-
Notifications
You must be signed in to change notification settings - Fork 1
/
eq_distant.py
339 lines (295 loc) · 14.1 KB
/
eq_distant.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
# -*- coding: utf-8 -*-
"""
/***************************************************************************
EqDistant
A QGIS plugin
This plugin creates equidistant line
-------------------
begin : 2014-12-08
git sha : $Format:%H$
copyright : (C) 2014 by Ivan Busthomi
email : ivanbusthomi@gmail.com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
"""
from PyQt4.QtCore import QSettings, QTranslator, qVersion, QCoreApplication
from PyQt4.QtGui import QAction, QIcon, QMessageBox
from qgis.core import *
from qgis.gui import QgsMessageBar
# Initialize Qt resources from file resources.py
import resources_rc
# Import the code for the dialog
from eq_distant_dialog import EqDistantDialog
import os.path
# import library
from library import Library
class EqDistant:
"""QGIS Plugin Implementation."""
def __init__(self, iface):
"""Constructor.
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
"""
# Save reference to the QGIS interface
# Create the dialog (after translation) and keep reference
self.iface = iface
self.dlg = EqDistantDialog(self.iface)
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'EqDistant_{}.qm'.format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&EqDistant Plugin')
# TODO: We are going to let the user set this up in a future iteration
self.toolbar = self.iface.addToolBar(u'EqDistant')
self.toolbar.setObjectName(u'EqDistant')
# noinspection PyMethodMayBeStatic
def tr(self, message):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate('EqDistant', message)
def add_action(
self,
icon_path,
text,
callback,
enabled_flag=True,
add_to_menu=True,
add_to_toolbar=True,
status_tip=None,
whats_this=None,
parent=None):
"""Add a toolbar icon to the InaSAFE toolbar.
:param icon_path: Path to the icon for this action. Can be a resource
path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
:type icon_path: str
:param text: Text that should be shown in menu items for this action.
:type text: str
:param callback: Function to be called when the action is triggered.
:type callback: function
:param enabled_flag: A flag indicating if the action should be enabled
by default. Defaults to True.
:type enabled_flag: bool
:param add_to_menu: Flag indicating whether the action should also
be added to the menu. Defaults to True.
:type add_to_menu: bool
:param add_to_toolbar: Flag indicating whether the action should also
be added to the toolbar. Defaults to True.
:type add_to_toolbar: bool
:param status_tip: Optional text to show in a popup when mouse pointer
hovers over the action.
:type status_tip: str
:param parent: Parent widget for the new action. Defaults None.
:type parent: QWidget
:param whats_this: Optional text to show in the status bar when the
mouse pointer hovers over the action.
:returns: The action that was created. Note that the action is also
added to self.actions list.
:rtype: QAction
"""
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
action.triggered.connect(callback)
action.setEnabled(enabled_flag)
if status_tip is not None:
action.setStatusTip(status_tip)
if whats_this is not None:
action.setWhatsThis(whats_this)
if add_to_toolbar:
self.toolbar.addAction(action)
if add_to_menu:
self.iface.addPluginToMenu(
self.menu,
action)
self.actions.append(action)
return action
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
icon_path = ':/plugins/EqDistant/icon.png'
self.add_action(
icon_path,
text=self.tr(u'EqDistant Line Plugin'),
callback=self.run,
parent=self.iface.mainWindow())
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginMenu(
self.tr(u'&EqDistant Plugin'),
action)
self.iface.removeToolBarIcon(action)
# --- fungsi dialog tambahan
def cek_proses(self):
if self.dlg.lineEdit_sa.text() and self.dlg.lineEdit_ea.text() and self.dlg.lineEdit_sb.text() and self.dlg.lineEdit_eb.text() != "":
self.dlg.opp_btnRun.setEnabled(True)
else:
self.dlg.opp_btnRun.setEnabled(False)
if self.dlg.adj_lineEditA.text() and self.dlg.adj_lineEditB.text() and self.dlg.adj_claim_dist.text() != "":
self.dlg.adj_btnRun.setEnabled(True)
else:
self.dlg.adj_btnRun.setEnabled(False)
def cek_layer_input(self):
# pendefinisian layer input
self.layer_a = self.dlg.layerInputA.itemData(self.dlg.layerInputA.currentIndex())
self.layer_b = self.dlg.layerInputB.itemData(self.dlg.layerInputB.currentIndex())
self.lib = Library(self.layer_a, self.layer_b, 10)
if self.layer_a == self.layer_b:
self.dlg.opp_btnRun.setEnabled(False)
self.dlg.adj_btnRun.setEnabled(False)
self.dlg.tabMenu.setEnabled(False)
self.dlg.labelTitikA.setText("Layer A and Layer B must not same")
self.dlg.labelTitikB.setText("Layer A and Layer B must not same")
else:
self.dlg.opp_btnRun.setEnabled(True)
self.dlg.adj_btnRun.setEnabled(True)
self.dlg.tabMenu.setEnabled(True)
self.cek_terpilih_a()
self.cek_terpilih_b()
if len(self.layer_a.selectedFeatures()) != 0:
self.dlg.checkBox_pilihA.setEnabled(True)
else:
self.dlg.checkBox_pilihA.setEnabled(False)
if len(self.layer_b.selectedFeatures()) != 0:
self.dlg.checkBox_pilihB.setEnabled(True)
else:
self.dlg.checkBox_pilihB.setEnabled(False)
self.dlg.checkBox_pilihA.stateChanged.connect(self.cek_terpilih_a)
self.dlg.checkBox_pilihB.stateChanged.connect(self.cek_terpilih_b)
def cek_terpilih_a(self):
if self.dlg.checkBox_pilihA.isChecked():
self.list_feat_garis_a = [feat for feat in self.layer_a.selectedFeatures()]
else:
self.list_feat_garis_a = [feat for feat in self.layer_a.getFeatures()]
self.update_poi_info_a()
def update_poi_info_a(self):
self.layer_ttk_a = self.lib.konversi_garis_ke_titik(self.list_feat_garis_a, "A")
self.list_feat_ttk_a = [feat for feat in self.layer_ttk_a.getFeatures()]
jml_ttk_a = len(self.list_feat_ttk_a)
self.dlg.labelTitikA.setText(str(jml_ttk_a) + " points")
def cek_terpilih_b(self):
if self.dlg.checkBox_pilihB.isChecked():
self.list_feat_garis_b = [feat for feat in self.layer_b.selectedFeatures()]
else:
self.list_feat_garis_b = [feat for feat in self.layer_b.getFeatures()]
self.update_poi_info_b()
def update_poi_info_b(self):
self.layer_ttk_b = self.lib.konversi_garis_ke_titik(self.list_feat_garis_b, "B")
self.list_feat_ttk_b = [feat for feat in self.layer_ttk_b.getFeatures()]
jml_ttk_b = len(self.list_feat_ttk_b)
self.dlg.labelTitikB.setText(str(jml_ttk_b) + " points")
# --- eksekusi algoritma
def hdp_deploy(self):
list_geom_a = [feat.geometry() for feat in self.list_feat_garis_a]
list_geom_b = [feat.geometry() for feat in self.list_feat_garis_b]
