def testLabelBinding(self):
"""attribute binding can be set and get"""
new_label = mapscript.labelObj()
assert (not new_label.getBinding(mapscript.MS_LABEL_BINDING_COLOR))
new_label.setBinding(mapscript.MS_LABEL_BINDING_COLOR, "NEW_BINDING")
assert (new_label.getBinding(
mapscript.MS_LABEL_BINDING_COLOR) == "NEW_BINDING")
def testSettingFonts(self):
mo = mapscript.mapObj()
assert mo.fontset.numfonts == 0
mo.fontset.fonts.set('Vera', os.path.join(TESTS_PATH, 'vera',
'Vera.ttf'))
# NB: this does *not* increment the fonset.numfonts -- new bug
mo.setSize(300, 300)
mo.setExtent(-1.0, -1.0, 1.0, 1.0)
lo = mapscript.layerObj()
lo.type = mapscript.MS_LAYER_POINT
lo.connectiontype = mapscript.MS_INLINE
lo.status = mapscript.MS_DEFAULT
co = mapscript.classObj()
lbl = mapscript.labelObj()
lbl.type = mapscript.MS_TRUETYPE
lbl.font = 'Vera'
lbl.size = 10
lbl.color.setHex('#000000')
co.addLabel(lbl)
so = mapscript.styleObj()
so.symbol = 0
so.color.setHex('#000000')
co.insertStyle(so)
lo.insertClass(co)
li = mo.insertLayer(lo)
lo = mo.getLayer(li)
point = mapscript.pointObj(0, 0)
line = mapscript.lineObj()
line.add(point)
shape = mapscript.shapeObj(lo.type)
shape.add(line)
shape.setBounds()
shape.text = 'Foo'
shape.classindex = 0
lo.addFeature(shape)
im = mo.draw()
# im = mo.prepareImage()
# shape.draw(mo, lo, im)
im.save('testSettingFonts.png')
def setUp(self):
# Inline feature layer
self.ilayer = mapscript.layerObj()
self.ilayer.type = mapscript.MS_LAYER_POLYGON
self.ilayer.status = mapscript.MS_DEFAULT
self.ilayer.connectiontype = mapscript.MS_INLINE
cs = 'f7fcfd, e5f5f9, ccece6, 99d8c9, 66c2a4, 41ae76, 238b45, 006d2c, 00441b'
colors = ['#' + h for h in cs.split(', ')]
for i in range(9):
# Make a class for feature
ci = self.ilayer.insertClass(mapscript.classObj())
co = self.ilayer.getClass(ci)
si = co.insertStyle(mapscript.styleObj())
so = co.getStyle(si)
so.color.setHex(colors[i])
li = co.addLabel(mapscript.labelObj())
lbl = co.getLabel(li)
lbl.color.setHex('#000000')
lbl.outlinecolor.setHex('#FFFFFF')
lbl.type = mapscript.MS_BITMAP
lbl.size = mapscript.MS_SMALL
# The shape to add is randomly generated
xc = 4.0*(random() - 0.5)
yc = 4.0*(random() - 0.5)
r = mapscript.rectObj(xc-0.25, yc-0.25, xc+0.25, yc+0.25)
s = r.toPolygon()
# Classify
s.classindex = i
s.text = "F%d" % (i)
# Add to inline feature layer
self.ilayer.addFeature(s)
def testLabelBinding(self):
"""attribute binding can be set and get"""
new_label = mapscript.labelObj()
assert (not new_label.getBinding(mapscript.MS_LABEL_BINDING_COLOR))
new_label.setBinding(mapscript.MS_LABEL_BINDING_COLOR, "NEW_BINDING")
assert (new_label.getBinding(mapscript.MS_LABEL_BINDING_COLOR) == "NEW_BINDING")
def __init__(self, layer, msLayer, msMap, emitFontDefinitions=False):
"""Serialize labels of a QGis vector layer to mapscript"""
self.layer = layer
self.msLayer = msLayer
self.msMap = msMap
labelingEngine = QgsPalLabeling()
labelingEngine.loadEngineSettings()
if labelingEngine and labelingEngine.willUseLayer(self.layer):
ps = QgsPalLayerSettings.fromLayer(self.layer)
if not ps.isExpression:
self.msLayer.labelitem = unicode(ps.fieldName).encode('utf-8')
else:
pass
msLabel = mapscript.labelObj()
msLabel.type = mapscript.MS_TRUETYPE
msLabel.encoding = 'utf-8'
# Position, rotation and scaling
msLabel.position = utils.serializeLabelPosition(ps)
msLabel.offsetx = int(ps.xOffset)
msLabel.offsety = int(ps.yOffset)
# Data defined rotation
# Please note that this is the only currently supported data defined property.
if QgsPalLayerSettings.Rotation in ps.dataDefinedProperties.keys():
dd = ps.dataDefinedProperty(QgsPalLayerSettings.Rotation)
rotField = unicode(dd.field()).encode('utf-8')
msLabel.setBinding(mapscript.MS_LABEL_BINDING_ANGLE, rotField)
else:
msLabel.angle = ps.angleOffset
if ps.scaleMin > 0:
self.msLayer.labelminscaledenom = ps.scaleMin
if ps.scaleMax > 0:
self.msLayer.labelmaxscaledenom = ps.scaleMax
fontDef, msLabel.size = utils.serializeFontDefinition(ps.textFont, ps.textNamedStyle)
