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Geography : geoclose : better way to show meeting zone.

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svn: r19382
This commit is contained in:
Serge Noiraud
2012-04-24 14:55:36 +00:00
parent 113a8bce3a
commit 2cd6b8a50a
2 changed files with 39 additions and 31 deletions
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64
src/plugins/lib/maps/lifewaylayer.py
View File

@@ -29,6 +29,7 @@
#-------------------------------------------------------------------------
import os
import gobject
from math import *
#------------------------------------------------------------------------
#
@@ -116,35 +117,42 @@ class LifeWayLayer(gobject.GObject, osmgpsmap.GpsMapLayer):
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))
ctx.set_line_width(3)
color = gtk.gdk.color_parse(lifeway[1])
ctx.set_source_rgb(color.red / 65535,
ctx.set_source_rgba(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()
color.blue / 65535,
0.2)
ggc = drawable.new_gc()
rds = float(lifeway[2])
for point in lifeway[0]:
conv_pt1 = osmgpsmap.point_new_degrees(point[0], point[1])
coord_x1, coord_y1 = gpsmap.convert_geographic_to_screen(conv_pt1)
conv_pt2 = osmgpsmap.point_new_degrees(point[0]+rds, point[1])
coord_x2, coord_y2 = gpsmap.convert_geographic_to_screen(conv_pt2)
coy = abs(coord_y2-coord_y1)
conv_pt2 = osmgpsmap.point_new_degrees(point[0], point[1]+rds)
coord_x2, coord_y2 = gpsmap.convert_geographic_to_screen(conv_pt2)
cox = abs(coord_x2-coord_x1)
cox = cox if cox > 0.001 else 0.001
coy = coy if coy > 0.001 else 0.001
coz = abs( 1.0 / float(cox) * float(coy) )
coz = coz if coz > 0.001 else 0.001
ctx.save()
ctx.scale(1.0,coz)
ctx.move_to(coord_x1, coord_y1)
ctx.translate(coord_x1, coord_y1/coz)
ctx.arc(0.0, 0.0, cox, 0.0, 2*pi)
ctx.fill()
ctx.restore()
top_left = osmgpsmap.point_new_degrees(point[0] + lifeway[2],
point[1] - lifeway[2])
bottom_right = osmgpsmap.point_new_degrees(point[0] - lifeway[2],
point[1] + lifeway[2])
crd_x, crd_y = gpsmap.convert_geographic_to_screen(top_left)
crd_x2, crd_y2 = gpsmap.convert_geographic_to_screen(bottom_right)
drawable.draw_arc(ggc, False, crd_x, crd_y, crd_x2 - crd_x,
crd_y2 - crd_y, 0, 360*64)
for lifeway in self.lifeways:
ctx.set_operator(cairo.OPERATOR_ATOP)
@@ -176,7 +184,7 @@ class LifeWayLayer(gobject.GObject, osmgpsmap.GpsMapLayer):
for comment in self.lifeways_comment:
ctx = drawable.cairo_create()
ctx.set_line_width(3.0)
# Does the following font is available for all language ? Is it the good one ?
ctx.select_font_face("Purisa",
cairo.FONT_SLANT_NORMAL,
cairo.FONT_WEIGHT_NORMAL)

6
src/plugins/view/geoclose.py
View File

@@ -33,6 +33,7 @@ Geography for two persons
from gen.ggettext import gettext as _
import operator
import gtk
from math import *
#-------------------------------------------------------------------------
#
@@ -282,10 +283,9 @@ class GeoClose(GeoGraphyView):
radius = float(self._config.get("geography.maximum_meeting_zone")/10.0)
for ref in place_list_ref:
for act in place_list_active:
if (float(act[3])-float(ref[3]))**2 + (float(act[4])-float(ref[4]))**2 <= (radius**2/2 + 0.01):
if (hypot(float(act[3])-float(ref[3]),
float(act[4])-float(ref[4])) <= radius) == True:
# we are in the meeting zone
# The 0.01 adjustment is set because the meeting zone is approximative.
# Perhaps we will have some markers close to this zone. Not very important
self.add_marker(None, None, act[3], act[4], act[7], True)
self.all_place_list.append(act)
self.add_marker(None, None, ref[3], ref[4], ref[7], True)