Newer
Older
# -*- coding: utf-8 -*-
"""
***************************************************************************
---------------------
Date : 27.03.2018
Copyright : (C) 2018 by Benjamin Jakimow
Email : benjamin jakimow at geo dot hu-berlin dot de
***************************************************************************
* *
* 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. *
* *
***************************************************************************
"""
# noinspection PyPep8Naming
import sys, os, re, collections
from qgis import *
from qgis.core import *
from qgis.gui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *
import pyqtgraph.opengl as gl
from pyqtgraph import functions as fn
from OpenGL.GL import *
import OpenGL.GLUT
from pyqtgraph.opengl import *
from pyqtgraph.opengl.GLGraphicsItem import GLGraphicsItem
from pyqtgraph.Vector import Vector
from eotimeseriesviewer.temporalprofiles2d import *
class AxisGrid3D(GLGraphicsItem):
def __init__(self, *args, **kwds):
super(AxisGrid3D, self).__init__(*args, **kwds)
self.antialias = True
self.mRangesMin = np.asarray([0,0,0], dtype=np.float64)
self.mRangesMax = np.asarray([1,1,1], dtype=np.float64)
self.mSteps = np.asarray([10,10,10], dtype=np.int)
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
self.mVisibility = np.ones((3), dtype=np.bool)
self.mColor = QColor('grey')
self.mDims = ['xy', 'xz', 'yz']
def setColor(self, color):
self.mColor = QColor(color)
def set(self, dim, v0=None, v1=None, steps=None, visible=None, skipUpdate=False):
assert isinstance(dim, str)
dim = dim.lower()
assert dim in self.mDims
i = self.mDims.index(dim)
if v0 is not None:
self.mRangesMin[i] = v0
if v1 is not None:
self.mRangesMax[i] = v1
if isinstance(steps, int):
self.mSteps[i] = steps
if isinstance(visible, bool):
self.mVisibility[i] = visible
if not skipUpdate:
self.update()
def setXY(self, **kwds):
self.set('xy', **kwds)
def setXZ(self, **kwds):
self.set('xz', **kwds)
def setYZ(self, **kwds):
self.set('yz', **kwds)
def setMinRanges(self, ranges):
self.mRangesMin[:] = ranges
def setMaxRanges(self, ranges):
self.mRangesMax[:] = ranges
def paint(self):
self.setupGLState()
if self.antialias:
glEnable(GL_LINE_SMOOTH)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST)
glBegin(GL_LINES)
#T = self.transform()
#origin of axis values
valMin = Vector(*self.mRangesMin)
#max extent of axis values
valMax = Vector(*self.mRangesMax)
valRange = valMax - valMin
if valRange.x() <= 0:
valRange.setX(1)
if valRange.y() <= 0:
valRange.setY(1)
if valRange.z() <= 0:
valRange.setZ(1)
stepSize = valRange / Vector(self.mSteps)
valuesX = np.arange(valMin.x(), valMax.x()+1.00001*stepSize.x(), stepSize.x())
valuesY = np.arange(valMin.y(), valMax.y()+1.00001*stepSize.y(), stepSize.y())
valuesZ = np.arange(valMin.z(), valMax.z()+1.00001*stepSize.z(), stepSize.z())
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
c = fn.glColor(self.mColor)
glColor4f(*c)
if self.mVisibility[0]: #show XY
for x in valuesX:
glVertex3f(x, valuesY[0], valMin.z())
glVertex3f(x, valuesY[-1], valMin.z())
for y in valuesY:
glVertex3f(valuesX[0], y, valMin.z())
glVertex3f(valuesX[-1], y, valMin.z())
if self.mVisibility[1]: # show XZ
for x in valuesX:
glVertex3f(x, valMin.y(), valuesZ[0])
glVertex3f(x, valMin.y(), valuesZ[-1])
for z in valuesZ:
glVertex3f(valuesX[0], valMin.y(), z)
glVertex3f(valuesX[-1], valMin.y(), z)
if self.mVisibility[2]: # show YZ
for y in valuesY:
glVertex3f(valMin.x(), y, valuesZ[0])
glVertex3f(valMin.x(), y, valuesZ[-1])
for z in valuesZ:
glVertex3f(valMin.x(), valuesY[0], z)
glVertex3f(valMin.x(), valuesY[-1], z)
glEnd()
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
class Label3D(GLGraphicsItem):
def __init__(self, label='', *args, **kwds):
super(Label3D, self).__init__(*args, **kwds)
self.mLabel = label
self.mIsVisible = True
self.mPos =np.asarray([0,0,0], dtype=np.float)
def setPos(self, x,y,z):
self.mPos[0] = x
self.mPos[1] = y
self.mPos[2] = z
def setText(self, text):
assert isinstance(text, str)
self.mLabel = text
def text(self):
return self.mLabel
def setVisible(self, b):
assert isinstance(b, bool)
self.mIsVisible = b
self.update()
def isVisible(self):
return self.mIsVisible
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
def paint(self, *args, **kwds):
s = ""
if False:
self.setupGLState()
#glBegin(GL_LINES)
glEnable(GL_LINE_SMOOTH)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST)
#glBegin(GL_LINES)
glPushMatrix()
x,y,z= self.mPos
glTranslatef(1,0,0)
#glScale()
from OpenGL.GLUT import glutStrokeCharacter,glutStrokeWidth, GLUT_STROKE_ROMAN
w = 0
text = self.mLabel.encode('utf-8')
for c in text:
w += glutStrokeWidth(GLUT_STROKE_ROMAN, c)
glRotate(1,0,1,0)
glScale(0.1,0.1,0.1)
glTranslatef(-w / 2., -w/5., -w/2.)
