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qgis2leaf_exec.py
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qgis2leaf_exec.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
qgis2leaf
A QGIS plugin
QGIS to Leaflet creation program
-------------------
begin : 2014-04-29
copyright : (C) 2013 by Riccardo Klinger
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
"""
from PyQt4.QtCore import QFileInfo
import osgeo.ogr, osgeo.osr #we will need some packages
from osgeo import ogr
from osgeo import gdal
import processing
import shutil
from qgis.core import *
import qgis.utils
import os #for file writing/folder actions
import shutil #for reverse removing directories
import urllib # to get files from the web
from urlparse import parse_qs
import time
import tempfile
import re
import fileinput
import webbrowser #to open the made map directly in your browser
import sys #to use another print command without annoying newline characters
def layerstyle_single(layer):
return color_code
def qgis2leaf_exec(outputProjectFileName, basemapName, basemapMeta, basemapAddress, width, height, extent, full, layer_list, visible, opacity_raster, encode2JSON, cluster_set, webpage_name, webmap_head,webmap_subhead, legend, locate, address, precision, labels, labelhover, matchCRS, selected):
# supply path to where is your qgis installed
#QgsApplication.setPrefixPath("/path/to/qgis/installation", True)
pluginDir = os.path.dirname(os.path.realpath(__file__))
cluster_num = 1
# load providers
QgsApplication.initQgis()
# let's determine the current work folder of qgis:
print os.getcwd()
print layer_list
# let's create the overall folder structure:
outputProjectFileName = os.path.join(outputProjectFileName, 'export_' + str(time.strftime("%Y_%m_%d")) + '_' + str(time.strftime("%I_%M_%S")))
outputProjectFileName = os.path.join(os.getcwd(),outputProjectFileName)
jsStore = os.path.join(outputProjectFileName, 'js')
os.makedirs(jsStore)
jsStore += os.sep
jsDir = pluginDir + os.sep + 'js' + os.sep
shutil.copyfile(jsDir + 'Autolinker.min.js', jsStore + 'Autolinker.min.js')
shutil.copyfile(jsDir + 'leaflet-hash.js', jsStore + 'leaflet-hash.js')
if cluster_set:
shutil.copyfile(jsDir + 'leaflet.markercluster.js', jsStore + 'leaflet.markercluster.js')
if labels:
shutil.copyfile(jsDir + 'label.js', jsStore + 'label.js')
canvas = qgis.utils.iface.mapCanvas()
if matchCRS == True and canvas.mapRenderer().destinationCrs().authid() != 'EPSG:4326':
shutil.copyfile(jsDir + 'proj4.js', jsStore + 'proj4.js')
shutil.copyfile(jsDir + 'proj4leaflet.js', jsStore + 'proj4leaflet.js')
dataStore = os.path.join(outputProjectFileName, 'data')
os.makedirs(dataStore)
cssStore = os.path.join(outputProjectFileName, 'css')
os.makedirs(cssStore)
cssStore += os.sep
cssDir = pluginDir + os.sep + 'css' + os.sep
if cluster_set:
shutil.copyfile(cssDir + 'MarkerCluster.css', cssStore + 'MarkerCluster.css')
shutil.copyfile(cssDir + 'MarkerCluster.Default.css', cssStore + 'MarkerCluster.Default.css')
if labels:
shutil.copyfile(cssDir + 'label.css', cssStore + 'label.css')
picturesStore = os.path.join(outputProjectFileName, 'pictures')
os.makedirs(picturesStore)
miscStore = os.path.join(outputProjectFileName, 'misc')
os.makedirs(miscStore)
#lets create a css file for own css:
with open(cssStore + 'own_style.css', 'w') as f_css:
text = """
body {
padding: 0;
margin: 0;
}"""
if full == 1:
text += """
html, body, #map {
height: 100%;
width: 100%;
padding: 0;
margin: 0;
}"""
else:
text += """
html, body, #map {
height: """+str(height)+"""px;
width: """+str(width)+"""px;
}"""
if opacity_raster == True and full == 1:
text += """
html, body, #slide {
width: 100%;
padding: 0;
margin: 0;
}"""
elif opacity_raster == True:
text += """
html, body, #slide {
width: """+str(width)+"""px;
padding: 0;
margin: 0;
}"""
text += """
th {
text-align: left;
vertical-align: top;
}
.info {
padding: 6px 8px;
font: 14px/16px Arial, Helvetica, sans-serif;
