GeographicLib | , EGM2008 | Math library
kandi X-RAY | GeographicLib Summary
kandi X-RAY | GeographicLib Summary
This is a .NET/C# port of GeographicLib (- A library of classes to geographic, UTM, UPS, MGRS, geocentric, and local cartesian coordinates, for gravity (e.g., EGM2008), geoid height, and geomagnetic field (e.g., WMM2010) calculations, and for solving geodesic problems. The original library, written by C. F. F. Karney, is in C++ and while there is an existing .NET wrapper, this is a pure C# port of the original. This library is released under the MIT/X11 license (
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QUESTION
I am writing an executable Swift package where I need to use a system library (written in C++).
AFAIK I have the package.swift, module.modulemap and umbrella header file written correctly.
When I add an import
for the library in my main.swift
file I get an error 'stdexcept' file not found
. The error comes from an #include
in one of the system library's public header files.
Currently running:
- XCode v13.2.1
- macOS v12.2.1 (Monterey)
I think the problem is related to XCode's Command Line Tools but I'm not sure how to fix it. Help!
Package.swift
...ANSWER
Answered 2022-Feb-21 at 14:43Answering my own question. I was only able to get a working solution by creating a C wrapper package around the system library; that C wrapper package, in turn, is then wrapped with another Swift wrapper to expose 'Swifty-style' code - I was not able to get a single package that included all the required parts.
My working solution is as follows...
Package: CGeographicLibFolder structure for the the system library's C wrapper is:
QUESTION
I have a bunch of shapes (e.g. shapely LineString
s or Polygon
s) in a geopandas GeoDataFrame.
The shapes specify coordinates in a local 200x200 meters grid, i.e. all coordinates are between (0, 0) and (200, 200).
I now would like to "place" these lines globally. For this, I want to specify a GPS Point (with a given lat/lon) as a reference.
My first (naive) approach would be to use geographiclib, take all shapes' coords (in local X/Y) and apply the following transformation and "recreate" the shape:
...ANSWER
Answered 2021-Dec-17 at 16:09- given your origin is EPSG:4326, you can estimate the UTM zone
- with this you can get UTM zone coordinates of origin
- translate your custom 200x200 metre zone into co-ordinates of UTM zone
- finally use
to_crs()
to transform into EPSG:4326
QUESTION
So I have gone through the forums in search for an answer but haven't found one that works for me. I am using Windows machine and my Django application works on Localhost but when I try to deploy the same application to Heroku it gives me this error.
...ANSWER
Answered 2021-Nov-14 at 11:37In your current requirements.txt
you marked pywin32
with environment marker platform_system == "Windows"
. I think the syntax is wrong. The correct syntax from PEP 496 is:
QUESTION
data source: https://catalog.data.gov/dataset/nyc-transit-subway-entrance-and-exit-data
I tried looking for a similar problem but I can't find an answer and the error does not help much. I'm kinda frustrated at this point. Thanks for the help. I'm calculating the closest distance from a point.
...ANSWER
Answered 2021-Oct-11 at 14:21geopandas 0.10.1
- have noted that your data is on kaggle, so start by sourcing it
- there really is only one issue
shapely.geometry.MultiPoint()
constructor does not work with a filtered series. Pass it a numpy array instead and it works. - full code below, have randomly selected a point to serve as
gpdPoint
QUESTION
I am trying to calculate the bearing between true north and a point in the ocean (lat, long)
of (38.16418244422394, -38.933453981070926)
I read this post and this post and saw many different suggestions.
Using geographiclib
, I get a value of -38.806138500542176
. However calculating manually, I get 297.9944573116836
. Why am I getting two different answers? Which one is correct?
Minimal example:
...ANSWER
Answered 2021-Jul-13 at 16:48math.sin
and math.cos
take radians as arguments. Change the manual function to this (returning degrees at the end):
QUESTION
This question appears to have been answered before, but none of the answers helped in my case. First I should say that I've followed the OSMnx Installation steps exactly. Then tried to run the following code in a Jupyter Notebook:
...ANSWER
Answered 2021-May-13 at 04:04You have installed an extremely old version of OSMnx. Your conda list
output shows you have version 0.7.3 installed, and that was released 3 or 4 years ago. It's so old that it's incompatible with the modern features of GeoPandas and pyproj, including the modern CRS object that's causing your error. I'm not clear how you did it! My best guess is you installed using one of the old tags on this page, which do point to version 0.7.3.
This should be fixed by removing the old environment and then following the installation instructions here, like:
QUESTION
I am trying to get the address details from Latitude and Longitude using geopy.Nominatim module. Am getting "<'urlopen error [SSL: UNKNOWN_PROTOCOL] unknown protocol (_ssl.c:727)>" error.
...ANSWER
Answered 2021-May-03 at 08:03The error UNKNOWN PROTOCOL
is in all probability due to the fact that your request is going via a proxy.
I looked into your code mentioned in Workaround 2
. Please mention the proxy explicitly in your code. Try using below code lines:
QUESTION
I'm trying to configure OAuth authentication with GitHub apis, on Superset 1.0.1. Following the docs, I added the following lines in superset_config.py
ANSWER
Answered 2021-Mar-31 at 10:48Maybe I shouldn't have posted the question so early, since it was a very simple error ...
The OAUTH_PROVIDERS
variable should be an array!
QUESTION
Working in a Jupyter notebook, installed the package geopy
and restart kernel.
ANSWER
Answered 2020-Oct-13 at 06:02Try the following command in your default command line and in Jupyter notebook.
QUESTION
I a new to Web scraping and I want to extract the coordinates from the
ANSWER
Answered 2020-Aug-07 at 16:11To extract link and coordinates from this HTML text, you can use this script:
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