geography : some minor tweaks for kml and prepare for feature request 08428
This commit is contained in:
SNoiraud
Ross Gammon
parent
588e2f9427
commit
7afda11c9b
@ -54,6 +54,7 @@ from gi.repository import Pango, PangoCairo
|
||||
# Gramps Modules
|
||||
#
|
||||
#-------------------------------------------------------------------------
|
||||
from .libkml import Kml
|
||||
|
||||
#-------------------------------------------------------------------------
|
||||
#
|
||||
@ -72,15 +73,14 @@ class KmlLayer(GObject.GObject, osmgpsmap.MapLayer):
|
||||
* Allowed : points, paths and polygons.
|
||||
|
||||
* One point : name, (latitude, longitude)
|
||||
* One path : name, [ (latitude, longitude), (latitude, longitude), ...]
|
||||
* One polygon : name, fill, [ (latitude, longitude), (latitude, longitude), ...]
|
||||
* One path : name, type, color, transparency, [ (latitude, longitude), (latitude, longitude), ...]
|
||||
* One polygon : name, type, color, transparency, [ (latitude, longitude), (latitude, longitude), ...]
|
||||
"""
|
||||
def __init__(self):
|
||||
"""
|
||||
Initialize the layer
|
||||
"""
|
||||
GObject.GObject.__init__(self)
|
||||
self.dots = []
|
||||
self.paths = []
|
||||
self.polygons = []
|
||||
self.tag = ""
|
||||
@ -92,158 +92,86 @@ class KmlLayer(GObject.GObject, osmgpsmap.MapLayer):
|
||||
"""
|
||||
reset the layer attributes.
|
||||
"""
|
||||
self.dots = []
|
||||
self.paths = []
|
||||
self.polygons = []
|
||||
self.name = ""
|
||||
|
||||
def polygon(self, attributes):
|
||||
self.points = []
|
||||
for subAttribute in attributes:
|
||||
if subAttribute.tag == self.tag + 'outerBoundaryIs':
|
||||
for subsubAttribute in subAttribute:
|
||||
if subsubAttribute.tag == self.tag + 'LinearRing':
|
||||
for subsubsubAttribute in subsubAttribute:
|
||||
if subsubsubAttribute.tag == self.tag + 'coordinates':
|
||||
for point in subsubsubAttribute.text.split():
|
||||
try:
|
||||
(longitude, latitude, altitude) = point.split(',')
|
||||
except:
|
||||
(longitude, latitude) = point.split(',')
|
||||
self.points.append((float(latitude), float(longitude)))
|
||||
if subAttribute.tag == self.tag + 'innerBoundaryIs':
|
||||
for subsubAttribute in subAttribute:
|
||||
if subsubAttribute.tag == self.tag + 'LinearRing':
|
||||
for subsubsubAttribute in subsubAttribute:
|
||||
if subsubsubAttribute.tag == self.tag + 'coordinates':
|
||||
for point in subsubsubAttribute.text.split():
|
||||
try:
|
||||
(longitude, latitude, altitude) = point.split(',')
|
||||
except:
|
||||
(longitude, latitude) = point.split(',')
|
||||
self.points.append((float(latitude), float(longitude)))
|
||||
if subAttribute.tag == self.tag + 'LinearRing':
|
||||
for subsubAttribute in subAttribute:
|
||||
if subsubAttribute.tag == self.tag + 'coordinates':
|
||||
for point in subsubAttribute.text.split():
|
||||
try:
|
||||
(longitude, latitude, altitude) = point.split(',')
|
||||
except:
|
||||
(longitude, latitude) = point.split(',')
|
||||
self.points.append((float(latitude), float(longitude)))
|
||||
|
||||
def add_kml(self, kml_file):
|
||||
"""
|
||||
Add a kml file.
|
||||
The access right and validity must be verified before this method.
|
||||
"""
|
||||
tree = ETree.parse(kml_file)
|
||||
root = tree.getroot()
|
||||
self.tag = root.tag.replace('}kml','}')
|
||||
_LOG.debug("Tag version of kml file %s is %s" % (kml_file, self.tag))
|
||||
fname, extension = os.path.splitext(kml_file)
|
||||
fdir, kmlfile = os.path.split(fname)
|
||||
self.index = -1
|
||||
lineStrings = tree.findall('.//' + self.tag + 'Placemark')
|
||||
for attributes in lineStrings:
|
||||
for subAttribute in attributes:
|
||||
if subAttribute.tag == self.tag + 'name':
|
||||
self.name = subAttribute.text
|
||||
if subAttribute.tag == self.tag + 'Polygon':
|
||||
self.type = 'Polygon'
|
||||
self.points = []
|
||||
self.polygon(subAttribute)
|
||||
if self.name == "":
|
||||
self.polygons.append((kmlfile, self.points))
|
||||
else:
|
||||
self.polygons.append((self.name, self.points))
|
||||
if subAttribute.tag == self.tag + 'Point':
|
||||
self.type = 'Point'
|
||||
self.points = []
|
||||
for subsubAttribute in subAttribute:
|
||||
if subsubAttribute.tag == self.tag + 'coordinates':
|
||||
for point in subsubAttribute.text.split():
|
||||
try:
|
||||
(longitude, latitude, altitude) = point.split(',')
|
||||
except:
|
||||
(longitude, latitude) = point.split(',')
|
||||
self.points.append((float(latitude), float(longitude)))
|
||||
if self.name == "":
|
||||
self.dots.append((kmlfile, self.points))
|
||||
else:
|
||||
self.dots.append((self.name, self.points))
|
||||
if subAttribute.tag == self.tag + 'LineString':
|
||||
self.type = 'Path'
|
||||
self.points = []
|
||||
for subsubAttribute in subAttribute:
|
||||
if subsubAttribute.tag == self.tag + 'coordinates':
|
||||
for point in subsubAttribute.text.split():
|
||||
try:
|
||||
(longitude, latitude, altitude) = point.split(',')
|
||||
except:
|
||||
(longitude, latitude) = point.split(',')
|
||||
self.points.append((float(latitude), float(longitude)))
|
||||
if self.name == "":
|
||||
self.paths.append((kmlfile, self.points))
|
||||
else:
|
||||
self.paths.append((self.name, self.points))
|
||||
self.kml = Kml(kml_file)
|
||||
(paths, polygons) = self.kml.add_kml()
|
||||
if paths != []:
|
||||
self.paths.append(paths)
|
||||
if polygons != []:
|
||||
self.polygons.append(polygons)
|
||||
|
||||
def do_draw(self, gpsmap, ctx):
|
||||
"""
|
||||
Draw all the messages
|
||||
Draw all the surfaces and paths
|
||||
"""
|
||||
color1 = Gdk.color_parse('red')
|
||||
color2 = Gdk.color_parse('blue')
