Python mapscript.mapObj函数代码示例

 def open(self):
     self.filename = str(QtGui.QFileDialog.getOpenFileName(None, "Select one file to open", self.firstDir, "MapFile (*.map);;Text (*.txt);;All (*.*)"))
     self.map = mapscript.mapObj(self.filename)
     try:
         self.map = mapscript.mapObj(self.filename)
     except Exception:
         self.ui.statusbar.showMessage('Error: opening mapfile failed.')
     
     self.ui.statusbar.showMessage('Info: mapfile opened.')
     self.updateMapStructure()

def saveGeorefProject(conf,inputs,outputs):
    import mmsession
    import mapfile.service as ms

    mapfile=conf["main"]["dataPath"]+"/georeferencer_maps/project_"+inputs["map"]["value"]+".map"
    m = mapscript.mapObj(mapfile)
    conf["senv"]["mmGeoDST"]=m.web.metadata.get("mmGeoDST")
    conf["senv"]["mmGeoDSO"]=m.web.metadata.get("mmGeoDSO")
    if inputs.has_key("dso") and inputs["dso"]["value"]=="NULL":
        inputs["dso"]["value"]=m.getLayer(0).name
    conf["senv"]["mmGeoMap"]=inputs["dso"]["value"]

    import shutil
    ofile=m.getLayer(0).data
    shutil.copy2(ofile,conf["main"]["tmpPath"])
    conf["senv"]["mmGeoImg"]=ofile.split('/')[len(ofile.split('/'))-1]

    mmsession.save(conf)
    try:
	    os.mkdir(conf["main"]["dataPath"]+"/georeferencer_maps/"+inputs["dso"]["value"])
    except:
	    pass

    if not(os.path.isfile(conf["main"]["dataPath"]+"/georeferencer_maps/project_"+inputs["dso"]["value"]+".map")) or (inputs.has_key("force") and inputs["force"]["value"]=="true"):
	try:
	    import glob
	    for name in glob.glob(conf["main"]["dataPath"]+"/georeferencer_maps/"+inputs["map"]["value"]+"/*.csv"):
                shutil.copy2(name,conf["main"]["dataPath"]+"/georeferencer_maps/"+inputs["dso"]["value"])
	except Exception,e:
	    print >> sys.stderr,e
	    pass
        m.save(conf["main"]["dataPath"]+"/georeferencer_maps/project_"+inputs["dso"]["value"]+".map")

 def testMapWithDefaultMap(self):
     """ReferenceCountingTestCase.testTestMap: test map constructor with default map file"""
     test_map = mapscript.mapObj(TESTMAPFILE)
     assert test_map.__class__.__name__ == "mapObj"
     assert test_map.thisown == 1
     assert test_map.refcount == 1
     assert test_map.getLayer(0).refcount == 2

def main(map_file):

    map = mapscript.mapObj(map_file)
    map.setMetaData("ows_onlineresource", "http://dummy.org/")
    ows_req = mapscript.OWSRequest()

    ows_req.type = mapscript.MS_GET_REQUEST

    ows_req.setParameter("SERVICE", "WMS")
    ows_req.setParameter("VERSION", "1.1.0")
    ows_req.setParameter("REQUEST", "GetCapabilities")

    mapscript.msIO_installStdoutToBuffer()
    dispatch_status = map.OWSDispatch(ows_req)

    if dispatch_status != mapscript.MS_SUCCESS:
        print("An error occurred")

    content_type = mapscript.msIO_stripStdoutBufferContentType()
    mapscript.msIO_stripStdoutBufferContentHeaders()
    result = mapscript.msIO_getStdoutBufferBytes()