list_ft = self.list_feat_ttk_a + self.list_feat_ttk_b
# pendefinisian titik awal
t_awal_a = self.lib.titik_pada_garis(self.dlg.start_a, list_geom_a)
t_akhr_a = self.lib.titik_pada_garis(self.dlg.end_a, list_geom_a)
t_awal_b = self.lib.titik_pada_garis(self.dlg.start_b, list_geom_b)
t_akhr_b = self.lib.titik_pada_garis(self.dlg.end_b, list_geom_b)
# iterasi
list_g_eq, list_g_cc, list_g_grs_k = self.lib.proses_hdp(t_awal_a,
t_awal_b,
t_akhr_a,
t_akhr_b,
list_ft)
self.lib.konversi_titik_ke_garis(list_g_cc)
if self.dlg.checkBox_cLine.isChecked():
self.lib.buat_layer_garis_k(list_g_grs_k)
if self.dlg.checkBox_titikEq.isChecked():
self.lib.buat_layer_titik(list_g_cc)
def sblh_deploy(self):
list_geom_a = [feat.geometry() for feat in self.list_feat_garis_a]
list_geom_b = [feat.geometry() for feat in self.list_feat_garis_b]
list_feat = self.list_feat_ttk_a + self.list_feat_ttk_b
t_awal_a = self.lib.titik_pada_garis(self.dlg.adj_start_a, list_geom_a)
t_awal_b = self.lib.titik_pada_garis(self.dlg.adj_start_b, list_geom_b)
list_t_akhir = []
for a in list_geom_a:
for b in list_geom_b:
if a.intersects(b):
t_akhir = a.intersection(b)
list_t_akhir.append(t_akhir)
else:
pass
if len(list_t_akhir) == 0:
raise ValueError("No end point detected")
elif len(list_t_akhir) > 1:
raise ValueError("More than one end point detected")
else:
g_akhir = list_t_akhir[0]
ttk_akhir = g_akhir.asPoint()
jarak_klaim = int(self.dlg.adj_claim_dist.text())*1852
self.adj_lib = Library(self.layer_a, self.layer_b, 10, jarak_klaim)
list_g_eq, list_g_cc, list_g_gk = self.adj_lib.proses_sb(t_awal_a,
t_awal_b,
ttk_akhir,
list_feat)
self.adj_lib.konversi_titik_ke_garis(list_g_cc)
if self.dlg.checkBox_cLine.isChecked():
self.lib.buat_layer_garis_k(list_g_gk)
if self.dlg.checkBox_titikEq.isChecked():
self.lib.buat_layer_titik(list_g_cc)
def run(self):
# Kosongkan input pada combo box
self.dlg.layerInputA.clear()
self.dlg.layerInputB.clear()
# baca informasi layer yang termuat pada TOC QGIS
toc_layers = QgsMapLayerRegistry.instance().mapLayers().values()
layer_polyline = []
for lay in toc_layers:
if lay.type() == QgsMapLayer.VectorLayer and lay.geometryType() == 1:
layer_polyline.append(lay)
# cek nilai input
self.dlg.lineEdit_sa.textChanged.connect(self.cek_proses)
self.dlg.lineEdit_ea.textChanged.connect(self.cek_proses)
self.dlg.lineEdit_sb.textChanged.connect(self.cek_proses)
self.dlg.lineEdit_eb.textChanged.connect(self.cek_proses)
# -
self.dlg.adj_lineEditA.textChanged.connect(self.cek_proses)
self.dlg.adj_lineEditB.textChanged.connect(self.cek_proses)
self.dlg.adj_claim_dist.textChanged.connect(self.cek_proses)
# connect function
self.dlg.opp_btnRun.pressed.connect(self.hdp_deploy)
self.dlg.adj_btnRun.pressed.connect(self.sblh_deploy)
# tampilkan dialog jika dua layer polyline telah termuat dalam TOC
if len(layer_polyline) < 2:
self.iface.messageBar().pushMessage('Oops!!',
'Please add at least two line layers',
level=QgsMessageBar.CRITICAL,
duration=2)
else:
# tampilkan dialog
self.dlg.show()
# tambahkan line layer pada TOC
for layer in layer_polyline:
self.dlg.layerInputA.addItem(layer.name(), layer)
self.dlg.layerInputB.addItem(layer.name(), layer)
self.cek_layer_input()
self.dlg.layerInputA.currentIndexChanged.connect(self.cek_layer_input)
self.dlg.layerInputB.currentIndexChanged.connect(self.cek_layer_input)