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# igc2kmz main module
# Copyright (C) 2008 Tom Payne
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import datetime
from math import pi, sqrt
from itertools import cycle, izip
import operator
import os
import re
import unicodedata
import urlparse
import third_party.pygooglechart as pygooglechart
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from color import bilinear_gradient, default_gradient
from coord import rad_to_cardinal
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import kml
import kmz
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from scale import Scale, TimeScale, ZeroCenteredScale
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import util
if 0:
RIGHTWARDS_ARROW = unicodedata.lookup('RIGHTWARDS ARROW').encode('utf_8')
INFINITY = unicodedata.lookup('INFINITY').encode('utf_8')
MULTIPLICATION_SIGN = unicodedata.lookup('MULTIPLICATION SIGN').encode('utf_8')
UP_TACK = unicodedata.lookup('UP TACK').encode('utf_8')
else:
RIGHTWARDS_ARROW = '->'
INFINITY = 'inf'
MULTIPLICATION_SIGN = 'x'
UP_TACK = 'n/a'
BASE_DIR = os.path.normpath(os.path.join(os.path.dirname(__file__), '..'))
def make_table(rows, bgcolors='#dddddd #ffffff'.split()):
trs = ('<tr bgcolor="%s"><th align="right">%s</th><td>%s</td></tr>'
% (bgcolor, row[0], row[1])
for row, bgcolor in izip(rows, cycle(bgcolors)))
return '<table cellpadding="1" cellspacing="1">%s</table>' % ''.join(trs)
class Stock(object):
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def make_none_folder(self, visibility):
icon = kml.Icon(href=self.pixel_url)
overlay_xy = kml.overlayXY(x=0, xunits='fraction',
y=0, yunits='fraction')
screen_xy = kml.screenXY(x=0, xunits='fraction', y=0, yunits='fraction')
size = kml.size(x=0, xunits='fraction', y=0, yunits='fraction')
screen_overlay = kml.ScreenOverlay(icon, overlay_xy, screen_xy, size,
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visibility=visibility)
style_url = self.check_hide_children_style.url()
return kml.Folder(screen_overlay, name='None', styleUrl=style_url)
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def make_analysis_style(self, color, bgcolors, rows):
text = '<h3>$[name]</h3>$[description]' + make_table(rows, bgcolors)
bg_color = 'ff' + ''.join(reversed(re.findall(r'..', bgcolors[1][1:])))
balloon_style = kml.BalloonStyle(text=kml.CDATA(text), bgColor=bg_color)
icon_style = kml.IconStyle(self.icons[0], color=color,
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scale=self.icon_scales[0])
label_style = kml.LabelStyle(color=color, scale=self.label_scales[0])
line_style = kml.LineStyle(color=color, width=4)
return kml.Style(balloon_style, icon_style, label_style, line_style)
def __init__(self):
self.kmz = kmz.kmz()
#
self.icon_scales = [sqrt(x) for x in [0.6, 0.5, 0.4, 0.3]]
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self.icons = [kml.Icon.palette(4, i) for i in [25, 25, 24, 24]]
self.label_scales = [sqrt(x) for x in [0.6, 0.5, 0.4, 0.3]]
#
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list_style = kml.ListStyle(listItemType='radioFolder')
self.radio_folder_style = kml.Style(list_style)
self.kmz.add_roots(self.radio_folder_style)
#
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list_style = kml.ListStyle(listItemType='checkHideChildren')
self.check_hide_children_style = kml.Style(list_style)
self.kmz.add_roots(self.check_hide_children_style)
#
bgcolors = '#ffcccc #ffdddd'.split()
rows = [
['Altitude gain', '$[altitude_change]m'],
['Average climb', '$[average_climb]m/s'],
['Maximum climb', '$[maximum_climb]m/s'],
['Peak climb', '$[peak_climb]m/s'],
['Efficiency', '$[efficiency]%'],
['Start altitude', '$[start_altitude]m'],
['Finish altitude', '$[finish_altitude]m'],
['Start time', '$[start_time]'],
['Finish time', '$[finish_time]'],
['Duration', '$[duration]'],
['Accumulated altitude gain', '$[accumulated_altitude_gain]m'],
['Accumulated altitude loss', '$[accumulated_altitude_loss]m'],
['Drift', '$[average_speed]km/h $[drift_direction]'],
]
self.thermal_style = self.make_analysis_style('cc3333ff', bgcolors,
rows)
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self.kmz.add_roots(self.thermal_style)