# `emitFontDefinitions` gets set based on whether a fontset path is supplied through
# the plugin UI. There is no point in emitting font definitions without a valid fontset,
# so in that case we fall back to using whatever default font MapServer (thus the
# underlying windowing system) provides.
# Please note that substituting the default font only works in MapServer 7.0.0 and above.
if emitFontDefinitions == True:
msLabel.font = fontDef
if ps.fontSizeInMapUnits:
utils.maybeSetLayerSizeUnitFromMap(QgsSymbolV2.MapUnit, self.msLayer)
# Font size and color
msLabel.color = utils.serializeColor(ps.textColor)
if ps.fontLimitPixelSize:
msLabel.minsize = ps.fontMinPixelSize
msLabel.maxsize = ps.fontMaxPixelSize
# Other properties
wrap = unicode(ps.wrapChar).encode('utf-8')
if len(wrap) == 1:
msLabel.wrap = wrap[0]
elif len(wrap) > 1:
QgsMessageLog.logMessage(
u'Skipping invalid wrap character ("%s") for labels.' % wrap.decode('utf-8'),
'RT MapServer Exporter'
)
else:
# No wrap char set
pass
# Other properties
msLabel.partials = labelingEngine.isShowingPartialsLabels()
msLabel.force = ps.displayAll
msLabel.priority = ps.priority
msLabel.buffer = int(utils.sizeUnitToPx(
ps.bufferSize,
QgsSymbolV2.MapUnit if ps.bufferSizeInMapUnits else QgsSymbolV2.MM
))
if ps.minFeatureSize > 0:
msLabel.minfeaturesize = utils.sizeUnitToPx(ps.minFeatureSize)
# Label definitions gets appended to the very first class on a layer, or to a new class
# if no classes exist.
#
if msLayer.numclasses > 0:
for c in range(0, msLayer.numclasses):
msLayer.getClass(c).addLabel(msLabel)
else:
mapscript.classObj(msLayer).addLabel(msLabel)
def accept(self):
# check user inputs
if self.txtMapFilePath.text() == "":
QMessageBox.warning(self, "RT MapServer Exporter", "Mapfile output path is required")
return
# create a new ms_map
ms_map = mapscript.mapObj()
ms_map.name = _toUtf8( self.txtMapName.text() )
# map size
(width, widthOk), (height, heightOk) = self.txtMapWidth.text().toInt(), self.txtMapHeight.text().toInt()
if widthOk and heightOk:
ms_map.setSize( width, height )
# map units
ms_map.units = self.unitMap[ self.canvas.mapUnits() ]
if self.cmbMapUnits.currentIndex() >= 0:
units, ok = self.cmbMapUnits.itemData( self.cmbMapUnits.currentIndex() ).toInt()
if ok:
ms_map.units = units
# map extent
extent = self.canvas.fullExtent()
ms_map.extent.minx = extent.xMinimum()
ms_map.extent.miny = extent.yMinimum()
ms_map.extent.maxx = extent.xMaximum()
ms_map.extent.maxy = extent.yMaximum()
ms_map.setProjection( _toUtf8( self.canvas.mapRenderer().destinationCrs().toProj4() ) )
if self.txtMapShapePath.text() != "":
ms_map.shapepath = _toUtf8( self.getMapShapePath() )
# image section
r,g,b,a = self.canvas.canvasColor().getRgb()
ms_map.imagecolor.setRGB( r, g, b ) #255,255,255
ms_map.setImageType( _toUtf8( self.cmbMapImageType.currentText() ) )
ms_outformat = ms_map.getOutputFormatByName( ms_map.imagetype )
ms_outformat.transparent = self.onOffMap[ True ]
# legend section
#r,g,b,a = self.canvas.canvasColor().getRgb()
#ms_map.legend.imageColor.setRgb( r, g, b )
#ms_map.legend.status = mapscript.MS_ON
#ms_map.legend.keysizex = 18
#ms_map.legend.keysizey = 12
#ms_map.legend.label.type = mapscript.MS_BITMAP
#ms_map.legend.label.size = MEDIUM??
#ms_map.legend.label.color.setRgb( 0, 0, 89 )
#ms_map.legend.label.partials = self.trueFalseMap[ self.checkBoxPartials ]
#ms_map.legend.label.force = self.trueFalseMap[ self.checkBoxForce ]
#ms_map.legend.template = "[templatepath]"
# web section
ms_map.web.imagepath = _toUtf8( self.getWebImagePath() )
ms_map.web.imageurl = _toUtf8( self.getWebImageUrl() )
ms_map.web.temppath = _toUtf8( self.getWebTemporaryPath() )
# web template
ms_map.web.template = _toUtf8( self.getTemplatePath() )
ms_map.web.header = _toUtf8( self.getTemplateHeaderPath() )
ms_map.web.footer = _toUtf8( self.getTemplateFooterPath() )
# map metadata
ms_map.setMetaData( "ows_title", ms_map.name )
ms_map.setMetaData( "ows_onlineresource", _toUtf8( u"%s?map=%s" % (self.txtMapServerUrl.text(), self.txtMapFilePath.text()) ) )
srsList = []
srsList.append( _toUtf8( self.canvas.mapRenderer().destinationCrs().authid() ) )
ms_map.setMetaData( "ows_srs", ' '.join(srsList) )
ms_map.setMetaData( "ows_enable_request", "*" )
for layer in self.legend.layers():
# create a layer object
ms_layer = mapscript.layerObj( ms_map )
ms_layer.name = _toUtf8( layer.name() )
ms_layer.type = self.getLayerType( layer )
ms_layer.status = self.onOffMap[ self.legend.isLayerVisible( layer ) ]
# layer extent
extent = layer.extent()
ms_layer.extent.minx = extent.xMinimum()
ms_layer.extent.miny = extent.yMinimum()
ms_layer.extent.maxx = extent.xMaximum()
ms_layer.extent.maxy = extent.yMaximum()
ms_layer.setProjection( _toUtf8( layer.crs().toProj4() ) )
if layer.hasScaleBasedVisibility():
ms_layer.minscaledenom = layer.minimumScale()
ms_layer.maxscaledenom = layer.maximumScale()
ms_layer.setMetaData( "ows_title", ms_layer.name )
# layer connection
if layer.providerType() == 'postgres':
