Engauge Digitizer 2
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TestTransformation.cpp
1#include "DocumentModelCoords.h"
2#include "Logger.h"
3#include "MainWindow.h"
4#include "MainWindowModel.h"
5#include <qmath.h>
6#include <QtTest/QtTest>
7#include "Test/TestTransformation.h"
8#include "Transformation.h"
9
10QTEST_MAIN (TestTransformation)
11
12const double EPSILON = 1.0;
13
14using namespace std;
15
16TestTransformation::TestTransformation(QObject *parent) :
17 QObject(parent)
18{
19}
20
21void TestTransformation::cleanupTestCase ()
22{
23
24}
25
26double TestTransformation::differenceMagnitude (const QPointF &vector1,
27 const QPointF &vector2) const
28{
29 QPointF difference = vector1 - vector2;
30 return qSqrt (difference.x() * difference.x() +
31 difference.y() * difference.y());
32}
33void TestTransformation::initTestCase ()
34{
35 const QString NO_ERROR_REPORT_LOG_FILE;
36 const QString NO_REGRESSION_OPEN_FILE;
37 const bool NO_GNUPLOT_LOG_FILES = false;
38 const bool NO_REGRESSION_IMPORT = false;
39 const bool DEBUG_FLAG = false;
40 const QStringList NO_LOAD_STARTUP_FILES;
41
42 initializeLogging ("engauge_test",
43 "engauge_test.log",
44 DEBUG_FLAG);
45
46 MainWindow w (NO_ERROR_REPORT_LOG_FILE,
47 NO_REGRESSION_OPEN_FILE,
48 NO_GNUPLOT_LOG_FILES,
49 NO_REGRESSION_IMPORT,
50 NO_LOAD_STARTUP_FILES);
51 w.show ();
52}
53
54void TestTransformation::initTransformation (const QPointF &s0,
55 const QPointF &s1,
56 const QPointF &s2,
57 const QPointF &g0,
58 const QPointF &g1,
59 const QPointF &g2,
60 const DocumentModelCoords &modelCoords)
61{
62 QTransform matrixScreen (s0.x(), s1.x(), s2.x(),
63 s0.y(), s1.y(), s2.y(),
64 1.0, 1.0, 1.0);
65 QTransform matrixGraph (g0.x(), g1.x(), g2.x(),
66 g0.y(), g1.y(), g2.y(),
67 1.0, 1.0, 1.0);
68
69 Transformation t;
70 MainWindowModel mainWindowModel;
71 t.setModelCoords (modelCoords,
72 mainWindowModel);
73 t.updateTransformFromMatrices(matrixScreen,
74 matrixGraph);
75
76 t.transformScreenToRawGraph (s0,
77 m_g0Transformed);
78 t.transformScreenToRawGraph (s1,
79 m_g1Transformed);
80 t.transformScreenToRawGraph (s2,
81 m_g2Transformed);
82 t.transformRawGraphToScreen (g0,
83 m_s0Transformed);
84 t.transformRawGraphToScreen (g1,
85 m_s1Transformed);
86 t.transformRawGraphToScreen (g2,
87 m_s2Transformed);
88}
89
90DocumentModelCoords TestTransformation::modelCoordsDefault() const
91{
92 DocumentModelCoords modelCoords;
93
94 modelCoords.setCoordScaleXTheta (COORD_SCALE_LINEAR);
95 modelCoords.setCoordScaleYRadius (COORD_SCALE_LINEAR);
96 modelCoords.setCoordsType (COORDS_TYPE_CARTESIAN);
97 modelCoords.setCoordUnitsDate(COORD_UNITS_DATE_YEAR_MONTH_DAY);
98 modelCoords.setCoordUnitsRadius (COORD_UNITS_NON_POLAR_THETA_NUMBER);
99 modelCoords.setCoordUnitsTheta (COORD_UNITS_POLAR_THETA_DEGREES);
100 modelCoords.setCoordUnitsTime (COORD_UNITS_TIME_HOUR_MINUTE_SECOND);
101 modelCoords.setCoordUnitsX (COORD_UNITS_NON_POLAR_THETA_NUMBER);
102 modelCoords.setCoordUnitsY (COORD_UNITS_NON_POLAR_THETA_NUMBER);
103 modelCoords.setOriginRadius (0.0);
104
105 return modelCoords;
