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Snap Y-axis range to nice decimal bounds in gl2 figures.

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PiperOrigin-RevId: 830355030
Change-Id: I2e9f145fb8c626dd671d286560c8334202586c6b
This commit is contained in:
Yuval Tassa
2025-11-10 03:00:38 -08:00
committed by Copybara-Service
parent 4e46db8903
commit 1c6a05de98
1 changed files with 20 additions and 5 deletions
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src/render/render_gl2.c
+20 -5
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@@ -879,11 +879,26 @@ void mjr_figure(mjrRect viewport, mjvFigure* fig, const mjrContext* con) {
range[axis][1] += 0.5f*needed;
}
// make y-range symmetric
if (fig->flg_symmetric) {
float ymax = mjMAX(fabsf(range[1][0]), fabsf(range[1][1]));
range[1][0] = -ymax;
range[1][1] = +ymax;
// special handling for Y-axis
if (axis == 1) {
// get current range
float y_min = range[1][0];
float y_max = range[1][1];
float diff = y_max - y_min;
// snap to nearest enclosing decimal bounds
if (diff > 0) {
float power = powf(10, floorf(log10f(diff)));
range[1][0] = floorf(y_min / power) * power;
range[1][1] = ceilf(y_max / power) * power;
}
// make range symmetric
if (fig->flg_symmetric) {
float y_sym = mjMAX(fabsf(range[1][0]), fabsf(range[1][1]));
range[1][0] = -y_sym;
range[1][1] = +y_sym;
}
}
}