Example #1
1
def main:
    map = mapscript.mapObj()
    map.name = 'Test Map'
    map.setSize(300, 300)
    map.setExtent(-180.0,-90.0,180.0,90.0)
    map.imagecolor.setRGB(80, 180, 80)
    map.units = mapscript.MS_DD

    layer = mapscript.layerObj(map)
    layer.name = "regioni"
    layer.type = mapscript.MS_LAYER_POLYGON
    layer.status = mapscript.MS_DEFAULT
    layer.data = os.getcwd() + '/../data/regioni'

    class1 = mapscript.classObj(layer)
    class1.name = "Regioni"
    style = mapscript.styleObj(class1)
    style.outlinecolor.setRGB(100, 100, 100)
    style.color.setRGB(200, 200, 200)
    extent = layer.getExtent()

    map.setExtent(extent.minx, extent.miny, extent.maxx, extent.maxy)
    mapimage = map.draw()

    mapimage.save(os.getcwd() + '/../images/mapscript_map.png')
Example #2
0
    def set_cartography(self, layer):
        """
        Sets the cartograhy for this layer
        
        TODO: This currently sets cartograpy to None, but should be a
        lookup to a set of cartographies or be a dynamically created one
        """

        # Select cartograpy or use default one
        carto_requested = self.request.GET.get("cartography", "")
        if carto_requested:
            self.cartograpy = None

        # Class and style settings
        if self.cartography:
            for cart in self.cartography:
                # Set categorization
                category = mapscript.classObj(layer)
                category.setExpression(cart["expression"])
                category.name = cart["name"]
                # Set category style
                style = mapscript.styleObj(category)
                style.color.setHex(to_hex(cart["color"]))
        else:
            category = mapscript.classObj(layer)
            category.name = layer.name
            style = mapscript.styleObj(category)
            style.color.setHex("#FF00FF")

        return layer
Example #3
0
    def set_cartography(self, layer):
        """
        Sets the cartograhy for this layer

        TODO: This currently sets cartograpy to None, but should be a
        lookup to a set of cartographies or be a dynamically created one
        """

        # Select cartograpy or use default one
        carto_requested = self.request.GET.get('cartography', '')
        if carto_requested:
            self.cartograpy = None

        # Class and style settings
        if self.cartography:
            for cart in self.cartography:
                # Set categorization
                category = mapscript.classObj(layer)
                category.setExpression(cart['expression'])
                category.name = cart['name']
                # Set category style
                style = mapscript.styleObj(category)
                style.color.setHex(to_hex(cart['color']))
        else:
            category = mapscript.classObj(layer)
            category.name = layer.name
            style = mapscript.styleObj(category)
            style.color.setHex('#FF00FF')

        return layer
Example #4
0
    def get_vector_layer(self, field_name):
        """
        Connect this layer to a vector data model.
        """
        # Get base layer
        layer = self.get_base_layer()

        layer.type = self.layer_types[field_name]

        # Set connection to DB
        layer.setConnectionType(mapscript.MS_POSTGIS, '')
        connection_template = (
            'host={host} dbname={dbname} user={user} '
            'port={port} password={password}'
        )
        layer.connection = connection_template.format(
            host=settings.DATABASES['default']['HOST'],
            dbname=settings.DATABASES['default']['NAME'],
            user=settings.DATABASES['default']['USER'],
            port=settings.DATABASES['default']['PORT'],
            password=settings.DATABASES['default']['PASSWORD']
        )

        # Select data column
        layer.data = 'geom FROM {0}'.format(self.model._meta.db_table)

        # Set class item
        if self.classitem:
            layer.classitem = self.classitem

        # Cartography settings
        if self.cartography:
            for cart in self.cartography:
                # Set categorization and name
                category = mapscript.classObj(layer)
                category.setExpression(cart.get('expression', ''))
                category.name = cart.get('name', cart.get('expression', ''))
                # Set category style
                style = mapscript.styleObj(category)
                style.color.setHex(to_hex(cart.get('color', '#777777')))
                style.outlinecolor.setHex(to_hex(cart.get('outlinecolor',
                                                          '#000000')))
                style.width = cart.get('width', 1)
                # Set symbol name now, this will be linked to the map level
                # symbolset when registering layers in map.
                if cart.has_key('symbol'):
                    style.symbolname = cart.get('symbol')
        else:
            category = mapscript.classObj(layer)
            category.name = layer.name
            style = mapscript.styleObj(category)
            style.color.setHex('#777777')
            style.outlinecolor.setHex('#000000')
            style.width = 1

        return layer
Example #5
0
 def get_classObj(self, layerObj=None, **kwargs):
     if layerObj:
         classObj = ms.classObj(layerObj)
     else:
         classObj = ms.classObj()
     if kwargs.get('expression'):
         classObj.setExpression(kwargs['expression'])
     if kwargs.get('style'):
         styleObj = self.get_styleObj(classObj=classObj, **kwargs['style'])
     return classObj
Example #6
0
    def get_vector_layer(self, field_name):
        """
        Connect this layer to a vector data model.
        """
        # Get base layer
        layer = self.get_base_layer()

        layer.type = self.layer_types[field_name]

        # Set connection to DB
        layer.setConnectionType(mapscript.MS_POSTGIS, '')
        connection_template = ('host={host} dbname={dbname} user={user} '
                               'port={port} password={password}')
        layer.connection = connection_template.format(
            host=settings.DATABASES['default']['HOST'],
            dbname=settings.DATABASES['default']['NAME'],
            user=settings.DATABASES['default']['USER'],
            port=settings.DATABASES['default']['PORT'],
            password=settings.DATABASES['default']['PASSWORD'])

        # Select data column
        layer.data = 'geom FROM {0}'.format(self.model._meta.db_table)

        # Set class item
        if self.classitem:
            layer.classitem = self.classitem

        # Cartography settings
        if self.cartography:
            for cart in self.cartography:
                # Set categorization and name
                category = mapscript.classObj(layer)
                category.setExpression(cart.get('expression', ''))
                category.name = cart.get('name', cart.get('expression', ''))
                # Set category style
                style = mapscript.styleObj(category)
                style.color.setHex(to_hex(cart.get('color', '#777777')))
                style.outlinecolor.setHex(
                    to_hex(cart.get('outlinecolor', '#000000')))
                style.width = cart.get('width', 1)
                # Set symbol name now, this will be linked to the map level
                # symbolset when registering layers in map.
                if cart.has_key('symbol'):
                    style.symbolname = cart.get('symbol')
        else:
            category = mapscript.classObj(layer)
            category.name = layer.name
            style = mapscript.styleObj(category)
            style.color.setHex('#777777')
            style.outlinecolor.setHex('#000000')
            style.width = 1

        return layer
Example #7
0
    def get_vector_layer(self, field_name):
        """
        Connect this layer to a vector data model.
        """
        # Get base layer
        layer = self.get_base_layer()

        layer.type = self.layer_types[field_name]