background: white;
background: rgba(255,255,255,0.8);
box-shadow: 0 0 15px rgba(0,0,0,0.2);
border-radius: 5px;
}
.info h2 {
margin: 0 0 5px;
color: #777;
}
.leaflet-container {
background: #fff;"""
f_css.write(text)
f_css.close()
#the index file has an easy beginning. we will store it right away:
outputIndex = outputProjectFileName + os.sep + 'index.html'
with open(outputIndex, 'w') as f_html:
base = """<!DOCTYPE html>
<html>
<head>"""
if webpage_name == "":
base +="""
<title>QGIS2leaf webmap</title>
"""
else:
base +="""
<title>""" + (webpage_name).encode('utf-8') + """</title>"""
base += """
<meta charset="utf-8" />
<link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.css" />"""
if cluster_set:
base+= """
<link rel="stylesheet" href="css/MarkerCluster.css" />
<link rel="stylesheet" href="css/MarkerCluster.Default.css" />"""
base+= """
<link rel="stylesheet" type="text/css" href="css/own_style.css">"""
if labels:
base+= """
<link rel="stylesheet" href="css/label.css" />"""
if address == True:
base += """
<link rel="stylesheet" href="http://k4r573n.github.io/leaflet-control-osm-geocoder/Control.OSMGeocoder.css" /> """
base +="""
<script src="http://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.js"></script>
<script src="js/leaflet-hash.js"></script>"""
if labels:
base += """
<script src="js/label.js"></script>"""
base += """
<script src="js/Autolinker.min.js"></script>"""
if address == True:
base +="""
<script src="http://k4r573n.github.io/leaflet-control-osm-geocoder/Control.OSMGeocoder.js"></script>"""
if cluster_set:
base +="""
<script src="js/leaflet.markercluster.js"></script>"""
if matchCRS == True and canvas.mapRenderer().destinationCrs().authid() != 'EPSG:4326':
base += """
<script src="js/proj4.js"></script>
<script src="js/proj4leaflet.js"></script>"""
if full == 1:
base += """
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />"""
base += """
</head>
<body>
<div id="map"></div>"""
if opacity_raster == True:
base += """
<input id="slide" type="range" min="0" max="1" step="0.1" value="1" onchange="updateOpacity(this.value)">"""
f_html.write(base)
f_html.close()
# let's create the js files in the data folder of input vector files:
wfsLayers = ""
allLayers = canvas.layers()
exp_crs = QgsCoordinateReferenceSystem(4326, QgsCoordinateReferenceSystem.EpsgCrsId)
for i in layer_list:
rawLayerName = i.name()
safeLayerName = re.sub('[\W_]+', '', rawLayerName)
layerFileName = dataStore + os.sep + 'exp_' + safeLayerName + '.js'
if i.providerType() != 'WFS' or encode2JSON == True and i:
if i.type() ==0:
qgis.core.QgsVectorFileWriter.writeAsVectorFormat(i,layerFileName, 'utf-8', exp_crs, 'GeoJson', selected, layerOptions=["COORDINATE_PRECISION="+str(precision)])
#now change the data structure to work with leaflet:
with open(layerFileName, "r+") as f2:
old = f2.read() # read everything in the file
f2.seek(0) # rewind
f2.write("var exp_" + str(safeLayerName) + " = " + old) # write the new line before
f2.close
#now add the js files as data input for our map
with open(outputIndex, 'a') as f3:
new_src = """
<script src=\"""" + 'data' + """/exp_""" + safeLayerName + """.js\"></script>"""
# store everything in the file
f3.write(new_src)
f3.close()
#here comes the raster layers. you need an installed version of gdal
elif i.type() == 1:
if i.dataProvider().name() != "wms":
in_raster = str(i.dataProvider().dataSourceUri())
prov_raster = tempfile.gettempdir() + os.sep + 'exp_' + safeLayerName + '_prov.tif'
out_raster = dataStore + os.sep + 'exp_' + safeLayerName + '.png'
crsSrc = i.crs()
crsDest = QgsCoordinateReferenceSystem(4326)
xform = QgsCoordinateTransform(crsSrc, crsDest)
extentRep = xform.transform(i.extent())
extentRepNew = ','.join([str(extentRep.xMinimum()), str(extentRep.xMaximum()),str(extentRep.yMinimum()), str(extentRep.yMaximum())])
processing.runalg("gdalogr:warpreproject",in_raster,i.crs().authid(),"EPSG:4326","",0,1,0,-1,75,6,1,False,0,False,"",prov_raster)
print extentRepNew
processing.runalg("gdalogr:translate",prov_raster,100,True,"",0,"",extentRepNew,False,0,0,75,6,1,False,0,False,"",out_raster)
#now determine the canvas bounding box
#####now with viewcontrol
if extent == 'canvas extent':
pt0 = canvas.extent()
try:
crsSrc = canvas.mapSettings().destinationCrs() # WGS 84
except:
crsSrc = canvas.mapRenderer().destinationCrs() # WGS 84
crsAuthId = crsSrc.authid()
crsProj4 = crsSrc.toProj4()
crsDest = QgsCoordinateReferenceSystem(4326) # WGS 84 / UTM zone 33N
xform = QgsCoordinateTransform(crsSrc, crsDest)
pt1 = xform.transform(pt0)
bbox_canvas = [pt1.yMinimum(), pt1.yMaximum(),pt1.xMinimum(), pt1.xMaximum()]
bounds = '[[' + str(pt1.yMinimum()) + ',' + str(pt1.xMinimum()) + '],[' + str(pt1.yMaximum()) + ',' + str(pt1.xMaximum()) +']]'
middle = """
<script>"""
#print '>> ' + crsProj4
if matchCRS == True and crsAuthId != 'EPSG:4326':
print '>> ' + crsProj4
middle += """
var crs = new L.Proj.CRS('""" + crsAuthId + """', '""" + crsProj4 + """', {
resolutions: [2800, 1400, 700, 350, 175, 84, 42, 21, 11.2, 5.6, 2.8, 1.4, 0.7, 0.35, 0.14, 0.07],
});"""
middle += """
var map = L.map('map', {"""
if matchCRS == True and crsAuthId != 'EPSG:4326':
middle += """
crs: crs,
continuousWorld: false,
worldCopyJump: false, """
middle += """
zoomControl:true, maxZoom:19
}).fitBounds(""" + bounds + """);
var hash = new L.Hash(map);
var additional_attrib = 'created w. <a href="https://github.com/geolicious/qgis2leaf" target ="_blank">qgis2leaf</a> by <a href="http://www.geolicious.de" target ="_blank">Geolicious</a> & contributors<br>';"""
if extent == 'layer extent':
middle = """
<script>
"""
print '>> ' + crsProj4
if matchCRS == True and crsAuthId != 'EPSG:4326':
print '>> ' + crsProj4
middle += """
var crs = new L.Proj.CRS('""" + crsAuthId + """', '""" + crsProj4 + """', {
resolutions: [2800, 1400, 700, 350, 175, 84, 42, 21, 11.2, 5.6, 2.8, 1.4, 0.7, 0.35, 0.14, 0.07],
});"""
middle += """
var map = L.map('map', { zoomControl:true, maxZoom:19 });
var hash = new L.Hash(map); //add hashes to html address to easy share locations
var additional_attrib = 'created with <a href="https://github.com/geolicious/qgis2leaf" target ="_blank">qgis2leaf</a> by <a href="http://www.geolicious.de" target ="_blank">Geolicious</a> & contributors<br>';"""
# we will start with the clustergroup
middle += """
var feature_group = new L.featureGroup([]);
var raster_group = new L.LayerGroup([]);"""
#here come the basemap (variants list thankfully provided by: "https://github.com/leaflet-extras/leaflet-providers") our geojsons will looped after that
#basemap name
if basemapName == 0 or matchCRS == True:
basemapText = ""
else:
basemapText = ""
for l in range(0,len(basemapAddress)):
print basemapAddress[l]
basemapText += """
var basemap_""" + str(l) +""" = L.tileLayer('""" + basemapAddress[l] + """', {
attribution: additional_attrib + '""" + str(basemapMeta[l]) + """'
});"""
#attribution
# basemapText += """
#map.attributionControl.addAttribution(additional_attrib + '""" + basemapMeta + """');"""
if l == 0:
basemapText += """
basemap_""" + str(l)+""".addTo(map);"""
layerOrder = """
var layerOrder=new Array();
function restackLayers() {
for (index = 0; index < layerOrder.length; index++) {
feature_group.removeLayer(layerOrder[index]);
feature_group.addLayer(layerOrder[index]);
}
}
layerControl = L.control.layers({},{},{collapsed:false});"""
with open(outputIndex, 'a') as f4:
f4.write(middle)
f4.write(basemapText)
f4.write(layerOrder)
f4.close()
for i in reversed(allLayers):
rawLayerName = i.name()
safeLayerName = re.sub('[\W_]+', '', rawLayerName)
if i.type()==0:
with open(outputIndex, 'a') as f5:
#here comes the layer style
#here comes the html popup content
fields = i.pendingFields()
field_names = [field.name() for field in fields]
html_prov = False
icon_prov = False
label_exp = ''
#lets extract possible labels form the qgis map for each layer.
labeltext = ""
f = ''
if labels == True and labelhover == False:
palyr = QgsPalLayerSettings()
palyr.readFromLayer(i)
f = palyr.fieldName
label_exp = False
if labelhover == False:
labeltext = """.bindLabel(feature.properties."""+str(f)+""", {noHide: true})"""
else:
labeltext = """.bindLabel(feature.properties."""+str(f)+""")"""
for field in field_names:
if str(field) == 'html_exp':
html_prov = True
table = 'feature.properties.html_exp'
if str(field) == 'label_exp' and labelhover == False:
label_exp = True
labeltext = """.bindLabel(feature.properties.label_exp, {noHide: true})"""
if str(field) == 'label_exp' and labelhover == True:
label_exp = True
labeltext = """.bindLabel(feature.properties.label_exp)"""
# we will use labels in leaflet only if a fieldname is equal to the label defining field:
if str(f) != "" and str(f) == str(field) and f:
label_exp = True
if str(field) == 'icon_exp':
icon_prov = True #we need this later on for icon creation
if html_prov != True:
tablestart = """'<table>"""
row = ""
for field in field_names:
if str(field) == "icon_exp":
row += ""
else:
if i.editorWidgetV2(fields.indexFromName(field)) != QgsVectorLayer.Hidden and i.editorWidgetV2(fields.indexFromName(field)) != 'Hidden':
row += """<tr><th scope="row">""" + i.attributeDisplayName(fields.indexFromName(str(field))) + """</th><td>' + Autolinker.link(String(feature.properties['""" + str(field) + """'])) + '</td></tr>"""
tableend = """</table>'"""
table = tablestart + row + tableend
if label_exp == False:
labeltext = ""
popFuncs = """
var popupContent = """ + table + """;
layer.bindPopup(popupContent);"""
new_pop = """
function pop_""" + safeLayerName + """(feature, layer) {"""+popFuncs+"""
}"""
#single marker points:
layerName = safeLayerName
renderer = i.rendererV2()
rendererDump = renderer.dump()
layer_transp_float = 1 - (float(i.layerTransparency()) / 100)
if rendererDump[0:6] == 'SINGLE':
symbol = renderer.symbol()
colorName = symbol.color().name()
symbol_transp_float = symbol.alpha()
opacity_str = str(layer_transp_float*symbol_transp_float)
if i.geometryType() == 0 and icon_prov != True:
radius_str = str(symbol.size() * 2)
borderColor_str = str(symbol.symbolLayer(0).borderColor().name())
pointToLayer_str = """
pointToLayer: function (feature, latlng) {
return L.circleMarker(latlng, {
radius: """+radius_str+""",
fillColor: '"""+colorName+"""',
color: '"""+borderColor_str+"""',
weight: 1,
opacity: """+opacity_str+""",
fillOpacity: """+opacity_str+"""
})"""+labeltext
if i.providerType() == 'WFS' and encode2JSON == False:
stylestr = pointToLayer_str + """
},
onEachFeature: function (feature, layer) {""" + popFuncs + """
}"""
new_obj, scriptTag, cluster_num = buildPointWFS(layerName, i.source(), "", stylestr, cluster_set, cluster_num, visible)
wfsLayers += """
<script src='""" + scriptTag + """'></script>"""
else:
new_obj = """
var exp_""" + safeLayerName + """JSON = new L.geoJson(exp_""" + safeLayerName + """,{
onEachFeature: pop_""" + safeLayerName + "," + pointToLayer_str + """
}
});"""
#add points to the cluster group
if cluster_set:
new_obj += """
var cluster_group"""+ safeLayerName + """JSON= new L.MarkerClusterGroup({showCoverageOnHover: false});"""
new_obj += """
cluster_group"""+ safeLayerName + """JSON.addLayer(exp_""" + safeLayerName + """JSON);"""
cluster_num += 1
elif i.geometryType() == 1:
radius_str = str(symbol.width() * 5)
penStyle_str = getLineStyle(symbol.symbolLayer(0).penStyle())
lineStyle_str = """
return {
weight: """+radius_str+""",
color: '"""+colorName+"""',
dashArray: '"""+penStyle_str+"""',
opacity: """+opacity_str+""",
fillOpacity: """+opacity_str+"""
};"""
if i.providerType() == 'WFS' and encode2JSON == False:
stylestr="""
style: function (feature) {""" + lineStyle_str + """
},
onEachFeature: function (feature, layer) {"""+popFuncs+"""
}"""
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), "", stylestr, popFuncs, visible)
wfsLayers += """
<script src='""" + scriptTag + """'></script>"""
else:
new_obj = """
function doStyle""" + safeLayerName + """(feature) {""" + lineStyle_str + """
}"""
new_obj += buildNonPointJSON("", safeLayerName)
new_obj += restackLayers(layerName, visible)
elif i.geometryType() == 2:
if symbol.symbolLayer(0).layerType() == 'SimpleLine':
colorName = 'none'
borderColor_str = str(symbol.color().name())
radius_str = str(symbol.symbolLayer(0).width() * 5)
else:
borderColor_str = str(symbol.symbolLayer(0).borderColor().name())
borderStyle_str = getLineStyle(symbol.symbolLayer(0).borderStyle())
radius_str = str(symbol.symbolLayer(0).borderWidth() * 5)
if symbol.symbolLayer(0).brushStyle() == 0:
borderStyle_str = "0"
polyStyle_str = """
return {
color: '"""+borderColor_str+"""',
fillColor: '"""+colorName+"""',
weight: """+radius_str+""",
dashArray: '"""+borderStyle_str+"""',
opacity: """+opacity_str+""",
fillOpacity: """+opacity_str+"""
};
"""
if i.providerType() == 'WFS' and encode2JSON == False:
stylestr="""
style: function (feature) {""" + polyStyle_str + """
},
onEachFeature: function (feature, layer){"""+popFuncs+"""
}"""
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), "", stylestr, popFuncs, visible)
wfsLayers += """
<script src='""" + scriptTag + """'></script>"""
else:
new_obj = """
function doStyle""" + safeLayerName + """(feature) {""" + polyStyle_str + """
}"""
new_obj += buildNonPointJSON("", safeLayerName)
new_obj += restackLayers(layerName, visible)
elif rendererDump[0:11] == 'CATEGORIZED':
if i.geometryType() == 0 and icon_prov != True:
categories = renderer.categories()
valueAttr = renderer.classAttribute()
categoryStr = """
function doStyle""" + layerName + """(feature) {
switch (feature.properties.""" + valueAttr + """) {"""
for cat in categories:
if not cat.value():
categoryStr += """
default:
return {"""
else:
if isinstance(cat.value(), basestring):
categoryStr += """
case '""" + unicode(cat.value()) + """':
return {"""
else:
categoryStr += """
case """ + unicode(cat.value()) + """:
return {"""
symbol = cat.symbol()
symbol_transp_float = symbol.alpha()
opacity_str = str(layer_transp_float*symbol_transp_float)
print str(layer_transp_float) + " x " + str(symbol_transp_float) + " = " + opacity_str
categoryStr += """
radius: '""" + unicode(symbol.size() * 2) + """',
fillColor: '""" + unicode(symbol.color().name()) + """',
color: '""" + unicode(symbol.symbolLayer(0).borderColor().name())+ """',
weight: 1,
fillOpacity: '""" + opacity_str + """',
};
break;"""
categoryStr += """
}
}"""
if i.providerType() == 'WFS' and encode2JSON == False:
stylestr="""
pointToLayer: function (feature, latlng) {
return L.circleMarker(latlng, doStyle""" + layerName + """(feature))"""+labeltext+"""
},
onEachFeature: function (feature, layer) {"""+popFuncs+"""
}"""
new_obj, scriptTag, cluster_num = buildPointWFS(layerName, i.source(), categoryStr, stylestr, cluster_set, cluster_num, visible)
wfsLayers += """
<script src='""" + scriptTag + """'></script>"""
else:
new_obj = categoryStr + """
var exp_""" + safeLayerName + """JSON = new L.geoJson(exp_""" + safeLayerName + """,{
onEachFeature: pop_""" + safeLayerName + """,
pointToLayer: function (feature, latlng) {
return L.circleMarker(latlng, doStyle""" + layerName + """(feature))"""+labeltext+"""
}
});"""
#add points to the cluster group
if cluster_set == True:
new_obj += """
var cluster_group"""+ safeLayerName + """JSON= new L.MarkerClusterGroup({showCoverageOnHover: false});
cluster_group"""+ safeLayerName + """JSON.addLayer(exp_""" + safeLayerName + """JSON);"""
cluster_num += 1
elif i.geometryType() == 1:
categories = renderer.categories()
valueAttr = renderer.classAttribute()
categoryStr = """
function doStyle""" + layerName + """(feature) {"""
categoryStr += """
switch (feature.properties.""" + valueAttr + ") {"
for cat in categories:
if not cat.value():
categoryStr += """
default:
return {"""
else:
if isinstance(cat.value(), basestring):
categoryStr += """
case '""" + unicode(cat.value()) + """':
return {"""
else:
categoryStr += """
case """ + unicode(cat.value()) + """:
return {"""
#categoryStr += "radius: '" + unicode(cat.symbol().size() * 2) + "',"
symbol = cat.symbol()
symbol_transp_float = symbol.alpha()
opacity_str = str(layer_transp_float*symbol_transp_float)
print str(layer_transp_float) + " x " + str(symbol_transp_float) + " = " + opacity_str
categoryStr += """
color: '""" + unicode(symbol.color().name()) + """',
weight: '""" + unicode(symbol.width() * 5) + """',
dashArray: '""" + getLineStyle(symbol.symbolLayer(0).penStyle()) + """',
opacity: '""" + opacity_str + """',
};
break;"""
categoryStr += """
}
}"""
stylestr="""
style:doStyle""" + layerName + """,
onEachFeature: function (feature, layer) {"""+popFuncs+"""
}"""
if i.providerType() == 'WFS' and encode2JSON == False:
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), categoryStr, stylestr, popFuncs, visible)
wfsLayers += """
<script src='""" + scriptTag + """'></script>"""
else:
new_obj = buildNonPointJSON(categoryStr, safeLayerName)
elif i.geometryType() == 2:
categories = renderer.categories()
valueAttr = renderer.classAttribute()
categoryStr = """
function doStyle""" + layerName + "(feature) {"
categoryStr += """
switch (feature.properties.""" + valueAttr + ") {"
for cat in categories:
if not cat.value():
categoryStr += """
default:
return {"""
else:
if isinstance(cat.value(), basestring):
categoryStr += """
case '""" + unicode(cat.value()) + """':
return {"""
else:
categoryStr += """
case """ + unicode(cat.value()) + """:
return {"""
symbol = cat.symbol()
symbol_transp_float = symbol.alpha()
opacity_str = str(layer_transp_float*symbol_transp_float)
print str(layer_transp_float) + " x " + str(symbol_transp_float) + " = " + opacity_str
categoryStr += """
weight: '""" + unicode(symbol.symbolLayer(0).borderWidth() * 5) + """',
fillColor: '""" + unicode(symbol.color().name()) + """',
color: '""" + unicode(symbol.symbolLayer(0).borderColor().name()) + """',
weight: '1',
dashArray: '""" + getLineStyle(symbol.symbolLayer(0).borderStyle()) + """',
opacity: '""" + opacity_str + """',
fillOpacity: '""" + opacity_str + """',
};
break;"""
categoryStr += """
}
}"""
if i.providerType() == 'WFS' and encode2JSON == False:
stylestr="""
style:doStyle""" + layerName + """,
onEachFeature : function (feature, layer) {"""+popFuncs+"""
}"""
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), categoryStr, stylestr, popFuncs, visible)
wfsLayers += """
<script src='""" + scriptTag + """'></script>"""
else:
new_obj = buildNonPointJSON(categoryStr, safeLayerName)
elif rendererDump[0:9] == 'GRADUATED':
if i.geometryType() == 0 and icon_prov != True:
valueAttr = renderer.classAttribute()
categoryStr = """
function doStyle""" + layerName + "(feature) {"
for r in renderer.ranges():
symbol = r.symbol()
symbol_transp_float = symbol.alpha()
opacity_str = str(layer_transp_float*symbol_transp_float)
print str(layer_transp_float) + " x " + str(symbol_transp_float) + " = " + opacity_str
categoryStr += """
if (feature.properties.""" + valueAttr + " >= " + unicode(r.lowerValue()) + " && feature.properties." + valueAttr + " <= " + unicode(r.upperValue()) + """) {
return {
radius: '""" + unicode(symbol.size() * 2) + """',
fillColor: '""" + unicode(symbol.color().name()) + """',
color: '""" + unicode(symbol.symbolLayer(0).borderColor().name())+ """',
weight: 1,
fillOpacity: '""" + opacity_str + """',
}
}"""
categoryStr += """
}"""
if i.providerType() == 'WFS' and encode2JSON == False:
stylestr="""
pointToLayer: function (feature, latlng) {
return L.circleMarker(latlng, doStyle""" + layerName + """(feature))"""+labeltext+"""
},
onEachFeature: function (feature, layer) {"""+popFuncs+"""
}"""
new_obj, scriptTag, cluster_num = buildPointWFS(layerName, i.source(), categoryStr, stylestr, cluster_set, cluster_num, visible)
wfsLayers += """
<script src='""" + scriptTag + """'></script>"""
else:
new_obj = categoryStr + """
var exp_""" + safeLayerName + """JSON = new L.geoJson(exp_""" + safeLayerName + """,{
onEachFeature: pop_""" + safeLayerName + """,
pointToLayer: function (feature, latlng) {
return L.circleMarker(latlng, doStyle""" + safeLayerName + """(feature))"""+labeltext+"""
}
});"""
#add points to the cluster group
if cluster_set == True:
new_obj += """
var cluster_group"""+ safeLayerName + """JSON= new L.MarkerClusterGroup({showCoverageOnHover: false});
cluster_group"""+ safeLayerName + """JSON.addLayer(exp_""" + safeLayerName + """JSON);"""
cluster_num += 1
elif i.geometryType() == 1:
valueAttr = renderer.classAttribute()
categoryStr = """
function doStyle""" + layerName + "(feature) {"
for r in renderer.ranges():
symbol = r.symbol()
symbol_transp_float = symbol.alpha()
opacity_str = str(layer_transp_float*symbol_transp_float)
print str(layer_transp_float) + " x " + str(symbol_transp_float) + " = " + opacity_str
categoryStr += """
if (feature.properties.""" + valueAttr + " >= " + unicode(r.lowerValue()) + " && feature.properties." + valueAttr + " <= " + unicode(r.upperValue()) + """) {
return {"""
categoryStr += """
color: '""" + unicode(symbol.symbolLayer(0).color().name())+ """',
weight: '""" + unicode(symbol.width() * 5) + """',
opacity: '""" + opacity_str + """',
}
}"""
categoryStr += """
}"""
if i.providerType() == 'WFS' and encode2JSON == False:
stylestr="""
style:doStyle""" + layerName + """,
onEachFeature: function (feature, layer) {"""+popFuncs+"""
}"""
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), categoryStr, stylestr, popFuncs, visible)
wfsLayers += """
<script src='""" + scriptTag + """'></script>"""
else:
new_obj = buildNonPointJSON(categoryStr, safeLayerName)
elif i.geometryType() == 2:
valueAttr = renderer.classAttribute()
categoryStr = """
function doStyle""" + layerName + "(feature) {"
for r in renderer.ranges():
symbol = r.symbol()
symbol_transp_float = symbol.alpha()
opacity_str = str(layer_transp_float*symbol_transp_float)
print str(layer_transp_float) + " x " + str(symbol_transp_float) + " = " + opacity_str
categoryStr += """
if (feature.properties.""" + valueAttr + " >= " + unicode(r.lowerValue()) + " && feature.properties." + valueAttr + " <= " + unicode(r.upperValue()) + """) {
return {
