-/strfcmp/****************************************************************************
- * RRDtool 1.2rc7 Copyright by Tobi Oetiker, 1997-2005
+/****************************************************************************
+ * RRDtool 1.2.11 Copyright by Tobi Oetiker, 1997-2005
****************************************************************************
* rrd__graph.c produce graphs from data in rrdfiles
****************************************************************************/
#include "rrd_tool.h"
-#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
#include <io.h>
#include <fcntl.h>
#endif
#ifndef RRD_DEFAULT_FONT
/* there is special code later to pick Cour.ttf when running on windows */
-#define RRD_DEFAULT_FONT "VeraMono.ttf"
+#define RRD_DEFAULT_FONT "DejaVuSansMono-Roman.ttf"
#endif
text_prop_t text_prop[] = {
- { 9.0, RRD_DEFAULT_FONT }, /* default */
- { 11.0, RRD_DEFAULT_FONT }, /* title */
- { 8.0, RRD_DEFAULT_FONT }, /* axis */
- { 9.0, RRD_DEFAULT_FONT }, /* unit */
- { 9.0, RRD_DEFAULT_FONT } /* legend */
+ { 8.0, RRD_DEFAULT_FONT }, /* default */
+ { 9.0, RRD_DEFAULT_FONT }, /* title */
+ { 7.0, RRD_DEFAULT_FONT }, /* axis */
+ { 8.0, RRD_DEFAULT_FONT }, /* unit */
+ { 8.0, RRD_DEFAULT_FONT } /* legend */
};
xlab_t xlab[] = {
- {0, TMT_SECOND,30, TMT_MINUTE,5, TMT_MINUTE,5, 0,"%H:%M"},
- {2, TMT_MINUTE,1, TMT_MINUTE,5, TMT_MINUTE,5, 0,"%H:%M"},
- {5, TMT_MINUTE,2, TMT_MINUTE,10, TMT_MINUTE,10, 0,"%H:%M"},
- {10, TMT_MINUTE,5, TMT_MINUTE,20, TMT_MINUTE,20, 0,"%H:%M"},
- {30, TMT_MINUTE,10, TMT_HOUR,1, TMT_HOUR,1, 0,"%H:%M"},
- {60, TMT_MINUTE,30, TMT_HOUR,2, TMT_HOUR,2, 0,"%H:%M"},
- {180, TMT_HOUR,1, TMT_HOUR,6, TMT_HOUR,6, 0,"%H:%M"},
- /*{300, TMT_HOUR,3, TMT_HOUR,12, TMT_HOUR,12, 12*3600,"%a %p"}, this looks silly*/
- {600, TMT_HOUR,6, TMT_DAY,1, TMT_DAY,1, 24*3600,"%a"},
- {1800, TMT_HOUR,12, TMT_DAY,1, TMT_DAY,2, 24*3600,"%a"},
- {3600, TMT_DAY,1, TMT_WEEK,1, TMT_WEEK,1, 7*24*3600,"Week %V"},
- {3*3600, TMT_WEEK,1, TMT_MONTH,1, TMT_WEEK,2, 7*24*3600,"Week %V"},
- {6*3600, TMT_MONTH,1, TMT_MONTH,1, TMT_MONTH,1, 30*24*3600,"%b"},
- {48*3600, TMT_MONTH,1, TMT_MONTH,3, TMT_MONTH,3, 30*24*3600,"%b"},
- {10*24*3600, TMT_YEAR,1, TMT_YEAR,1, TMT_YEAR,1, 365*24*3600,"%y"},
- {-1,TMT_MONTH,0,TMT_MONTH,0,TMT_MONTH,0,0,""}
+ {0, 0, TMT_SECOND,30, TMT_MINUTE,5, TMT_MINUTE,5, 0,"%H:%M"},
+ {2, 0, TMT_MINUTE,1, TMT_MINUTE,5, TMT_MINUTE,5, 0,"%H:%M"},
+ {5, 0, TMT_MINUTE,2, TMT_MINUTE,10, TMT_MINUTE,10, 0,"%H:%M"},
+ {10, 0, TMT_MINUTE,5, TMT_MINUTE,20, TMT_MINUTE,20, 0,"%H:%M"},
+ {30, 0, TMT_MINUTE,10, TMT_HOUR,1, TMT_HOUR,1, 0,"%H:%M"},
+ {60, 0, TMT_MINUTE,30, TMT_HOUR,2, TMT_HOUR,2, 0,"%H:%M"},
+ {180, 0, TMT_HOUR,1, TMT_HOUR,6, TMT_HOUR,6, 0,"%H:%M"},
+ {180, 1*24*3600, TMT_HOUR,1, TMT_HOUR,6, TMT_HOUR,6, 0,"%a %H:%M"},
+ /*{300, 0, TMT_HOUR,3, TMT_HOUR,12, TMT_HOUR,12, 12*3600,"%a %p"}, this looks silly*/
+ {600, 0, TMT_HOUR,6, TMT_DAY,1, TMT_DAY,1, 24*3600,"%a"},
+ {600, 1*24*3600, TMT_HOUR,6, TMT_DAY,1, TMT_DAY,1, 24*3600,"%a %d"},
+ {1800, 0, TMT_HOUR,12, TMT_DAY,1, TMT_DAY,2, 24*3600,"%a"},
+ {1800, 1*24*3600, TMT_HOUR,12, TMT_DAY,1, TMT_DAY,2, 24*3600,"%a %d"},
+ {3600, 0, TMT_DAY,1, TMT_WEEK,1, TMT_WEEK,1, 7*24*3600,"Week %V"},
+ {3*3600, 0, TMT_WEEK,1, TMT_MONTH,1, TMT_WEEK,2, 7*24*3600,"Week %V"},
+ {6*3600, 0, TMT_MONTH,1, TMT_MONTH,1, TMT_MONTH,1, 30*24*3600,"%b"},
+ {48*3600, 0, TMT_MONTH,1, TMT_MONTH,3, TMT_MONTH,3, 30*24*3600,"%b"},
+ {10*24*3600, 0, TMT_YEAR,1, TMT_YEAR,1, TMT_YEAR,1, 365*24*3600,"%y"},
+ {-1,0,TMT_MONTH,0,TMT_MONTH,0,TMT_MONTH,0,0,""}
};
/* sensible logarithmic y label intervals ...
0xE0505080, /* major grid */
0x000000FF, /* font */
0x802020FF, /* arrow */
- 0x202020FF /* axis */
-};
+ 0x202020FF, /* axis */
+ 0x000000FF /* frame */
+};
/* #define DEBUG */
if (! im->rigid) {
/* keep yval as-is */
} else if (yval > im->yorigin) {
- yval = im->yorigin+2;
+ yval = im->yorigin +0.00001;
} else if (yval < im->yorigin - im->ysize){
- yval = im->yorigin - im->ysize - 2;
+ yval = im->yorigin - im->ysize - 0.00001;
}
return yval;
}
conv_if(FONT,GRC_FONT)
conv_if(ARROW,GRC_ARROW)
conv_if(AXIS,GRC_AXIS)
+ conv_if(FRAME,GRC_FRAME)
return -1;
}
im->viewfactor = im->magfact / pow((double)im->base , viewdigits);
- pow((double)im->base , viewdigits);
-
if ( ((viewdigits+symbcenter) < sizeof(symbol)) &&
((viewdigits+symbcenter) >= 0) )
im->symbol = symbol[(int)viewdigits+symbcenter];
delt = im->maxval - im->minval;
adj = delt * 0.1;
fact = 2.0 * pow(10.0,
- floor(log10(max(fabs(im->minval), fabs(im->maxval)))) - 2);
+ floor(log10(max(fabs(im->minval), fabs(im->maxval))/im->magfact)) - 2);
if (delt < fact) {
adj = (fact - delt) * 0.55;
#ifdef DEBUG
-sensiblevalues[i] >=scaled_max)
im->maxval = -sensiblevalues[i]*(im->magfact);
}
- /* no sensiblevalues found. we switch to ALTYGRID mode */
- if (sensiblevalues[i] == 0){
- im->extra_flags |= ALTYGRID;
- }
}
} else {
/* adjust min and max to the grid definition if there is one */
double new_log10_range = factor * log10_range;
double new_ymax_log10 = log10(im->minval) + new_log10_range;
im->maxval = pow(10, new_ymax_log10);
- ytr(im, DNAN); /* reset precalc */
+ ytr(im,DNAN); /* reset precalc */
log10_range = log10(im->maxval) - log10(im->minval);
}
/* make sure first y=10^x gridline is located on
double yfrac = ypixfrac / im->ysize;
im->minval = pow(10, log10(im->minval) - yfrac * log10_range);
im->maxval = pow(10, log10(im->maxval) - yfrac * log10_range);
- ytr(im, DNAN); /* reset precalc */
+ ytr(im,DNAN); /* reset precalc */
}
} else {
/* Make sure we have an integer pixel distance between
double gridstep = im->ygrid_scale.gridstep;