    # [('Content-Type', 'application/vnd.ogc.wms_xml; charset=UTF-8'), ('Content-Length', '11385')]
    response_headers = [('Content-Type', content_type),
                        ('Content-Length', str(len(result)))]

    assert int(response_headers[1][1]) > 0

    dom = xml.dom.minidom.parseString(result)
    print(dom.toprettyxml(indent="", newl=""))

def get_style_from_mapserver(request):
    if request.method == 'GET':
        layerName = request.GET.get('layer_name')
        map = mapscript.mapObj(openthingis.settings.MAPSERVER_MAPFILE)
        layer = map.getLayerByName(layerName)
        sld = layer.generateSLD()
        return HttpResponse(sld, content_type='application/xml')

	def __init__(self,parent,id,size):
		wx.InitAllImageHandlers()
		self.size = size
		
		#setup map object
		self.map = mapscript.mapObj()
		self.map.width = size[0]
		self.map.height = size[1]
		#self.map.setProjection('proj=latlong,ellps=WGS84')
		self.map.setProjection('proj=lcc,ellps=GRS80') 
		# set the output format 
		self.map.setOutputFormat(mapscript.outputFormatObj('GD/PNG') )
		self.map.interlace = False #PIL can't handle interlaced PNGs
		topo=mapscript.layerObj(None) 
		topo.name="topo"  
		topo.type=mapscript.MS_LAYER_RASTER  
		topo.connectiontype=mapscript.MS_RASTER  
		topo.setProjection('proj=lcc,ellps=GRS80,datum=NAD83')
		topo.status = mapscript.MS_ON    
		topo.tileindex="maps/index.shp"
		topo.tileitem="location"
		layerNum = self.map.insertLayer(topo)
		
		#fn = self.lookupTopoFilename(0)
		#self.loadRaster(fn)
		BufferedCanvas.__init__(self,parent,id)

 def getMapObj(self):
   mapObj = None
   try:
     mapObj = mapscript.mapObj(self.mapfile)
   except mapscript.MapServerError as err:
     self.messageTextEdit.append( str(err) )
   return mapObj

def saveGeoreferencedProject(conf,inputs,outputs):
    import mmsession
    import mapfile.service as ms

    mapfile=inputs["dst"]["value"]+"ds_ows.map"
    m = mapscript.mapObj(mapfile)
    ms.removeAllLayers(m,inputs["dso"]["value"])

    m.web.metadata.set("mmGeoDST",inputs["dst"]["value"])
    conf["senv"]["mmGeoDST"]=inputs["dst"]["value"]
    
    m.web.metadata.set("mmGeoDSO",inputs["dso"]["value"])
    conf["senv"]["mmGeoDSO"]=inputs["dso"]["value"]
    conf["senv"]["mmGeoMap"]=inputs["dso"]["value"]

    import shutil
    ofile=m.getLayer(0).data
    shutil.copy2(ofile,conf["main"]["tmpPath"])
    conf["senv"]["mmGeoImg"]=ofile.split('/')[len(ofile.split('/'))-1]

    if inputs.keys().count("gcpfile")>0:
	    m.web.metadata.set("mmGeoGCPFile",inputs["gcpfile"]["value"])
	    conf["senv"]["mmGeoGCPFile"]=inputs["gcpfile"]["value"]
    mmsession.save(conf)
    if not(os.path.isfile(conf["main"]["dataPath"]+"/georeferencer_maps/project_"+inputs["dso"]["value"]+".map")):
        m.save(conf["main"]["dataPath"]+"/georeferencer_maps/project_"+inputs["dso"]["value"]+".map")
    outputs["Result"]["value"]=zoo._("Georeference Project saved")
    return zoo.SERVICE_SUCCEEDED

