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secondary fft is now complex, better display for digimodes based on FM

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This commit is contained in:
Jakob Ketterl
2020-09-17 22:21:49 +02:00
parent 82825fee41
commit 6a6d4a3c9b
2 changed files with 12 additions and 23 deletions
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27
htdocs/openwebrx.js
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@ -1628,8 +1628,8 @@ function secondary_demod_waterfall_add(data) {
}
function secondary_demod_update_marker() {
var width = Math.max((secondary_bw / (if_samp_rate / 2)) * secondary_demod_canvas_width, 5);
var center_at = (secondary_demod_channel_freq / (if_samp_rate / 2)) * secondary_demod_canvas_width + secondary_demod_canvas_left;
var width = Math.max((secondary_bw / if_samp_rate) * secondary_demod_canvas_width, 5);
var center_at = ((secondary_demod_channel_freq - secondary_demod_low_cut) / if_samp_rate) * secondary_demod_canvas_width;
var left = center_at - width / 2;
$("#openwebrx-digimode-select-channel").width(width).css("left", left + "px")
}
@ -1677,26 +1677,17 @@ function secondary_demod_canvas_container_mouseup(evt) {
function secondary_demod_waterfall_set_zoom(low_cut, high_cut) {
if (!secondary_demod_canvases_initialized) return;
if (low_cut < 0 && high_cut < 0) {
var hctmp = high_cut;
var lctmp = low_cut;
low_cut = -hctmp;
high_cut = -lctmp;
}
else if (low_cut < 0 && high_cut > 0) {
high_cut = Math.max(Math.abs(high_cut), Math.abs(low_cut));
low_cut = 0;
}
secondary_demod_low_cut = low_cut;
secondary_demod_high_cut = high_cut;
var shown_bw = high_cut - low_cut;
secondary_demod_canvas_width = $(secondary_demod_canvas_container).width() * (if_samp_rate / 2) / shown_bw;
secondary_demod_canvas_left = -secondary_demod_canvas_width * (low_cut / (if_samp_rate / 2));
//console.log("setzoom", secondary_demod_canvas_width, secondary_demod_canvas_left, low_cut, high_cut);
secondary_demod_canvas_width = $(secondary_demod_canvas_container).width() * (if_samp_rate) / shown_bw;
secondary_demod_canvas_left = (-secondary_demod_canvas_width / 2) - (low_cut / if_samp_rate) * secondary_demod_canvas_width;
secondary_demod_canvases.map(function (x) {
$(x).css("left", secondary_demod_canvas_left + "px").css("width", secondary_demod_canvas_width + "px");
})
;
$(x).css({
left: secondary_demod_canvas_left + "px",
width: secondary_demod_canvas_width + "px"
});
});
secondary_demod_update_channel_freq_from_event();
}