def make_colored_track(self, globals, values, scale, altitude_mode,
scale_chart=True, **folder_options):
style_url = globals.stock.check_hide_children_style.url()
folder = kml.Folder(name='Colored by %s' % scale.title,
styleUrl=style_url, **folder_options)
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)
return kmz.kmz(folder).add_roots(*styles)
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,
visibility=visibility)
style_url = self.check_hide_children_style.url()
return kml.Folder(screen_overlay, name='None', styleUrl=style_url)
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,
visibility=0)
return folder