ms_layer.setConnectionType( mapscript.MS_POSTGIS, "" )
uri = QgsDataSourceURI( layer.source() )
ms_layer.connection = _toUtf8( uri.connectionInfo() )
data = u"%s FROM %s" % ( uri.geometryColumn(), uri.quotedTablename() )
if uri.keyColumn() != "":
data += u" USING UNIQUE %s" % uri.keyColumn()
data += u" USING UNIQUE %s" % layer.crs().postgisSrid()
if uri.sql() != "":
data += " FILTER (%s)" % uri.sql()
ms_layer.data = _toUtf8( data )
elif layer.providerType() == 'wms':
ms_layer.setConnectionType( mapscript.MS_WMS, "" )
if hasattr(QgsDataSourceURI, 'paramValue'):
uri = QgsDataSourceURI( layer.source() )
else:
uri = QUrl( layer.source() )
uri.paramValue = uri.queryItemValue # forward to the QUrl method
ms_layer.connection = _toUtf8( uri.paramValue("url") )
# loop thru wms sub layers
names = []
styles = []
wmsLayerNames = uri.paramValues("layers")
wmsLayerStyles = uri.paramValues("styles")
for index in range(len(wmsLayerNames)):
wmsNames.append( _toUtf8( wmsLayerNames[index] ) )
wmsStyles.append( _toUtf8( wmsLayerStyles[index] ) )
# output SRSs
srsList = []
srsList.append( _toUtf8( layer.crs().authid() ) )
# Create necessary wms metadata
ms_layer.setMetaData( "ows_name", ','.join(wmsNames) )
ms_layer.setMetaData( "wms_server_version", "1.1.1" )
ms_layer.setMetaData( "ows_srs", ' '.join(srsList) )
#ms_layer.setMetaData( "wms_format", layer.format() )
ms_layer.setMetaData( "wms_format", ','.join(wmsStyles) )
elif layer.providerType() == 'wfs':
ms_layer.setConnectionType( mapscript.MS_WMS, "" )
uri = QgsDataSourceURI( layer.source() )
ms_layer.connection = _toUtf8( uri.uri() )
# output SRSs
srsList = []
srsList.append( _toUtf8( layer.crs().authid() ) )
# Create necessary wms metadata
ms_layer.setMetaData( "ows_name", ms_layer.name )
#ms_layer.setMetaData( "wfs_server_version", "1.1.1" )
ms_layer.setMetaData( "ows_srs", ' '.join(srsList) )
elif layer.providerType() == 'spatialite':
ms_layer.setConnectionType( mapscript.MS_OGR, "" )
uri = QgsDataSourceURI( layer.source() )
ms_layer.connection = _toUtf8( uri.database() )
ms_layer.data = _toUtf8( uri.table() )
elif layer.providerType() == 'ogr':
#ms_layer.setConnectionType( mapscript.MS_OGR, "" )
ms_layer.data = _toUtf8( layer.source().split('|')[0] )
else:
ms_layer.data = _toUtf8( layer.source() )
# set layer style
if layer.type() == QgsMapLayer.RasterLayer:
if hasattr(layer, 'renderer'): # QGis >= 1.9
opacity = layer.renderer().opacity()
else:
opacity = int( 100 * layer.getTransparency() / 255.0 )
ms_layer.opacity = opacity
else:
# use a SLD file set the layer style
tempSldFile = QTemporaryFile("rt_mapserver_exporter-XXXXXX.sld")
tempSldFile.open()
tempSldPath = tempSldFile.fileName()
tempSldFile.close()
# export the QGIS layer style to SLD file
errMsg, ok = layer.saveSldStyle( tempSldPath )
if not ok:
QgsMessageLog.logMessage( errMsg, "RT MapServer Exporter" )
else:
# set the mapserver layer style from the SLD file
with open( unicode(tempSldPath), 'r' ) as fin:
sldContents = fin.read()
if mapscript.MS_SUCCESS != ms_layer.applySLD( sldContents, ms_layer.name ):
QgsMessageLog.logMessage( u"Something went wrong applying the SLD style to the layer '%s'" % ms_layer.name, "RT MapServer Exporter" )
QFile.remove( tempSldPath )
# set layer labels
#XXX the following code MUST be removed when QGIS will
# have SLD label support
labelingEngine = self.canvas.mapRenderer().labelingEngine()
if labelingEngine and labelingEngine.willUseLayer( layer ):
palLayer = labelingEngine.layer( layer.id() )
if palLayer.enabled:
if not palLayer.isExpression:
ms_layer.labelitem = _toUtf8( palLayer.fieldName )
else:
#XXX expressions won't be supported until
# QGIS have SLD label support
pass
if palLayer.scaleMin > 0:
ms_layer.labelminscaledenom = palLayer.scaleMin
if palLayer.scaleMax > 0:
ms_layer.labelmaxscaledenom = palLayer.scaleMax
ms_label = mapscript.labelObj()
ms_label.type = mapscript.MS_TRUETYPE
ms_label.antialias = mapscript.MS_TRUE
ms_label.position = self.getLabelPosition( palLayer )
# TODO: convert offset to pixels
ms_label.offsetx = int( palLayer.xOffset )
ms_label.offsety = int( palLayer.yOffset )
ms_label.angle = palLayer.angleOffset
# set label font name, size and color
fontFamily = palLayer.textFont.family().replace(" ", "")
fontStyle = palLayer.textNamedStyle.replace(" ", "")
ms_label.font = _toUtf8( u"%s-%s" % (fontFamily, fontStyle) )
if palLayer.textFont.pixelSize() > 0:
ms_label.size = int( palLayer.textFont.pixelSize() )
r,g,b,a = palLayer.textColor.getRgb()
ms_label.color.setRGB( r, g, b )
if palLayer.fontLimitPixelSize:
ms_label.minsize = palLayer.fontMinPixelSize
ms_label.maxsize = palLayer.fontMaxPixelSize
ms_label.wrap = _toUtf8( palLayer.wrapChar )
ms_label.priority = palLayer.priority
# TODO: convert buffer size to pixels
ms_label.buffer = int( palLayer.bufferSize )
if int( palLayer.minFeatureSize ) > 0:
# TODO: convert feature size from mm to pixels
ms_label.minfeaturesize = int( palLayer.minFeatureSize )
ms_class = mapscript.classObj()
ms_class.addLabel( ms_label )
ms_layer.insertClass( ms_class )