bgcolors = '#ccccff #ddddff'.split()
rows = [
['Altitude change', '$[altitude_change]m'],
['Average descent', '$[average_climb]m/s'],
['Maximum descent', '$[maximum_descent]m/s'],
['Peak descent', '$[peak_descent]m/s'],
['Start altitude', '$[start_altitude]m'],
['Finish altitude', '$[finish_altitude]m'],
['Start time', '$[start_time]'],
['Finish time', '$[finish_time]'],
['Duration', '$[duration]'],
['Accumulated altitude gain', '$[accumulated_altitude_gain]m'],
['Accumulated altitude loss', '$[accumulated_altitude_loss]m'],
]
self.dive_style = self.make_analysis_style('ccff3333', bgcolors, rows)
bgcolors = '#ccffcc #ddffdd'.split()
rows = [
['Altitude change', '$[altitude_change]m'],
['Average descent', '$[average_climb]m/s'],
['Distance', '$[distance]km'],
['Average glide ratio', '$[average_ld]:1'],
['Average speed', '$[average_speed]km/h'],
['Start altitude', '$[start_altitude]m'],
['Finish altitude', '$[finish_altitude]m'],
['Start time', '$[start_time]'],
['Finish time', '$[finish_time]'],
['Duration', '$[duration]'],
['Accumulated altitude gain', '$[accumulated_altitude_gain]m'],
['Accumulated altitude loss', '$[accumulated_altitude_loss]m'],
]
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self.kmz.add_roots(self.dive_style)
self.glide_style = self.make_analysis_style('cc33ff33', bgcolors, rows)
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self.kmz.add_roots(self.glide_style)
#
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self.time_mark_styles = []
for i in xrange(0, len(self.icons)):
icon_style = kml.IconStyle(self.icons[i], scale=self.icon_scales[i])
label_style = kml.LabelStyle(color='cc33ffff',
scale=self.label_scales[i])
self.time_mark_styles.append(kml.Style(icon_style, label_style))
self.kmz.add_roots(*self.time_mark_styles)
#
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balloon_style = kml.BalloonStyle(text=kml.CDATA('$[description]'))
icon_style = kml.IconStyle(kml.Icon.palette(4, 46),
scale=self.icon_scales[0])
label_style = kml.LabelStyle(scale=self.label_scales[0])
self.photo_style = kml.Style(balloon_style, icon_style, label_style)
self.kmz.add_roots(self.photo_style)
#
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text = kml.text(kml.CDATA('<h3>$[name]</h3>$[description]'))
balloon_style = kml.BalloonStyle(text)
icon_style = kml.IconStyle(self.icons[0], color='ccff33ff',
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scale=self.icon_scales[0])
label_style = kml.LabelStyle(color='ccff33ff',
scale=self.label_scales[0])
line_style = kml.LineStyle(color='ccff33ff', width=2)
self.xc_style = kml.Style(balloon_style, icon_style, label_style,
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line_style)
self.kmz.add_roots(self.xc_style)
#
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text = kml.text(kml.CDATA('<h3>$[name]</h3>$[description]'))
balloon_style = kml.BalloonStyle(text)
icon_style = kml.IconStyle(self.icons[0], color='ccff33ff',
scale=self.icon_scales[0])
label_style = kml.LabelStyle(color='ccff33ff',
scale=self.label_scales[0])
line_style = kml.LineStyle(color='ccff33ff')
self.xc_style2 = kml.Style(balloon_style, icon_style, label_style,
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line_style)
self.kmz.add_roots(self.xc_style2)
#
self.pixel_url = os.path.join('images', 'pixel.png')
pixel = open(os.path.join(BASE_DIR, self.pixel_url)).read()
self.kmz.add_files({self.pixel_url: pixel})
#
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self.visible_none_folder = self.make_none_folder(1)
self.invisible_none_folder = self.make_none_folder(0)
class Flight(object):
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def __init__(self, track, **kwargs):
self.track = track
if self.track.elevation_data:
self.altitude_mode = 'absolute'
else:
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self.altitude_mode = 'clampToGround'
self.color = 'ff0000ff'
self.width = 2
self.pilot_name = track.pilot_name
self.glider_type = track.glider_type
self.glider_id = track.glider_id
self.photos = []
self.url = None
self.xc = None
self.__dict__.update(kwargs)
def make_description(self, globals):
rows = []
if self.pilot_name:
