Geoview simplifications
svn: r13212
This commit is contained in:
Gerald Britton
parent
60abf87026
commit
c2dd4dc139
@ -84,6 +84,82 @@ from HtmlRenderer import HtmlView
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GEOVIEW_SUBPATH = Utils.get_empty_tempdir('geoview')
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NB_MARKERS_PER_PAGE = 200
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#-------------------------------------------------------------------------
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#
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# Javascript template
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#
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#-------------------------------------------------------------------------
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_JAVASCRIPT = '''<script>
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var gmarkers = [];
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var min = 0;
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var zoom = 0;
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var pos = 0;
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var selected = 0;
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var current_map = '{current_map}';
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var selectedmarkers = 'All';
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// shows or hide markers of a particular category
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function selectmarkers(year) {{
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selectedmarkers = year;
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for (var i=0; i<gmarkers.length; i++) {{
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val = gmarkers[i].getAttribute("year");
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min = parseInt(year);
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max = min + step;
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if ( selectedmarkers == "All" )
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{{ min = 0; max = 9999; }}
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gmarkers[i].hide();
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gmarkers[i].closeBubble();
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years = val.split(' ');
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for ( j=0; j < years.length; j++) {{
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if ( years[j] >= min ) {{
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if ( years[j] < max ) {{
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gmarkers[i].show();
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}}
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}}
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}}
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}}
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}}
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function savezoomandposition(mapstraction) {{
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var t=setTimeout("savezoomandposition(mapstraction)",1000);
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nzoom = mapstraction.getZoom();
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nposition=mapstraction.getCenter();
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if ( ( nzoom != zoom ) || ( nposition != pos )) {{
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zoom = nzoom;
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pos = nposition;
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document.title = "zoom=" + zoom + " coord=" + pos + ":::";
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}}
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}}
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function removemarkers(mapstraction) {{
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for ( m=0; m < gmarkers.length; m++) {{
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mapstraction.removeMarker(gmarkers[m]);
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}}
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}}
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function get_selected_radio() {{
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selected = 0;
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for ( b=0; b < document.btns.years.length; b++) {{
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if ( document.btns.years[b].checked == true )
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selected=b;
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}}
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}}
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function set_selected_radio() {{
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document.btns.years[selected].click();
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}}
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function reset_radio() {{
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document.btns.years[0].click();
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}}
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function swap_map(div,map) {{
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savezoomandposition(mapstraction);
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{get_radio}
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removemarkers(mapstraction);
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current_map=map;
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mapstraction.swap(div,map);
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{reset_radio}
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setmarkers(mapstraction);
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mapstraction.enableScrollWheelZoom();
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{set_radio}
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}}
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'''
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#-------------------------------------------------------------------------
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#
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# Functions
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@ -182,9 +258,9 @@ class GeoView(HtmlView):
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self.sort = []
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self.without_coord_file = []
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self.place_without_coordinates = []
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self.minlat = float(0.0)
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self.maxlat = float(0.0)
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self.minlon = float(0.0)
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self.minlat = 0.0
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self.maxlat = 0.0
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self.minlon = 0.0
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self.key_active_changed = None
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def top_widget(self):
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@ -624,6 +700,18 @@ class GeoView(HtmlView):
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"""
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Create the needed javascript functions.
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"""
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not_places = self.displaytype != "places"
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self.mapview.write(
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_JAVASCRIPT.format(
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current_map = self.usedmap,
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get_radio = "get_selected_radio();\n" if not_places else "",
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reset_radio = "reset_radio();\n" if not_places else "",
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set_radio = "set_selected_radio();\n" if not_places else "",
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)
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)
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return
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self.mapview.write("<script>\n")
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self.mapview.write(" var gmarkers = [];\n")
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self.mapview.write(" var min = 0;\n")
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@ -761,6 +849,7 @@ class GeoView(HtmlView):
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"""
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Add the last directives for the html page.
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"""
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self.mapview.write(" setcenterandzoom(mapstraction);\n")
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self.mapview.write(" setmarkers(mapstraction);\n")
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self.mapview.write(" savezoomandposition(mapstraction);\n")
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@ -771,6 +860,7 @@ class GeoView(HtmlView):
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self.mapview.write("</script>\n")
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self.mapview.write("</body>\n")
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self.mapview.write("</html>\n")
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self.mapview.close()
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def _set_center_and_zoom(self, ptype):
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@ -800,18 +890,15 @@ class GeoView(HtmlView):
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# Calculate the zoom. all places must be displayed on the map.
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zoomlat = _get_zoom_lat(maxlat)
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zoomlong = _get_zoom_long(maxlong)
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if zoomlat < zoomlong:
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self.zoom = zoomlat
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else:
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self.zoom = zoomlong
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self.zoom = zoomlat if zoomlat < zoomlong else zoomlong
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self.zoom -= 1
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if self.zoom < 2:
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self.zoom = 2
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# We center the map on a point at the center of all markers
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self.centerlat = maxlat/2
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self.centerlon = maxlong/2
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latit = 0.0
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longt = 0.0
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latit = longt = 0.0
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for mark in self.sort:
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cent = int(mark[6])
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if cent:
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@ -835,11 +922,11 @@ class GeoView(HtmlView):
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else:
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longt = self.minlon+self.centerlon
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# all maps: 0.0 for longitude and latitude means no location.