# save the map file now!
if mapscript.MS_SUCCESS != ms_map.save( _toUtf8( self.txtMapFilePath.text() ) ):
return
# Most of the following code does not use mapscript because it asserts
# paths you supply exists, but this requirement is usually not meet on
# the QGIS client used to generate the mafile.
# get the mapfile content as string so we can manipulate on it
with open( unicode(self.txtMapFilePath.text()), 'r' ) as fin:
# parts holds the content lines
parts = QString(fin.read()).split(u"\n")
partsContentChanged = False
# retrieve the list of used font aliases searching for FONT keywords
fonts = []
searchFontRx = QRegExp("^\\s*FONT\\s+")
for line in parts.filter( searchFontRx ):
# get the font alias, remove quotes around it
fontName = line.replace(searchFontRx, "")[1:-1]
# remove spaces within the font name
fontAlias = QString(fontName).replace(" ", "")
# append the font alias to the font list
if fontAlias not in fonts:
fonts.append( fontAlias )
# update the font alias in the mapfile
# XXX: the following lines cannot be removed since the SLD file
# could refer a font whose name contains spaces. When SLD specs
# ate clear on how to handle fonts than we'll think whether
# remove it or not.
replaceFontRx = QRegExp(u"^(\\s*FONT\\s+\")%s(\".*)$" % QRegExp.escape(fontName))
parts.replaceInStrings(replaceFontRx, u"\\1%s\\2" % fontAlias)
partsContentChanged = True
# create the file containing the list of font aliases used in the
# mapfile
if self.checkCreateFontFile.isChecked():
fontPath = QFileInfo(self.txtMapFilePath.text()).dir().filePath(u"fonts.txt")
with open( unicode(fontPath), 'w' ) as fout:
for fontAlias in fonts:
fout.write( unicode(fontAlias) )
# add the FONTSET keyword with the associated path
if self.txtMapFontsetPath.text() != "":
pos = parts.indexOf( QRegExp("^MAP$") )
if pos >= 0:
parts.insert( pos+1, u' FONTSET "%s"' % self.txtMapFontsetPath.text() )
partsContentChanged = True
else:
QgsMessageLog.logMessage( u"'FONTSET' keyword not added to the mapfile: unable to locate the 'WEB' keyword...", "RT MapServer Exporter" )
# if mapfile content changed, store the file again at the same path
if partsContentChanged:
with open( unicode(self.txtMapFilePath.text()), 'w' ) as fout:
fout.write( unicode( parts.join(u"\n") ) )
# XXX for debugging only: let's have a look at the map result! :)
# XXX it works whether the file pointed by the fontset contains ALL the
# aliases of fonts referred from the mapfile.
#ms_map = mapscript.mapObj( unicode( self.txtMapFilePath.text() ) )
#ms_map.draw().save( _toUtf8( self.txtMapFilePath.text() + ".png" ) , ms_map )
QDialog.accept(self)
def _get_map(self):
"""
Generate a mapserver mapObj.
"""
# create a mapscript map from scratch
map = mapscript.mapObj()
# Configure the map
# NAME
map.name = "BCCVLMap"
# EXTENT ... in projection units (we use epsg:4326) WGS84
map.extent = mapscript.rectObj(-180.0, -90.0, 180.0, 90.0)
# map.extent = mapscript.rectObj(-20026376.39, -20048966.10, 20026376.39, 20048966.10)
# UNITS ... in projection units
map.units = mapscript.MS_DD
# SIZE
map.setSize(256, 256)
# PROJECTION ... WGS84
map.setProjection("init=epsg:4326")
# IMAGETYPE
map.selectOutputFormat("PNG24") # PNG, PNG24, JPEG
map.outputformat.imagemode = mapscript.MS_IMAGEMODE_RGBA
map.outputformat.transparent = mapscript.MS_ON
# TRANSPARENT ON
map.transparent = mapscript.MS_ON
# IMAGECOLOR 255 255 255
# map.imagecolor = mapscript.colorObj(255, 255, 255) ... initial color if transparent is on
# SYMBOLSET (needed to draw circles for CSV points)
self._update_symbol_set(map)
# metadata: wms_feature_info_mime_type text/htm/ application/json
# WEB
# TODO: check return value of setMetaData MS_SUCCESS/MS_FAILURE
map.setMetaData("wms_enable_request", "*")
map.setMetaData("wms_title", "BCCVL WMS Server")
# allow reprojection to Web Mercator
map.setMetaData("wms_srs", "EPSG:4326 EPSG:3857")
# wms_enable_request enough?
map.setMetaData("ows_enable_request", "*")
onlineresource = urlparse.urlunsplit(
(self.request.scheme,
"{}:{}".format(self.request.host, self.request.host_port),
self.request.path,
urllib.urlencode((('DATA_URL', self.request.params.get('DATA_URL').encode('utf-8')), )),
""))
map.setMetaData("wms_onlineresource", onlineresource)
