Doing simple operations with itertools combinatorics? Question: I have a python dataset that has the following structure: cluster pts lon lat 0 5 45 24 1 6 47 23 2 10 45 20 As you can see, I have a column that refers to a cluster, the number of points within a cluster, the representative …
How to tune extended kalman filter on PyKalman? Question: I would like to correct some predicted vehicular variables: latitude, longitude, speed, heading and acceleration. Inside the following code, there are the values of those variables. There are 20 samples, the first 10 samples are the original data and the last 10 samples the predicted ones. …
Is there a way to process point in area faster in Python? shapely implementation Question: I have attempted to try in Python the same thing I achieve in a GIS Software. I have 51 centroids to compare to 90,000+ parcels and find the overlap. It seems that my script is working (which I am happy …
Python: Trouble running any additional queries on Geopy output? Question: have encountered the following – Struggling to wrap my head around it. Have some data that looks like this: I’ve written the following Python that works out the distance between the 2 sets of coordinates: from geopy import distance # Calculate distance between 2 sets …
Coordinate problems and inverted map Question: I’m using the salinity data of ORAS5 and the preview variables and information: salinity =xr.open_dataset(‘….salinity_ORAS5.nc’) sal = salinity[‘sosaline’] So, the big problem is each "nav_lon" and "nav_lat" have 2D in x and y. Where in the normal case, for example, the lat data have 1D. sal.nav_lon In the preview …
Find boundary points of xy coordinates Question: I have a text file with xy-coordinates called xy.txt. 29.66150677 -98.39336541 29.66150677 -98.39337576 29.66150651 -98.39336541 29.66150328 -98.39337576 29.66150677 -98.39336475 29.66150677 -98.39338611 29.66150393 -98.39338611 29.66150677 -98.39339646 29.66150659 -98.39339646 29.66150677 -98.39339693 29.66151576 -98.39334472 29.66151576 -98.39335506 29.66151511 -98.39334472 29.66151058 -98.39335506 29.66151576 -98.39334322 29.66151576 -98.39336541 29.66151576 -98.39337576 29.66151576 -98.39338611 29.66151576 -98.39339646 29.66151576 …
With a dataframe that contains coordinates, find other rows with coordinates within n miles of each row Question: I’ve been going around in circles and I can’t figure out the right way to do this. Ok so I have several dataframes. Within each dataframe I have coordinates in column d[‘LATITUDE’] and d[‘LONGITUDE’]. I want to …
How to find the shortest path between two coordinates in a 2-dimensional array? Question: I am trying to find the shortest way to get from one point in a 2D array (one coordinate with x and y values representing its position in the array) to another. I would like to output an array of coordinates …
Moving in 2D coordinate plane, keeping track of position and distance from the origin Question: So i’m trying to make a code (mainly using class) that would allow me to make a robot move (imagine there’s a coordinate plane) starting from the center (0,0) UP, DOWN, LEFT or RIGHT. We were task to have the …
How to get the screen position of `QMainWindow` and print it? Question: I’m trying to get the screen position of QMainWindow and print the position (x,y) values. I have tried both self.pos() and self.mapToGlobal(self.pos()) and both of these return 0. import sys from PyQt5.QtWidgets import QApplication, QMainWindow class MainWindow(QMainWindow): def __init__(self): QMainWindow.__init__(self) self.resize(400, 200) # …