        # Set connection to DB
        layer.setConnectionType(mapscript.MS_POSTGIS, "")
        layer.connection = "host={host} dbname={dbname} user={user} " "port={port} password={password}".format(
            host=settings.DATABASES["default"]["HOST"],
            dbname=settings.DATABASES["default"]["NAME"],
            user=settings.DATABASES["default"]["USER"],
            port=settings.DATABASES["default"]["PORT"],
            password=settings.DATABASES["default"]["PASSWORD"],
        )

        # Select data column
        layer.data = "geom FROM {0}".format(self.model._meta.db_table)

        # Set class item
        if self.classitem:
            layer.classitem = self.classitem

        # Cartography settings
        if self.cartography:
            for cart in self.cartography:
                # Set categorization and name
                category = mapscript.classObj(layer)
                category.setExpression(cart.get("expression", ""))
                category.name = cart.get("name", cart.get("expression", ""))
                # Set category style
                style = mapscript.styleObj(category)
                style.color.setHex(to_hex(cart.get("color", "#777777")))
                style.outlinecolor.setHex(to_hex(cart.get("outlinecolor", "#000000")))
                style.width = cart.get("width", 1)
                # Set symbol name now, this will be linked to the map level
                # symbolset when registering layers in map.
                if cart.has_key("symbol"):
                    style.symbolname = cart.get("symbol")
        else:
            category = mapscript.classObj(layer)
            category.name = layer.name
            style = mapscript.styleObj(category)
            style.color.setHex("#777777")
            style.outlinecolor.setHex("#000000")
            style.width = 1

        return layer
Example #8
0
def get_vector_layer(data, name, group, crs=None):
    """
    Mapscript Layer для векторных данных.
    """
    layer = mapscript.layerObj()
    layer.type = mapscript.MS_LAYER_POLYGON
    layer.status = mapscript.MS_ON  # mapscript.MS_DEFAULT
    layer.name = name
    layer.group = group
    layer.setProjection('EPSG:4326')
    layer.metadata.set('wms_srs', 'EPSG:4326')
    layer.metadata.set('wms_title', name)
    for polygon in data:
        shape = mapscript.shapeObj_fromWKT(polygon.wkt)
        layer.addFeature(shape)
    # layer.setExtent({'minx': 3, 'miny': 3, 'maxx': 3, 'maxy': 3})
    # layer.setExtent(1, 2, 3, 4)
    # layer.setProjection('EPSG:4326')
    # layer.setProcessing("SCALE=0,255")
    # layer.setProcessing("DITHER=YES")
    # layer.setProcessing("RESAMPLE=BILINEAR")   # BILINEAR, AVERAGE, NEAREST
    # layer.setProcessing("EXTENT_PRIORITY=WORLD")
    # layer.setProcessing("LOAD_FULL_RES_IMAGE=NO")
    # layer.setProcessing("LOAD_WHOLE_IMAGE=NO")
    c = mapscript.classObj(layer)
    style = mapscript.styleObj(c)
    fill_color = mapscript.colorObj(0, 255, 0)
    out_color = mapscript.colorObj(0, 0, 255)
    style.color = fill_color
    style.outlinecolor = out_color
    style.opacity = 50
    layer.opacity = 50
    return layer
Example #9
0
 def testConstructorWithArg(self):
     lyr = mapscript.layerObj()
     lyr.name = 'foo'
     c = mapscript.classObj(lyr)
     assert c.thisown == 1
     assert c.layer.name == lyr.name
     assert c.numstyles == 0
Example #10
0
    def testDrawMapWithSecondPolygon(self):
        """draw a blue polygon and a red polygon"""
        p = self.map.getLayerByName('POLYGON')
        ip = mapscript.layerObj(self.map)
        ip.type = mapscript.MS_LAYER_POLYGON
        ip.status = mapscript.MS_DEFAULT
        c0 = mapscript.classObj(ip)

        # turn off first polygon layer's color
        p.getClass(0).getStyle(0).color.setRGB(-1, -1, -1)

        # copy this style to inline polygon layer, then change outlinecolor
        c0.insertStyle(p.getClass(0).getStyle(0))
        st0 = c0.getStyle(0)
        st0.outlinecolor.setRGB(255, 0, 0)

        # pull out the first feature from polygon layer, shift it
        # and use this as an inline feature in new layer
        p.open()
        p.template = "FAKE"  # set a template so the layer can be queried
        p.queryByIndex(self.map, -1, 0, mapscript.MS_TRUE)
        res = p.getResult(0)
        s0 = p.getShape(res)
        p.close()
        r0 = s0.bounds
        r1 = mapscript.rectObj(r0.minx - 0.1, r0.miny - 0.1, r0.maxx - 0.1,
                               r0.maxy - 0.1)
        s1 = r1.toPolygon()

        ip.addFeature(s1)
        img = self.map.draw()
        img.save('test_drawmapw2ndpolygon.png')
Example #11
0
def __agregar_simbologia_basica__(layer):
    class1 = mapscript.classObj(layer)
    class1.name = 'Default'
    style = mapscript.styleObj(class1)
    if layer.type == mapscript.MS_LAYER_POINT:
        style.symbolname = 'circle'
        style.size = 8
        style.minsize = 8
        style.maxsize = 10
        style.maxwidth = 2
        style.outlinecolor.setRGB(30, 30, 30)
        style.color.setRGB(31, 120, 180)
    elif layer.type == mapscript.MS_LAYER_POLYGON:
        style.outlinecolor.setRGB(126, 109, 83)
        style.color.setRGB(210, 182, 138)
    elif layer.type == mapscript.MS_LAYER_LINE:
        style.color.setRGB(76, 38, 0)
        style.width = 4
        style.minwidth = 4
        style.maxwidth = 6
        style2 = mapscript.styleObj(class1)
        style2.color.setRGB(255, 206, 128)
        style2.width = 2
        style2.minwidth = 2
        style2.maxwidth = 4
    elif layer.type == mapscript.MS_LAYER_RASTER:
        layer.offsite = mapscript.colorObj(0, 0, 0)
    def serializeSingleSymbolRenderer(self, renderer):
        """Serialize a QGis single symbol renderer into a MapServer class"""

        msClass = mapscript.classObj(self.msLayer)

        for sym in renderer.symbols():
            SymbolLayerSerializer(sym, msClass, self.msLayer, self.msMap)
Example #13
0
    def testDrawMapWithSecondPolygon(self):
        """draw a blue polygon and a red polygon"""
        p = self.map.getLayerByName('POLYGON')
        ip = mapscript.layerObj(self.map)
        ip.type = mapscript.MS_LAYER_POLYGON
        ip.status = mapscript.MS_DEFAULT
        c0 = mapscript.classObj(ip)

