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luci-mod-admin-full: improve Y-axis scaling in bandwidth graph

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Calculate a peak that causes the vertical scale to use even values.

Fixes #1424.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2018-07-03 10:56:50 +02:00
parent 9f2672f2cc
commit 7b43e67219
1 changed files with 11 additions and 5 deletions
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16
modules/luci-mod-admin-full/luasrc/view/admin_status/bandwidth.htm
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@ -209,10 +209,16 @@
data_rx_avg = (data_rx_avg / Math.max(data_rx.length, 1));
data_tx_avg = (data_tx_avg / Math.max(data_tx.length, 1));
var size = Math.floor(Math.log2(data_max)),
div = Math.pow(2, size - (size % 10)),
mult = data_max / div,
mult = (mult < 5) ? 2 : ((mult < 50) ? 10 : ((mult < 500) ? 100 : 1000));
data_max = data_max + (mult * div) - (data_max % (mult * div));
/* remember current timestamp, calculate horizontal scale */
data_stamp = data[data.length-1][TIME];
data_scale = height / (data_max * 1.1);
data_scale = height / data_max;
/* plot data */
var pt_rx = '0,' + height;
@ -239,9 +245,9 @@
line_rx.setAttribute('points', pt_rx);
line_tx.setAttribute('points', pt_tx);
label_25.firstChild.data = bandwidth_label(1.1 * 0.25 * data_max);
label_50.firstChild.data = bandwidth_label(1.1 * 0.50 * data_max);
label_75.firstChild.data = bandwidth_label(1.1 * 0.75 * data_max);
label_25.firstChild.data = bandwidth_label(0.25 * data_max);
label_50.firstChild.data = bandwidth_label(0.50 * data_max);
label_75.firstChild.data = bandwidth_label(0.75 * data_max);
label_rx_cur.innerHTML = bandwidth_label(data_rx[data_rx.length-1], true);
label_tx_cur.innerHTML = bandwidth_label(data_tx[data_tx.length-1], true);