|
||||
# We don't display self.dots. use markers.
|
||||
for polygon in self.polygons:
|
||||
(name, points) = polygon
|
||||
map_points = []
|
||||
for point in points:
|
||||
conv_pt = osmgpsmap.MapPoint.new_degrees(point[0], point[1])
|
||||
coord_x, coord_y = gpsmap.convert_geographic_to_screen(conv_pt)
|
||||
map_points.append((coord_x, coord_y))
|
||||
first = True
|
||||
ctx.save()
|
||||
ctx.set_source_rgba(float(color2.red / 65535.0),
|
||||
float(color2.green / 65535.0),
|
||||
float(color2.blue / 65535.0),
|
||||
0.3) # transparency
|
||||
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
|
||||
ctx.set_line_join(cairo.LINE_JOIN_ROUND)
|
||||
ctx.set_line_width(3)
|
||||
ctx.new_path()
|
||||
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.close_path()
|
||||
ctx.fill()
|
||||
ctx.restore()
|
||||
for path in self.paths:
|
||||
(name, points) = path
|
||||
map_points = []
|
||||
for point in points:
|
||||
conv_pt = osmgpsmap.MapPoint.new_degrees(point[0], point[1])
|
||||
coord_x, coord_y = gpsmap.convert_geographic_to_screen(conv_pt)
|
||||
map_points.append((coord_x, coord_y))
|
||||
first = True
|
||||
ctx.save()
|
||||
ctx.set_source_rgba(float(color1.red / 65535.0),
|
||||
float(color1.green / 65535.0),
|
||||
float(color1.blue / 65535.0),
|
||||
0.5) # transparency
|
||||
ctx.set_line_width(5)
|
||||
ctx.set_operator(cairo.OPERATOR_ATOP)
|
||||
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()
|
||||
ctx.restore()
|
||||
for polygons in self.polygons:
|
||||
for polygon in polygons:
|
||||
(name, ptype, color, transparency, points) = polygon
|
||||
map_points = []
|
||||
for point in points:
|
||||
conv_pt = osmgpsmap.MapPoint.new_degrees(point[0], point[1])
|
||||
coord_x, coord_y = gpsmap.convert_geographic_to_screen(conv_pt)
|
||||
map_points.append((coord_x, coord_y))
|
||||
first = True
|
||||
ctx.save()
|
||||
ctx.set_source_rgba(float(color2.red / 65535.0),
|
||||
float(color2.green / 65535.0),
|
||||
float(color2.blue / 65535.0),
|
||||
0.3) # transparency
|
||||
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
|
||||
ctx.set_line_join(cairo.LINE_JOIN_ROUND)
|
||||
ctx.set_line_width(3)
|
||||
ctx.new_path()
|
||||
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.close_path()
|
||||
if ptype == "Polygon":
|
||||
ctx.stroke()
|
||||
if ptype == "OuterPolygon":
|
||||
ctx.fill()
|
||||
if ptype == "InnerPolygon":
|
||||
ctx.set_source_rgba(1.0, 1.0, 1.0, 0.3)
|
||||
ctx.set_operator(cairo.OPERATOR_ADD)
|
||||
ctx.fill()
|
||||
ctx.restore()
|
||||
for paths in self.paths:
|
||||
for path in paths:
|
||||
(name, ptype, color, transparency, points) = path
|
||||
map_points = []
|
||||
for point in points:
|
||||
conv_pt = osmgpsmap.MapPoint.new_degrees(point[0], point[1])
|
||||
coord_x, coord_y = gpsmap.convert_geographic_to_screen(conv_pt)
|
||||
map_points.append((coord_x, coord_y))
|
||||
first = True
|
||||
ctx.save()
|
||||
ctx.set_source_rgba(float(color1.red / 65535.0),
|
||||
float(color1.green / 65535.0),
|
||||
float(color1.blue / 65535.0),
|
||||
0.5) # transparency
|
||||
ctx.set_line_width(5)
|
||||
ctx.set_operator(cairo.OPERATOR_ATOP)
|
||||
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()
|
||||
ctx.restore()
|
||||
|
||||
def do_render(self, gpsmap):
|
||||
"""
|
||||
|
||||
Loading…
Reference in New Issue
Block a user