rows.append(('Pilot name', self.pilot_name))
if self.glider_type:
rows.append(('Glider type', self.glider_type))
if self.glider_id:
rows.append(('Glider ID', self.glider_id))
take_off_time = self.track.bounds.time.min + globals.tz_offset
rows.append(('Take-off time', take_off_time.strftime('%H:%M:%S')))
landing_time = self.track.bounds.time.max + globals.tz_offset
rows.append(('Landing time', landing_time.strftime('%H:%M:%S')))
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duration = (self.track.bounds.time.max
- self.track.bounds.time.min).seconds
hour, seconds = divmod(duration, 3600)
minute, second = divmod(seconds, 60)
rows.append(('Duration', '%dh %02dm %02ds' % (hour, minute, second)))
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if self.track.elevation_data:
rows.append(('Take-off altitude', '%dm' % self.track.coords[0].ele))
rows.append(('Maximum altitude', '%dm' % self.track.bounds.ele.max))
rows.append(('Minimum altitude', '%dm' % self.track.bounds.ele.min))
rows.append(('Landing altitude', '%dm' % self.track.coords[-1].ele))
rows.append(('Total altitude gain',
'%dm' % self.track.total_dz_positive))
rows.append(('Maximum altitude gain',
'%dm' % self.track.max_dz_positive))
rows.append(('Maximum climb',
'%.1fm/s' % self.track.bounds.climb.max))
rows.append(('Maximum sink',
'%.1fm/s' % self.track.bounds.climb.min))
rows.append(('Maximum speed', '%.1fkm/h' % self.track.bounds.speed.max))
if self.url:
components = urlparse.urlparse(self.url)
html = '<a href="%s">%s</a>' % (self.url, components.netloc)
rows.append(('Flight URL', html))
table = make_table(rows)
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return kmz.kmz(kml.description(kml.CDATA(table)))
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def make_snippet(self, globals):
if self.xc:
route = sorted(self.xc.routes,
key=operator.attrgetter('score'),
reverse=True)[0]
xc = '%.1fkm %s' % (route.distance, route.name)
else:
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xc = None
date = self.track.bounds.time.min + globals.tz_offset
strings = [self.pilot_name, xc, date.strftime('%Y-%m-%d')]
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snippet = kml.Snippet(', '.join(s for s in strings if s))
return kmz.kmz(snippet)
def make_solid_track(self, globals, style, altitude_mode, extrude=None,
**folder_options):
line_string = kml.LineString(coordinates=self.track.coords,
altitudeMode=altitude_mode)
if extrude:
line_string.add(extrude=1)
placemark = kml.Placemark(style, line_string)
style_url = globals.stock.check_hide_children_style.url()
folder_options['styleUrl'] = style_url
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return kmz.kmz(kml.Folder(placemark, **folder_options))
def make_scale_chart(self, globals, scale):
chart = pygooglechart.SimpleLineChart(40, 200, x_range=(0, 1),
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y_range=scale.range)
chart.fill_solid(pygooglechart.Chart.BACKGROUND, 'ffffff00')
chart.fill_solid(pygooglechart.Chart.CHART, 'ffffffcc')
for i in xrange(0, 32 + 1):
y = i * (scale.range[1] - scale.range[0]) / 32 + scale.range[0]
chart.add_data([y, y])
chart.set_line_style(i, 0)
for i in xrange(0, 32):
r, g, b, a = scale.color((i * (scale.range[1] - scale.range[0])
+ 0.5) / 32 + scale.range[0])
color = '%02x%02x%02x' % (255 * r, 255 * g, 255 * b)
chart.add_fill_range(color, i, i + 1)
axis_index = chart.set_axis_range(pygooglechart.Axis.RIGHT,
scale.range[0], scale.range[1])
chart.set_axis_style(axis_index, 'ffffff')
return chart
def make_colored_track(self, globals, values, scale, altitude_mode,
scale_chart=True, **folder_options):
style_url = globals.stock.check_hide_children_style.url()
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folder = kml.Folder(name='Colored by %s' % scale.title,
styleUrl=style_url, **folder_options)
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styles = [kml.Style(kml.LineStyle(color=color, width=self.width))
for color in scale.colors()]
discrete_values = map(scale.discretize, values)
for sl in util.runs(discrete_values):
coordinates = self.track.coords[sl.start:sl.stop + 1]
line_string = kml.LineString(coordinates=coordinates,
altitudeMode=self.altitude_mode)
