def _demo_ModelChooserImage():
import sys
from taurus.qt.qtgui.tpg import TaurusImgModelChooserTool, TaurusImageItem
from taurus.qt.qtgui.application import TaurusApplication
import pyqtgraph as pg
app = TaurusApplication()
w = pg.PlotWidget()
img = TaurusImageItem()
# Add taurus 2D image data
img.setModel("eval:rand(256,256)")
w.addItem(img)
w.showAxis("left", show=False)
w.showAxis("bottom", show=False)
tool = TaurusImgModelChooserTool()
tool.attachToPlotItem(w.getPlotItem())
w.show()
tool.trigger()
sys.exit(app.exec_())
def _onTriggered(self):
imageItem = None
for item in self._plot_item.items:
if isinstance(item, TaurusImageItem):
imageItem = item
break
if imageItem is None:
imageItem = TaurusImageItem()
modelName = imageItem.getFullModelName()
if modelName is None:
listedModels = []
else:
listedModels = [modelName]
res, ok = TaurusModelChooser.modelChooserDlg(
selectables=[TaurusElementType.Attribute],
singleModel=True,
listedModels=listedModels,
)
if ok:
if res:
model = res[0]
else:
model = None
imageItem.setModel(model)