        # turn off first polygon layer's color
        p.getClass(0).getStyle(0).color.setRGB(-1, -1, -1)

        # copy this style to inline polygon layer, then change outlinecolor
        c0.insertStyle(p.getClass(0).getStyle(0))
        st0 = c0.getStyle(0)
        st0.outlinecolor.setRGB(255, 0, 0)

        # pull out the first feature from polygon layer, shift it
        # and use this as an inline feature in new layer
        p.open()
        p.template = "FAKE"  # set a template so the layer can be queried
        p.queryByIndex(self.map, -1, 0, mapscript.MS_TRUE)
        res = p.getResult(0)
        s0 = p.getShape(res)
        p.close()
        r0 = s0.bounds
        r1 = mapscript.rectObj(r0.minx-0.1, r0.miny-0.1, r0.maxx-0.1, r0.maxy-0.1)
        s1 = r1.toPolygon()

        ip.addFeature(s1)
        img = self.map.draw()
        img.save('test_drawmapw2ndpolygon.png')
Example #14
0
 def build(self):
     cl = mapscript.classObj()
     cl.name = self.name
     cl.setExpression(self.expression)
     for style in self.styleobj_set.all():
         cl.insertStyle(style.build())
     return cl
Example #15
0
 def testCloneClass(self):
     """check attributes of a cloned class"""
     c = mapscript.classObj()
     c.minscaledenom = 5.0
     clone = c.clone()
     assert clone.thisown == 1
     assert clone.minscaledenom == 5.0
Example #16
0
    def _get_unique_mapfile(self, classification):
        layerobj = self._get_layer_stub()
        attribute = classification['attribute']
        column = self._get_column(attribute)
        if column is None:
            raise ValueError("column %s not found in datasource %s" %
                             (attribute, self.name))
        values = self.get_distinct_values(attribute)
        layerobj.classitem = attribute
        theme = self._get_theme(classification, len(values))
        for value in values:
            color = theme.pop(0)
            classobj = mapscript.classObj()
            layerobj.insertClass(classobj)
            styleobj = self._get_default_style()
            styleobj.color.setRGB(color[0], color[1], color[2])
            classobj.insertStyle(styleobj)
            if column['type'] == 'numeric':
                classobj.name = '%s' % (value)
                classobj.setExpression('([%s]==%s)' % (attribute, value))
            else:
                classobj.name = '%s' % (value)
                classobj.setExpression('("[%s]"=="%s")' %
                                       (attribute.encode('utf8'), value))

        return mapserializer.layerobj_to_dict(layerobj, None)
 def testClassObj(self):
     self.initMap()
     layer = mapscript.layerObj(self.map)
     clazz = mapscript.classObj(layer)
     self.map = None
     layer = None
     assert str(clazz.p_layer).find('mapscript.layerObj') != -1
     gc.collect()
     assert clazz.layer is not None, clazz.layer
Example #18
0
 def testClassObj(self):
     self.initMap()
     layer = mapscript.layerObj(self.map)
     clazz = mapscript.classObj(layer)
     self.map = None
     layer = None
     assert str(clazz.p_layer).find('mapscript.layerObj') != -1
     gc.collect()
     assert clazz.layer is not None, clazz.layer
Example #19
0
 def testClassInsert(self):
     """classObj insert at end"""
     self.initMap()
     clazz = mapscript.classObj()
     clazz.minscaledenom = 666
     assert clazz.refcount == 1, clazz.refcount
     idx = self.map.getLayer(1).insertClass(clazz)
     assert clazz.refcount == 2, clazz.refcount
     assert self.map.getLayer(1).getClass(idx).refcount == 3, self.map.getLayer(1).getClass(idx).refcount
     assert self.map.getLayer(1).getClass(idx).minscaledenom == 666, self.map.getLayer(1).getClass(idx).minscaledenom
Example #20
0
def create_default_class():
    c = mapscript.classObj()
    c.setExpression("fooexpression")
    create_default_label(c.label)
    c.maxscaledenom = 2000
    c.minscaledenom = 100
    c.name = "fooname"
    c.setText("[footext]")
    c.title = "footitle"
    c.insertStyle(create_default_style())
    return c
def get_map_image_from_wms(wms_parameters=None, habitat_dao=None, filters=None):

	# Initialize mapscript map object from the habitat mapfile template.
	mapfile = "%s/habitat.map" % os.path.abspath(os.path.dirname(__file__))
	ms_map = mapscript.mapObj(mapfile)

	layer = mapscript.layerObj()
	layer.name = "habitat" 

	layer.setProjection('init=epsg:4326')
	layer.status = mapscript.MS_DEFAULT
	layer.setConnectionType(mapscript.MS_POSTGIS, '')
	connection_str = habitat_dao.get_mapserver_connection_string()
	layer.connection = connection_str
	layer.data = habitat_dao.get_mapserver_data_string(filters=filters)

	layer.type = mapscript.MS_LAYER_POLYGON

	# Create classes for types of substrates.

	substrate_styles= [
			{'name': 'S1', 'color': '8DD3C7'},
			{'name': 'S2', 'color': 'FFFFB3'},
			{'name': 'S3', 'color': 'BEBADA'},
			{'name': 'S4', 'color': 'FB8072'},
			{'name': 'S5', 'color': '80B1D3'},
			]

	for ss in substrate_styles:
		clz = mapscript.classObj()
		clz.name = ss['name']
		expression = "('[substrate_id]' eq '%s')" % ss['name']
		clz.setExpression(expression)
		style = mapscript.styleObj()
		rgb_color = hex_to_rgb(ss['color'])
		style.color= mapscript.colorObj(*rgb_color)
		clz.insertStyle(style)
		layer.insertClass(clz)

	ms_map.insertLayer(layer)

	# Build WMS request from parameters.
	wms_request = mapscript.OWSRequest()
	for k, v in wms_parameters:
		wms_request.setParameter(k,v)