# TODO: metadata
# title, author, xmp_dc_title
# wms_onlineresource ... help to generate GetCapabilities request
# ows_http_max_age ... WMS client caching hints http://www.mnot.net/cache_docs/#CACHE-CONTROL
# ows_lsd_enabled ... if false ignore SLD and SLD_BODY
# wms_attribution_xxx ... do we want attribution metadata?
# SCALEBAR
if False:
# LABEL
sbl = mapscript.labelObj()
sbl.color = mapscript.colorObj(0, 0, 0)
sbl.antialias = mapscript.MS_TRUE
sbl.size = mapscript.MS_LARGE
sb = mapscript.scalebarObj()
sb.label = sbl
sb.status = mapscript.MS_ON
map.scalebar = sb
# LEGEND
if False:
# LABEL
legl = mapscript.labelObj()
legl.color = mapscript.colorObj(64, 64, 64)
legl.antialias = mapscript.MS_TRUE
legl.offsetx = -23
legl.offsety = -1
leg = mapscript.legendObj()
leg.keysizex = 32
leg.keysizey = 10
leg.keyspacingx = 5
leg.keyspacingy = -2
leg.status = mapscript.MS_ON
map.legend = leg
return map
def _get_map(self):
"""
Generate a mapserver mapObj.
"""
# create a mapscript map from scratch
map = mapscript.mapObj()
# Configure the map
# NAME
map.name = "BCCVLMap"
# EXTENT ... in projection units (we use epsg:4326) WGS84
map.extent = mapscript.rectObj(-180.0, -90.0, 180.0, 90.0)
# map.extent = mapscript.rectObj(-20026376.39, -20048966.10, 20026376.39, 20048966.10)
# UNITS ... in projection units
map.units = mapscript.MS_DD
# SIZE
map.setSize(256, 256)
# PROJECTION ... WGS84
map.setProjection("init=epsg:4326")
# IMAGETYPE
map.selectOutputFormat("PNG24") # PNG, PNG24, JPEG
map.outputformat.imagemode = mapscript.MS_IMAGEMODE_RGBA
map.outputformat.transparent = mapscript.MS_ON
# TRANSPARENT ON
map.transparent = mapscript.MS_ON
# IMAGECOLOR 255 255 255
# map.imagecolor = mapscript.colorObj(255, 255, 255) ... initial color if transparent is on
# SYMBOLSET (needed to draw circles for CSV points)
self._update_symbol_set(map)
# metadata: wms_feature_info_mime_type text/htm/ application/json
# WEB
# TODO: check return value of setMetaData MS_SUCCESS/MS_FAILURE
map.setMetaData("wms_enable_request", "*")
map.setMetaData("wms_title", "BCCVL WMS Server")
# allow reprojection to Web Mercator
map.setMetaData("wms_srs", "EPSG:4326 EPSG:3857")
# wms_enable_request enough?
map.setMetaData("ows_enable_request", "*")
onlineresource = urlparse.urlunsplit(
(self.request.scheme, "{}:{}".format(self.request.host,
self.request.host_port),
self.request.path,
urllib.urlencode(
(('DATA_URL', self.request.params.get('DATA_URL')), )), ""))
map.setMetaData("wms_onlineresource", onlineresource)
