more manual fixups to GettingStarted tutorial

Dane Springmeyer 2011-11-21 02:42:07 -08:00
parent 007716312b
commit 6395701666
2 changed files with 12 additions and 12 deletions

@ -6,9 +6,9 @@
# Tutorial 1 -- 'Hello,world!' in Python
== Step 1 ==
## Step 1
Make sure you have mapnik installed. Depending on your installation path you may need to modify your PYTHONPATH, /etc/ld.so.conf or export LD_LIBRARY_PATH, or whatever your system requires.
Make sure you have mapnik installed. Depending on your installation path you may need to modify your `PYTHONPATH`, `/etc/ld.so.conf` or export `LD_LIBRARY_PATH`, or whatever your system requires.
The simple check is to start python interpreter from a command line by typing python
and then just type:
@ -19,6 +19,7 @@ and then just type:
```
and if you don't see any complaints, you're on the right track. If you do, you have to check your installation again.
* Note: If you have built mapnik in debug mode you should see the available datasources listed, including:
```python
@ -32,13 +33,14 @@ registered datasource : shape
## Step 2
The code below can be pasted into your python interpreter. Ideally paste line by line so you can confirm each step is working. The commented lines (#) should be able to be pasted without trouble, but depending on your interpreter setting may cause errors.
* See the code snippet in Step 3 for code without comments.
Import the mapnik python toolkit and setup the basic map parameters
```
# import mapnik python bindings
import mapnik
# Instantiate a map object with given width, height and spatial reference system
m = mapnik.Map(600,300,"+proj=latlong +datum=WGS84")
# Set background colour to 'steelblue'.
@ -98,21 +100,19 @@ Finish up by making the world map image
mapnik.render_to_file(m,'world.png', 'png')
# Exit the python interpreter
exit()
exit() # or ctrl-d
```
Then back in your normal shell type:
``sh
```sh
# On a mac
open world.png
# On windows
start world.png
```
Or navigate to your base directory and open world.png and the result should look like this:
[[BR]]
[[Image(world.png)]]
Or navigate to your base directory and open world.png and the result should look like this: ![world.png]
## Step 3
@ -174,7 +174,7 @@ start world.py && start world.png
* Run this way the script will continually write over and open the world.png map.
* Now you can easily open the script in a separate text editor and try changing the dimensions, colors, or datasource (remember to use the correct projection).
To view the XML approach to make this same map head over to [XmlGettingStarted / Tutorial 2](/wiki:XMLGettingStarted/) which shows the use of XML map configurations.
To view the XML approach to make this same map head over to [XmlGettingStarted / Tutorial 2](XMLGettingStarted) which shows the use of XML map configurations.
To download this script along with other tutorial scripts see: http://code.google.com/p/mapnik-utils/

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