	# Load the parameters into the map.
	ms_map.loadOWSParameters(wms_request)
	
	# Draw the map.
	ms_image = ms_map.draw()

	# Return the raw image.
	return ms_image.getBytes()
Example #22
0
 def _get_default_mapfile_excerpt(self):
     """ Given an OGR string, an OGR connection and an OGR layer, create and
     return a representation of a MapFile LAYER block. """
         
     layerobj = self._get_layer_stub()
     classobj = mapscript.classObj() 
     layerobj.insertClass(classobj)
     styleobj = self._get_default_style()
     classobj.insertStyle(styleobj)
     
     return mapserializer.layerobj_to_dict(layerobj,None)
Example #23
0
def ShapefileLayer(mapObj, imageryShp, filters, rgb):
    layerObj = mapscript.layerObj(mapObj)
    layerObj.name = "Sentinel2Shapefile"
    layerObj.status = mapscript.MS_ON
    layerObj.type = mapscript.MS_LAYER_POLYGON
    layerObj.setProjection("AUTO")
    layerObj.data = imageryShp
    layerObj.setFilter(filters)
    classObj = mapscript.classObj(layerObj)
    styleObj = mapscript.styleObj(classObj)
    styleObj.outlinecolor = mapscript.colorObj(rgb[0], rgb[1], rgb[2])
Example #24
0
    def _get_default_mapfile_excerpt(self):
        """ Given an OGR string, an OGR connection and an OGR layer, create and
        return a representation of a MapFile LAYER block. """

        layerobj = self._get_layer_stub()
        classobj = mapscript.classObj()
        layerobj.insertClass(classobj)
        styleobj = self._get_default_style()
        classobj.insertStyle(styleobj)

        return mapserializer.layerobj_to_dict(layerobj, None)
Example #25
0
def create_default_class():
    c = mapscript.classObj()
    c.setExpression("fooexpression")
    create_default_label(c.label)
    c.maxscaledenom = 2000
    c.minscaledenom = 100
    c.name = "fooname"
    c.setText("[footext]")
    c.title = "footitle"
    c.insertStyle(create_default_style())
    return c
Example #26
0
 def testLayerInsertClassAtZero(self):
     """insert class at index 0"""
     n = self.layer.numclasses
     new_class = mapscript.classObj()
     new_class.name = 'foo'
     new_index = self.layer.insertClass(new_class, 0)
     assert new_index == 0
     assert self.layer.numclasses == n + 1
     c = self.layer.getClass(new_index)
     assert c.thisown == 1
     assert c.name == new_class.name
Example #27
0
    def __init__(self,datasource,extent,layername,layerftype):
        #from mapscript import *
	import mapscript
        from time import time
        tmap = mapscript.mapObj()
	print "checkpoint 1"
        map.setSize(400,400)
        #ext = rectObj(-180,-90,180,90)
        ext = mapscript.rectObj(extent[0],extent[2],extent[1],extent[3]) # some trouble with some bad extents in my test data
        map.extent = ext
        map.units = mapscript.MS_DD # should be programmatically set
        lay = mapscript.layerObj(map)
        lay.name = "Autolayer"
        lay.units = mapscript.MS_DD
        if (layerftype == 'RASTER'):
		lay.data = datasource.GetDescription()
	else:
		lay.data = datasource.GetName()
        print lay.data
        lay.status = mapscript.MS_DEFAULT
        cls = mapscript.classObj(lay)
        sty = mapscript.styleObj()
        col = mapscript.colorObj(0,0,0)
#        symPoint = mapscript.symbolObj
        map.setSymbolSet("symbols/symbols_basic.sym")
        if (layerftype == 'POINT'): 
            lay.type = mapscript.MS_LAYER_POINT
            sty.setSymbolByName = "achteck"
            sty.width = 100
            sty.color = col
        elif (layerftype == 'LINE'): 
            lay.type = mapscript.MS_LAYER_LINE
            sty.setSymbolByName = "punkt"
            sty.width = 5
            sty.color = col
        elif (layerftype == 'POLYGON'): 
            lay.type = mapscript.MS_LAYER_POLYGON
            sty.setSymbolByName = "circle"
            sty.width = 10
            sty.outlinecolor = col
        elif (layerftype == 'RASTER'): 
            lay.type = mapscript.MS_LAYER_RASTER
            sty.setSymbolByName = "squares"
            sty.size = 10
            sty.color = col
        #sty.setSymbolByName(map,symname)
        #sty.size = symsize
        cls.insertStyle(sty)
        try:
            img = map.draw()
            img.save(str(time()) + "auto.gif")
            map.save(str(time()) + "auto.map")
        except MapServerError:
            return None
Example #28
0
 def testClassInsertAtMiddle(self):
     """classObj insert at pos. 1"""
     self.initMap()
     clazz = mapscript.classObj()
     clazz.minscaledenom = 666
     assert clazz.refcount == 1, clazz.refcount
     idx = self.map.getLayer(1).insertClass(clazz, 1)
     assert idx == 1, idx
     assert clazz.refcount == 2, clazz.refcount
     assert self.map.getLayer(1).getClass(idx).refcount == 3, self.map.getLayer(1).getClass(idx).refcount
     assert self.map.getLayer(1).getClass(idx).thisown, self.map.getLayer(1).getClass(idx).thisown
     assert self.map.getLayer(1).getClass(idx).minscaledenom == 666, self.map.getLayer(1).getClass(idx).minscaledenom
Example #29
0
 def testClassInsert(self):
     """classObj insert at end"""
     self.initMap()
     clazz = mapscript.classObj()
     clazz.minscaledenom = 666
     assert clazz.refcount == 1, clazz.refcount
     idx = self.map.getLayer(1).insertClass(clazz)
     assert clazz.refcount == 2, clazz.refcount
     assert self.map.getLayer(1).getClass(
         idx).refcount == 3, self.map.getLayer(1).getClass(idx).refcount
     assert self.map.getLayer(1).getClass(
         idx).minscaledenom == 666, self.map.getLayer(1).getClass(
             idx).minscaledenom
Example #30
0
 def default_class_style(self, col_name):
     # return a default class for styling based on the value of a specified
     # column
     styleobj = mapscript.styleObj()
     styleobj.mincolor = mapscript.colorObj(255, 255, 255)
     styleobj.maxcolor = mapscript.colorObj(0, 128, 255)
     if 'min' in self._data and 'max' in self._data:
         styleobj.minvalue = self._data['min']
         styleobj.maxvalue = self._data['max']
     styleobj.rangeitem = col_name
     clsobj = mapscript.classObj()
     clsobj.name = "-"
     clsobj.insertStyle(styleobj)
     return clsobj
Example #31
0
 def default_class_style(self, col_name):
     # return a default class for styling based on the value of a specified
     # column
     styleobj = mapscript.styleObj()
     styleobj.mincolor = mapscript.colorObj(255, 255, 255)
     styleobj.maxcolor = mapscript.colorObj(0, 128, 255)
     if 'min' in self._data and 'max' in self._data:
         styleobj.minvalue = self._data['min']
         styleobj.maxvalue = self._data['max']
     styleobj.rangeitem = col_name
     clsobj = mapscript.classObj()
     clsobj.name = "-"
     clsobj.insertStyle(styleobj)
     return clsobj
Example #32
0
	def addPlaneSymbol(self,position):
		"""Adds the plane symbol at the indicated position"""
		pt = mapscript.pointObj()
		pt.x = position[0] #lat
		pt.y = position[1] #lon
		