# TODO: metadata
# title, author, xmp_dc_title
# wms_onlineresource ... help to generate GetCapabilities request
# ows_http_max_age ... WMS client caching hints http://www.mnot.net/cache_docs/#CACHE-CONTROL
# ows_lsd_enabled ... if false ignore SLD and SLD_BODY
# wms_attribution_xxx ... do we want attribution metadata?
# SCALEBAR
if False:
# LABEL
sbl = mapscript.labelObj()
sbl.color = mapscript.colorObj(0, 0, 0)
sbl.antialias = mapscript.MS_TRUE
sbl.size = mapscript.MS_LARGE
sb = mapscript.scalebarObj()
sb.label = sbl
sb.status = mapscript.MS_ON
map.scalebar = sb
# LEGEND
if False:
# LABEL
legl = mapscript.labelObj()
legl.color = mapscript.colorObj(64, 64, 64)
legl.antialias = mapscript.MS_TRUE
legl.offsetx = -23
legl.offsety = -1
leg = mapscript.legendObj()
leg.keysizex = 32
leg.keysizey = 10
leg.keyspacingx = 5
leg.keyspacingy = -2
leg.status = mapscript.MS_ON
map.legend = leg
return map
def accept(self):
layerGroups = []
# check user inputs
if self.txtMapFilePath.text() == "":
QMessageBox.warning(self, "RT MapServer Exporter", "Mapfile output path is required")
return
# create a new ms_map
ms_map = mapscript.mapObj()
ms_map.name = _cleanStr( self.txtMapName.text() )
# map size
(width, widthOk), (height, heightOk) = self.txtMapWidth.text().toInt(), self.txtMapHeight.text().toInt()
if widthOk and heightOk:
ms_map.setSize( width, height )
# map units
ms_map.units = self.unitMap[ self.canvas.mapUnits() ]
if self.cmbMapUnits.currentIndex() >= 0:
units, ok = self.cmbMapUnits.itemData( self.cmbMapUnits.currentIndex() ).toInt()
if ok:
ms_map.units = units
# config options
ms_map.setConfigOption("MS_ERRORFILE", "/tmp/ms_"+ ms_map.name +".log")
# map extent
extent = self.canvas.fullExtent()
ms_map.extent.minx = extent.xMinimum()
ms_map.extent.miny = extent.yMinimum()
ms_map.extent.maxx = extent.xMaximum()
ms_map.extent.maxy = extent.yMaximum()
if self.canvas.mapRenderer().destinationCrs().authid() != "":
ms_map.setProjection( "+init=" + _toUtf8( self.canvas.mapRenderer().destinationCrs().authid() ).lower() )
else:
ms_map.setProjection( _toUtf8( self.canvas.mapRenderer().destinationCrs().toProj4() ) )
if self.txtMapShapePath.text() != "":
ms_map.shapepath = _toUtf8( self.getMapShapePath() )
# image section
r,g,b,a = self.canvas.canvasColor().getRgb()
ms_map.imagecolor.setRGB( r, g, b ) #255,255,255
ms_map.setImageType( _toUtf8( self.cmbMapImageType.currentText() ) )
ms_outformat = ms_map.getOutputFormatByName( ms_map.imagetype )
ms_outformat.transparent = self.onOffMap[ True ]
ms_map.transparent = mapscript.MS_TRUE
# legend section
#r,g,b,a = self.canvas.canvasColor().getRgb()
#ms_map.legend.imageColor.setRgb( r, g, b )
#ms_map.legend.status = mapscript.MS_ON
#ms_map.legend.keysizex = 18
#ms_map.legend.keysizey = 12
#ms_map.legend.label.type = mapscript.MS_BITMAP
#ms_map.legend.label.size = MEDIUM??
#ms_map.legend.label.color.setRgb( 0, 0, 89 )
#ms_map.legend.label.partials = self.trueFalseMap[ self.checkBoxPartials ]
#ms_map.legend.label.force = self.trueFalseMap[ self.checkBoxForce ]
#ms_map.legend.template = "[templatepath]"
# web section
ms_map.web.imagepath = _toUtf8( self.getWebImagePath() )
ms_map.web.imageurl = _toUtf8( self.getWebImageUrl() )
ms_map.web.temppath = _toUtf8( self.getWebTemporaryPath() )
# web template
ms_map.web.template = _toUtf8( self.getTemplatePath() )
ms_map.web.header = _toUtf8( self.getTemplateHeaderPath() )
ms_map.web.footer = _toUtf8( self.getTemplateFooterPath() )
# map metadata
if (QgsProject.instance().readBoolEntry( "WMSServiceCapabilities", "/", False )[0]):
ms_map.setMetaData( "ows_title", _toUtf8( QgsProject.instance().readEntry("WMSServiceTitle", "/", "")[0] ) )
ms_map.setMetaData( "ows_abstract", _toUtf8( QgsProject.instance().readEntry("WMSServiceAbstract", "/", "")[0] ) )
ms_map.setMetaData( "ows_contactorganization", _toUtf8( QgsProject.instance().readEntry("WMSContactOrganization", "/", "")[0] ) )
ms_map.setMetaData( "ows_contactperson", _toUtf8( QgsProject.instance().readEntry("WMSContactPerson", "/", "")[0] ) )
ms_map.setMetaData( "ows_contactelectronicmailaddress", _toUtf8( QgsProject.instance().readEntry("WMSContactMail", "/", "")[0] ) )
ms_map.setMetaData( "ows_contactvoicetelephone", _toUtf8( QgsProject.instance().readEntry("WMSContactPhone", "/", "")[0] ) )
ms_map.setMetaData( "ows_keywordlist", _toUtf8( QgsProject.instance().readListEntry("WMSKeywordList", "/") [0].join(",") ) )
ms_map.setMetaData( "ows_accessconstraints", _toUtf8( QgsProject.instance().readEntry("WMSAccessConstraints", "/", "")[0] ) )
else:
ms_map.setMetaData( "ows_title", _toUtf8( self.txtMapName.text() ) )
ms_map.setMetaData( "ows_onlineresource", _toUtf8( u"%s?map=%s" % (self.txtMapServerUrl.text(), self.txtMapFilePath.text()) ) )
srsList = ["EPSG:4326"]
srsList.append( _toUtf8( self.canvas.mapRenderer().destinationCrs().authid() ) )
ms_map.setMetaData( "ows_srs", ' '.join(srsList) )
ms_map.setMetaData( "ows_enable_request", "*" )
ms_map.setMetaData( "wms_feature_info_mime_type", "text/html")
