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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Data Visualization module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.1
import QtDataVisualization 1.1
import "."
Item {
id: mainView
width: 800
height: 600
visible: true
property int selectedAxisLabel: -1
property real dragSpeedModifier: 100.0
property int currentMouseX: -1
property int currentMouseY: -1
property int previousMouseX: -1
property int previousMouseY: -1
ListModel {
id: graphModel
ListElement{ xPos: 0.0; yPos: 0.0; zPos: 0.0; rotation: "@0,0,0,0" }
ListElement{ xPos: 1.0; yPos: 1.0; zPos: 1.0; rotation: "@45,1,1,1" }
}
Timer {
id: dataTimer
interval: 1
running: true
repeat: true
property bool isIncreasing: true
property real rotationAngle: 0
function generateQuaternion() {
return "@" + Math.random() * 360 + "," + Math.random() + ","
+ Math.random() + "," + Math.random()
}
function appendRow() {
graphModel.append({"xPos": Math.random(),
"yPos": Math.random(),
"zPos": Math.random(),
"rotation": generateQuaternion()
});
}
//! [10]
onTriggered: {
rotationAngle = rotationAngle + 1
qtCube.setRotationAxisAndAngle(Qt.vector3d(1,0,1), rotationAngle)
//! [10]
scatterSeries.setMeshAxisAndAngle(Qt.vector3d(1,1,1), rotationAngle)
if (isIncreasing) {
for (var i = 0; i < 10; i++)
appendRow()
if (graphModel.count > 2002) {
scatterGraph.theme = isabelleTheme
isIncreasing = false
}
} else {
graphModel.remove(2, 10);
if (graphModel.count == 2) {
scatterGraph.theme = dynamicColorTheme
isIncreasing = true
}
}
}
}
ThemeColor {
id: dynamicColor
ColorAnimation on color {
from: "red"
to: "yellow"
duration: 2000
loops: Animation.Infinite
}
}
Theme3D {
id: dynamicColorTheme
type: Theme3D.ThemeEbony
baseColors: [dynamicColor]
font.pointSize: 50
labelBorderEnabled: true
labelBackgroundColor: "gold"
labelTextColor: "black"
}
Theme3D {
id: isabelleTheme
type: Theme3D.ThemeIsabelle
font.pointSize: 50
labelBorderEnabled: true
labelBackgroundColor: "gold"
labelTextColor: "black"
}
Item {
id: dataView
anchors.bottom: parent.bottom
width: parent.width
height: parent.height
//! [0]
Scatter3D {
id: scatterGraph
inputHandler: null
//! [0]
width: dataView.width
height: dataView.height
theme: dynamicColorTheme
shadowQuality: AbstractGraph3D.ShadowQualityLow
scene.activeCamera.yRotation: 45.0
scene.activeCamera.xRotation: 45.0
scene.activeCamera.zoomLevel: 75.0
Scatter3DSeries {
id: scatterSeries
itemLabelFormat: "X:@xLabel Y:@yLabel Z:@zLabel"
mesh: Abstract3DSeries.MeshCube
ItemModelScatterDataProxy {
itemModel: graphModel
xPosRole: "xPos"
yPosRole: "yPos"
zPosRole: "zPos"
rotationRole: "rotation"
}
}
//! [9]
customItemList: [
Custom3DItem {
id: qtCube
meshFile: ":/mesh/cube"
textureFile: ":/texture/texture"
position: Qt.vector3d(0.65,0.35,0.65)
scaling: Qt.vector3d(0.3,0.3,0.3)
}
]
//! [9]
//! [5]
onSelectedElementChanged: {
if (selectedElement >= AbstractGraph3D.ElementAxisXLabel
&& selectedElement <= AbstractGraph3D.ElementAxisZLabel)
selectedAxisLabel = selectedElement
else
selectedAxisLabel = -1
}
//! [5]
}
//! [1]
MouseArea {
anchors.fill: parent
hoverEnabled: true
acceptedButtons: Qt.LeftButton
//! [1]
//! [3]
onPositionChanged: {
currentMouseX = mouse.x;
currentMouseY = mouse.y;
//! [3]
//! [6]
if (pressed && selectedAxisLabel != -1)
dragAxis();
//! [6]
//! [4]
previousMouseX = currentMouseX;
previousMouseY = currentMouseY;
}
//! [4]
//! [2]
onPressed: {
scatterGraph.scene.selectionQueryPosition = Qt.point(mouse.x, mouse.y);
}
//! [2]
onReleased: {
// We need to clear mouse positions and selected axis, because touch devices cannot
// track position all the time
selectedAxisLabel = -1
currentMouseX = -1
currentMouseY = -1
previousMouseX = -1
previousMouseY = -1
}
}
}
//! [7]
function dragAxis() {
// Do nothing if previous mouse position is uninitialized
if (previousMouseX === -1)
return
// Directional drag multipliers based on rotation. Camera is locked to 45 degrees, so we
// can use one precalculated value instead of calculating xx, xy, zx and zy individually
var cameraMultiplier = 0.70710678
// Calculate the mouse move amount
var moveX = currentMouseX - previousMouseX
var moveY = currentMouseY - previousMouseY
// Adjust axes
switch (selectedAxisLabel) {
case AbstractGraph3D.ElementAxisXLabel:
var distance = ((moveX - moveY) * cameraMultiplier) / dragSpeedModifier
// Check if we need to change min or max first to avoid invalid ranges
if (distance > 0) {
scatterGraph.axisX.min -= distance
scatterGraph.axisX.max -= distance
} else {
scatterGraph.axisX.max -= distance
scatterGraph.axisX.min -= distance
}
break
case AbstractGraph3D.ElementAxisYLabel:
distance = moveY / dragSpeedModifier
// Check if we need to change min or max first to avoid invalid ranges
if (distance > 0) {
scatterGraph.axisY.max += distance
scatterGraph.axisY.min += distance
} else {
scatterGraph.axisY.min += distance
scatterGraph.axisY.max += distance
}
break
case AbstractGraph3D.ElementAxisZLabel:
distance = ((moveX + moveY) * cameraMultiplier) / dragSpeedModifier
// Check if we need to change min or max first to avoid invalid ranges
if (distance > 0) {
scatterGraph.axisZ.max += distance
scatterGraph.axisZ.min += distance
} else {
scatterGraph.axisZ.min += distance
scatterGraph.axisZ.max += distance
}
break
}
}
//! [7]
NewButton {
id: rangeToggle
width: parent.width / 3 // We're adding 3 buttons and want to divide them equally
text: "Use Preset Range"
anchors.left: parent.left
property bool autoRange: true
onClicked: {
if (autoRange) {
text = "Use Automatic Range"
scatterGraph.axisX.min = 0.3
scatterGraph.axisX.max = 0.7
scatterGraph.axisY.min = 0.3
scatterGraph.axisY.max = 0.7
scatterGraph.axisZ.min = 0.3
scatterGraph.axisZ.max = 0.7
autoRange = false
dragSpeedModifier = 200.0
} else {
text = "Use Preset Range"
autoRange = true
dragSpeedModifier = 100.0
}
scatterGraph.axisX.autoAdjustRange = autoRange
scatterGraph.axisY.autoAdjustRange = autoRange
scatterGraph.axisZ.autoAdjustRange = autoRange
}
}
//! [8]
NewButton {
id: orthoToggle
width: parent.width / 3
text: "Display Orthographic"
anchors.left: rangeToggle.right
onClicked: {
if (scatterGraph.orthoProjection) {
text = "Display Orthographic";
scatterGraph.orthoProjection = false
// Orthographic projection disables shadows, so we need to switch them back on
scatterGraph.shadowQuality = AbstractGraph3D.ShadowQualityLow
} else {
text = "Display Perspective";
scatterGraph.orthoProjection = true
}
}
}
//! [8]
NewButton {
id: exitButton
width: parent.width / 3
text: "Quit"
anchors.left: orthoToggle.right
onClicked: Qt.quit(0);
}
}
|