		# project our point into the mapObj's projection 
		#ddproj = mapscript.projectionObj('proj=latlong,ellps=WGS84')
		#http://www.mass.gov/mgis/dd-over.htm
		ddproj = mapscript.projectionObj('proj=lcc,ellps=GRS80')
		
		origproj = mapscript.projectionObj(self.map.getProjection())
		pt.project(ddproj,origproj)
		
		# create the symbol using the image 
		planeSymbol = mapscript.symbolObj('from_img') 
		planeSymbol.type = mapscript.MS_SYMBOL_PIXMAP 
		planeImg = mapscript.imageObj('images/map-plane-small.png','GD/PNG')
		#TODO: need to rotate plane to current heading
		planeSymbol.setImage(planeImg) 
		symbol_index = self.map.symbolset.appendSymbol(planeSymbol) 

		# create a shapeObj out of our location point so we can 
		# add it to the map. 
		self.routeLine = mapscript.lineObj()
		self.routeLine.add(pt)
		routeShape=mapscript.shapeObj(mapscript.MS_SHAPE_POINT)
		routeShape.add(self.routeLine) 
		routeShape.setBounds() 

		# create our inline layer that holds our location point 
		self.planeLayer = mapscript.layerObj(None)
		self.planeLayer.addFeature(routeShape) 
		self.planeLayer.setProjection(self.map.getProjection()) 
		self.planeLayer.name = "plane" 
		self.planeLayer.type = mapscript.MS_LAYER_POINT 
		self.planeLayer.connectiontype=mapscript.MS_INLINE 
		self.planeLayer.status = mapscript.MS_ON 
		self.planeLayer.transparency = mapscript.MS_GD_ALPHA 
		
		# add the image symbol we defined above to the inline layer. 
		planeClass = mapscript.classObj(None)
		planeClass.name='plane' 
		style = mapscript.styleObj(None)
		style.symbol = self.map.symbolset.index('from_img') 
		planeClass.insertStyle(style) 
		self.planeLayer.insertClass(planeClass)
		self.map.insertLayer(self.planeLayer)
		if debug: print "added plane layer, layerorder=",self.map.getLayerOrder()
Example #33
0
File: main.py Project: djskl/pgmap
def getStyle():
    style_obj = styleObj()

    style_obj.rangeitem = "pixel"

    style_obj.maxcolor = colorObj(175, 240, 233)
    style_obj.mincolor = colorObj(255, 255, 179)

    style_obj.maxvalue = 1
    style_obj.minvalue = -47

    clz_obj = classObj()
    clz_obj.setExpression("([pixel] >= -47 AND [pixel] <= 1)")
    clz_obj.insertStyle(style_obj)

    return clz_obj
Example #34
0
 def testClassInsertAtMiddle(self):
     """classObj insert at pos. 1"""
     self.initMap()
     clazz = mapscript.classObj()
     clazz.minscaledenom = 666
     assert clazz.refcount == 1, clazz.refcount
     idx = self.map.getLayer(1).insertClass(clazz, 1)
     assert idx == 1, idx
     assert clazz.refcount == 2, clazz.refcount
     assert self.map.getLayer(1).getClass(
         idx).refcount == 3, self.map.getLayer(1).getClass(idx).refcount
     assert self.map.getLayer(1).getClass(idx).thisown, self.map.getLayer(
         1).getClass(idx).thisown
     assert self.map.getLayer(1).getClass(
         idx).minscaledenom == 666, self.map.getLayer(1).getClass(
             idx).minscaledenom
Example #35
0
    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')
Example #36
0
def draw_map_wfs(name, save=0):

    # print("making map in thread %s" % (name))
    mo = mapscript.mapObj(TESTMAPFILE)

    # WFS layer
    lo = mapscript.layerObj()
    lo.name = 'cheapo_wfs'
    lo.setProjection('+init=epsg:4326')
    lo.connectiontype = mapscript.MS_WFS
    lo.connection = 'http://zcologia.com:9001/mapserver/members/features.rpy?'
    lo.metadata.set('wfs_service', 'WFS')
    lo.metadata.set('wfs_typename', 'users')
    lo.metadata.set('wfs_version', '1.0.0')
    lo.type = mapscript.MS_LAYER_POINT
    lo.status = mapscript.MS_DEFAULT
    lo.labelitem = 'zco:mid'

    so1 = mapscript.styleObj()
    so1.color.setHex('#FFFFFF')
    so1.size = 9
    so1.symbol = 1  # mo.symbolset.index('circle')

    so2 = mapscript.styleObj()
    so2.color.setHex('#333333')
    so2.size = 7
    so2.symbol = 1  # mo.symbolset.index('circle')

    co = mapscript.classObj()
    co.label.type = mapscript.MS_BITMAP
    co.label.size = mapscript.MS_SMALL
    co.label.color.setHex('#000000')
    co.label.outlinecolor.setHex('#FFFFFF')
    co.label.position = mapscript.MS_AUTO

    co.insertStyle(so1)
    co.insertStyle(so2)
    lo.insertClass(co)
    mo.insertLayer(lo)

    if not mo.web.imagepath:
        mo.web.imagepath = os.environ.get('TEMP', None) or INCOMING
    mo.debug = mapscript.MS_ON
    im = mo.draw()
    if save:
        im.save('threadtest_wfs_%s.png' % (name))
Example #37
0
    def testPointDraw(self):
        """Can create a point, add to a layer, and draw it directly"""

        map_string = """
        MAP
            EXTENT 0 0 90 90
            SIZE 500 500

