diff options
| -rw-r--r-- | worksheets/a1_textrain.md | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/worksheets/a1_textrain.md b/worksheets/a1_textrain.md index 6ce1142..7849594 100644 --- a/worksheets/a1_textrain.md +++ b/worksheets/a1_textrain.md @@ -42,7 +42,7 @@ In the code block below, write the equation for obtaining the index in the 1D array from a (row, column) in the 2D pixels array. Keep in mind you can use information from `inputImg` to help you. -``` +```java PImage inputImg = loadImage("test.jpg"); // your code should work for any valid values for row and column, we've @@ -51,7 +51,7 @@ int row = 2; int column = 2; // write your answer in terms of the row and column defined above -int index1D = /* --- Fill this in --- */; +int index1D = row * inputImg.width + column; ``` @@ -73,8 +73,10 @@ final int threshold = 128; // Returns: thresholded color (black or white) color thresholdPixel(color inputPixel) { - - /* --- Fill this in --- */ - + if blue(inputPixel) < threshold { + return color(0); + } else { + return color(255); + } } ``` |