s2-playground's Introduction

s2-playground

Convert polygons to S2 cells & vice versa.

Running the app locally

First off, install requirements:

pip install -r requirements.txt

The Flask application can be started with

FLASK_APP=service.py flask run

This will just run the development server.

Another option is to use uWSGI's HTTP server mode. A sample command has been added to entrypoint.sh bash script.

Running ./entrypoint.sh dev will run the uWSGI HTTP server with hot-reload option enabled, so all changes applied to the codebase will trigger a server restart.

Running containerized app

docker build -t s2playground .

docker run --rm -p 8080:80 s2playground

Head over to 127.0.0.1:8080 and enjoy.

Installing Python port of S2Geometry

The following commands will work on Mac OS Mojave 10.14 with PyCharm IDE & its Python 3.7 venv.

Install deps

brew install swig gflags glog openssl

Clone repo in venv directory

cd venv && git clone [email protected]:google/s2geometry.git && cd s2geometry

Download & unzip googletest suite

wget https://github.com/google/googletest/archive/release-1.8.0.zip && unzip release-1.8.0.zip

Create build directory

mkdir build && cd build

Configure cmake

cmake -DCMAKE_INSTALL_PREFIX:PATH=/path/to/pycharm/venv -DOPENSSL_ROOT_DIR=/usr/local/Cellar/openssl/1.0.2q -DOPENSSL_LIBRARIES=/usr/local/Cellar/openssl/1.0.2q/lib -DGTEST_ROOT=./googletest-release-1.8.0/googletest ..

Build & install the S2 Python library (available as pywraps2)

make && make install

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