我使用PyQtGraph ImageView来显示多维数据。
向这样的ImageView添加轴标签和标题的最简单方法是什么?
我尝试向底层ViewBox添加一个LabelItem。我认为正确定位它需要破解底层布局。这是可行的方法,还是有更简单的方法?
import numpy as np
from pyqtgraph.Qt import QtCore, QtGui
import pyqtgraph as pg
app = QtGui.QApplication([])
# make ImageView with test data
imv = pg.ImageView()
data = np
我想从pyqtgraph创建一个可执行文件,
最后,我尝试了这个教程。
在第一次运行示例中的编译代码后,本教程指出应该会出现如下错误消息
Traceback (most recent call last):
File "simpleApp.pyw", line 6, in <module>
File "pyqtgraph\__init__.pyc", line 107, in <module>
File "pyqtgraph\__init__.pyc", line 89, in importAll
WindowsErro
我定义了一个函数来使用pyqtgraph对数据进行切片。当关闭主窗口并再次运行函数时,我遇到了一个RuntimeError:wrapped C/C++ object of type ViewBox has been deleted。我的函数如下: import numpy as np
from pyqtgraph.Qt import QtCore, QtGui
import pyqtgraph as pg
def dp_select(dp):
app = pg.mkQApp("NBED selection")
## Create window with two
我有一系列用以下Python (2.7)代码生成的图像:
import numpy as np
import pyqtgraph as pg
data = np.ones((230,10,10)) #for example; not quite the data that resulted in this image, but the numbers themselves are not the focus
img = pg.image(data)
pg.QtGui.QApplication.exec_()
如何从底图中获得相应的“x”值?此外,如何从上面的图中的每个正方形中获得相应的(x,y