            SYMBOL
            NAME "circle"
            TYPE ELLIPSE
            POINTS 1 1 END
            FILLED true
            END

            LAYER
            NAME "punkt"
            STATUS ON
            TYPE POINT
            END

        END"""

        test_map = mapscript.fromstring(map_string)
        layer = test_map.getLayerByName('punkt')
        cls = mapscript.classObj()
        style = mapscript.styleObj()
        style.outlinecolor.setHex('#00aa00ff')
        style.size = 10
        style.setSymbolByName(test_map, 'circle')

        cls.insertStyle(style)
        class_idx = layer.insertClass(cls)
        point = mapscript.pointObj(45, 45)

        img = test_map.prepareImage()
        point.draw(test_map, layer, img, class_idx, "test")

        filename = 'testDrawPoint.png'
        with open(filename, 'wb') as fh:
            img.write(fh)

        if have_image:
            pyimg = Image.open(filename)
            assert pyimg.size == (500, 500)
Example #38
0
def get_pg_layer(data,
                 name,
                 group,
                 connection,
                 query_filter=None,
                 crs=None,
                 fill_color=None,
                 out_color=None,
                 opacity=None):
    """
    Mapscript Layer для векторных данных, хранящихся в Postgres.
    """
    layer = mapscript.layerObj()
    layer.type = mapscript.MS_LAYER_POLYGON
    layer.status = mapscript.MS_ON  # mapscript.MS_DEFAULT
    layer.name = name
    layer.group = group
    layer.setProjection('EPSG:4326')
    layer.metadata.set('wms_srs', 'EPSG:4326')
    layer.metadata.set('wms_title', name)
    layer.connectiontype = mapscript.MS_POSTGIS
    layer.connection = connection
    layer.data = data  # "geom from data"
    # status = layer.setFilter(query_filter)  # "id = 123"
    # layer.setExtent({'minx': 3, 'miny': 3, 'maxx': 3, 'maxy': 3})
    # layer.setExtent(1, 2, 3, 4)
    # layer.setProjection('EPSG:4326')
    # layer.setProcessing("SCALE=0,255")
    # layer.setProcessing("DITHER=YES")
    # layer.setProcessing("RESAMPLE=BILINEAR")   # BILINEAR, AVERAGE, NEAREST
    # layer.setProcessing("EXTENT_PRIORITY=WORLD")
    # layer.setProcessing("LOAD_FULL_RES_IMAGE=NO")
    # layer.setProcessing("LOAD_WHOLE_IMAGE=NO")
    c = mapscript.classObj(layer)
    style = mapscript.styleObj(c)
    if fill_color:
        fill_color = mapscript.colorObj(*fill_color)
        style.color = fill_color
    if out_color:
        out_color = mapscript.colorObj(*out_color)
        style.outlinecolor = out_color
    if opacity:
        # style.opacity = opacity
        layer.opacity = opacity
    return layer
def get_color_class(attr=None, cmin=None, cmax=None, hsv=None):

	clz = mapscript.classObj()
	clz.name = "{} to {}".format(cmin, cmax)
	style = mapscript.styleObj()
	rgb = [int(c) for c in colorsys.hsv_to_rgb(*hsv)]
	style.color= mapscript.colorObj(*rgb)
	clz.insertStyle(style)

	criteria = []
	if cmin != None: criteria.append("[{}] >= {}".format(attr, cmin))
	if cmax != None: criteria.append("[{}] < {}".format(attr, cmax))

	if criteria:
		expression = "({})".format(' AND '.join(criteria))
		clz.setExpression(expression)

	return clz
Example #40
0
 def _get_quantile_mapfile(self,classification):
     layerobj = self._get_layer_stub()
     intervals = int(classification['intervals'])
     attribute = classification['attribute']
     bounds = self._get_classification_bounds(attribute, intervals)
     theme = self._get_theme(classification, len(bounds)+1)
     for i in range(0, len(bounds)+1):
         color = theme[i]
         classobj = mapscript.classObj() 
         layerobj.insertClass(classobj)
         if i<len(bounds):
             classobj.setExpression('([%s]<%s)'%(attribute, _nice_float(bounds[i])))
             classobj.name = '%s < %s'%(attribute, _nice_float(bounds[i]))
         else:
             classobj.name = '%s >= %s'%(attribute, _nice_float(bounds[i-1]))
         styleobj = mapscript.styleObj()
         styleobj.color.setRGB(color[0],color[1],color[2])
         classobj.insertStyle(styleobj)
     return mapserializer.layerobj_to_dict(layerobj,None)
Example #41
0
    def _add_north_arrow(self, msmap, map_height):
        north_arrow_layer = mapscript.layerObj()
        north_arrow_layer.transform = False
        north_arrow_layer.name = 'north_arrow'
        north_arrow_layer.type = mapscript.MS_LAYER_POINT
        north_arrow_layer.status = 1
        new_class = mapscript.classObj()
        new_style = mapscript.styleObj()
        new_style.setSymbolByName(msmap, 'northarrow1')

        li = msmap.insertLayer(north_arrow_layer)
        ci = msmap.getLayer(li).insertClass(new_class)
        si = msmap.getLayer(li).getClass(ci).insertStyle(new_style)
        point = mapscript.pointObj()
        
        #place north arrow at the bottom of the image:
        point.x = 30
        point.y = map_height-30
        north_arrow_layer.addFeature(point.toShape())
    def serializeCategorizedSymbolRenderer(self, renderer):
        """Serialize a QGis categorized symbol renderer into MapServer classes"""

        attr = renderer.usedAttributes()[0]
        i = 0

        for cat in renderer.categories():
            msClass = mapscript.classObj(self.msLayer)

            # XXX: type(cat.value()) differs whether the script is being run in QGis or as 
            # a standalone PyQGis application, so we convert it accordingly.
            cv = cat.value()
            cv = cv.toString() if isinstance(cv, QVariant) else unicode(cv)

            msClass.setExpression((u'("[%s]" = "%s")' % (attr, cv)).encode('utf-8'))
            SymbolLayerSerializer(renderer.symbols()[i], msClass, self.msLayer, self.msMap)
            #add number to class name
            msClass.name+='_'+str(i)
            i = i + 1
Example #43
0
    def _add_north_arrow(self, msmap, map_height):
        north_arrow_layer = mapscript.layerObj()
        north_arrow_layer.transform = False
        north_arrow_layer.name = 'north_arrow'
        north_arrow_layer.type = mapscript.MS_LAYER_POINT
        north_arrow_layer.status = 1
        new_class = mapscript.classObj()
        new_style = mapscript.styleObj()
        new_style.setSymbolByName(msmap, 'northarrow1')

        li = msmap.insertLayer(north_arrow_layer)
        ci = msmap.getLayer(li).insertClass(new_class)
        si = msmap.getLayer(li).getClass(ci).insertStyle(new_style)
        point = mapscript.pointObj()
        
