snorfalorpagus

from shapely.geometry import Point, LineString, Polygon, GeometryCollection, MultiLineString
from shapely.ops import polygonize, unary_union, nearest_points
from shapely.wkt import loads as load_wkt

def split_polygon_line(polygon, line):
    """Split a Polygon with a LineString"""
    assert(isinstance(polygon, Polygon))
    assert(isinstance(line, LineString))
    boundary = polygon.boundary
    union = boundary.union(line)

perrygeo

#!/bin/bash
# 
# tile_georef.sh
#
# Grab an mapbox ZYX tile and save as a geotiff with geoferencing
#   tile_georef.sh 13 4168 3197 mapbox.satellite output.tif
#

set -u

kgjenkins

samuelestabrook

Fix Qt for Homebrew QGIS install

Go to terminal and roll back the Qt installation through GitHub

$ brew uninstall qt

$ brew install https://raw.githubusercontent.com/Homebrew/homebrew/8dd3478131b232553f4c0cab197f8443a0a559a6/Library/Formula/qt.rb

coolaj86

Please petition Github to support HTTPS on github pages: https://github.com/contact

Here's what I wrote:

Obviously, a lot of people want HTTPS for github pages:

• isaacs/github#156

Until recently, that would be difficult to implement but, as it turns out, the implementation is pretty much complete:

• https://letsencrypt.org >* https://github.com/letsencrypt/lets-encrypt-preview

mangecoeur

This small subclass of the Pandas sqlalchemy-based SQL support for reading/storing tables uses the Postgres-specific "COPY FROM" method to insert large amounts of data to the database. It is much faster that using INSERT. To acheive this, the table is created in the normal way using sqlalchemy but no data is inserted. Instead the data is saved to a temporary CSV file (using Pandas' mature CSV support) then read back to Postgres using Psychopg2 support for COPY FROM STDIN.

sgillies

A Rasterio dataset's index() method gives you the row, col index of the pixel containing the point x, y (in the dataset's CRS units).

Define a 1x1 pixel read window starting at that index (see the tiny_window() function below) and use it to read an ndarray. The one in this case has shape (3, 1, 1): 3 bands, 1 row, and 1 column. The values of the 3 bands at the point x, y for this case are 28, 29, and 27.

dalekunce

Mac OS X GIS Setup

OS X Preferences

---

# Expand save panel by default
defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool true

tibbe

import Control.Monad
import Control.Concurrent
import Data.Int
import System.Environment

sendSidewards :: Chan Int -> Chan Int -> IO ()
sendSidewards from to = do
	      n <- readChan from
	      writeChan to n
	      sendSidewards from to

jkbrzt

#!/bin/sh
#
# Delete Python's compiled *.pyc and __pycache__ files like a pro
# https://gist.github.com/jakubroztocil/7892597
#
# Usage:
# Delele *.pyc and __pycache__ files recursively in the current directory:
# $ pyc  
# 
# The same, but under /path: