From 8af1a98943426c07db0eacb0561af7aa143ec2d3 Mon Sep 17 00:00:00 2001 From: oetiker Date: Mon, 26 May 2008 07:45:19 +0000 Subject: [PATCH] * make y-axis labels NOT run into each other (classic and alt) * space horizontal grid lines and lables a bit further apart for tight layouts. * let horizontal lines and y axis labels run a little closer for classic grid git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1378 a5681a0c-68f1-0310-ab6d-d61299d08faa --- src/rrd_graph.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/src/rrd_graph.c b/src/rrd_graph.c index 1849afe..0cc78d4 100644 --- a/src/rrd_graph.c +++ b/src/rrd_graph.c @@ -1821,8 +1821,6 @@ int leg_place( /* the xaxis labels are determined from the number of seconds per pixel in the requested graph */ - - int calc_horizontal_grid( image_desc_t *im) @@ -1860,13 +1858,13 @@ int calc_horizontal_grid( if (im->ygrid_scale.gridstep == 0) /* range is one -> 0.1 is reasonable scale */ im->ygrid_scale.gridstep = 0.1; /* should have at least 5 lines but no more then 15 */ - if (range / im->ygrid_scale.gridstep < 5) + if (range / im->ygrid_scale.gridstep < 5 && im->ygrid_scale.gridstep >= 30 ) im->ygrid_scale.gridstep /= 10; if (range / im->ygrid_scale.gridstep > 15) im->ygrid_scale.gridstep *= 10; - if (range / im->ygrid_scale.gridstep > 5) { + if (range / im->ygrid_scale.gridstep > 5 ) { im->ygrid_scale.labfact = 1; - if (range / im->ygrid_scale.gridstep > 8) + if (range / im->ygrid_scale.gridstep > 8 || im->ygrid_scale.gridstep < 1.8 * im->text_prop[TEXT_PROP_AXIS].size ) im->ygrid_scale.labfact = 2; } else { im->ygrid_scale.gridstep /= 5; @@ -1893,17 +1891,17 @@ int calc_horizontal_grid( sprintf(im->ygrid_scale.labfmt, "%%%d.0f%s", len, (im->symbol != ' ' ? " %c" : "")); } - } else { + } else { /* classic rrd grid */ for (i = 0; ylab[i].grid > 0; i++) { pixel = im->ysize / (scaledrange / ylab[i].grid); gridind = i; - if (pixel > 7) + if (pixel >= 5) break; } for (i = 0; i < 4; i++) { if (pixel * ylab[gridind].lfac[i] >= - 2.5 * im->text_prop[TEXT_PROP_AXIS].size) { + 1.8 * im->text_prop[TEXT_PROP_AXIS].size) { im->ygrid_scale.labfact = ylab[gridind].lfac[i]; break; } -- 2.30.2