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if latit == 0.0 and longt == 0.0:
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latit = 0.00000001
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longt = 0.00000001
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if latit == longt == 0.0:
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latit = longt = 0.00000001
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self.mustcenter = False
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if latit != 0.0 or longt != 0.0:
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if not (latit == longt == 0.0):
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self.latit = latit
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self.longt = longt
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self.mustcenter = True
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@ -860,16 +947,7 @@ class GeoView(HtmlView):
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self._set_center_and_zoom(ptype)
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for page in range(0, pages, 1):
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self.nbpages += 1
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if ptype == 1:
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ftype = "P"
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elif ptype == 2:
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ftype = "E"
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elif ptype == 3:
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ftype = "F"
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elif ptype == 4:
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ftype = "I"
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else:
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ftype = "X"
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ftype = {1:'P', 2:'E', 3:'F', 4:'I'}.get(ptype, 'X')
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filename = os.path.join(GEOVIEW_SUBPATH,
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"GeoV-%c-%05d.html" %
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(ftype, self.nbpages))
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@ -928,33 +1006,15 @@ class GeoView(HtmlView):
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self.minyear = tfc
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if tfc > self.maxyear:
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self.maxyear = tfc
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if tfa < 0.0:
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tfa -= 0.00000001
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else:
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tfa += 0.00000001
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if tfb < 0.0:
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tfb -= 0.00000001
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else:
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tfb += 0.00000001
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if self.minlat == 0.0:
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tfa += 0.00000001 if tfa >= 0 else -0.00000001
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tfb += 0.00000001 if tfb >= 0 else -0.00000001
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if self.minlat == 0.0 or 0.0 > tfa < self.minlat:
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self.minlat = tfa
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if tfa < self.minlat:
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if tfa < 0.0:
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self.minlat = tfa
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if self.maxlat == 0.0:
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if self.maxlat == 0.0 or 0.0 < tfa > self.maxlat:
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self.maxlat = tfa
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if tfa > self.maxlat:
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if tfa > 0.0:
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self.maxlat = tfa
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if self.minlon == 0.0:
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if self.minlon == 0.0 or 0.0 > tfb < self.minlon:
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self.minlon = tfb
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if tfb < self.minlon:
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if tfb < 0.0:
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self.minlon = tfb
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if self.maxlon == 0.0:
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self.maxlon = tfb
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if tfb > self.maxlon:
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if tfb > 0.0:
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if self.maxlon == 0.0 or 0.0 < tfb > self.maxlon:
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self.maxlon = tfb
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def _create_markers(self, format, firstm, lastm):
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@ -1169,12 +1229,12 @@ class GeoView(HtmlView):
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"""
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self.place_list = []
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self.place_without_coordinates = []
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self.minlat = float(0.0)
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self.maxlat = float(0.0)
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self.minlon = float(0.0)
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self.maxlon = float(0.0)
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self.minyear = int(9999)
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self.maxyear = int(0)
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self.minlat = 0.0
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self.maxlat = 0.0
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self.minlon = 0.0
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self.maxlon = 0.0
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self.minyear = 9999
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self.maxyear = 0
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latitude = ""
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longitude = ""
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self.center = True
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@ -1211,12 +1271,12 @@ class GeoView(HtmlView):
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"""
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self.place_list = []
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self.place_without_coordinates = []
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self.minlat = float(0.0)
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self.maxlat = float(0.0)
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self.minlon = float(0.0)
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self.maxlon = float(0.0)
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self.minyear = int(9999)
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self.maxyear = int(0)
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self.minlat = 0.0
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self.maxlat = 0.0
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self.minlon = 0.0
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self.maxlon = 0.0
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self.minyear = 9999
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self.maxyear = 0
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latitude = ""
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longitude = ""
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self.center = True
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@ -1293,12 +1353,12 @@ class GeoView(HtmlView):
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"""
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self.place_list = []
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self.place_without_coordinates = []
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self.minlat = float(0.0)
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self.maxlat = float(0.0)
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self.minlon = float(0.0)
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self.maxlon = float(0.0)
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self.minyear = int(9999)
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self.maxyear = int(0)
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self.minlat = 0.0
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self.maxlat = 0.0
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self.minlon = 0.0
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self.maxlon = 0.0
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self.minyear = 9999
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self.maxyear = 0
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self.center = True
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person = None
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if dbstate.active:
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@ -1356,12 +1416,12 @@ class GeoView(HtmlView):
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"""
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self.place_list = []
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self.place_without_coordinates = []
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self.minlat = float(0.0)
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self.maxlat = float(0.0)
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self.minlon = float(0.0)
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self.maxlon = float(0.0)
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self.minyear = int(9999)
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self.maxyear = int(0)
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self.minlat = 0.0
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self.maxlat = 0.0
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self.minlon = 0.0
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self.maxlon = 0.0
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self.minyear = 9999
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self.maxyear = 0
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latitude = ""
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longitude = ""
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person = None
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