double minor_y, minor_y_px, minor_y_px_frac;
im->maxval = im->minval + new_range;
- ytr(im, DNAN); /* reset precalc */
+ ytr(im,DNAN); /* reset precalc */
/* make sure first minor gridline is on integer pixel y coord */
minor_y = gridstep * floor(im->minval / gridstep);
while (minor_y < im->minval)
double range = im->maxval - im->minval;
im->minval = im->minval - yfrac * range;
im->maxval = im->maxval - yfrac * range;
- ytr(im, DNAN); /* reset precalc */
+ ytr(im,DNAN); /* reset precalc */
}
calc_horizontal_grid(im); /* recalc with changed im->maxval */
}
int i,ii;
int skip;
- /* pull the data from the log files ... */
+ /* pull the data from the rrd files ... */
for (i=0;i< (int)im->gdes_c;i++){
/* only GF_DEF elements fetch data */
if (im->gdes[i].gf != GF_DEF)
if ((strcmp(im->gdes[i].rrd, im->gdes[ii].rrd) == 0)
&& (im->gdes[i].cf == im->gdes[ii].cf)
&& (im->gdes[i].cf_reduce == im->gdes[ii].cf_reduce)
- && (im->gdes[i].start == im->gdes[ii].start)
- && (im->gdes[i].end == im->gdes[ii].end)
- && (im->gdes[i].step == im->gdes[ii].step)) {
+ && (im->gdes[i].start_orig == im->gdes[ii].start_orig)
+ && (im->gdes[i].end_orig == im->gdes[ii].end_orig)
+ && (im->gdes[i].step_orig == im->gdes[ii].step_orig)) {
/* OK, the data is already there.
** Just copy the header portion
*/
* and the resulting number is the step size for the
* resulting data source.
*/
- for(rpi=0;im->gdes[gdi].rpnp[rpi].op != OP_END;rpi++){
- if(im->gdes[gdi].rpnp[rpi].op == OP_VARIABLE ||
- im->gdes[gdi].rpnp[rpi].op == OP_PREV_OTHER){
- long ptr = im->gdes[gdi].rpnp[rpi].ptr;
- if (im->gdes[ptr].ds_cnt == 0) {
+ for(rpi=0;im->gdes[gdi].rpnp[rpi].op != OP_END;rpi++){
+ if(im->gdes[gdi].rpnp[rpi].op == OP_VARIABLE ||
+ im->gdes[gdi].rpnp[rpi].op == OP_PREV_OTHER){
+ long ptr = im->gdes[gdi].rpnp[rpi].ptr;
+ if (im->gdes[ptr].ds_cnt == 0) { /* this is a VDEF data source */
#if 0
- printf("DEBUG: inside CDEF '%s' processing VDEF '%s'\n",
- im->gdes[gdi].vname,
- im->gdes[ptr].vname);
- printf("DEBUG: value from vdef is %f\n",im->gdes[ptr].vf.val);
+ printf("DEBUG: inside CDEF '%s' processing VDEF '%s'\n",
+ im->gdes[gdi].vname,
+ im->gdes[ptr].vname);
+ printf("DEBUG: value from vdef is %f\n",im->gdes[ptr].vf.val);
#endif
im->gdes[gdi].rpnp[rpi].val = im->gdes[ptr].vf.val;
im->gdes[gdi].rpnp[rpi].op = OP_NUMBER;
- } else {
- if ((steparray =
+ } else { /* normal variables and PREF(variables) */
+
+ /* add one entry to the array that keeps track of the step sizes of the
+ * data sources going into the CDEF. */
+ if ((steparray =
rrd_realloc(steparray,
(++stepcnt+1)*sizeof(*steparray)))==NULL){
- rrd_set_error("realloc steparray");
- rpnstack_free(&rpnstack);
- return -1;
+ rrd_set_error("realloc steparray");
+ rpnstack_free(&rpnstack);
+ return -1;
};
steparray[stepcnt-1] = im->gdes[ptr].step;