color: '""" + unicode(symbol.symbolLayer(0).borderColor().name())+ """',
weight: '""" + unicode(symbol.symbolLayer(0).borderWidth() * 5) + """',
fillColor: '""" + unicode(symbol.color().name())+ """',
opacity: '""" + opacity_str + """',
fillOpacity: '""" + opacity_str + """',
}
}"""
categoryStr += """
}"""
if i.providerType() == 'WFS' and encode2JSON == False:
stylestr="""
style: doStyle""" + layerName + """,
onEachFeature: function (feature, layer) {"""+popFuncs+"""
}"""
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), categoryStr, stylestr, popFuncs, visible)
wfsLayers += """
<script src='""" + scriptTag + """'></script>"""
else:
new_obj = buildNonPointJSON(categoryStr, safeLayerName)
# elif rendererDump[0:10] == 'Rule-based':
# for rule in renderer.rootRule().children():
# try:
# print rule.filterExpression() + ": " + rule.filter().functionCount()
# except:
# print 11111
# print renderer.rootRule().filterExpression()
# categoryStr = """
# function doStyle""" + layerName + "(feature) {"
# for r in renderer.rootRule().children():
# symbol = r.symbol()
# filterExpression = r.filterExpression()
# filterExpression = re.sub('=', '==', filterExpression)
# categoryStr += """
# if (""" + filterExpression + """) {
# return {
# radius: '""" + unicode(symbol.size() * 2) + """',
# fillColor: '""" + unicode(symbol.color().name()) + """',
# color: '""" + unicode(symbol.symbolLayer(0).borderColor().name())+ """',
# weight: 1,
# fillOpacity: '""" + str(symbol.alpha()) + """',
# }
# }"""
# categoryStr += """
# }"""
# if i.providerType() == 'WFS' and encode2JSON == False:
# stylestr="""
# pointToLayer: function (feature, latlng) {
# return L.circleMarker(latlng, doStyle""" + layerName + """(feature))"""+labeltext+"""
# },
# onEachFeature: function (feature, layer) {"""+popFuncs+"""
# }"""
# new_obj, scriptTag, cluster_num = buildPointWFS(layerName, i.source(), categoryStr, stylestr, cluster_set, cluster_num, visible)
# wfsLayers += """
# <script src='""" + scriptTag + """'></script>"""
# else:
# new_obj = categoryStr + """
# var exp_""" + safeLayerName + """JSON = new L.geoJson(exp_""" + safeLayerName + """,{
# onEachFeature: pop_""" + safeLayerName + """,
# pointToLayer: function (feature, latlng) {
# return L.circleMarker(latlng, doStyle""" + safeLayerName + """(feature))"""+labeltext+"""
# }
# });"""
# #add points to the cluster group
# if cluster_set == True:
# new_obj += """
# var cluster_group"""+ safeLayerName + """JSON= new L.MarkerClusterGroup({showCoverageOnHover: false});
# cluster_group"""+ safeLayerName + """JSON.addLayer(exp_""" + safeLayerName + """JSON);"""
# cluster_num += 1
elif icon_prov == True and i.geometryType() == 0:
new_obj = """
var exp_""" + safeLayerName + """JSON = new L.geoJson(exp_""" + safeLayerName + """,{
onEachFeature: pop_""" + safeLayerName + """,
pointToLayer: function (feature, latlng) {
return L.marker(latlng, {
icon: L.icon({
iconUrl: feature.properties.icon_exp,
iconSize: [24, 24], // size of the icon change this to scale your icon (first coordinate is x, second y from the upper left corner of the icon)
iconAnchor: [12, 12], // point of the icon which will correspond to marker's location (first coordinate is x, second y from the upper left corner of the icon)
popupAnchor: [0, -14] // point from which the popup should open relative to the iconAnchor (first coordinate is x, second y from the upper left corner of the icon)
})
})"""+labeltext+"""
}}
);"""
#add points to the cluster group
if cluster_set == True:
new_obj += """
var cluster_group"""+ safeLayerName + """JSON= new L.MarkerClusterGroup({showCoverageOnHover: false});
cluster_group"""+ safeLayerName + """JSON.addLayer(exp_""" + safeLayerName + """JSON);"""
cluster_num += 1
else:
new_obj = """
var exp_""" + safeLayerName + """JSON = new L.geoJson(exp_""" + safeLayerName + """,{
onEachFeature: pop_""" + safeLayerName + """,
});"""
# store everything in the file
if i.providerType() != 'WFS' or encode2JSON == True:
f5.write(new_pop)
f5.write("""
""" + new_obj)
if visible == 'show all':
if cluster_set == False:
if i.geometryType() == 0:
f5.write("""
//add comment sign to hide this layer on the map in the initial view.
feature_group.addLayer(exp_"""+ safeLayerName + """JSON);""")
else:
f5.write("""
//add comment sign to hide this layer on the map in the initial view.
feature_group.addLayer(exp_""" + safeLayerName + """JSON);""")
else:
f5.write("""
//add comment sign to hide this layer on the map in the initial view.
cluster_group.addLayer(exp_""" + safeLayerName + """JSON);""")
if visible == 'show none':
if cluster_set == False:
if i.geometryType() == 0:
f5.write("""
//delete comment sign to show this layer on the map in the initial view.
