-
-
Notifications
You must be signed in to change notification settings - Fork 3k
/
testqgsmeasuretool.cpp
250 lines (207 loc) · 8.97 KB
/
testqgsmeasuretool.cpp
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
/***************************************************************************
testqgsmeasuretool.cpp
----------------------
Date : 2016-02-14
Copyright : (C) 2016 by Nyall Dawson
Email : nyall dot dawson at gmail dot 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. *
* *
***************************************************************************/
#include "qgstest.h"
#include "qgisapp.h"
#include "qgsapplication.h"
#include "qgsvectorlayer.h"
#include "qgsfeature.h"
#include "qgsgeometry.h"
#include "qgsvectordataprovider.h"
#include "qgsmeasuretool.h"
#include "qgsmeasuredialog.h"
#include "qgsproject.h"
#include "qgsmapcanvas.h"
#include "qgsunittypes.h"
/** \ingroup UnitTests
* This is a unit test for the measure tool
*/
class TestQgsMeasureTool : public QObject
{
Q_OBJECT
public:
TestQgsMeasureTool();
private slots:
void initTestCase();// will be called before the first testfunction is executed.
void cleanupTestCase();// will be called after the last testfunction was executed.
void init() {} // will be called before each testfunction is executed.
void cleanup() {} // will be called after every testfunction.
void testLengthCalculation();
void testLengthCalculationNoCrs();
void testAreaCalculation();
void degreeDecimalPlaces();
private:
QgisApp *mQgisApp = nullptr;
QgsMapCanvas *mCanvas = nullptr;
};
TestQgsMeasureTool::TestQgsMeasureTool()
: mQgisApp( nullptr )
, mCanvas( nullptr )
{
}
//runs before all tests
void TestQgsMeasureTool::initTestCase()
{
qDebug() << "TestQgisAppClipboard::initTestCase()";
// init QGIS's paths - true means that all path will be inited from prefix
QgsApplication::init();
QgsApplication::initQgis();
// Set up the QgsSettings environment
QCoreApplication::setOrganizationName( QStringLiteral( "QGIS" ) );
QCoreApplication::setOrganizationDomain( QStringLiteral( "qgis.org" ) );
QCoreApplication::setApplicationName( QStringLiteral( "QGIS-TEST" ) );
mQgisApp = new QgisApp();
mCanvas = new QgsMapCanvas();
// enforce C locale because the tests expect it
// (decimal separators / thousand separators)
QLocale::setDefault( QLocale::c() );
}
//runs after all tests
void TestQgsMeasureTool::cleanupTestCase()
{
delete mCanvas;
QgsApplication::exitQgis();
}
void TestQgsMeasureTool::testLengthCalculation()
{
//test length measurement
QgsSettings s;
s.setValue( QStringLiteral( "/qgis/measure/keepbaseunit" ), true );
// set project CRS and ellipsoid
QgsCoordinateReferenceSystem srs( 3111, QgsCoordinateReferenceSystem::EpsgCrsId );
mCanvas->setDestinationCrs( srs );
QgsProject::instance()->setCrs( srs );
QgsProject::instance()->setEllipsoid( QStringLiteral( "WGS84" ) );
QgsProject::instance()->setDistanceUnits( QgsUnitTypes::DistanceMeters );
// run length calculation
std::unique_ptr< QgsMeasureTool > tool( new QgsMeasureTool( mCanvas, false ) );
std::unique_ptr< QgsMeasureDialog > dlg( new QgsMeasureDialog( tool.get() ) );
tool->restart();
tool->addPoint( QgsPointXY( 2484588, 2425722 ) );
tool->addPoint( QgsPointXY( 2482767, 2398853 ) );
//force dialog recalculation
dlg->addPoint();
// check result
QString measureString = dlg->editTotal->text();
double measured = measureString.remove( ',' ).split( ' ' ).at( 0 ).toDouble();
double expected = 26932.156;
QGSCOMPARENEAR( measured, expected, 0.001 );
// change project length unit, check calculation respects unit
QgsProject::instance()->setDistanceUnits( QgsUnitTypes::DistanceFeet );
std::unique_ptr< QgsMeasureTool > tool2( new QgsMeasureTool( mCanvas, false ) );
std::unique_ptr< QgsMeasureDialog > dlg2( new QgsMeasureDialog( tool2.get() ) );
tool2->restart();
tool2->addPoint( QgsPointXY( 2484588, 2425722 ) );
tool2->addPoint( QgsPointXY( 2482767, 2398853 ) );
//force dialog recalculation
dlg2->addPoint();
// check result
measureString = dlg2->editTotal->text();
measured = measureString.remove( ',' ).split( ' ' ).at( 0 ).toDouble();
expected = 88360.0918635;
QGSCOMPARENEAR( measured, expected, 0.001 );
// check new CoordinateReferenceSystem, points must be reprojected to paint them successfully (issue #15182)