106}
107void TestTransformation::testCartesianLinearLinear ()
108{
109 QPointF s0 (10, 1000);
110 QPointF s1 (1000, 1000);
111 QPointF s2 (10, 10);
112 QPointF g0 (1, 1);
113 QPointF g1 (10, 1);
114 QPointF g2 (1, 10);
115
116 initTransformation (s0,
117 s1,
118 s2,
119 g0,
120 g1,
121 g2,
122 modelCoordsDefault());
123
124 QVERIFY (differenceMagnitude (s0, m_s0Transformed) < EPSILON);
125 QVERIFY (differenceMagnitude (s1, m_s1Transformed) < EPSILON);
126 QVERIFY (differenceMagnitude (s2, m_s2Transformed) < EPSILON);
127 QVERIFY (differenceMagnitude (g0, m_g0Transformed) < EPSILON);
128 QVERIFY (differenceMagnitude (g1, m_g1Transformed) < EPSILON);
129 QVERIFY (differenceMagnitude (g2, m_g2Transformed) < EPSILON);
130}
131
132void TestTransformation::testCartesianLinearLog ()
133{
134 QPointF s0 (10, 1000);
135 QPointF s1 (1000, 1000);
136 QPointF s2 (10, 10);
137 QPointF g0 (1, 1);
138 QPointF g1 (10, 1);
139 QPointF g2 (1, 10);
140
141 DocumentModelCoords modelCoords = modelCoordsDefault();
142 modelCoords.setCoordScaleYRadius (COORD_SCALE_LOG);
143 initTransformation (s0,
144 s1,
145 s2,
146 g0,
147 g1,
148 g2,
149 modelCoordsDefault());
150
151 QVERIFY (differenceMagnitude (s0, m_s0Transformed) < EPSILON);
152 QVERIFY (differenceMagnitude (s1, m_s1Transformed) < EPSILON);
153 QVERIFY (differenceMagnitude (s2, m_s2Transformed) < EPSILON);
154 QVERIFY (differenceMagnitude (g0, m_g0Transformed) < EPSILON);
155 QVERIFY (differenceMagnitude (g1, m_g1Transformed) < EPSILON);
156 QVERIFY (differenceMagnitude (g2, m_g2Transformed) < EPSILON);
157}
158
159void TestTransformation::testCartesianLogLinear ()
160{
161 QPointF s0 (10, 1000);
162 QPointF s1 (1000, 1000);
163 QPointF s2 (10, 10);
164 QPointF g0 (1, 1);
165 QPointF g1 (10, 1);
166 QPointF g2 (1, 10);
167
168 DocumentModelCoords modelCoords = modelCoordsDefault();
169 modelCoords.setCoordScaleXTheta (COORD_SCALE_LOG);
170 initTransformation (s0,
171 s1,
172 s2,
173 g0,
174 g1,
175 g2,
176 modelCoordsDefault());
177
178 QVERIFY (differenceMagnitude (s0, m_s0Transformed) < EPSILON);
179 QVERIFY (differenceMagnitude (s1, m_s1Transformed) < EPSILON);
180 QVERIFY (differenceMagnitude (s2, m_s2Transformed) < EPSILON);
181 QVERIFY (differenceMagnitude (g0, m_g0Transformed) < EPSILON);
182 QVERIFY (differenceMagnitude (g1, m_g1Transformed) < EPSILON);
183 QVERIFY (differenceMagnitude (g2, m_g2Transformed) < EPSILON);
184}
185
186void TestTransformation::testCartesianLogLog ()
187{
188 QPointF s0 (10, 1000);
189 QPointF s1 (1000, 1000);
190 QPointF s2 (10, 10);
191 QPointF g0 (1, 1);
192 QPointF g1 (10, 1);
193 QPointF g2 (1, 10);
194
195 DocumentModelCoords modelCoords = modelCoordsDefault();
196 modelCoords.setCoordScaleXTheta (COORD_SCALE_LOG);
197 modelCoords.setCoordScaleYRadius (COORD_SCALE_LOG);
198 initTransformation (s0,
199 s1,
200 s2,
201 g0,
202 g1,
203 g2,
204 modelCoordsDefault());
205
206 QVERIFY (differenceMagnitude (s0, m_s0Transformed) < EPSILON);
207 QVERIFY (differenceMagnitude (s1, m_s1Transformed) < EPSILON);
208 QVERIFY (differenceMagnitude (s2, m_s2Transformed) < EPSILON);
