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|
"""
@package datacatalog.dialogs
@brief Dialogs used in data catalog
Classes:
- dialogs::CatalogReprojectionDialog
(C) 2017 by the GRASS Development Team
This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.
@author Anna Petrasova <kratochanna gmail.com>
"""
import wx
from gui_core.widgets import FloatValidator, IntegerValidator
from core.giface import Notification
from core.gcmd import RunCommand
from gui_core.wrap import Button, StaticText, TextCtrl
from grass.script import parse_key_val, region_env
class CatalogReprojectionDialog(wx.Dialog):
def __init__(
self,
parent,
giface,
inputGisdbase,
inputLocation,
inputMapset,
inputLayer,
inputEnv,
outputGisdbase,
outputLocation,
outputMapset,
outputLayer,
etype,
outputEnv,
callback,
id=wx.ID_ANY,
title=_("Reprojection"),
style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER,
):
self.parent = parent
self._giface = giface
wx.Dialog.__init__(
self, parent, id, title, style=style, name="ReprojectionDialog"
)
self.panel = wx.Panel(parent=self)
self.iGisdbase = inputGisdbase
self.iLocation = inputLocation
self.iMapset = inputMapset
self.iLayer = inputLayer
self.iEnv = inputEnv
self.oGisdbase = outputGisdbase
self.oLocation = outputLocation
self.oMapset = outputMapset
self.oLayer = outputLayer
self.etype = etype
self.oEnv = outputEnv
self.callback = callback
self._widgets()
self._doLayout()
if self.etype == "raster":
self._estimateResampling()
self._estimateResolution()
def _widgets(self):
if self.etype == "raster":
self.resolution = TextCtrl(self.panel, validator=FloatValidator())
self.resampling = wx.Choice(
self.panel,
size=(200, -1),
choices=[
"nearest",
"bilinear",
"bicubic",
"lanczos",
"bilinear_f",
"bicubic_f",
"lanczos_f",
],
)
else:
self.vsplit = TextCtrl(self.panel, validator=IntegerValidator())
self.vsplit.SetValue("10000")
#
# buttons
#
self.btn_close = Button(parent=self.panel, id=wx.ID_CLOSE)
self.SetEscapeId(self.btn_close.GetId())
# run
self.btn_run = Button(parent=self.panel, id=wx.ID_OK, label=_("Reproject"))
if self.etype == "raster":
self.btn_run.SetToolTip(_("Reproject raster"))
elif self.etype == "vector":
self.btn_run.SetToolTip(_("Reproject vector"))
self.btn_run.SetDefault()
self.btn_run.Bind(wx.EVT_BUTTON, self.OnReproject)
def _doLayout(self):
"""Do layout"""
dialogSizer = wx.BoxSizer(wx.VERTICAL)
optionsSizer = wx.GridBagSizer(5, 5)
label = _(
"Map layer <{ml}> needs to be reprojected.\n"
"Please review and modify reprojection parameters:"
).format(ml=self.iLayer)
dialogSizer.Add(
StaticText(self.panel, label=label), flag=wx.ALL | wx.EXPAND, border=10
)
if self.etype == "raster":
optionsSizer.Add(
StaticText(self.panel, label=_("Estimated resolution:")),
pos=(0, 0),
flag=wx.EXPAND | wx.ALIGN_CENTER_VERTICAL,
)
optionsSizer.Add(self.resolution, pos=(0, 1), flag=wx.EXPAND)
optionsSizer.Add(
StaticText(self.panel, label=_("Resampling method:")),
pos=(1, 0),
flag=wx.EXPAND | wx.ALIGN_CENTER_VERTICAL,
)
optionsSizer.Add(self.resampling, pos=(1, 1), flag=wx.EXPAND)
else:
optionsSizer.Add(
StaticText(self.panel, label=_("Maximum segment length:")),
pos=(1, 0),
flag=wx.EXPAND | wx.ALIGN_CENTER_VERTICAL,
)
optionsSizer.Add(self.vsplit, pos=(1, 1), flag=wx.EXPAND)
optionsSizer.AddGrowableCol(1)
dialogSizer.Add(optionsSizer, proportion=1, flag=wx.ALL | wx.EXPAND, border=10)
helptext = StaticText(
self.panel,
label="For more reprojection options,"
" please see {module}".format(
module="r.proj" if self.etype == "raster" else "v.proj"
),
)
dialogSizer.Add(helptext, proportion=0, flag=wx.ALL | wx.EXPAND, border=10)
#
# buttons
#
btnStdSizer = wx.StdDialogButtonSizer()
btnStdSizer.AddButton(self.btn_run)
btnStdSizer.AddButton(self.btn_close)
btnStdSizer.Realize()
dialogSizer.Add(btnStdSizer, proportion=0, flag=wx.ALL | wx.EXPAND, border=5)
self.panel.SetSizer(dialogSizer)
dialogSizer.Fit(self.panel)
self.Layout()
self.SetSize(self.GetBestSize())
def _estimateResolution(self):
output = RunCommand(
"r.proj",
flags="g",
quiet=False,
read=True,
input=self.iLayer,
dbase=self.iGisdbase,
project=self.iLocation,
mapset=self.iMapset,
env=self.oEnv,
).strip()
params = parse_key_val(output, vsep=" ")
output = RunCommand(
"g.region",
flags="ug",
quiet=False,
read=True,
env=self.oEnv,
parse=lambda x: parse_key_val(x, val_type=float),
**params,
)
cell_ns = (output["n"] - output["s"]) / output["rows"]
cell_ew = (output["e"] - output["w"]) / output["cols"]
estimate = (cell_ew + cell_ns) / 2.0
self.resolution.SetValue(str(estimate))
self.params = params
def _estimateResampling(self):
output = RunCommand(
"r.info",
flags="g",
quiet=False,
read=True,
map=self.iLayer,
env=self.iEnv,
parse=parse_key_val,
)
if output["datatype"] == "CELL":
self.resampling.SetStringSelection("nearest")
else:
self.resampling.SetStringSelection("bilinear")
def OnReproject(self, event):
cmd = []
if self.etype == "raster":
cmd.append("r.proj")
cmd.append("dbase=" + self.iGisdbase)
cmd.append("project=" + self.iLocation)
cmd.append("mapset=" + self.iMapset)
cmd.append("input=" + self.iLayer)
cmd.append("output=" + self.oLayer)
cmd.append("method=" + self.resampling.GetStringSelection())
self.oEnv["GRASS_REGION"] = region_env(
n=self.params["n"],
s=self.params["s"],
e=self.params["e"],
w=self.params["w"],
flags="a",
res=float(self.resolution.GetValue()),
env=self.oEnv,
)
else:
cmd.append("v.proj")
cmd.append("dbase=" + self.iGisdbase)
cmd.append("project=" + self.iLocation)
cmd.append("mapset=" + self.iMapset)
cmd.append("input=" + self.iLayer)
cmd.append("output=" + self.oLayer)
cmd.append("smax=" + self.vsplit.GetValue())
self._giface.RunCmd(
cmd,
env=self.oEnv,
compReg=False,
addLayer=False,
onDone=self._onDone,
userData=None,
notification=Notification.MAKE_VISIBLE,
)
event.Skip()
def _onDone(self, event):
self.callback()
|