for c in text:
glutStrokeCharacter(GLUT_STROKE_ROMAN, c)
glPopMatrix()
class ViewWidget3D(GLViewWidget):
def __init__(self, parent=None):
super(ViewWidget3D, self).__init__(parent)
self.mousePos = QPoint(-1, -1)
self.setBackgroundColor(QColor('black'))
self.setMouseTracking(True)
self.mDataMinRanges = np.asarray([0, 0, 0])
self.mDataMaxRanges = np.asarray([1, 1, 1])
self.mDataSpan = self.mDataMaxRanges - self.mDataMinRanges
self.mScale = np.asarray([1.,1.,1.])
self.mDataN = 0
self.glAxes = Axis3D()
from pyqtgraph.Transform3D import Transform3D
self.mItemTransformation = Transform3D()
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
#self.glGridItemXY = AxisGrid3D()
#self.glGridItemXZ = AxisGrid3D()
#self.glGridItemYZ = AxisGrid3D()
self.glGridItem = AxisGrid3D()
#self.glGridItemXZ.setVisible(False)
#self.glGridItemYZ.setVisible(False)
x, y, z = self.glAxes.size()
#self.glGridItemYZ.rotate(-90, 0, 1, 0)
#self.glGridItemXZ.rotate( 90, 1, 0, 0)
# self.glGridItemXY.scale(x/10,y/10, 1)
# self.glGridItemXZ.scale(x/10,z/10, 1)
# self.glGridItemYZ.scale(y/10,z/10, 1)
#self.mBasicItems = [self.glGridItemXY, self.glGridItemXZ, self.glGridItemYZ, self.glAxes]
self.mBasicItems = [self.glAxes, self.glGridItem]
for item in self.mBasicItems:
if item == self.glAxes:
item.setDepthValue(-10)
else:
item.setDepthValue(0)
self.addItem(item) # draw grid/axis after surfaces since they may be translucent
"""
def setDataRangeX(self, x0, x1):
assert x0 < x1
self.mDataMinRanges[0] = x0
self.mDataMaxRanges[0] = x1
def setDataRangeY(self, y0, y1):
assert y0 < y1
self.mDataMinRanges[0] = y0
self.mDataMaxRanges[0] = y1
def setDataRangeZ(self, z0, z1):
assert z0 < z1
self.mDataMinRanges[0] = z0
self.mDataMaxRanges[0] = z1
"""
def setCameraPosition(self, pos=None, distance=None, elevation=None, azimuth=None):
if distance is not None:
self.opts['distance'] = distance
if elevation is not None:
self.opts['elevation'] = elevation
if azimuth is not None:
self.opts['azimuth'] = azimuth
if pos is not None:
if not isinstance(pos, QVector3D):
pos = Vector(pos)
self.opts['center'] = pos
def resetCamera(self):
# self.mDataMinRanges
self.updateDataRanges()
self.resetScaling()
x,y,z = self.mDataMaxRanges
self.setCameraPosition([1.,0.5,0.5], distance=10, elevation=10, azimuth=10)
self.update()
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
def clearItems(self):
to_remove = [i for i in self.items if i not in self.mBasicItems]
for i in to_remove:
self.items.remove(i)
i._setView(None)
self.update()
def paintGL(self, *args, **kwds):
GLViewWidget.paintGL(self, *args, **kwds)
self.qglColor(Qt.white)
self.renderAnnotations()
def zoomToFull(self):
x = y = z = 0
for item in self.items:
if item not in self.mBasicItems:
pos = item.pos
#self.setCameraPosition(pos=pos, distance=10)
break
s = ""
def updateDataRanges(self):
"""
Re-calcuates the data ranges of the added plot items.
