Processing the blue marble

Processing 3.5.4 java:

A code to plot the Earth

int rows, cols;
int w = 1600;
int h = 2200;
int scl;
float[][] land;
float forward = 0;

void setup(){
  size(600, 800, P3D);
  frameRate(30);
  scl = 20;
  rows = h/scl;
  cols = w/scl;
}

void draw(){
  forward -= 0.1;
  float y_ = forward;
  land = new float[cols][rows];
  for (int y = 0; y < rows; y++){
    float x_ = 0;
    for (int x = 0; x < cols; x++){
      land[x][y] = map(noise(x_,y_), 0, 1, -80, 170);
      x_ += 0.1;
    }
    y_ += 0.1;
  }
  background(0);
  translate(width/2, height/2 + 100);
  rotateX(PI/3.2); 
  translate(-w/2, -h/2);
  
  for (int y = 0; y < rows-1; y++){
    beginShape(TRIANGLE_STRIP);
    for (int x = 0; x < cols; x++){
      if (land[x][y] > 80) {
        fill(255);
      }
      else if (land[x][y] > 50) {
        fill(#567d46);
      }else if (land[x][y] > 30) {
        fill(#FFFF00);
      }
      else{
        fill(0, 0, 190);
      }
      vertex(x*scl, y*scl, land[x][y]);
      vertex(x*scl, (y+1)*scl, land[x][y+1]);
    }
    endShape();
  }
  saveFrame();
}