LDFLAGS="-I<path-to-openssl>/include -L<path-to-openssl>/lib" pip install psycopg2
Kaveh Karimi-Asli ka7eh
ka7eh
/ leaflet_to_pdf.html
Created
April 12, 2016 16:55
An example for converting Leaflet maps to PDF using leaflet-image and jsPDF
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| <html> | |
| <head> | |
| <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.css"/> | |
| <style> | |
| #mapid{ | |
| height: 480px; | |
| } | |
| #download { | |
| position:absolute; |
ka7eh
/ 01_tilemaker.py
Last active
August 1, 2016 18:45
A simple tile maker, using mapnik and mercantile
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| """ | |
| requires: | |
| - mapnik 3.x and its python bindings (https://github.com/mapnik/mapnik) | |
| - mercantile==0.9.0 (https://github.com/mapbox/mercantile) | |
| """ | |
| import os | |
| import mapnik | |
| import mercantile |
ka7eh
/ loadDependencies.js
Created
November 19, 2016 22:37
Dynamic loading of js and css dependencies in DOM
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| function loadDependencies(deps, callback) { | |
| var dep = deps.shift(); | |
| if (dep['script'] && typeof(window[dep['lib']]) != dep['loadType'] || 'function') { | |
| var depScript = document.createElement('script'); | |
| depScript.type = 'text/javascript'; | |
| depScript.src = dep['script']; | |
| (document.getElementsByTagName('head')[0]).appendChild(depScript); | |
| } |
ka7eh
/ getStyle.js
Created
December 7, 2016 23:57
Returns all styling rules of the passed doc as a string
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| function getStyles(doc) { | |
| /** idea from https://github.com/NYTimes/svg-crowbar **/ | |
| var styles = '', | |
| styleSheets = doc.styleSheets; | |
| if (styleSheets) { | |
| for (var i = 0; i < styleSheets.length; i++) { | |
| processStyleSheet(styleSheets[i]); | |
| } | |
| } |
ka7eh
/ cssInliner.js
Created
December 8, 2016 00:00
Convert styling rules of an element into inline styling
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| function cssInliner(el) { | |
| var cssProperties = getComputedStyle(el, null); | |
| var cssText = ''; | |
| for (var i = 0; i < cssProperties.length; i++) { | |
| cssText += cssProperties[i] + ':' + cssProperties.getPropertyValue(cssProperties[i]) + ';' | |
| } | |
| el.style.cssText = cssText; | |
| for (var j = 0; j < el.childElementCount; j++) { |
ka7eh
/ geom_factory.py
Created
June 2, 2017 00:04
A factory for creating random polygons in a given extent
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| # requires pyproj and shapely | |
| import collections | |
| import functools | |
| import math | |
| import random | |
| import pyproj | |
| from shapely.geometry import box, point, polygon | |
| from shapely.ops import transform |
ka7eh
/ st_createfishnet.sql
Created
June 12, 2017 23:22
Creates a grid of `xsize*ysize` cells in a given extent
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| CREATE OR REPLACE FUNCTION ST_CreateFishNet( | |
| IN xsize double precision, | |
| IN ysize double precision, | |
| IN north double precision DEFAULT 0, | |
| IN east double precision DEFAULT 0, | |
| IN south double precision DEFAULT 1, | |
| IN west double precision DEFAULT 1) | |
| RETURNS SETOF geometry AS | |
| $BODY$ | |
| SELECT ST_Translate(cell, $6 + (i * $1), $5 + (j * $2)) AS geom |
ka7eh
/ qgis_model.py
Created
June 15, 2017 22:01
An example of how to load and run multiple QGIS algorithms outside of QGIS GUI
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| import os | |
| import sys | |
| from qgis.core import * | |
| from PyQt4.QtGui import * | |
| home = os.path.expanduser('~') | |
| sys.path.extend([ | |
| '/usr/share/qgis/python/plugins/processing', |
ka7eh
/ grid_for_bounding_box.sql
Created
February 5, 2019 19:20
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| CREATE OR REPLACE FUNCTION ST_GridFromBbox( | |
| IN x0 double precision, | |
| IN y0 double precision, | |
| IN x1 double precision, | |
| IN y1 double precision, | |
| IN xsize double precision, | |
| IN ysize double precision, | |
| OUT "row" integer, | |
| OUT col integer, | |
| OUT geom geometry) |
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