def setUp(self):
MapTestCase.setUp(self)
with open(HOME_IMAGE, 'rb') as fh:
s = BytesIO(fh.read())
symb_img = mapscript.imageObj(s)
self.h_symbol = mapscript.symbolObj('house')
self.h_symbol.type = mapscript.MS_SYMBOL_PIXMAP
self.h_symbol.setImage(symb_img)
with open(XMARKS_IMAGE, 'rb') as fh:
s = BytesIO(fh.read())
symb_img = mapscript.imageObj(s)
self.x_symbol = mapscript.symbolObj('xmarks')
self.x_symbol.type = mapscript.MS_SYMBOL_PIXMAP
self.x_symbol.setImage(symb_img)
def xtestConstructorFilenameDriver(self):
"""imageObj with a filename and a driver works"""
imgobj = mapscript.imageObj(test_image)
assert imgobj.thisown == 1
assert imgobj.height == 200
assert imgobj.width == 200
imgobj.save('testConstructorFilenameDriver.png')
def xtestConstructorFilenameDriver(self):
"""imageObj with a filename and a driver works"""
imgobj = mapscript.imageObj(test_image)
assert imgobj.thisown == 1
assert imgobj.height == 200
assert imgobj.width == 200
imgobj.save('testConstructorFilenameDriver.png')
def xtestConstructorStream(self):
"""imageObj with a file stream works"""
f = open(test_image, 'rb')
imgobj = mapscript.imageObj(f)
f.close()
assert imgobj.thisown == 1
assert imgobj.height == 200
assert imgobj.width == 200
def xtestConstructorUrlStream(self):
"""imageObj with a URL stream works"""
url = urllib.urlopen('http://mapserver.org/_static/banner.png')
imgobj = mapscript.imageObj(url, 'AGG/JPEG')
assert imgobj.thisown == 1
assert imgobj.height == 68
assert imgobj.width == 439
imgobj.save('testConstructorUrlStream.jpg')
def xtestConstructorStream(self):
"""imageObj with a file stream works"""
f = open(test_image, 'rb')
imgobj = mapscript.imageObj(f)
f.close()
assert imgobj.thisown == 1
assert imgobj.height == 200
assert imgobj.width == 200
def xtestConstructorUrlStream(self):
"""imageObj with a URL stream works"""
url = urllib.urlopen('http://mapserver.org/_static/banner.png')
imgobj = mapscript.imageObj(url, 'AGG/JPEG')
assert imgobj.thisown == 1
assert imgobj.height == 68
assert imgobj.width == 439
imgobj.save('testConstructorUrlStream.jpg')
def testConstructorWithFormat(self):
"""imageObj with an optional driver works"""
driver = 'AGG/PNG'
format = mapscript.outputFormatObj(driver)
imgobj = mapscript.imageObj(10, 10, format)
assert imgobj.thisown == 1
assert imgobj.format.driver == driver
assert imgobj.height == 10
assert imgobj.width == 10
def xtestConstructorBytesIO(self):
"""imageObj with a BytesIO works"""
with open(test_image, 'rb') as f:
data = f.read()
s = BytesIO(data)
imgobj = mapscript.imageObj(s)
assert imgobj.thisown == 1
assert imgobj.height == 200
assert imgobj.width == 200
def testConstructorWithFormat(self):
"""imageObj with an optional driver works"""
driver = 'AGG/PNG'
format = mapscript.outputFormatObj(driver)
imgobj = mapscript.imageObj(10, 10, format)
assert imgobj.thisown == 1
assert imgobj.format.driver == driver
assert imgobj.height == 10
assert imgobj.width == 10
def xtestConstructorBytesIO(self):
"""imageObj with a BytesIO works"""
with open(test_image, 'rb') as f:
data = f.read()
s = BytesIO(data)
imgobj = mapscript.imageObj(s)
assert imgobj.thisown == 1
assert imgobj.height == 200
assert imgobj.width == 200
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()
def testConstructor(self):
"""imageObj constructor works"""
imgobj = mapscript.imageObj(10, 10)
assert imgobj.thisown == 1
assert imgobj.height == 10
assert imgobj.width == 10
# %%
fields = []
for idx in range(0, qry_layer.numitems):
fields.append(qry_layer.getItem(idx))
print(fields)
props = zip(fields, values) # join fields to values
print(props)
# %% [markdown]
# We can also create a map showing the query results:
# *Note the imageObj is broken for Python MapScript 7.0, but is fixed in 7.2*
# %%
# create a new 400 by 400 empty image
query_image = mapscript.imageObj(400, 400)
# draw the query into the image and save it to file
qry_layer.drawQuery(qry_layer.map, query_image)
output_file = r"layer_query.png"
query_image.save(output_file)
Image(filename=output_file)
# %% [markdown]
# If we want to zoom in on the results we can set the map extent to a buffered area
# around the results:
# %%
bbox = result_shp.bounds
print(bbox.minx, bbox.miny, bbox.maxx, bbox.maxy)
buffer = 2000
def testConstructor(self):
"""imageObj constructor works"""
imgobj = mapscript.imageObj(10, 10)
assert imgobj.thisown == 1
assert imgobj.height == 10
assert imgobj.width == 10