for layer in self.legend.layers():
# do not process invisible layer
if not self.legend.isLayerVisible( layer ):
continue;
# create a layer object
ms_layer = mapscript.layerObj( ms_map )
ms_layer.name = _cleanStr( layer.name() )
ms_layer.type = self.getLayerType( layer )
ms_layer.status = mapscript.MS_ON
# layer extent
extent = layer.extent()
ms_layer.extent.minx = extent.xMinimum()
ms_layer.extent.miny = extent.yMinimum()
ms_layer.extent.maxx = extent.xMaximum()
ms_layer.extent.maxy = extent.yMaximum()
if layer.crs().authid() != "":
ms_layer.setProjection( "+init=" + _toUtf8( layer.crs().authid() ).lower() )
else:
ms_layer.setProjection( _toUtf8( layer.crs().toProj4() ) )
if layer.hasScaleBasedVisibility():
ms_layer.minscaledenom = layer.minimumScale()
ms_layer.maxscaledenom = layer.maximumScale()
if layer.title() != "":
ms_layer.setMetaData( "ows_title", _toUtf8(layer.title()))
else:
ms_layer.setMetaData( "ows_title", _toUtf8(layer.name()))
if layer.abstract() != "":
ms_layer.setMetaData( "ows_abstract", _toUtf8(layer.abstract()))
arrPath = self.getGroupPath(layer)
if arrPath != "":
path = '/' +'/'.join(arrPath)
ms_layer.setMetaData( "wms_layer_group", _cleanStr( path ))
if not path in layerGroups :
ms_layer_group = mapscript.layerObj( ms_map )
ms_layer_group.name = _cleanStr(arrPath[-1] )
ms_layer_group.setMetaData( "ows_title", arrPath[-1])
ms_layer_group.type = ms_layer.type
ms_layer.status = mapscript.MS_ON
layerGroups.append( path )
# layer connection
if layer.providerType() == 'postgres':
ms_layer.setConnectionType( mapscript.MS_POSTGIS, "" )
uri = QgsDataSourceURI( layer.source() )
ms_layer.connection = _toUtf8( uri.connectionInfo() )
data = u"%s FROM %s" % ( uri.geometryColumn(), uri.quotedTablename() )
#The keyColumn name is invalid with QGis 1.9dev
if uri.keyColumn() != "":
data += u" USING UNIQUE %s" % uri.keyColumn()
data += u" USING srid=%s" % uri.srid()
if uri.sql() != "":
data += " FILTER (%s)" % uri.sql()
ms_layer.data = _toUtf8( data )
elif layer.providerType() == 'wms':
ms_layer.setConnectionType( mapscript.MS_WMS, "" )
q = parse_qs(_toUtf8(layer.source()), True)
ms_layer.connection = q["url"][0]
# loop thru wms sub layers
wmsNames = []
wmsStyles = []
wmsLayerNames = q["layers"]
wmsLayerStyles = q["styles"]
for index in range(len(wmsLayerNames)):
wmsNames.append( _toUtf8( wmsLayerNames[index] ) )
wmsStyles.append( _toUtf8( wmsLayerStyles[index] ) )
# output SRSs
srsList = []
srsList.append( _toUtf8( layer.crs().authid() ) )
# Create necessary wms metadata
ms_layer.setMetaData( "ows_name", ',' . join(wmsNames) )
ms_layer.setMetaData( "wms_server_version", "1.1.1" )
ms_layer.setMetaData( "ows_srs", ' ' . join(srsList) )
ms_layer.setMetaData( "wms_format", q["format"][0] )
elif layer.providerType() == 'wfs':
ms_layer.setConnectionType( mapscript.MS_WFS, "" )
uri = QgsDataSourceURI( layer.source() )
ms_layer.connection = _toUtf8( uri.uri() )
# output SRSs
srsList = []
srsList.append( _toUtf8( layer.crs().authid() ) )
# Create necessary wms metadata
ms_layer.setMetaData( "ows_name", ms_layer.name )
#ms_layer.setMetaData( "wfs_server_version", "1.1.1" )
ms_layer.setMetaData( "ows_srs", ' '.join(srsList) )
elif layer.providerType() == 'spatialite':
ms_layer.setConnectionType( mapscript.MS_OGR, "" )
uri = QgsDataSourceURI( layer.source() )
ms_layer.connection = _toUtf8( uri.database() )
ms_layer.data = _toUtf8( uri.table() )
elif layer.providerType() == 'ogr':
#ms_layer.setConnectionType( mapscript.MS_OGR, "" )
ms_layer.data = _toUtf8( layer.source().split('|')[0] )
else:
ms_layer.data = _toUtf8( layer.source() )
# set layer style
if layer.type() == QgsMapLayer.RasterLayer:
if hasattr(layer, 'renderer'): # QGis >= 1.9
opacity = int( 100 *layer.renderer().opacity())
else:
opacity = int( 100 * layer.getTransparency() / 255.0 )
ms_layer.opacity = opacity
else:
# use a SLD file set the layer style
tempSldFile = QTemporaryFile("rt_mapserver_exporter-XXXXXX.sld")
tempSldFile.open()
tempSldPath = tempSldFile.fileName()
tempSldFile.close()
# export the QGIS layer style to SLD file
errMsg, ok = layer.saveSldStyle( tempSldPath )
if not ok:
QgsMessageLog.logMessage( errMsg, "RT MapServer Exporter" )
else:
# set the mapserver layer style from the SLD file
with open( unicode(tempSldPath), 'r' ) as fin:
sldContents = fin.read()
if mapscript.MS_SUCCESS != ms_layer.applySLD( sldContents, _toUtf8( layer.name() ) ):
QgsMessageLog.logMessage( u"Something went wrong applying the SLD style to the layer '%s'" % ms_layer.name, "RT MapServer Exporter" )
QFile.remove( tempSldPath )
# Convert units between QGis (mm) and MapServer (pixels)
self.convertMapUnit(ms_layer)
# MapServer patch : SLD "GAP" is not recognized
self.patchGAP(layer, ms_layer)
# set layer labels
#XXX the following code MUST be removed when QGIS will
# have SLD label support
palLayer = QgsPalLayerSettings()
palLayer.readFromLayer(layer)
if palLayer.enabled:
if not palLayer.isExpression:
ms_layer.labelitem = _toUtf8( palLayer.fieldName )
else:
#XXX expressions won't be supported until