def SecureAccess(conf,inputs,outputs):
    global myCookies
    mapfile=conf["main"]["dataPath"]+"/public_maps/project_"+inputs["server"]["value"]+".map"
    try:
    	myMap=mapscript.mapObj(mapfile)
    except:
        conf["lenv"]["message"]=zoo._("Unable to find any project with this name!")
	return zoo.SERVICE_FAILED
    c = auth.getCon(conf)
    prefix=auth.getPrefix(conf)
    if not(validToken(c,prefix,inputs["token"]["value"])):
        conf["lenv"]["message"]=zoo._("Unable to validate your token!")
        return zoo.SERVICE_FAILED
    if not(validIp(conf,c,prefix,inputs["ip"]["value"],0,[inputs["server"]["value"]])):
        conf["lenv"]["message"]=zoo._("You are not allowed to access the ressource using this ip address!")
        return zoo.SERVICE_FAILED
    q=None
    if inputs["Query"]["mimeType"]=="application/json":
        import json
        q=json.loads(inputs["Query"]["value"])
    myAutorizedGroups=myMap.web.metadata.get('mm_access_groups').split(',')
    if myAutorizedGroups.count('public')==0 and not(q is None or q["request"].upper()=="GETCAPABILITIES" or q["request"].upper()=="GETLEGENDGRAPHIC") and not(tryIdentifyUser(conf,inputs["user"]["value"],inputs["password"]["value"])):
        conf["lenv"]["message"]=zoo._("You are not allowed to access the ressource using this user / password!")
        conf["lenv"]["status_code"]="401 Unauthorized"
        print >> sys.stderr,conf["lenv"]
        return zoo.SERVICE_FAILED
    if conf.keys().count("senv")==0:
        conf["senv"]={"group": getGroupFromToken(c,prefix,inputs["token"]["value"])}
    else:
        print >> sys.stderr,conf["senv"]
    try:
    	myCurrentGroups=conf["senv"]["group"].split(',')
    except Exception,e:
    	myCurrentGroups=[]

    def update_latest_mapfile(self, mapfile, shapePath, geotifRelativePath):
        '''
        Update the 'latest' mapfile.

        Inputs:

            mapfile - Full path to the mapfile.

            shapePath - Value to attribute to the mapfile's 'shapepath' 
                variable.

            geotifRelativePath - Relative path to the geotiff. This path 
                is relative to the shapePath argument.
        '''

        
        mapObj = mapscript.mapObj(mapfile)
        mapObj.shapepath = shapePath
        mapWMSMetadata = mapObj.web.metadata
        mapWMSMetadata.set('wms_onlineresource', 
                           'http://%s/cgi-bin/mapserv?map=%s&' \
                            % (self.host.host, mapfile))
        layer = mapObj.getLayerByName(self.product.short_name)
        layer.data = geotifRelativePath
        layerAbstract = '%s product generated for the %s timeslot.' % \
                        (self.product.short_name, 
                         self.timeslot.strftime('%Y-%m-%d %H:%M'))
        layer.metadata.set('wms_abstract', layerAbstract)
        mapObj.save(mapfile)
        return mapfile

    def __init__(self, request, **kwargs):
        """
        Method to setup map object based on the input parameters. The map
        object represents the mapserver mapfile and is used to render
        the wms requests.
        """
        # Store arguments
        self.request = request
        self.kwargs = kwargs

        # Create mapobject
        self.map_object = mapscript.mapObj()

        self.register_symbolset()
        self.register_layers()

        # Set map object properties
        self.map_object.setProjection('init=epsg:3857')
        self.map_object.setExtent(-180, -90, 180, 90)
        self.map_object.setSize(256, 256)
        self.map_object.setMetaData('wms_title', self.title)
        self.map_object.setMetaData('wms_srs', 'epsg:' + ' epsg:'.join(self.srs))
        self.map_object.setMetaData('wms_enable_request',
                               ' '.join(self.enable_requests))
        self.map_object.outputformat.transparent = mapscript.MS_ON

        # Set legend item size
        self.map_object.legend.keysizex = self.legend_size[0]
        self.map_object.legend.keysizey = self.legend_size[1]

        # Allow debugging
        if settings.DEBUG:
            self.map_object.debug = mapscript.MS_ON

    def _render(self, inputFile, outputFile):
        mapfile = 'MapRenderer/static.map'
        # print "Input From: " + inputFile
        # print "Output to: " + outputFile

        #check output directory exists
        if not os.path.exists(self.outputPath):
            os.makedirs(self.outputPath)

        try:
            m = mapscript.mapObj(mapfile)
            m.setSize(1542,2523)

            #set layer data file
            layer = m.getLayerByName("dispersal")
            layer.data = inputFile

            m.draw().save(outputFile)
        except mapscript.MapServerError as e:
            print e
            pass
            #log.critical(e)
        except IOError as e:
            print e
            pass

def mapserver(params,mapfile):
    """ Function implementing mapserver functionality.
    
    params: dictionary of query string of a mapserver GET request
    mapfile: path to mapfile
    
    returns: tuple with content type and response body
    """
    helper.dbg("creating map for: " + mapfile)
    request = mapscript.OWSRequest()
    #request.loadParams()
    for k in params:
        #helper.dbg( "%s : %s" % (k,params[k]))
        request.setParameter(k,params[k])
    # change the style INSPIRE:DEFAULT back to an empty string otherwise Mapserver will complain
    styles = request.getValueByName('STYLES')
    if (styles is not None and styles.count(default_style) > 0):
        styles = styles.replace(default_style, "")
        request.setParameter("STYLES", styles)
    style = request.getValueByName('STYLE')
    if style == default_style:
        request.setParameter("STYLE", "") 
            
    map = mapscript.mapObj( mapfile )
    mapscript.msIO_installStdoutToBuffer()
    map.OWSDispatch( request )
    content_type = mapscript.msIO_stripStdoutBufferContentType()
    content = mapscript.msIO_getStdoutBufferBytes()
    operation = request.getValueByName('REQUEST')
    version = request.getValueByName('VERSION')
    if (version == '1.3.0' or version is None) and operation.upper() == 'GETCAPABILITIES':
        content = altercapabilities(content, namespace, prefix, schemaLocation, language)
    #response = 'Content-type: %s\n%s' % (content_type,content)    
    return [content_type, content]

def bug_673():

    
    if string.find(mapscript.msGetVersion(),'SUPPORTS=PROJ') == -1:
        return 'skip'

    map = mapscript.mapObj('../misc/ogr_direct.map')

    map.setProjection('+proj=utm +zone=11 +datum=WGS84')

    layer = map.getLayer(0)

    # Draw map without reprojection.

    layer.setProjection('+proj=utm +zone=11 +datum=WGS84')
    img1 = map.draw()

    # Draw map with reprojection

    map.setProjection('+proj=latlong +datum=WGS84')
    map.setExtent(-117.25,43.02,-117.21,43.05)

    img2 = map.draw()
    try:
        os.mkdir('result')
    except:
        pass
    img2.save( 'result/bug673.png' )

    # Verify we got the image we expected ... at least hopefully we didn't
    # get all white which would indicate the bug is back.

    return pmstestlib.compare_and_report( 'bug673.png' )

def wms(request):
    import mapscript
    image = None
    for field in ['IMAGE', 'COVERAGE', 'image', 'coverage', 'id', 'ID']:
        if field in request.GET: image = request.GET[field] 
    try:
        image = int(image)
        obj = Map.objects.get(pk=image)
        filename = obj.warped
    except:
        filename = "%s" % image 
    filename = "%s/%s" % (settings.MAP_PATH, os.path.basename(filename))    
    ows = mapscript.OWSRequest()
    for k, v in request.GET.items():
        if k.lower() in ['image', 'coverage']: continue 
        ows.setParameter(k, v)
    ows.setParameter("LAYERS", "image")
    ows.setParameter("COVERAGE", "image")
    map = mapscript.mapObj('%s/wms.map' % settings.BASE_PATH)
    raster = mapscript.layerObj(map)
    raster.name = 'image'
    raster.type = mapscript.MS_LAYER_RASTER
    raster.data = filename 
    raster.status = mapscript.MS_DEFAULT
    raster.setProjection( "+init=epsg:4326" )
    raster.dump = mapscript.MS_TRUE
    raster.metadata.set("wcs_formats", "GEOTIFF JPEG2000")
    mapscript.msIO_installStdoutToBuffer()
    contents = map.OWSDispatch(ows)
    content_type = mapscript.msIO_stripStdoutBufferContentType()
    content = mapscript.msIO_getStdoutBufferBytes()
    return HttpResponse(content, content_type = content_type)