def __init__(self,
name='',
lon=0.0,
lat=0.0,
alt=0.0,
timestamp='',
parent='',
bmp_index=-1):
self.tree_node = None
self.uuid = uuid.uuid1().__str__()
self.name = name
self.description = ''
self.parent = parent # 父亲节点的uuid
self.order_in_parent = -1
self.lon = lon
self.lat = lat
self.alt = alt
self.timestamp = timestamp # 字符串形式的时间戳，缺省格式为：'yyyy-mm-ddThh:MM:ssZ'，例如：2017-06-29T13:01:19Z
self.fpx = transform.get_fpx_from_longitude(self.lon)
self.fpy = transform.get_fpy_from_latitude(self.lat)
self.bmp_index = bmp_index
self.is_visible = True
self.timestamp_local = None
self.timestamp_utc = None
if timestamp:
self.set_timestamp_from_str(timestamp)
self.spx = None
self.spy = None
def compute_coordinate(self, original=True):
if not original:
self._corner1_fpx_wgs84 = transform.get_fpx_from_longitude(self._corner1_lon_wgs84)
self._corner1_fpy_wgs84 = transform.get_fpy_from_latitude(self._corner1_lat_wgs84)
self._corner2_fpx_wgs84 = transform.get_fpx_from_longitude(self._corner2_lon_wgs84)
self._corner2_fpy_wgs84 = transform.get_fpy_from_latitude(self._corner2_lat_wgs84)
self._corner1_lon_gcj02, self._corner1_lat_gcj02 = jiupian.wgs84_to_gcj02(self._corner1_lon_wgs84,
self._corner1_lat_wgs84)
self._corner1_fpx_gcj02 = transform.get_fpx_from_longitude(self._corner1_lon_gcj02)
self._corner1_fpy_gcj02 = transform.get_fpy_from_latitude(self._corner1_lat_gcj02)
self._corner2_lon_gcj02, self._corner2_lat_gcj02 = jiupian.wgs84_to_gcj02(self._corner2_lon_wgs84,
self._corner2_lat_wgs84)
self._corner2_fpx_gcj02 = transform.get_fpx_from_longitude(self._corner2_lon_gcj02)
self._corner2_fpy_gcj02 = transform.get_fpy_from_latitude(self._corner2_lat_gcj02)
def __init__(self,
track_line,
lon,
lat,
alt=0.0,
timestamp=None,
fpx=None,
fpy=None,
restore_from_db=False):
self.track_line = track_line
self.lon = lon
self.lat = lat
self.alt = alt
self.timestamp = timestamp # 字符串形式的时间戳，缺省格式为：'yyyy-mm-ddThh:MM:ssZ'，例如：2017-06-29T13:01:19Z
self.spx = None # 屏幕像素坐标，地图变化时会变动
self.spy = None
self.timestamp_local = None
self.timestamp_utc = None
if restore_from_db:
self.fpx = fpx
self.fpy = fpy
else:
self.set_timestamp_from_str()
self.fpx = transform.get_fpx_from_longitude(self.lon)
self.fpy = transform.get_fpy_from_latitude(self.lat)
def __init__(self, path, db_record=None):
if db_record:
self.restore_from_db_record(db_record)
return
self.uuid = uuid.uuid1().__str__()
self.name = os.path.basename(path)
self.path = path
self.lon = None
self.lat = None
self.alt = None
self.timestamp = None
self.bmp = None
self.fpx = None
self.fpy = None
self.spx = None
self.spy = None
self.img_direction = None
exif_info = {}
gps_info = {}
if not os.path.isfile(self.path):
return
pil_image = PIL.Image.open(self.path)
if hasattr(pil_image, '_getexif'):
exif = pil_image._getexif()
if exif:
for tag, value in exif.items():
tag_name = TAGS.get(tag, tag)
exif_info[tag_name] = value
if 'GPSInfo' in exif_info:
for tag, value in exif_info['GPSInfo'].items():
tag_name = GPSTAGS.get(tag, tag)
gps_info[tag_name] = value
if not gps_info:
return
lon_ref = gps_info.get('GPSLongitudeRef')
lat_ref = gps_info.get('GPSLatitudeRef')
if not lon_ref or not lat_ref:
return
lon_d, lon_m, lon_s = gps_info.get('GPSLongitude')
self.lon = lon_d[0] / lon_d[1] + lon_m[0] / lon_m[1] / 60 + lon_s[
0] / lon_s[1] / 3600
if lon_ref == 'W':
self.lon = 0 - self.lon
lat_d, lat_m, lat_s = gps_info.get('GPSLatitude')
self.lat = lat_d[0] / lat_d[1] + lat_m[0] / lat_m[1] / 60 + lat_s[
0] / lat_s[1] / 3600
if lat_ref == 'S':
self.lat = 0 - self.lat
alt = gps_info.get('GPSAltitude')
if alt:
self.alt = alt[0] / alt[1]
img_direction = gps_info.get('GPSImgDirection')
if img_direction:
self.img_direction = img_direction[0] / img_direction[1]
self.timestamp = exif_info.get('DateTimeDigitized')
pil_image32 = PIL.Image.new('RGBX', (32, 32), color=255)
pil_image30 = pil_image.resize((30, 30))
pil_image32.paste(pil_image30, (1, 1))
img = wx.Image(32, 32)
img.SetData(pil_image32.convert('RGB').tobytes())
self.bmp = wx.Bitmap(img)
self.fpx = transform.get_fpx_from_longitude(self.lon)
self.fpy = transform.get_fpy_from_latitude(self.lat)