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Accessing SVG World Map. Trying to modify but keeps coming up as black

[4 Replies]
- 25-Nov-2010 03:16 PM
- Forum: Programming Questions
Hi. I'm new to Processing and I'm working on a small project.

I've got a map of Africa which I'm working with. I can load it fine. But as soon as I try and select a country to modify I get no errors but the modifications don't show.

For example...

I'm using the following SVG map from wikipedia : http://upload.wikimedia.org/wikipedia/commons/f/f9/BlankMap-Africa.svg
2. PShape africa;
3. PShape country;
5. void setup() {
6. size( 1000, 1000 );
7. africa = loadShape( "BlankMap-Africa.svg" );
8. smooth();
9. noLoop();
10. }
12. void draw() {
13. background( 255 );
14. shape( africa, 0, 0 );
15. setCountryColour();
16. saveFrame( "/Users/KJ/Documents/Processing/frames/africa_population.png" );
17. }
19. void setCountryColour() {
20. country = africa.getChild( "dz" );
21. if (country == null ) {
22. println( "no country found" );
23. }
24. else {
25. println( "country found" );
26. }
27. country.disableStyle();
28. fill( 0, 0, 255 );
29. noStroke();
30. shape( country, 0, 0 );
31. }
The code above should set Algeria to Blue. However when I run the code above all I get is a black SVG output to the screen. Country is also not null so I know Algeria has been found in the SVG file.
Hoping someone can help me with this.

KJ

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