# QGIS have SLD label support
pass
if palLayer.scaleMin > 0:
ms_layer.labelminscaledenom = palLayer.scaleMin
if palLayer.scaleMax > 0:
ms_layer.labelmaxscaledenom = palLayer.scaleMax
ms_label = mapscript.labelObj()
ms_label.type = mapscript.MS_TRUETYPE
ms_label.antialias = mapscript.MS_TRUE
if layer.geometryType() == QGis.Line:
if palLayer.placementFlags & QgsPalLayerSettings.AboveLine:
ms_label.position = mapscript.MS_UC
elif palLayer.placementFlags & QgsPalLayerSettings.BelowLine:
ms_label.position = mapscript.MS_LC
elif palLayer.placementFlags & QgsPalLayerSettings.OnLine:
ms_label.position = mapscript.MS_CC
ms_label.offsety = int( mmToPixelFactor * palLayer.dist )
else:
ms_label.position = self.getLabelPosition( palLayer )
# TODO: convert offset to pixels
ms_label.offsetx = int( mmToPixelFactor * palLayer.xOffset )
ms_label.offsety = int( mmToPixelFactor * palLayer.yOffset )
if palLayer.placement == palLayer.Line:
ms_label.anglemode = mapscript.MS_AUTO
if palLayer.placement == palLayer.Curved:
ms_label.anglemode = mapscript.MS_FOLLOW
else:
ms_label.angle = palLayer.angleOffset
# set label font name, size and color
fontFamily = palLayer.textFont.family().replace(" ", "")
fontStyle = palLayer.textNamedStyle.replace(" ", "")
ms_label.font = _toUtf8( u"%s-%s" % (fontFamily, fontStyle) )
if palLayer.textFont.pointSize() > 0:
# Facteur 0.75 a ete mis en place pour s'approcher du rendu Qgis
ms_label.size = palLayer.textFont.pointSize() * 0.75
r,g,b,a = palLayer.textColor.getRgb()
ms_label.color.setRGB( r, g, b )
r,g,b,a = palLayer.bufferColor.getRgb()
ms_label.outlinecolor.setRGB( r, g, b )
ms_label.outlinewidth = int( mmToPixelFactor * palLayer.bufferSize )
if palLayer.fontLimitPixelSize:
ms_label.minsize = palLayer.fontMinPixelSize
ms_label.maxsize = palLayer.fontMaxPixelSize
ms_label.wrap = _toUtf8( palLayer.wrapChar )
ms_label.priority = palLayer.priority
# TODO: convert buffer size to pixels
# ms_label.buffer = int( mmToPixelFactor * palLayer.bufferSize )
if int( palLayer.minFeatureSize ) > 0:
# TODO: convert feature size from mm to pixels
ms_label.minfeaturesize = int( mmToPixelFactor * palLayer.minFeatureSize )
for n in range(0, ms_layer.numclasses):
ms_class = ms_layer.getClass(n)
ms_class.addLabel( ms_label )
# ms_class = mapscript.classObj()
# ms_class.addLabel( ms_label )
# ms_layer.insertClass( ms_class )
# save the map file now!
if mapscript.MS_SUCCESS != ms_map.save( _toUtf8( self.txtMapFilePath.text() ) ):
return
# Save GUI parameters
self.storeProperties()
# Most of the following code does not use mapscript because it asserts
# paths you supply exists, but this requirement is usually not meet on
# the QGIS client used to generate the mafile.
# get the mapfile content as string so we can manipulate on it
with open( unicode(self.txtMapFilePath.text()), 'r' ) as fin:
# parts holds the content lines
parts = QString(fin.read()).split(u"\n")
partsContentChanged = False
# retrieve the list of used font aliases searching for FONT keywords
fonts = []
searchFontRx = QRegExp("^\\s*FONT\\s+")
for line in parts.filter( searchFontRx ):
# get the font alias, remove quotes around it
fontName = line.replace(searchFontRx, "")[1:-1]
# remove spaces within the font name
fontAlias = QString(fontName).replace(" ", "")
# append the font alias to the font list
if fontAlias not in fonts:
fonts.append( fontAlias )
# update the font alias in the mapfile
# XXX: the following lines cannot be removed since the SLD file
# could refer a font whose name contains spaces. When SLD specs
# ate clear on how to handle fonts than we'll think whether
# remove it or not.
replaceFontRx = QRegExp(u"^(\\s*FONT\\s+\")%s(\".*)$" % QRegExp.escape(fontName))
parts.replaceInStrings(replaceFontRx, u"\\1%s\\2" % fontAlias)
partsContentChanged = True
# create the file containing the list of font aliases used in the
# mapfile
if self.checkCreateFontFile.isChecked():
fontPath = QFileInfo(self.txtMapFilePath.text()).dir().filePath(u"fonts.txt")
with open( unicode(fontPath), 'w' ) as fout:
for fontAlias in fonts:
fout.write( unicode(fontAlias) )
# add the FONTSET keyword with the associated path
if self.txtMapFontsetPath.text() != "":
pos = parts.indexOf( QRegExp("^MAP$") )
if pos >= 0:
parts.insert( pos+1, u' FONTSET "%s"' % self.txtMapFontsetPath.text() )
partsContentChanged = True
else:
QgsMessageLog.logMessage( u"'FONTSET' keyword not added to the mapfile: unable to locate the 'WEB' keyword...", "RT MapServer Exporter" )
# if mapfile content changed, store the file again at the same path
if partsContentChanged:
with open( unicode(self.txtMapFilePath.text()), 'w' ) as fout:
fout.write( unicode( parts.join(u"\n") ) )
# XXX for debugging only: let's have a look at the map result! :)
# XXX it works whether the file pointed by the fontset contains ALL the
# aliases of fonts referred from the mapfile.
#ms_map = mapscript.mapObj( unicode( self.txtMapFilePath.text() ) )
#ms_map.draw().save( _toUtf8( self.txtMapFilePath.text() + ".png" ) , ms_map )
QDialog.accept(self)