def get_by_envelope(self, bbox):
'''bbox es un PKEnvelope o una tupla (xmin, ymin, xmax, ymax) -> lista de PKFeature
cuyos envelopes intersectan con bbox'''
kenvelope = None
if type(bbox) == type(()):
kenvelope = Envelope(bbox[0], bbox[2], bbox[1],
bbox[3]) # Envelope(xmin, xmax, ymin, ymax)
else:
kenvelope = bbox.kenvelope
kfeatures = self.klayer.getUltimateFeatureCollectionWrapper().query(
kenvelope)
pkfeatures = [
PKFeature(self.klayer, kfeature) for kfeature in kfeatures
]
return pkfeatures
def alignSelected():
global _leftAlign, _rightAlign, _topAlign, _bottomAlign, _verticalAlign, _horizontalAlign, _layerEditable, _warnMsg
#get the expanded envelope of all selected features
layers = getLayersWithSelectedItems()
if layers.size() == 0:
warnUser("Nothing Selected")
return
envelope = Envelope()
for layer in layers:
selectedFeatures = featuresOnLayer(layer)
for feature in selectedFeatures:
envelope.expandToInclude(
feature.getGeometry().getEnvelopeInternal())
_leftAlign = envelope.getMinX()
_rightAlign = envelope.getMaxX()
_topAlign = envelope.getMaxY()
_bottomAlign = envelope.getMinY()
_verticalAlign = envelope.centre().x
_horizontalAlign = envelope.centre().y
name = "Align Features "
if _typeAlignment == left:
name = name + "Left"
elif _typeAlignment == top:
name = name + "Top"
elif _typeAlignment == right:
name = name + "Right"
elif _typeAlignment == bottom:
name = name + "Bottom"
elif _typeAlignment == vertical:
name = name + "Vertical"
else: #_typeAlignment == horizontal:
name = name + "Horizontal"
alignGeo = AlignGeometry(name)
# loop through each layer and align selected geometries
_warnMsg = ""
for layer in layers:
_layerEditable = layer.isEditable()
alignGeo.addTransactionOnSelection(layer)
if len(_warnMsg) > 0:
warnUser(_warnMsg)
alignGeo.commitTransactions()
repaint()
def __init__(self, kenvelope=None):
'''kenvelope es un envelope de JTS'''
if kenvelope:
self.kenvelope = kenvelope
else:
self.kenvelope = Envelope()
def setEnvelope(self, env):
from com.vividsolutions.jts.geom import Envelope
bounds = env.bounds
jenv = Envelope(bounds[0], bounds[2], bounds[1], bounds[3])
self.jobj.setEnvelope(jenv)
def distributeSelected():
global _xDisp, _yDisp
warnMsg = ""
layers = getLayersWithSelectedItems()
if layers.size() == 0:
warnUser("Nothing Selected")
return
#get the expanded envelope of all selected features
#also get the sum of all the individual envelopes
totalEnvelope = Envelope()
usedWidth = 0
usedHeight = 0
featureList = []
for layer in layers:
selectedFeatures = featuresOnLayer(layer)
for feature in selectedFeatures:
indivEnv = feature.getGeometry().getEnvelopeInternal()
usedWidth = usedWidth + indivEnv.getWidth()
usedHeight = usedHeight + indivEnv.getHeight()
totalEnvelope.expandToInclude(indivEnv)
featureTuple = (feature, indivEnv, layer)
featureList.append(featureTuple)
if len(featureList) < 3:
return
name = "Distribute Features "
if _typeDistribution == vertical:
name = name + "Vertical"
else: #_typeDistribution == horizontal:
name = name + "Horizontal"
distributeGeo = ModifyGeometry(name)
cf = CoordFilter()
if _typeDistribution == vertical:
verticalSpacing = (totalEnvelope.getHeight() -
usedHeight) / (len(featureList) - 1)
newPos = totalEnvelope.getMinY()
while len(featureList) > 0:
#find the bottom most feature
index = 0
minPos = totalEnvelope.getMaxY()
for featureTuple in featureList:
pos = featureTuple[1].getMinY()
if pos < minPos:
currIndex = index
minPos = pos
index = index + 1
currTuple = featureList[currIndex]
feature = currTuple[0]
geo = feature.getGeometry().clone()
_xDisp = 0
_yDisp = newPos - currTuple[1].getMinY()
if (not currTuple[2].isEditable()) and (_yDisp <> 0.0):
warnMsg = "Noneditable layer selected"
else:
geo.apply(cf)
distributeGeo.addChangeGeometryTransaction(
currTuple[2], currTuple[0], geo)
newPos = newPos + currTuple[1].getHeight() + verticalSpacing
del featureList[currIndex]
else: #_typeDistribution == horizontal:
horizontalSpacing = (totalEnvelope.getWidth() -
usedWidth) / (len(featureList) - 1)
newPos = totalEnvelope.getMinX()
while len(featureList) > 0:
#find the left most feature
index = 0
minPos = totalEnvelope.getMaxX()
for featureTuple in featureList:
pos = featureTuple[1].getMinX()
if pos < minPos:
currIndex = index
minPos = pos
index = index + 1
currTuple = featureList[currIndex]
feature = currTuple[0]
geo = feature.getGeometry().clone()
_xDisp = newPos - currTuple[1].getMinX()
_yDisp = 0
if (not currTuple[2].isEditable()) and (_xDisp <> 0.0):
warnMsg = "Noneditable layer selected"
else:
geo.apply(cf)
distributeGeo.addChangeGeometryTransaction(
currTuple[2], currTuple[0], geo)
newPos = newPos + currTuple[1].getWidth() + horizontalSpacing
del featureList[currIndex]
distributeGeo.commitTransactions()
if len(warnMsg) > 0:
warnUser(warnMsg)
repaint()