style_url = kml.styleUrl(styles[discrete_values[sl.start]].url())
placemark = kml.Placemark(style_url, line_string)
folder.add(placemark)
if scale_chart:
href = self.make_scale_chart(globals, scale).get_url()
icon = kml.Icon(href=kml.CDATA(href))
overlay_xy = kml.overlayXY(x=0, xunits='fraction',
y=1, yunits='fraction')
screen_xy = kml.screenXY(x=0, xunits='fraction',
y=1, yunits='fraction')
size = kml.size(x=0, xunits='fraction', y=0, yunits='fraction')
screen_overlay = kml.ScreenOverlay(icon, overlay_xy, screen_xy, size)
folder.add(screen_overlay)
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return kmz.kmz(folder).add_roots(*styles)
def make_track_folder(self, globals):
style_url = globals.stock.radio_folder_style.url()
folder = kmz.kmz(kml.Folder(name='Track', open=1, styleUrl=style_url))
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folder.add(globals.stock.invisible_none_folder)
if self.track.elevation_data:
visibility = globals.default_track == 'climb'
folder.add(self.make_colored_track(globals, self.track.climb,
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globals.scales.climb,
'absolute',
visibility=visibility))
visibility = globals.default_track == 'altitude'
folder.add(self.make_colored_track(globals, self.track.ele,
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globals.scales.altitude,
'absolute',
visibility=visibility))
visibility = globals.default_track == 'speed'
folder.add(self.make_colored_track(globals, self.track.speed,
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globals.scales.speed,
self.altitude_mode,
visibility=visibility))
if hasattr(self.track, 'tas'):
visibility = globals.default_track == 'tas'
folder.add(self.make_colored_track(globals, self.track.tas,
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globals.scales.tas,
self.altitude_mode,
visibility=visibility))
visibility = globals.default_track == 'time'
folder.add(self.make_colored_track(globals, self.track.t,
globals.scales.t, self.altitude_mode,
scale_chart=False,
visibility=visibility))
visibility = globals.default_track == 'solid_color'
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style = kml.Style(kml.LineStyle(color=self.color, width=self.width))
folder.add(self.make_solid_track(globals, style, self.altitude_mode,
name='Solid color',
visibility=visibility))
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return folder
def make_shadow_folder(self, globals):
if not self.track.elevation_data:
return kmz.kmz()
style_url = globals.stock.radio_folder_style.url()
folder = kmz.kmz(kml.Folder(name='Shadow', open=0, styleUrl=style_url))
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folder.add(globals.stock.invisible_none_folder)
style = kml.Style(kml.LineStyle(color='ff000000', width=1))
folder.add(self.make_solid_track(globals, style, 'clampToGround',
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name='Normal'))
line_style = kml.LineStyle(color='00000000', width=1)
poly_style = kml.PolyStyle(color='80000000')
style = kml.Style(line_style, poly_style)
folder.add(self.make_solid_track(globals, style, 'absolute', True,
name='Extrude', visibility=0))
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style = kml.Style(kml.LineStyle(color=self.color, width=self.width))
folder.add(self.make_solid_track(globals, style, 'clampToGround',
name='Solid color', visibility=0))
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return folder
def make_tour_folder(self, globals):
style_url = globals.stock.check_hide_children_style.url()
folder = kmz.kmz(kml.Folder(name='Tour', styleUrl=style_url))
dt = self.track.coords[0].dt
delta = datetime.timedelta(seconds=15 * 60)
coords = []
while dt < self.track.coords[-1].dt:
coords.append(self.track.coord_at(dt))
dt += delta
for i in xrange(0, len(coords)):
j = (i + 1) % len(coords)
point = kml.Point(coordinates=[coords[i]], altitudeMode=self.altitude_mode)
heading = coords[i].initial_bearing_to_deg(coords[j])
camera = kml.Camera(altitude=coords[i].ele, heading=heading,
latitude=coords[i].lat_deg,
longitude=coords[i].lon_deg, tilt=75)
placemark = kml.Placemark(point, camera)
folder.add(placemark)
return folder