//feature_group.addLayer(exp_"""+ safeLayerName + """JSON);""")
if i.geometryType() != 0:
f5.write("""
//delete comment sign to show this layer on the map in the initial view.
//feature_group.addLayer(exp_""" + safeLayerName + """JSON);""")
else:
f5.write("""
//delete comment sign to show this layer on the map in the initial view.
//cluster_group.addLayer(exp_""" + safeLayerName + """JSON);""")
f5.close()
elif i.type() == 1:
if i.dataProvider().name() == "wms":
d = parse_qs(i.source())
wms_url = d['url'][0]
wms_layer = d['layers'][0]
wms_format = d['format'][0]
wms_crs = d['crs'][0]
new_obj = """
var overlay_""" + safeLayerName + """ = L.tileLayer.wms('""" + wms_url + """', {
layers: '""" + wms_layer + """',
format: '""" + wms_format + """',
transparent: true,
continuousWorld : true,
}).addTo(map);"""
print d
#print i.source()
else:
out_raster_name = 'data/' + 'exp_' + safeLayerName + '.png'
pt2 = i.extent()
crsSrc = i.crs() # WGS 84
crsDest = QgsCoordinateReferenceSystem(4326) # WGS 84 / UTM zone 33N
xform = QgsCoordinateTransform(crsSrc, crsDest)
pt3 = xform.transform(pt2)
bbox_canvas2 = [pt3.yMinimum(), pt3.yMaximum(),pt3.xMinimum(), pt3.xMaximum()]
bounds2 = '[[' + str(pt3.yMinimum()) + ',' + str(pt3.xMinimum()) + '],[' + str(pt3.yMaximum()) + ',' + str(pt3.xMaximum()) +']]'
new_obj = """
var img_""" + safeLayerName + """= '""" + out_raster_name + """';
var img_bounds_""" + safeLayerName + """ = """+ bounds2 + """;
var overlay_""" + safeLayerName + """ = new L.imageOverlay(img_""" + safeLayerName + """, img_bounds_""" + safeLayerName + """).addTo(map);
raster_group.addLayer(overlay_""" + safeLayerName + """);"""
with open(outputIndex, 'a') as f5_raster:
f5_raster.write(new_obj)
f5_raster.close()
with open(outputIndex, 'a') as f5fgroup:
f5fgroup.write("""
feature_group.addTo(map);""")
f5fgroup.close()
#let's add a Title and a subtitle
if webmap_head != "":
titleStart ="""
var title = new L.Control();
title.onAdd = function (map) {
this._div = L.DomUtil.create('div', 'info'); // create a div with a class "info"
this.update();
return this._div;
};
title.update = function () {
this._div.innerHTML = '<h2>""" + webmap_head.encode('utf-8') + """</h2>""" + webmap_subhead.encode('utf-8') + """'
};
title.addTo(map);"""
with open(outputIndex, 'a') as f5contr:
f5contr.write(titleStart)
f5contr.close()
#here comes the address search:
if address == True:
address_text = """
var osmGeocoder = new L.Control.OSMGeocoder({
collapsed: false,
position: 'topright',
text: 'Find!',
});
osmGeocoder.addTo(map);"""
with open(outputIndex, 'a') as f5addr:
f5addr.write(address_text)
f5addr.close()
#let's add a legend
if legend == True:
legendStart = """
var legend = L.control({position: 'bottomright'});
legend.onAdd = function (map) {
var div = L.DomUtil.create('div', 'info legend');
div.innerHTML = "<h3>Legend</h3><table>"""
for i in reversed(allLayers):
rawLayerName = i.name()
safeLayerName = re.sub('[\W_]+', '', rawLayerName)
if i.type() == 0:
fields = i.pendingFields()
field_names = [field.name() for field in fields]
legend_ico_prov = False
legend_exp_prov = False
for field in field_names:
if str(field) == 'legend_ico':
legend_ico_prov = True
if str(field) == 'legend_exp':
legend_exp_prov = True
if legend_ico_prov == True and legend_exp_prov == True:
iter = i.getFeatures()
for feat in iter:
fid = feat.id()
provider = i.dataProvider()
legend_ico_index = provider.fieldNameIndex('legend_ico')
legend_exp_index = provider.fieldNameIndex('legend_exp')
attribute_map = feat.attributes()
legend_icon = attribute_map[legend_ico_index]
legend_expression = attribute_map[legend_exp_index]
print legend_expression
print legend_icon
break
legendStart += """<tr><td><img src='""" + unicode(legend_icon) + """'></img></td><td>"""+unicode(legend_expression) + """</td></tr>"""
legendStart += """</table>";
return div;
};
legend.addTo(map);"""
with open(outputIndex, 'a') as f5leg:
f5leg.write(legendStart)
f5leg.close()
# let's add layer control
print len(basemapName)
if len(basemapName) == 0 or matchCRS == True:
controlStart = """"""
if len(basemapName) == 1:
controlStart = """
var baseMaps = {