GeoDjango: Putting Django on the Map

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17 gostaram•3,506 visualizações

Gareth Lloyd

Introduction to GeoDjano. Django Weekend Cardiff

Tecnologia Educação

GeoDjango:
Putting Django on the Map

Sunday, 9 February 2014

Tobler’s First Law of Geography:
"Everything is related to everything
else, but near things are more
related than distant things."
Tobler, W. (1970) "A computer movie simulating urban growth in the Detroit region". Economic
Geography, 46(2): 234-240.

Sunday, 9 February 2014

•

Install PostGIS (postgis.net/install/)

•
•
•

You can use other dbs, but...

Install libraries (docs.djangoproject.com/...)
Add django.contrib.gis to INSTALLED_APPS and you’re hot
to trot

Sunday, 9 February 2014

Deﬁning GeoDjango Models

Sunday, 9 February 2014

Creating Geographically Related Instances

Sunday, 9 February 2014

One advantage of modelling geographic relationships this way:

Sunday, 9 February 2014

What’s in the database?

Sunday, 9 February 2014

Using Spatial Relationships
Possible places to check in

Nearest restaurant

Within user-deﬁned area

Sunday, 9 February 2014

The closest bar I’ve been to before

The most popular bar in London

Sunday, 9 February 2014

Lookup Type
bbcontains
bboverlaps
contained
contains
contains_properly
coveredby
covers
crosses
disjoint
distance_gt
distance_gte
distance_lt
distance_lte
dwithin
equals
exact
intersects
overlaps
relate
same_as
touches
within
left
right
overlaps_left
overlaps_right
overlaps_above
overlaps_below
strictly_above
strictly_below
Sunday, 9 February 2014

PostGIS
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Oracle

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SpatiaLite MySQL
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Time to output for the web

Sunday, 9 February 2014

The Admin Interface

Sunday, 9 February 2014

https://www.sharegeo.ac.uk/
Sunday, 9 February 2014

Postcodes

https://github.com/gareth-lloyd/postcode_latlng

Sunday, 9 February 2014

Thank you!
London Django Coding Session - Biweekly
Hosted by:

Conversocial - always hiring Django people
@godawful
glloyd@gmail.com
Sunday, 9 February 2014

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GeoDjango: Putting Django on the Map

1. GeoDjango: Putting Django on the Map Sunday, 9 February 2014

2. Tobler’s First Law of Geography: "Everything is related to everything else, but near things are more related than distant things." Tobler, W. (1970) "A computer movie simulating urban growth in the Detroit region". Economic Geography, 46(2): 234-240. Sunday, 9 February 2014

3. Sunday, 9 February 2014

4. Here be dragons Sunday, 9 February 2014

5. Sunday, 9 February 2014

6. Sunday, 9 February 2014

7. • Install PostGIS (postgis.net/install/) • • • You can use other dbs, but... Install libraries (docs.djangoproject.com/...) Add django.contrib.gis to INSTALLED_APPS and you’re hot to trot Sunday, 9 February 2014

8. Deﬁning GeoDjango Models Sunday, 9 February 2014

9. Creating Geographically Related Instances Sunday, 9 February 2014

10. One advantage of modelling geographic relationships this way: Sunday, 9 February 2014

11. What’s in the database? Sunday, 9 February 2014

12. GEOS Instances Sunday, 9 February 2014

13. Using Spatial Relationships Possible places to check in Nearest restaurant Within user-deﬁned area Sunday, 9 February 2014

14. The closest bar I’ve been to before The most popular bar in London Sunday, 9 February 2014

15. Lookup Type bbcontains bboverlaps contained contains contains_properly coveredby covers crosses disjoint distance_gt distance_gte distance_lt distance_lte dwithin equals exact intersects overlaps relate same_as touches within left right overlaps_left overlaps_right overlaps_above overlaps_below strictly_above strictly_below Sunday, 9 February 2014 PostGIS X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Oracle X SpatiaLite MySQL X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X

16. Time to output for the web Sunday, 9 February 2014

17. The Admin Interface Sunday, 9 February 2014

18. https://www.sharegeo.ac.uk/ Sunday, 9 February 2014

19. + Sunday, 9 February 2014 =

20. + Sunday, 9 February 2014 =

21. Postcodes https://github.com/gareth-lloyd/postcode_latlng Sunday, 9 February 2014

22. Thank you! London Django Coding Session - Biweekly Hosted by: Conversocial - always hiring Django people @godawful glloyd@gmail.com Sunday, 9 February 2014

GeoDjango: Putting Django on the Map

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