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def make_placemark(self, globals, coord, altitudeMode=None, name=None,
style_url=None):
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point = kml.Point(coordinates=[coord], altitudeMode=altitudeMode)
return kml.Placemark(point, name=name, Snippet=None, styleUrl=style_url)
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def make_altitude_marks_folder(self, globals):
if not self.track.elevation_data:
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return kmz.kmz()
style_url = globals.stock.check_hide_children_style.url()
folder = kml.Folder(name='Altitude marks', styleUrl=style_url,
visibility=0)
for index, j in util.salient2([c.ele for c in self.track.coords],
[100, 50, 10]):
coord = self.track.coords[index]
i = globals.scales.altitude.discretize(coord.ele)
style_url = globals.altitude_styles[j][i].url()
folder.add(self.make_placemark(globals, coord,
altitudeMode='absolute',
name='%dm' % coord.ele,
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style_url=style_url))
return kmz.kmz(folder)
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def make_photos_folder(self, globals):
if not len(self.photos):
return kmz.kmz()
folder = kml.Folder(name='Photos', open=0)
for photo in sorted(self.photos, key=operator.attrgetter('dt')):
if photo.coord:
coord = photo.coord
if photo.elevation_data:
altitude_mode = 'absolute'
else:
altitude_mode = 'clampToGround'
else:
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coord = self.track.coord_at(photo.dt - globals.tz_offset)
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altitude_mode = self.altitude_mode
point = kml.Point(coordinates=[coord], altitudeMode=altitude_mode)
if photo.description:
title = '%s: %s' % (photo.name, photo.description)
else:
title = photo.name
description = '<h3>%s</h3>%s' % (title, photo.to_html_img())
style_url = globals.stock.photo_style.url()
placemark = kml.Placemark(point, name=photo.name,
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description=kml.CDATA(description),
Snippet=kml.CDATA(description),
styleUrl=style_url)
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folder.add(placemark)
return kmz.kmz(folder)
def make_xc_folder(self, globals):
def make_row(route, i, j, percentage=False):
distance = route.tps[i].coord.distance_to(route.tps[j].coord)
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th = '%s %s %s' \
% (route.tps[i].name, RIGHTWARDS_ARROW, route.tps[j].name)
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if percentage:
td = '%.1fkm (%.1f%%)' \
% (distance / 1000.0, 0.1 * distance / route.distance)
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else:
td = '%.1fkm' % (distance / 1000.0)
return (th, td)
def make_leg(route, i, j, name=True, arrow=False, style_url=None):
coord0 = route.tps[i].coord
coord1 = route.tps[j].coord
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line_string = kml.LineString(coordinates=[coord0, coord1],
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altitudeMode='clampToGround',
tessellate=1)
multi_geometry = kml.MultiGeometry(line_string)
if name:
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point = kml.Point(coordinates=[coord0.halfway_to(coord1)])
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multi_geometry.add(point)
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distance = coord0.distance_to(coord1)
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name = kml.name('%.1fkm' % (distance / 1000.0))
if arrow:
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bearing = coord1.initial_bearing_to(coord0)
coordinates = [coord1.coord_at(bearing - pi / 12.0, 400.0),
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coord1,
coord1.coord_at(bearing + pi / 12.0, 400.0)]
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line_string = kml.LineString(coordinates=coordinates,
altitudeMode='clampToGround',
tessellate=1)
multi_geometry.add(line_string)
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if style_url is None:
style_url = globals.stock.xc_style.url()
return kml.Placemark(name, multi_geometry, styleUrl=style_url)
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if not self.xc:
return kmz.kmz()