        #place north arrow at the bottom of the image:
        point.x = 30
        point.y = map_height-30
        north_arrow_layer.addFeature(point.toShape())
Example #44
0
    def generate_layer(self,tipo, num):
        lay = mapscript.layerObj()
        lay.name = "lay1"
        lay.status = mapscript.MS_DEFAULT #defaul

#        lay.data = self.image.path
        lay.data = self.image
        if tipo == "tiff":
            lay.type = mapscript.MS_LAYER_RASTER
            self.bandset(lay, num)
        elif tipo == "polygon":
            st = mapscript.styleObj()
            #st.outlinecolor = mapscript.colorObj(100,100,100)
            st.color = mapscript.colorObj(255,255,255)
            cl = mapscript.classObj()
            cl.insertStyle(st)
            lay.type = mapscript.MS_LAYER_LINE
            lay.insertClass(cl)
        return lay
Example #45
0
 def _draw_extents_as_rectangle(self, msmap):
     #generate a new temporary layer and draw a polygon on it:
     new_layer = mapscript.layerObj()
     new_layer.name = 'temp'
     new_layer.type = mapscript.MS_LAYER_POLYGON
     new_layer.status = 1
     new_class = mapscript.classObj()
     
     #generate a new style object:
     new_style = mapscript.styleObj()
     c = mapscript.colorObj()
     c.red = 50 #218
     c.green = 50 #124
     c.blue = 50 #12
     new_style.outlinecolor = c
     new_style.width = 2
     li = msmap.insertLayer(new_layer)
     ci = msmap.getLayer(li).insertClass(new_class)
     si = msmap.getLayer(li).getClass(ci).insertStyle(new_style)
     box = mapscript.rectObj(self.west, self.south, self.east, self.north)
     new_layer.addFeature(box.toPolygon())
Example #46
0
 def _get_quantile_mapfile(self, classification):
     layerobj = self._get_layer_stub()
     intervals = int(classification['intervals'])
     attribute = classification['attribute']
     bounds = self._get_classification_bounds(attribute, intervals)
     theme = self._get_theme(classification, len(bounds) + 1)
     for i in range(0, len(bounds) + 1):
         color = theme[i]
         classobj = mapscript.classObj()
         layerobj.insertClass(classobj)
         if i < len(bounds):
             classobj.setExpression('([%s]<%s)' %
                                    (attribute, _nice_float(bounds[i])))
             classobj.name = '%s < %s' % (attribute, _nice_float(bounds[i]))
         else:
             classobj.name = '%s >= %s' % (attribute,
                                           _nice_float(bounds[i - 1]))
         styleobj = mapscript.styleObj()
         styleobj.color.setRGB(color[0], color[1], color[2])
         classobj.insertStyle(styleobj)
     return mapserializer.layerobj_to_dict(layerobj, None)
Example #47
0
 def _draw_extents_as_rectangle(self, msmap):
     #generate a new temporary layer and draw a polygon on it:
     new_layer = mapscript.layerObj()
     new_layer.name = 'temp'
     new_layer.type = mapscript.MS_LAYER_POLYGON
     new_layer.status = 1
     new_class = mapscript.classObj()
     
     #generate a new style object:
     new_style = mapscript.styleObj()
     c = mapscript.colorObj()
     c.red = 50 #218
     c.green = 50 #124
     c.blue = 50 #12
     new_style.outlinecolor = c
     new_style.width = 2
     li = msmap.insertLayer(new_layer)
     ci = msmap.getLayer(li).insertClass(new_class)
     si = msmap.getLayer(li).getClass(ci).insertStyle(new_style)
     box = mapscript.rectObj(self.west, self.south, self.east, self.north)
     new_layer.addFeature(box.toPolygon())
Example #48
0
    def testGetSetAttributes(self):
        c = mapscript.classObj()

        val = '/tmp/legend.png'
        c.keyimage = val
        assert c.keyimage == val

        c.debug = mapscript.MS_TRUE
        assert c.debug == mapscript.MS_TRUE

        val = 'Group1'
        c.group = val
        assert c.group == val

        val = 10000
        c.maxscaledenom = val
        assert c.maxscaledenom == val

        val = 3
        c.minfeaturesize = val
        assert c.minfeaturesize == val

        val = 1000
        c.minscaledenom = val
        assert c.minscaledenom == val

        val = 'Class1'
        c.name = val
        assert c.name == val

        c.status = mapscript.MS_OFF
        assert c.status == mapscript.MS_OFF

        val = 'template.html'
        c.template = val
        assert c.template == val

        val = 'Title1'
        c.title = val
        assert c.title == val
    def serializeGraduatedSymbolRenderer(self, renderer):
        """Serialize a QGis graduated symbol renderer into MapServer classes"""

        attr = unicode(renderer.usedAttributes()[0])
        i = 0

        for range in renderer.ranges():
            msClass = mapscript.classObj(self.msLayer)

            # We use '>=' instead of '>' when defining the first class to also include the lowest
            # value of the range in the expression.
            msClass.setExpression((u'(([%s] %s %f) And ([%s] <= %f))' % ( \
                attr, \
                '>=' if (i == 0) else '>', \
                range.lowerValue(), \
                attr, \
                range.upperValue() \
            )).encode('utf-8'))
            SymbolLayerSerializer(renderer.symbols()[i], msClass, self.msLayer, self.msMap)
            #add number to class name
            msClass.name+='_'+str(i)
            i = i + 1
Example #50
0
def SqliteLayer(mapObj, imageryShp, filters, rgb):
    layerObj = mapscript.layerObj(mapObj)
    layerObj.name = "Footprint"
    # layerObj.debug = 5
    layerObj.status = mapscript.MS_ON
    layerObj.type = mapscript.MS_LAYER_POLYGON
    #layerObj.setProjection("AUTO")
    # layerObj.setProjection("init=epsg:3857")
    layerObj.connectiontype = mapscript.MS_OGR
    layerObj.connection = imageryShp
    # layerObj.setGeomTransform("( generalize([shape],[map_cellsize]*10 ))")
    layerObj.data = 'select the_geom from sentinel2 where ' + filters

    layerObj.metadata.set('wms_title', 'Footprint')
    layerObj.metadata.set('wms_enable_request', '*')
    layerObj.metadata.set('wms_srs', "EPSG:3857")
    layerObj.metadata.set('wms_format', 'image/png')
    layerObj.metadata.set('wms_abstract', "Sentinel 2 Footprints")
    layerObj.metadata.set('wms_attribution_title', "JRC,JEODPP,ESA,COPERNICUS")

    classObj = mapscript.classObj(layerObj)
    styleObj = mapscript.styleObj(classObj)
    styleObj.outlinecolor = mapscript.colorObj(rgb[0], rgb[1], rgb[2])
Example #51
0
    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)
Example #52
0
    def warp(self):
        """Warp given URL and SRS

