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Geography : add the possibility to have a meeting zone and not exactly one meeting place.

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svn: r19350
This commit is contained in:
Serge Noiraud 2012-04-18 16:47:39 +00:00
parent 42071b5050
commit 0a9b63bdfd
1 changed files with 50 additions and 1 deletions
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51
src/plugins/lib/maps/lifewaylayer.py
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@ -74,6 +74,7 @@ class LifeWayLayer(gobject.GObject, osmgpsmap.GpsMapLayer):
Initialize the layer
"""
gobject.GObject.__init__(self)
self.lifeways_ref = []
self.lifeways = []
self.lifeways_comment = []
self.comments = []
@ -82,10 +83,19 @@ class LifeWayLayer(gobject.GObject, osmgpsmap.GpsMapLayer):
"""
reset the layer attributes.
"""
self.lifeways_ref = []
self.lifeways = []
self.lifeways_comment = []
self.comments = []
def add_way_ref(self, points, color, radius):
"""
Add a track or life way.
alpha is the transparence
radius is the size of the track.
"""
self.lifeways_ref.append((points, color, radius))
def add_way(self, points, color):
"""
Add a track or life way.
@ -102,8 +112,43 @@ class LifeWayLayer(gobject.GObject, osmgpsmap.GpsMapLayer):
"""
Draw all tracks or life ways.
"""
ctx = drawable.cairo_create()
for lifeway in self.lifeways_ref:
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
ctx.set_line_join(cairo.LINE_JOIN_ROUND)
ctx.set_operator(cairo.OPERATOR_ADD)
conv_pt = osmgpsmap.point_new_degrees(0.0, 0.0)
coord_x, coord_y = gpsmap.convert_geographic_to_screen(conv_pt)
conv_pt = osmgpsmap.point_new_degrees(0.0, lifeway[2])
coord_x1, coord_y1 = gpsmap.convert_geographic_to_screen(conv_pt)
ctx.set_line_width((coord_x1-coord_x)*2)
map_points = []
for point in lifeway[0]:
conv_pt = osmgpsmap.point_new_degrees(point[0], point[1])
coord_x, coord_y = gpsmap.convert_geographic_to_screen(conv_pt)
map_points.append((coord_x, coord_y))
color = gtk.gdk.color_parse(lifeway[1])
ctx.set_source_rgb(color.red / 65535,
color.green / 65535,
color.blue / 65535)
first = True
for idx_pt in range(0, len(map_points)):
if first:
first = False
ctx.move_to(map_points[idx_pt][0], map_points[idx_pt][1])
else:
ctx.line_to(map_points[idx_pt][0], map_points[idx_pt][1])
ctx.stroke()
if len(map_points) == 1 : # We have only one point
crdx = map_points[0][0]
crdy = map_points[0][1]
ctx.move_to(crdx, crdy)
ctx.line_to(crdx + 1, crdy + 1)
ctx.stroke()
for lifeway in self.lifeways:
ctx = drawable.cairo_create()
ctx.set_operator(cairo.OPERATOR_ATOP)
ctx.set_source_rgba(0.0, 0.0, 0.0, 0.0)
ctx.set_line_width(3.0)
map_points = []
for point in lifeway[0]:
@ -138,6 +183,10 @@ class LifeWayLayer(gobject.GObject, osmgpsmap.GpsMapLayer):
ctx.set_font_size(13)
points = comment[0]
conv_pt = osmgpsmap.point_new_degrees(points[0][0], points[0][1])
if len(points) > 1 :
crd_x = -(points[0][0] - points[len(points)-1][0] )/2
crd_y = -(points[0][1] - points[len(points)-1][1] )/2
conv_pt = osmgpsmap.point_new_degrees(points[0][0]+crd_x, points[0][1]+crd_y)
coord_x, coord_y = gpsmap.convert_geographic_to_screen(conv_pt)
ctx.move_to(coord_x, coord_y)
ctx.show_text(comment[1])