style_url = globals.stock.radio_folder_style.url()
folder = kml.Folder(name='Cross country', open=0, styleUrl=style_url)
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folder.add(globals.stock.invisible_none_folder)
for rank, route in enumerate(sorted(self.xc.routes,
key=operator.attrgetter('score'),
reverse=True)):
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rows = []
rows.append(('League', route.league))
rows.append(('Type', route.name[0].upper() + route.name[1:]))
if route.circuit:
if len(route.tps) == 4:
rows.append(make_row(route, 1, 2))
rows.append(make_row(route, 2, 1))
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else:
for i in xrange(1, len(route.tps) - 2):
rows.append(make_row(route, i, i + 1, percentage=True))
rows.append(make_row(route, -2, 1, percentage=True))
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else:
for i in xrange(0, len(route.tps) - 1):
rows.append(make_row(route, i, i + 1))
rows.append(('Distance', '%.1fkm' % route.distance))
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rows.append(('Multiplier',
'%s %.2f points/km' % (MULTIPLICATION_SIGN,
route.multiplier)))
rows.append(('Score', '<b>%.2f points</b>' % route.score))
speed = 3600.0 * route.distance \
/ (route.tps[-1].coord.dt - route.tps[0].coord.dt).seconds
rows.append(('Average speed', '%.1fkm/h' % speed))
if route.circuit:
rows.append(make_row(route, -1, 0))
table = make_table(rows)
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name = '%.1fkm %s (%.2f points)' \
% (route.distance, route.name, route.score)
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visibility = 1 if rank == 0 else 0
style_url = globals.stock.check_hide_children_style.url()
route_folder = kml.Folder(name=name, description=kml.CDATA(table),
Snippet=None, styleUrl=style_url,
visibility=visibility)
for tp in route.tps:
coord = self.track.coord_at(tp.coord.dt)
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point = kml.Point(coordinates=[coord],
altitudeMode=self.altitude_mode, extrude=1)
style_url = globals.stock.xc_style.url()
placemark = kml.Placemark(point, name=tp.name,
styleUrl=style_url)
route_folder.add(placemark)
if route.circuit:
route_folder.add(make_leg(route, 0, 1, name=None, arrow=True))
if len(route.tps) == 4:
route_folder.add(make_leg(route, 1, 2))
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else:
for i in xrange(1, len(route.tps) - 2):
route_folder.add(make_leg(route, i, i + 1, arrow=True))
style_url = globals.stock.xc_style2.url()
route_folder.add(make_leg(route, -2, 1,
style_url=style_url))
route_folder.add(make_leg(route, -2, -1, name=None, arrow=True))
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else:
for i in xrange(0, len(route.tps) - 1):
route_folder.add(make_leg(route, i, i + 1, arrow=True))
folder.add(route_folder)
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return kmz.kmz(folder)
def make_analysis_folder(self, globals, title, slices, style_url):
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if not self.track.elevation_data or len(slices) == 0:
return kmz.kmz()
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folder_style_url = globals.stock.check_hide_children_style.url()
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folder = kml.Folder(name=title.capitalize() + "s",
styleUrl=folder_style_url, visibility=0)
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for sl in slices:
coord0 = self.track.coords[sl.start]
coord1 = self.track.coords[sl.stop]
coord = coord0.halfway_to(coord1)
point = kml.Point(coordinates=[coord], altitudeMode='absolute')
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total_dz_positive = total_dz_negative = 0
peak_climb = util.Bounds(0.0)
for i in xrange(sl.start, sl.stop):
dz = self.track.coords[i + 1].ele - self.track.coords[i].ele
dt = self.track.t[i + 1] - self.track.t[i]
if dz > 0:
total_dz_positive += dz
elif dz < 0:
total_dz_negative += dz
peak_climb.update(float(dz) / dt)
climb = util.Bounds(self.track.climb[sl])
dz = float(self.track.coords[sl.stop].ele
- self.track.coords[sl.start].ele)
dt = self.track.t[sl.stop] - self.track.t[sl.start]
dp = coord0.distance_to(coord1)
theta = coord0.initial_bearing_to(coord1)
dict = {}