209 QVERIFY (differenceMagnitude (g0, m_g0Transformed) < EPSILON);
210 QVERIFY (differenceMagnitude (g1, m_g1Transformed) < EPSILON);
211 QVERIFY (differenceMagnitude (g2, m_g2Transformed) < EPSILON);
212}
213
214void TestTransformation::testPolarLinear ()
215{
216 QPointF s0 (500, 1000);
217 QPointF s1 (1000, 500);
218 QPointF s2 (500, 500); // Origin at center
219 QPointF g0 (-90, 100);
220 QPointF g1 (0, 100);
221 QPointF g2 (0, 0);
222
223 DocumentModelCoords modelCoords = modelCoordsDefault();
224 modelCoords.setCoordsType (COORDS_TYPE_POLAR);
225 initTransformation (s0,
226 s1,
227 s2,
228 g0,
229 g1,
230 g2,
231 modelCoordsDefault());
232
233 QVERIFY (differenceMagnitude (s0, m_s0Transformed) < EPSILON);
234 QVERIFY (differenceMagnitude (s1, m_s1Transformed) < EPSILON);
235 QVERIFY (differenceMagnitude (s2, m_s2Transformed) < EPSILON);
236 QVERIFY (differenceMagnitude (g0, m_g0Transformed) < EPSILON);
237 QVERIFY (differenceMagnitude (g1, m_g1Transformed) < EPSILON);
238 QVERIFY (differenceMagnitude (g2, m_g2Transformed) < EPSILON);
239}
240
241void TestTransformation::testPolarLogOffset1 ()
242{
243 QPointF s0 (500, 1000);
244 QPointF s1 (1000, 500);
245 QPointF s2 (500, 500); // Origin at center
246 QPointF g0 (-90, 100);
247 QPointF g1 (0, 100);
248 QPointF g2 (0, 1);
249
250 DocumentModelCoords modelCoords = modelCoordsDefault();
251 modelCoords.setCoordsType (COORDS_TYPE_POLAR);
252 modelCoords.setCoordScaleYRadius (COORD_SCALE_LOG);
253 modelCoords.setOriginRadius (1.0);
254 initTransformation (s0,
255 s1,
256 s2,
257 g0,
258 g1,
259 g2,
260 modelCoordsDefault());
261
262 QVERIFY (differenceMagnitude (s0, m_s0Transformed) < EPSILON);
263 QVERIFY (differenceMagnitude (s1, m_s1Transformed) < EPSILON);
264 QVERIFY (differenceMagnitude (s2, m_s2Transformed) < EPSILON);
265 QVERIFY (differenceMagnitude (g0, m_g0Transformed) < EPSILON);
266 QVERIFY (differenceMagnitude (g1, m_g1Transformed) < EPSILON);
267 QVERIFY (differenceMagnitude (g2, m_g2Transformed) < EPSILON);
268}
269
270void TestTransformation::testPolarLogOffset10 ()
271{
272 QPointF s0 (500, 1000);
273 QPointF s1 (1000, 500);
274 QPointF s2 (500, 500); // Origin at center
275 QPointF g0 (-90, 100);
276 QPointF g1 (0, 100);
277 QPointF g2 (0, 10);
278
279 DocumentModelCoords modelCoords = modelCoordsDefault();
280 modelCoords.setCoordsType (COORDS_TYPE_POLAR);
281 modelCoords.setCoordScaleYRadius (COORD_SCALE_LOG);
282 modelCoords.setOriginRadius (10.0);
283 initTransformation (s0,
284 s1,
285 s2,
286 g0,
287 g1,
288 g2,
289 modelCoordsDefault());
290
291 QVERIFY (differenceMagnitude (s0, m_s0Transformed) < EPSILON);
292 QVERIFY (differenceMagnitude (s1, m_s1Transformed) < EPSILON);
293 QVERIFY (differenceMagnitude (s2, m_s2Transformed) < EPSILON);
294 QVERIFY (differenceMagnitude (g0, m_g0Transformed) < EPSILON);
295 QVERIFY (differenceMagnitude (g1, m_g1Transformed) < EPSILON);
296 QVERIFY (differenceMagnitude (g2, m_g2Transformed) < EPSILON);
297}
DocumentModelCoords
Model for DlgSettingsCoords and CmdSettingsCoords.
Definition DocumentModelCoords.h:21
DocumentModelCoords::setCoordUnitsY
void setCoordUnitsY(CoordUnitsNonPolarTheta coordUnits)
Set method for y units.
Definition DocumentModelCoords.cpp:267
DocumentModelCoords::setOriginRadius
void setOriginRadius(double originRadius)
Set method for origin radius in polar mode.
Definition DocumentModelCoords.cpp:272
DocumentModelCoords::setCoordUnitsX
void setCoordUnitsX(CoordUnitsNonPolarTheta coordUnits)
Set method for x units.
Definition DocumentModelCoords.cpp:262
DocumentModelCoords::setCoordUnitsRadius
void setCoordUnitsRadius(CoordUnitsNonPolarTheta coordUnits)
Set method for radius units.
Definition DocumentModelCoords.cpp:247
DocumentModelCoords::setCoordUnitsDate
void setCoordUnitsDate(CoordUnitsDate coordUnits)
Set method for date units.
Definition DocumentModelCoords.cpp:242
DocumentModelCoords::setCoordsType
void setCoordsType(CoordsType coordsType)
Set method for coordinates type.
Definition DocumentModelCoords.cpp:237
DocumentModelCoords::setCoordScaleXTheta
void setCoordScaleXTheta(CoordScale coordScale)
Set method for linear/log scale on x/theta.
Definition DocumentModelCoords.cpp:227
DocumentModelCoords::setCoordUnitsTime
void setCoordUnitsTime(CoordUnitsTime coordUnits)
Set method for time units.
Definition DocumentModelCoords.cpp:257
DocumentModelCoords::setCoordScaleYRadius
void setCoordScaleYRadius(CoordScale coordScale)
Set method for linear/log scale on y/radius.
Definition DocumentModelCoords.cpp:232
DocumentModelCoords::setCoordUnitsTheta
void setCoordUnitsTheta(CoordUnitsPolarTheta coordUnits)
Set method for theta units.
Definition DocumentModelCoords.cpp:252
MainWindowModel
Model for DlgSettingsMainWindow.
Definition MainWindowModel.h:24
MainWindow
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition MainWindow.h:78
TestTransformation
Unit test of transformation class. Checking mostly involves verifying forward/reverse are inverses of...
Definition TestTransformation.h:10
TestTransformation::TestTransformation
TestTransformation(QObject *parent=0)
Single constructor.
Definition TestTransformation.cpp:16
Transformation
Affine transformation between screen and graph coordinates, based on digitized axis points.
Definition Transformation.h:31
Transformation::transformRawGraphToScreen
void transformRawGraphToScreen(const QPointF &pointRaw, QPointF &pointScreen) const
Transform from raw graph coordinates to linear cartesian graph coordinates, then to screen coordinate...
Definition Transformation.cpp:402
Transformation::transformScreenToRawGraph
void transformScreenToRawGraph(const QPointF &coordScreen, QPointF &coordGraph) const
Transform from cartesian pixel screen coordinates to cartesian/polar graph coordinates.
Definition Transformation.cpp:421
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