ralign(ctx, 396, 255, self._bd.lat.format())
self.draw_text_ralign(ctx, 396, 275, self._bd.lon.format())
ctx.stroke()
# Spezialseite

18
pages/page.py
View File

@ -64,6 +64,24 @@ class Page():
c = 2 * asin(sqrt(a))
return c * 3440
@staticmethod
def format_lat(latitude, decpl=4):
if not latitude:
return '---'
degrees = int(latitude)
minutes = (latitude - degrees) * 60
direction = 'N' if latitude > 0 else 'S'
return "{0}° {1:.{3}f}' {2}".format(degrees, minutes, direction, decpl)
@staticmethod
def format_lon(longitude, decpl=4):
if not longitude:
return '---'
degrees = int(longitude)
minutes = (longitude - degrees) * 60
direction = 'E' if longitude > 0 else 'W'
return "{0}° {1:.{3}f}' {2}".format(degrees, minutes, direction, decpl)
def __init__(self, pageno, cfg, appdata, boatdata):
self.pageno = pageno
self.cfg = cfg