Python interface to PROJ.4 library. Performs cartographic transformations and geodetic computations.
Questions tagged [pyproj]
184 questions
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votes
2 answers
How to convert the SQL geometry type to latitude (-90,90) and longitude (-180,180) in mssql?
I have a list of data with geometry column in the format of 0x6A7F0000010D340AF.
I wand to retrieve the latitude and longitude in the range of (-90,90) and (-180,180). I have tried the following code:
select geom.STY as lat, geom.STX as lon
from…

NaHa
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1 answer
Winkel Tripel projection in Geopandas
I would like to use the Winkel Tripel projection with GeoPandas 0.8.1
Consider the following example.
import geopandas as gpd
world = gpd.read_file(gpd.datasets.get_path('naturalearth_lowres'))
world = world[(world.name != "Antarctica") &…

BdB
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Recover third coordinate from two coordinates and corners
I have 3 geographic coordinates
first_coordinate = [55.266346, 25.053268]
second_coordinate = [55.266472, 25.053311]
third_coordinate = [55.266370, 25.0532]
Then I convert them into EPSG:3997:
def convert(point):
return…

native1989
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1 answer
Installation pyproj does not work returned 127
I want to install pyproj on Debian on Docker.
This is my script:
FROM debian:latest
RUN /bin/bash -c 'apt-get update && \
DEBIAN_FRONTEND=noninteractive apt-get install -yq apt-utils && \
DEBIAN_FRONTEND=noninteractive apt-get install -yq \
…

Leo
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1 answer
Python - Pyproj Transform Returns inf for Blank Cell in CSV. How to ignore blank cell?
My Python code converts latitude and longitude using pyproj. It reads this from an existing CSV file and writes a new CSV file with new code.
When it comes across a blank cell within the existing CSV file it writes in the cell of the new CSV file…

Beaucoupnice
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- 6
0
votes
1 answer
Read CSV, Change 2 Columns using pyproj Transform and save to new CSV
I'm very new to Python so apologies for my lack of understanding.
I need to read in 2 columns (latitude & longitude) of a 4 column CSV file.
Example below.
ShopName Misc latitude longitude
XXX 3 999999 999999
I then have…

Beaucoupnice
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- 6
0
votes
1 answer
Failed to build a docker container with pyproj
I'm trying to build a docker container that should contain pyproj package. I prefer to stay with python:3-alpine since it is so far the only way I have managed to install a python mariaDB client (hence the other docker commands).
My Dockerfile
FROM…

Tars Morel
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1 answer
How to create a scalebar using cartopy and matplotlib?
in respect to the previous examples in stackoverflow, I searched for other alternatives in order to create a scalebar.
In my research, I verified that the Basemap class from mpl_toolkits.basemap see here. It has the "drawmapscale" method. This…

Philipe Riskalla Leal
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RuntimeError: b'no arguments in initialization list' (folium)
I have a problem, that I saw in several other questions : the following error message
RuntimeError: b'no arguments in initialization list'
when I execute this code :
m = folium.Map([43.7,7.2], zoom_start=12,…

Elise1369
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0
votes
1 answer
pyproj unexpectedly returns nan for azimuth (bearing)
I am trying to use pyproj inverse to get the forward bearing, backward bearing, and distance between two points, as discussed in the first answer here. However, I get 'nan' for any tries. As far as I know, I'm using the right ellipsoid. A related…

a11
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1 answer
Convert x,y to latitiude and longitude
If I have a map image where:
The latitude and longitude of the upper left corner (x=0, y=0) are known
The width and height of the image is known
Zoom (z-axis) is known.
Can we compute the latitude and longitude for other coordinates in the…

Adham Enaya
- 780
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0
votes
1 answer
Installation of pyproj wheel file
Installations:
Windows 10, 64 bit.
Python 3.6.5
I am trying to execute pip install -r pyproj-1.9.6-cp36-cp36m-win_amd64.whl command.
However getting below error:
ERROR: Exception:
Traceback (most recent call last):
File…

Snehal Kakade
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votes
1 answer
How to speed up projection conversion?
I want to project many coordinates. For example, 4 million coordinates.
First, I tested with 100 coordinates. The test result was 13.95 sec.
In calculation, it takes 155 hours to process 4 million coordinates.
Is there a good way to get results as…

Evan.Titer
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1 answer
How do I change the crs projection using Geopandas in Python?
I'm trying to change the .crs from a cilindrical projection (WGS84 (lat/lon)) to a Mercator-projection.
Some information can be found here (https://geopandas.org/projections.html). However it doesn't seem to work for me for this shapefile of…

Matthi9000
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0
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0 answers
pip install pyproj fails with PermissionError
I am tearing my hair out here! I have this working in Gentoo on my main PC, now moving the program to a different server.
I am running Ubuntu 16 with a Python 3.7 Virtual Environment setup. I am in the venv environment.
I have set the PROJ_DIR to…

themetman
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