walkermatt

A

Description	Entity	Preview
A With Acute, Latin Capital Letter	Á	Á
A With Acute, Latin Small Letter	á	á
A With Breve, Latin Small Letter	ă	ă
A With Caron, Latin Small Letter	ǎ	ǎ
A With Circumflex, Latin Capital Letter	Â	Â
A With Circumflex, Latin Small Letter	â	â

walkermatt

Chalice Dev AWS IAM Policy

AWS IAM Policy suitable for assigning to a user developing Chalice applications. Allows the developer sucessfully execute chalice deploy, chalice delete and chalice logs

Derived from comments on chalice/issues/59, extended by trial and error :-)

Subsitute YOUR-AWS-REGION in chalice-dev-iam-policy.json with the region you are deploying to, for example eu-west-1.

AWS profiles

walkermatt

The day the build broke 😔

The tale of a broken build and breaking changes...

---

And so the story begins...

• ol-ishare is built automatically each time a change is committed to the repository
  • Formatting of source code is checked (linting)

walkermatt

npx @marp-team/marp-cli --template bare -o ol-layerswitcher-typescript.html presentation.md

walkermatt

function escapeAsCsv(str) {
    // Double up double quotes and quote the entire string if necessary
    if (str.includes(',') || str.includes('\n') || str.includes('"')) {
        return '"' + str.replace(/"/g, '""') + '"';
    }
    return str;
}

// Export Confluence table as CSV
// Select the tbody element in Chrome devtools Elements panel then run the

walkermatt

// OpenLayers. See https://openlayers.org/
// License: https://raw.githubusercontent.com/openlayers/openlayers/master/LICENSE.md
// Version: v4.5.0-70-gfca0b07
;(function (root, factory) {
  if (typeof exports === "object") {
    module.exports = factory();
  } else if (typeof define === "function" && define.amd) {
    define([], factory);
  } else {
    root.ol = factory();

walkermatt

""" Minimal MapProxy Middleware demonstrating wrapping MapProxy and working
    with the query string

To run:
  1. Install MapProxy in a virtual enviroment together with Gunicorn
  2. Create a basic MapProxy config and copy this file into the same directory as mapproxy.yaml
  2. Activate virtual environment
  3. Change to the directory containing this file
  4. Run:
      gunicorn -k eventlet --workers=1 --log-file=- mapproxy_filter:application

walkermatt

# Just the selected features
layer = iface.activeLayer()
for feature in layer.selectedFeatures():
    print feature['name']

# Filter by current extent of the map 
extent = iface.mapCanvas().extent()
request = QgsFeatureRequest()
request.setFilterRect(extent)
layer = iface.activeLayer()

walkermatt

import itertools
import qgis
from qgis.gui import QgsMessageBar
from qgis.core import QgsMapLayer


def layer_info(layer):
    print "Layer name: %s" % layer.name()
    print "CRS: %s" % layer.crs().authid()
    print "Extent: %s" % layer.extent().asWktCoordinates()

walkermatt

Python psycopg2 & PostGIS

Load some data into the database

From the OSGeo4W Shell

ogr2ogr -f PostgreSQL PG:"dbname=postgis host=localhost user=postgres password=postgres" -a_srs "EPSG:27700" county_region.shp -nlt MULTIPOLYGON

Use psycopg2 in the Python Interpreter