Calls this before re-scaling the transformation matrix.
"""
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
x0 = x1 = y0 = y1 = z0 = z1 = n = None
if hasattr(self, 'items'):
for item in self.items:
if item not in self.mBasicItems and hasattr(item, 'pos'):
pos = item.pos
if x0 is None:
n = pos.shape[0]
x0 = pos[:, 0].min()
y0 = pos[:, 1].min()
z0 = pos[:, 2].min()
x1 = pos[:, 0].max()
y1 = pos[:, 1].max()
z1 = pos[:, 2].max()
else:
n = max(n, pos.shape[0])
x0 = min(x0, pos[:, 0].min())
y0 = min(y0, pos[:, 1].min())
z0 = min(z0, pos[:, 2].min())
x1 = max(x1, pos[:, 0].max())
y1 = max(y1, pos[:, 1].max())
z1 = max(z1, pos[:, 2].max())
if x1 is not None:
self.mDataMinRanges = np.asarray([x0, y0, z0])
self.mDataMaxRanges = np.asarray([x1, y1, z1])
self.mDataSpan = self.mDataMaxRanges - self.mDataMinRanges
#avoid division by zero and provide a minimum range of 1/10000
self.mDataSpan = np.where(self.mDataSpan == 0, np.ones((3), dtype=np.float64)/10000., self.mDataSpan)
self.mDataMaxRanges = self.mDataMinRanges + self.mDataSpan
self.mDataN = n
self.glAxes.setMinRanges(self.mDataMinRanges)
self.glAxes.setMaxRanges(self.mDataMaxRanges)
self.glGridItem.setMinRanges(self.mDataMinRanges)
self.glGridItem.setMaxRanges(self.mDataMaxRanges)
def resetScaling(self):
t = pg.Transform3D()
scale = np.asarray([0.9, 1.0, 0.8]) / np.asarray(self.mDataSpan) # scale to 0-1
t.scale(*scale)
t.translate(*(-1 * np.asarray(self.mDataMinRanges))) # set axis origin to 0:0:0
vMin = t*Vector(self.mDataMinRanges)
vMax = t*Vector(self.mDataMaxRanges)
#pos = (self.mDataMinRanges+self.mDataMaxRanges)*0.5
#self.setCameraPosition(pos=Vector(*pos)*t)
#self.setCameraPosition(pos=t*Vector(*pos))
#self.setCameraPosition(pos=Vector(*pos))
self.setItemTransform(t)
#self.setCameraPosition(pos=Vector(0.5,0.5,0.5))
def setItemTransform(self, transform):
assert isinstance(transform, pg.Transform3D)
self.mItemTransformation = transform
for item in self.items:
item.setTransform(transform)
def itemTransformation(self):
return self.mItemTransformation
def addItems(self, items):
"""Adds a list of items to this plot"""
for item in items:
assert isinstance(item, GLGraphicsItem)
if hasattr(item, 'initializeGL'):
self.makeCurrent()
try:
item.initializeGL()
except:
self.checkOpenGLVersion('Error while adding item %s to GLViewWidget.' % str(item))
item._setView(self)
self.items.extend(items)
self.updateDataRanges()
self.update()
def removeItems(self, items):
for item in items:
if item in self.items:
self.items.remove(item)
item._setView(None)
self.updateDataRanges()
self.update()
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
def mouseMoveEvent(self, ev):
assert isinstance(ev, QMouseEvent)
""" Allow Shift to Move and Ctrl to Pan.
Example taken from https://gist.github.com/blink1073/7406607
"""
shift = ev.modifiers() & QtCore.Qt.ShiftModifier
ctrl = ev.modifiers() & QtCore.Qt.ControlModifier
if shift:
y = ev.pos().y()
if not hasattr(self, '_prev_zoom_pos') or not self._prev_zoom_pos:
self._prev_zoom_pos = y
return
dy = y - self._prev_zoom_pos
def delta():
return -dy * 5
ev.delta = delta
self._prev_zoom_pos = y
self.wheelEvent(ev)
elif ctrl:
pos = ev.pos().x(), ev.pos().y()
if not hasattr(self, '_prev_pan_pos') or not self._prev_pan_pos:
self._prev_pan_pos = pos
return
dx = pos[0] - self._prev_pan_pos[0]
dy = pos[1] - self._prev_pan_pos[1]
self.pan(dx, dy, 0, relative=True)
self._prev_pan_pos = pos
else:
super(ViewWidget3D, self).mouseMoveEvent(ev)
# items = self.itemsAt((pos.x(), pos.y(), 3, 3))
def mousePressEvent(self, event):
super(ViewWidget3D, self).mousePressEvent(event)
self.mousePos = event.pos()
if event.button() == Qt.RightButton:
self.select = True
else:
self.select = False
try:
glColorSelected = fn.glColor(QColor('red'))
for item in self.itemsAt((self.mousePos.x(), self.mousePos.y(), 3, 3)):
if isinstance(item, GLLinePlotItem):
c = item.color
item.setData(color=glColorSelected)
QTimer.singleShot(DT_SELECTION, lambda item=item, c=c: item.setData(color=c))
except:
pass
def renderAnnotations(self):
if self.glAxes.visible():
x0, y0, z0 = self.glAxes.rangeMinima()
x1, y1, z1 = self.glAxes.rangeMaxima()
dx, dy, dz = self.glAxes.rangeSpan()
T = self.glAxes.transform()
#transform
d = 0.1
V0 = T * Vector(*self.glAxes.rangeMinima())
V1 = T * Vector(*self.glAxes.rangeMaxima())
dx = V1.x() - V0.x()
dy = V1.y() - V0.y()
dz = V1.z() - V0.z()
sx = V1.x() + 0.1*dx
sy = V1.y() + 0.1*dy
sz = V1.z() + 0.1*dz
if x1 is not None:
#self.renderText(x1 + d*dx, 0, 0, self.glAxes.mLabels[0])
self.renderText(sx, 0, 0, self.glAxes.mLabels[0])
if y1 is not None:
#self.renderText(0, y1 + d*dy, 0, self.glAxes.mLabels[1])
self.renderText(0, sy, 0, self.glAxes.mLabels[1])
if z1 is not None:
#self.renderText(0, 0, z1 + d*dz, self.glAxes.mLabels[2])
self.renderText(0, 0, sz, self.glAxes.mLabels[2])
if True: #set axes origin
l = '{} {} {}'.format(x0,y0,z0)
self.renderText(V0.x()-0.1*dx,V0.y()-0.1*dy, V0.z()-0.1*dz, l)
# self.renderText(0.8, 0.8, 0.8, 'text 3D')
# self.renderText(5, 10, 'text 2D fixed')
self.qglColor(Qt.darkYellow)
self.renderText(5, 10, '(3D Mode still experimental)')
def contextMenuEvent(self, event):
assert isinstance(event, QContextMenuEvent)
menu = QMenu()
a = menu.addAction('Reset Camera')
a.triggered.connect(self.resetCamera)
menu.addSeparator()
# define grid options
m = menu.addMenu('Grids')
def gridVisibility(b):
for d in ['XY','XZ','YZ']:
self.glGridItem.set(d, visible=b)
self.glGridItem.update()
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
a = m.addAction('Show All')
a.setCheckable(False)
a.triggered.connect(lambda: gridVisibility(True))
a = m.addAction('Hide All')
a.setCheckable(False)
a.triggered.connect(lambda: gridVisibility(False))
m.addSeparator()
for i, dim in enumerate(['XY','XZ','YZ']):
a = m.addAction(dim)
a.setCheckable(True)
a.setChecked(self.glGridItem.mVisibility[i])
a.toggled.connect(lambda b, dim=dim:self.glGridItem.set(dim,visible=b))
m = menu.addMenu('Axes')
a = m.addAction('Show All')
a.setCheckable(False)
a.triggered.connect(lambda : self.glAxes.setAxes('xyz', visible=True))
a = m.addAction('Hide All')
a.setCheckable(False)
a.triggered.connect(lambda: self.glAxes.setAxes('xyz', visible=False))
m.addSeparator()
a = m.addAction('X')
a.setCheckable(True)
a.setChecked(self.glAxes.mVisibility[0])
