|
|
|
@ -35,16 +35,25 @@ void show_histogram_svg(const vector<double>& marks, const vector<double>& chart
|
|
|
|
|
const auto TEXT_WIDTH = 50;
|
|
|
|
|
const auto BIN_HEIGHT = 30;
|
|
|
|
|
const auto BLOCK_WIDTH = 10;
|
|
|
|
|
double min = 0, max = 0, scale = 1;
|
|
|
|
|
double min = 0, max = 0, scale = 1, average = 0, sum = 0;
|
|
|
|
|
int maxlen = IMAGE_WIDTH - TEXT_WIDTH;
|
|
|
|
|
svg_begin(4000, 300);
|
|
|
|
|
double top = 0;
|
|
|
|
|
for (double x : chart) {
|
|
|
|
|
sum += x;
|
|
|
|
|
}
|
|
|
|
|
average = sum / chart.size();
|
|
|
|
|
FindMinMax(chart, min, max);
|
|
|
|
|
scale = max * BLOCK_WIDTH / maxlen;
|
|
|
|
|
for (double bin : chart) {
|
|
|
|
|
double bin_width = BLOCK_WIDTH * bin;
|
|
|
|
|
svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string((int)bin));
|
|
|
|
|
svg_rect(TEXT_WIDTH, top, bin_width / scale, BIN_HEIGHT);
|
|
|
|
|
if (bin > average) {
|
|
|
|
|
svg_rect(TEXT_WIDTH, top, bin_width / scale, BIN_HEIGHT, "yellow", "red");
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
svg_rect(TEXT_WIDTH, top, bin_width / scale, BIN_HEIGHT, "yellow", "green");
|
|
|
|
|
}
|
|
|
|
|
top += BIN_HEIGHT;
|
|
|
|
|
}
|
|
|
|
|
svg_end();
|
|
|
|
|