Thanks for the complement :) The project is freely clonable at https://gitlab.com/ficsresearch/cdef
On Saturday, June 6, 2020 at 11:46:34 PM UTC-4, Trần Anh wrote: > > I don't know the answer, but I just want to say you made a pretty nice > application there. > > Thanks & Regards > Anh Tran > > > On Sun, 7 Jun 2020 at 12:27, Nathan Jessurun <[email protected] > <javascript:>> wrote: > >> In other words, is there any way to either >> >> 1. Make sigClicked somehow give the data of adjacent points or >> 2. Make sigPointsClicked fire when clicking an adjacent line segment? >> 3. (Or some alternative I'm not thinking of) >> >> Being new to Google groups posting I thought I could edit my original. >> Since I can't find a way, here is some sample code: >> import pyqtgraph as pg >> import numpy as np >> >> tri = np.array([[0,0], [0,5], [5,5], [0,0]]) >> nans = np.array([[np.nan, np.nan]]) >> tris = [] >> datas = [] >> for ii in np.arange(0, 16, 5): >> tris.append(tri + ii) >> tris.append(nans) >> datas.extend([ii]*5) # One data for each point >> tris = np.vstack(tris) >> datas = np.array(datas) >> >> def ptsClicked(item, pts): >> print(f'ID {pts[0].data()} Clicked!') >> >> app = pg.mkQApp() >> triItem = pg.PlotDataItem(x=tris[:,0], y=tris[:,1], data=datas, symbol= >> 'o') >> triItem.sigPointsClicked.connect(ptsClicked) >> w = pg.PlotWindow() >> w.plotItem.addItem(triItem) >> w.show() >> app.exec() >> >> >> >> On Saturday, June 6, 2020 at 9:44:36 PM UTC-4, Nathan Jessurun wrote: >>> >>> Hi there, >>> >>> My overall goal is to have several clickable regions overlaid on an >>> image, and if the plot boundary of any region is clicked I get a signal >>> with the ID of that region. Something like this: >>> I tried making each boundary a separate plot data item, but I have 1000s >>> of bounds that update frequently so it lagged a ton. So, I just used >>> connect='finite' within the same plot item to make it much faster. >>> >>> However, now I can't give a separate ID to each boundary. I have to make >>> the vertices stand out, and connect to sigclicked(...pts) instead: >>> >>> This works, but I'd love to be able to click anywhere on one of the line >>> segments for the same effect. Is there any way to make this happen? >>> >>> Relevant code is just a PlotDataItem on a plot widget. >>> >>> Thanks! >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "pyqtgraph" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/pyqtgraph/fb10aa48-efe9-40f9-ae3e-553c1998d8e0o%40googlegroups.com >> >> <https://groups.google.com/d/msgid/pyqtgraph/fb10aa48-efe9-40f9-ae3e-553c1998d8e0o%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "pyqtgraph" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/pyqtgraph/2c882415-1290-4111-a30b-755a6ceb9088o%40googlegroups.com.
