1 | static DoublePt centroidForColorPredicate(F1<Int, Bool> pred, RGBImage img) {
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2 | int w = img.getWidth(), h = img.getHeight(); |
3 | double sumX = 0, sumY = 0; |
4 | int sum = 0; |
5 | for y to h: for x to w: |
6 | if (pred.get(img.getInt(x, y))) {
|
7 | sumX += x; |
8 | sumY += y; |
9 | ++sum; |
10 | } |
11 | if (sum == 0) null; |
12 | ret DoublePt(sumX/sum, sumY/sum); |
13 | } |
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| Snippet ID: | #1022948 |
| Snippet name: | centroidForColorPredicate - may return null |
| Eternal ID of this version: | #1022948/9 |
| Text MD5: | 73facaced81d99343a2cdc70998f85f5 |
| Author: | stefan |
| Category: | javax / a.i. |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2019-04-15 04:18:21 |
| Source code size: | 357 bytes / 13 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 294 / 344 |
| Version history: | 8 change(s) |
| Referenced in: | [show references] |