        Returns:
        mapscript.ImageObj
        """
        if not self.url or not self.sourceSRS:
            return
        self.map = mapscript.mapObj()
        self.map.setSize(int(self.url.getArgument("width")),int(self.url.getArgument("height")))
        (minx,miny,maxx,maxy) = map(lambda x: float(x), self.url.getArgument("bbox").split(","))
        self.map.extent = mapscript.rectObj(minx,miny,maxx,maxy)
        self.map.web.imagepath=tempfile.mkdtemp()
        self.map.setProjection(self.targetSRS.__str__())
        self.layer = mapscript.layerObj(self.map)
        self.layer.type = mapscript.MS_LAYER_RASTER
        self.layer.connection = self.url.getConnection()
        self.layer.status = mapscript.MS_DEFAULT
        self.layer.setConnectionType(mapscript.MS_WMS,None)
        self.layer.setMetaData("wms_srs",self.sourceSRS.__str__())
        self.layer.setMetaData("wms_name", self.url.getArgument("layers"))
        self.layer.setMetaData("wms_server_version",self.url.getArgument("version"))

        # WMS 1.3.0 is not supported by MapServer < 6.0 
        #  http://trac.osgeo.org/mapserver/ticket/3039
        if self.url.getArgument("version") == "1.3.0":
            self.layer.setMetaData("wms_server_version","1.1.1")
            
            if self.sourceSRS.authority == "CRS" and self.sourceSRS.code == "84":
                self.layer.setMetaData("wms_srs","EPSG:4326")
                

        self.layer.setMetaData("wms_exceptions_format",self.url.getArgument("exceptions"))
        self.layer.setMetaData("wms_formatlist",self.url.getArgument("format"))
        self.layer.setMetaData("wms_style",self.url.getArgument("style"))
        self.layer.setMetaData("wms_transparent",self.url.getArgument("transparent"))
        self.layer.setProjection(self.sourceSRS.__str__())
        self.layer.debug = 5

        if self.url.getArgument("format") == "image/png":
            self.map.outputformat.imagemode = mapscript.MS_IMAGEMODE_RGBA
        if self.url.getArgument("format") == "image/jpg":
            self.layer.setMetaData("wms_formatlist","image/jpeg")
            self.map.selectOutputFormat("image/jpeg")
        else:
            self.map.selectOutputFormat(self.url.getArgument("format"))
        self.map.outputformat.transparent= 1

        try:
            # draw the map
            #self.map.save("/tmp/pokus2.map")
            image = self.map.draw()
            if image:
                return image
        except :

            # something failed during the layer drawing. try to print the
            # error to stderr as well as generate new image with the error
            # message
            exc_type, exc_value, exc_traceback = sys.exc_info()
            traceback.print_exc(file=sys.stderr)
            traceback.print_tb(exc_traceback, limit=1, file=sys.stderr)

            self.map.removeLayer(0)
            self.map.setFontSet(os.path.join(os.path.abspath(os.path.dirname(__file__)),"fonts.txt"))
            self.map.outputformat.transparent= 0

            self.layer = mapscript.layerObj(self.map)
            self.layer.type = mapscript.MS_LAYER_ANNOTATION
            #self.layer.transform = mapscript.MS_OFF

            line = mapscript.lineObj()
            line.add(mapscript.pointObj(minx+(maxx-minx)/2.,miny+(maxy-miny)/2.))
            feature = mapscript.shapeObj()
            feature.add(line)
            self.layer.addFeature(feature)
            self.layer.labelcache = mapscript.MS_TRUE
            

            classobj = mapscript.classObj(self.layer)
            text = ""
            
            ## try to guess, where the problem is
            for i in textwrap.wrap(str(exc_value),70):
                text += i+"\n"
            classobj.setText(text)

            classobj.label.font = "sans"
            classobj.label.type = mapscript.MS_TRUETYPE
            classobj.label.antialias = mapscript.MS_FALSE
            classobj.label.size = 12
            classobj.label.position = mapscript.MS_CC
            #classobj.label.partials = mapscript.MS_FALSE
            classobj.label.force = mapscript.MS_TRUE


            self.layer.status = mapscript.MS_ON
            #self.map.save("/tmp/pokus3.map")
            image =  self.map.draw()
            return image
Example #53
0
                "name": zoo._("Drawn line")
                }
            }
        filename=conf["main"]["tmpPath"]+"/result_"+conf["senv"]["MMID"]+".json"
        fileo=open(filename,"w")
        fileo.write(json.dumps(geojson))
        fileo.close()
        layer.connection=None
        #layer.setConnectionType(mapscript.MS_OGR,filename)
        #layer.data="OGRGeoJSON"
        layer.data=None
        layer.tileitem=None
        layer.units=mapscript.MS_PIXELS
        layer.sizeunits=mapscript.MS_PIXELS
        layer.toleranceunits=mapscript.MS_PIXELS
        tmpClass=mapscript.classObj(layer)
        tmpClass.name=zoo._("Drawn line")
        tmpStyle=mapscript.styleObj(tmpClass)
        tmpStyle.updateFromString('STYLE COLOR 255 202 75 WIDTH 2 END')
        layer.setProjection("+init=epsg:4326")
        layer.status=mapscript.MS_ON
        layer.updateFromString("LAYER CONNECTIONTYPE OGR CONNECTION \""+filename+"\" END")

    # Fix extent based on zoom Level
    if not(inputs.has_key("zoom")):
        import math
        n0=math.log((((20037508.34*2)*csize[0])/(256*(float(ext[2])-float(ext[0])))),2)
        m0=math.log(((20037508.34*csize[1])/(256*(float(ext[3])-float(ext[1])))),2)
        print >> sys.stderr,"+++++++++++++++++++++++++++++++++++++"
        if n0 > m0:
            zl=n0