dict['altitude_change'] = int(round(dz))
dict['average_climb'] = round(dz / dt, 1)
dict['maximum_climb'] = round(climb.max, 1)
dict['peak_climb'] = round(peak_climb.max, 1)
divisor = dt * climb.max
if divisor == 0:
dict['efficiency'] = UP_TACK
else:
dict['efficiency'] = int(round(100.0 * dz / divisor))
dict['distance'] = round(dp / 1000.0, 1)
average_ld = round(-dp / dz, 1) if dz < 0 else INFINITY
dict['average_ld'] = average_ld
dict['average_speed'] = round(3.6 * dp / dt, 1)
dict['maximum_descent'] = round(climb.min, 1)
dict['peak_descent'] = round(peak_climb.min, 1)
dict['start_altitude'] = coord0.ele
dict['finish_altitude'] = coord1.ele
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start_time = coord0.dt + globals.tz_offset
dict['start_time'] = start_time.strftime('%H:%M:%S')
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stop_time = coord1.dt + globals.tz_offset
dict['finish_time'] = stop_time.strftime('%H:%M:%S')
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duration = self.track.t[sl.stop] - self.track.t[sl.start]
dict['duration'] = '%dm %02ds' % divmod(duration, 60)
dict['accumulated_altitude_gain'] = total_dz_positive
dict['accumulated_altitude_loss'] = total_dz_negative
dict['drift_direction'] = rad_to_cardinal(theta + pi)
extended_data = kml.ExtendedData.dict(dict)
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if title == 'thermal':
name = '%dm at %.1fm/s' % (dz, dz / dt)
elif title == 'glide':
name = '%.1fkm at %s:1, %dkm/h' \
% (dp / 1000.0, average_ld, round(3.6 * dp / dt))
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elif title == 'dive':
name = '%dm at %.1fm/s' % (-dz, dz / dt)
placemark = kml.Placemark(point, extended_data, name=name,
Snippet=None, styleUrl=style_url)
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folder.add(placemark)
line_string = kml.LineString(coordinates=[coord0, coord1],
altitudeMode='absolute')
placemark = kml.Placemark(line_string, styleUrl=style_url)
folder.add(placemark)
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return kmz.kmz(folder)
def make_graph_chart(self, globals, values, scale):
chart = pygooglechart.XYLineChart(globals.graph_width,
globals.graph_height,
x_range=globals.scales.time.range,
y_range=scale.range)
chart.fill_solid(pygooglechart.Chart.BACKGROUND, 'ffffff00')
chart.fill_solid(pygooglechart.Chart.CHART, 'ffffffcc')
axis_index = chart.set_axis_labels(pygooglechart.Axis.BOTTOM,
globals.scales.time.labels)
chart.set_axis_positions(axis_index, globals.scales.time.positions)
chart.set_axis_style(axis_index, 'ffffff')
axis_index = chart.set_axis_range(pygooglechart.Axis.LEFT,
scale.range[0], scale.range[1])
chart.set_axis_style(axis_index, 'ffffff')
chart.set_grid(globals.scales.time.grid_step, scale.grid_step, 2, 2)
y = [globals.graph_height * (v - scale.range[0])
/ (scale.range[1] - scale.range[0])
for v in values]
indexes = util.incr_douglas_peucker(self.time_positions, y, 1, 450)
chart.add_data([self.track.t[i] for i in indexes])
chart.add_data([values[i] for i in indexes])
return chart
def make_graph(self, globals, values, scale):
href = self.make_graph_chart(globals, values, scale).get_url()
icon = kml.Icon(href=kml.CDATA(href))
overlay_xy = kml.overlayXY(x=0, xunits='fraction',
y=0, yunits='fraction')
screen_xy = kml.screenXY(x=0, xunits='fraction', y=16, yunits='pixels')
size = kml.size(x=0, xunits='fraction', y=0, yunits='fraction')
screen_overlay = kml.ScreenOverlay(icon, overlay_xy, screen_xy, size)
name = scale.title.capitalize() + " graph"
style_url = globals.stock.check_hide_children_style.url()
folder = kml.Folder(screen_overlay, name=name, styleUrl=style_url,
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visibility=0)
return folder
def make_time_mark(self, globals, coord, dt, style_url):
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point = kml.Point(coordinates=[coord], altitudeMode=self.altitude_mode)
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name = (dt + globals.tz_offset).strftime('%H:%M')
return kml.Placemark(point, name=name, styleUrl=style_url)
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def make_time_marks_folder(self, globals, step=datetime.timedelta(0, 300)):