QgsCoordinateReferenceSystem srs2( 4326, QgsCoordinateReferenceSystem::EpsgCrsId );
QgsCoordinateTransform ct( srs, srs2 );
QgsPointXY p0 = ct.transform( tool2->points()[0] );
QgsPointXY p1 = ct.transform( tool2->points()[1] );
mCanvas->setDestinationCrs( srs2 );
QgsPointXY n0 = tool2->points()[0];
QgsPointXY n1 = tool2->points()[1];
QGSCOMPARENEAR( p0.x(), n0.x(), 0.001 );
QGSCOMPARENEAR( p0.y(), n0.y(), 0.001 );
QGSCOMPARENEAR( p1.x(), n1.x(), 0.001 );
QGSCOMPARENEAR( p1.y(), n1.y(), 0.001 );
}
void TestQgsMeasureTool::testLengthCalculationNoCrs()
{
// test length measurement when no projection is set
QSettings s;
s.setValue( QStringLiteral( "/qgis/measure/keepbaseunit" ), true );
// set project CRS and ellipsoid
mCanvas->setDestinationCrs( QgsCoordinateReferenceSystem() );
QgsProject::instance()->setCrs( QgsCoordinateReferenceSystem() );
// run length calculation
std::unique_ptr< QgsMeasureTool > tool( new QgsMeasureTool( mCanvas, false ) );
std::unique_ptr< QgsMeasureDialog > dlg( new QgsMeasureDialog( tool.get() ) );
tool->restart();
tool->addPoint( QgsPointXY( 2484588, 2425722 ) );
tool->addPoint( QgsPointXY( 2482767, 2398853 ) );
//force dialog recalculation
dlg->addPoint();
// check result
QString measureString = dlg->editTotal->text();
double measured = measureString.remove( ',' ).split( ' ' ).at( 0 ).toDouble();
double expected = 26930.63686584482;
QGSCOMPARENEAR( measured, expected, 0.001 );
}
void TestQgsMeasureTool::testAreaCalculation()
{
//test area measurement
QgsSettings s;
s.setValue( QStringLiteral( "/qgis/measure/keepbaseunit" ), true );
// set project CRS and ellipsoid
QgsCoordinateReferenceSystem srs( 3111, QgsCoordinateReferenceSystem::EpsgCrsId );
mCanvas->setDestinationCrs( srs );
QgsProject::instance()->setCrs( srs );
QgsProject::instance()->setEllipsoid( QStringLiteral( "WGS84" ) );
QgsProject::instance()->setAreaUnits( QgsUnitTypes::AreaSquareMeters );
// run length calculation
std::unique_ptr< QgsMeasureTool > tool( new QgsMeasureTool( mCanvas, true ) );
std::unique_ptr< QgsMeasureDialog > dlg( new QgsMeasureDialog( tool.get() ) );
tool->restart();
tool->addPoint( QgsPointXY( 2484588, 2425722 ) );
tool->addPoint( QgsPointXY( 2482767, 2398853 ) );
tool->addPoint( QgsPointXY( 2520109, 2397715 ) );
tool->addPoint( QgsPointXY( 2520792, 2425494 ) );
//force dialog recalculation
dlg->addPoint();
// check result
QString measureString = dlg->editTotal->text();
double measured = measureString.remove( ',' ).split( ' ' ).at( 0 ).toDouble();
double expected = 1009089817.0;
QGSCOMPARENEAR( measured, expected, 1.0 );
// change project area unit, check calculation respects unit
QgsProject::instance()->setAreaUnits( QgsUnitTypes::AreaSquareMiles );
std::unique_ptr< QgsMeasureTool > tool2( new QgsMeasureTool( mCanvas, true ) );
std::unique_ptr< QgsMeasureDialog > dlg2( new QgsMeasureDialog( tool2.get() ) );
tool2->restart();
tool2->addPoint( QgsPointXY( 2484588, 2425722 ) );
tool2->addPoint( QgsPointXY( 2482767, 2398853 ) );
tool2->addPoint( QgsPointXY( 2520109, 2397715 ) );
tool2->addPoint( QgsPointXY( 2520792, 2425494 ) );
//force dialog recalculation
dlg2->addPoint();
// check result
measureString = dlg2->editTotal->text();
measured = measureString.remove( ',' ).split( ' ' ).at( 0 ).toDouble();
expected = 389.6117565069;
QGSCOMPARENEAR( measured, expected, 0.001 );
}
void TestQgsMeasureTool::degreeDecimalPlaces()
{
QgsProject::instance()->setDistanceUnits( QgsUnitTypes::DistanceDegrees );
QgsSettings s;
s.setValue( QStringLiteral( "qgis/measure/decimalplaces" ), 3 );
std::unique_ptr< QgsMeasureTool > tool( new QgsMeasureTool( mCanvas, true ) );
std::unique_ptr< QgsMeasureDialog > dlg( new QgsMeasureDialog( tool.get() ) );
QCOMPARE( dlg->formatDistance( 11, false ), QString( "11.000 deg" ) );
QCOMPARE( dlg->formatDistance( 0.005, false ), QString( "0.005 deg" ) );
QCOMPARE( dlg->formatDistance( 0.002, false ), QString( "0.0020 deg" ) );
QCOMPARE( dlg->formatDistance( 0.001, false ), QString( "0.0010 deg" ) );
QCOMPARE( dlg->formatDistance( 0.0001, false ), QString( "0.00010 deg" ) );
QCOMPARE( dlg->formatDistance( 0.00001, false ), QString( "0.000010 deg" ) );
}
QGSTEST_MAIN( TestQgsMeasureTool )
#include "testqgsmeasuretool.moc"