a.toggled.connect(lambda b: self.glAxes.setX(visible=b))
a = m.addAction('Y')
a.setCheckable(True)
a.setChecked(self.glAxes.mVisibility[1])
a.toggled.connect(lambda b: self.glAxes.setY(visible=b))
a = m.addAction('Z')
a.setCheckable(True)
a.setChecked(self.glAxes.mVisibility[2])
a.toggled.connect(lambda b: self.glAxes.setZ(visible=b))
frame = QFrame()
layout = QGridLayout()
frame.setLayout(layout)
names = ['X','Y','Z']
for i, label in enumerate(self.glAxes.labels()):
dim = names[i]
layout.addWidget(QLabel(dim), i,0)
tb = QLineEdit()
tb.setText(label)
tb.textChanged.connect(lambda t, dim=dim : self.glAxes.setAxes(dim, label=t))
layout.addWidget(tb,i,1)
layout.setSpacing(1)
layout.setMargin(1)
frame.setMinimumSize(layout.sizeHint())
wa = QWidgetAction(menuLabels)
wa.setDefaultWidget(frame)
menuLabels.addAction(wa)
menu.exec_(self.mapToGlobal(event.pos()))
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
class GLTextItem(GLGraphicsItem):
def __init__(self, X=None, Y=None, Z=None, text=None):
GLGraphicsItem.__init__(self)
self.text = text
self.X = X
self.Y = Y
self.Z = Z
def setGLViewWidget(self, GLViewWidget):
self.GLViewWidget = GLViewWidget
def setText(self, text):
self.text = text
self.update()
def setX(self, X):
self.X = X
self.update()
def setY(self, Y):
self.Y = Y
self.update()
def setZ(self, Z):
self.Z = Z
self.update()
def paint(self):
self.GLViewWidget.qglColor(Qt.white)
self.GLViewWidget.renderText(self.X, self.Y, self.Z, self.text)
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
class Axis3D(GLAxisItem):
def __init__(self, *args, **kwds):
super(Axis3D, self).__init__(*args, **kwds)
self.mRanges = np.asarray([[0, 1], [0, 1], [0, 1]])
self.mColors = [QColor('white'), QColor('white'), QColor('white')]
self.mVisibility = [True, True, True]
self.mLabels = ['X', 'Y', 'Z']
def rangeMinima(self):
return self.mRanges[:, 0]
def rangeMaxima(self):
return self.mRanges[:, 1]
def setMinRanges(self, ranges):
self.mRanges[:,0] = ranges
def setMaxRanges(self, ranges):
self.mRanges[:,1] = ranges
def rangeSpan(self):
return self.mRanges[:,1] - self.mRanges[:,0]
def setAxes(self, ax, vMin=None, vMax=None, label=None, color=None, visible=None):
for c in ax:
i = ['x', 'y', 'z'].index(c.lower())
if vMin is not None:
self.mRanges[i][0] = vMin
if vMax is not None:
self.mRanges[i][1] = vMax
if color is not None:
self.mColors[i] = color
if label is not None:
self.mLabels[i] = label
if visible is not None:
self.mVisibility[i] = visible
self.update()
def setLabels(self, x,y,z):
self.mLabels = [x,y,z]
def labels(self):
return self.mLabels[:]
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
def setX(self, **kwds):
self.setAxes('x', **kwds)
def setY(self, **kwds):
self.setAxes('y', **kwds)
def setZ(self, **kwds):
self.setAxes('z', **kwds)
def paint(self):
self.setupGLState()
if self.antialias:
glEnable(GL_LINE_SMOOTH)
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST)
x0, y0, z0 = self.rangeMinima()
x1, y1, z1 = self.rangeMaxima()
#V0 = Vector(*self.rangeMinima())
#V1 = Vector(*self.rangeMaxima())
#T = self.transform()
#V0 = V0*T
#V1 = V1*T
#x0,y0,z0 = V0.x(), V0.y(), V0.z()
#x1, y1, z1 = V1.x(), V1.y(), V1.z()
glLineWidth(3.0)
glBegin(GL_LINES)
if self.mVisibility[0]:
glColor4f(*fn.glColor(self.mColors[0]))
glVertex3f(x0, y0, z0)
glVertex3f(x1, y0, z0)
if self.mVisibility[1]:
glColor4f(*fn.glColor(self.mColors[1]))
glVertex3f(x0, y0, z0)
glVertex3f(x0, y1, z0)
if self.mVisibility[2]:
glColor4f(*fn.glColor(self.mColors[2]))
glVertex3f(x0, y0, z0)
glVertex3f(x0, y0, z1)
glEnd()
glLineWidth(1.0)