* to the earliest endpoint of any of the
* rras involved (ptr)
*/
+
if(im->gdes[gdi].start < im->gdes[ptr].start)
im->gdes[gdi].start = im->gdes[ptr].start;
* further save step size and data source
* count of this rra
*/
- im->gdes[gdi].rpnp[rpi].data = im->gdes[ptr].data + im->gdes[ptr].ds;
- im->gdes[gdi].rpnp[rpi].step = im->gdes[ptr].step;
+ im->gdes[gdi].rpnp[rpi].data = im->gdes[ptr].data + im->gdes[ptr].ds;
+ im->gdes[gdi].rpnp[rpi].step = im->gdes[ptr].step;
im->gdes[gdi].rpnp[rpi].ds_cnt = im->gdes[ptr].ds_cnt;
/* backoff the *.data ptr; this is done so
/* move the data pointers to the correct period */
for(rpi=0;im->gdes[gdi].rpnp[rpi].op != OP_END;rpi++){
- if(im->gdes[gdi].rpnp[rpi].op == OP_VARIABLE ||
- im->gdes[gdi].rpnp[rpi].op == OP_PREV_OTHER){
- long ptr = im->gdes[gdi].rpnp[rpi].ptr;
+ if(im->gdes[gdi].rpnp[rpi].op == OP_VARIABLE ||
+ im->gdes[gdi].rpnp[rpi].op == OP_PREV_OTHER){
+ long ptr = im->gdes[gdi].rpnp[rpi].ptr;
long diff = im->gdes[gdi].start - im->gdes[ptr].start;
if(diff > 0)
char ctime_buf[128]; /* PS: for ctime_r, must be >= 26 chars */
int iii=0;
ctime_r(&printtime,ctime_buf);
- while(isprint(ctime_buf[iii])){iii++};
+ while(isprint(ctime_buf[iii])){iii++;}
ctime_buf[iii]='\0';
if (im->gdes[i].gf == GF_PRINT){
(*prdata)[prlines-2] = malloc((FMT_LEG_LEN+2)*sizeof(char));
+ legspace[ii]
+ glue;
}
- leg_y += im->text_prop[TEXT_PROP_LEGEND].size*1.7;
+ leg_y += im->text_prop[TEXT_PROP_LEGEND].size*1.8;
if (prt_fctn == 's') leg_y -= im->text_prop[TEXT_PROP_LEGEND].size;
fill = 0;
leg_c = 0;
if(isnan(im->ygridstep)){
if(im->extra_flags & ALTYGRID) {
/* find the value with max number of digits. Get number of digits */
- decimals = ceil(log10(max(fabs(im->maxval), fabs(im->minval))));
+ decimals = ceil(log10(max(fabs(im->maxval), fabs(im->minval))*im->viewfactor/im->magfact));
if(decimals <= 0) /* everything is small. make place for zero */
decimals = 1;
- fractionals = floor(log10(range));
- if(fractionals < 0) { /* small amplitude. */
- int len = decimals - fractionals + 1;
- if (im->unitslength < len) im->unitslength = len;
- sprintf(im->ygrid_scale.labfmt, "%%%d.%df", len, -fractionals + 1);
- } else {
- int len = decimals + 1;
- if (im->unitslength < len) im->unitslength = len;
- sprintf(im->ygrid_scale.labfmt, "%%%d.1f", len);
- }
- im->ygrid_scale.gridstep = pow((double)10, (double)fractionals);
+ im->ygrid_scale.gridstep = pow((double)10, floor(log10(range*im->viewfactor/im->magfact)))/im->viewfactor*im->magfact;
+
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 */
im->ygrid_scale.gridstep /= 5;
im->ygrid_scale.labfact = 5;
}
+ fractionals = floor(log10(im->ygrid_scale.gridstep*(double)im->ygrid_scale.labfact*im->viewfactor/im->magfact));
+ if(fractionals < 0) { /* small amplitude. */
+ int len = decimals - fractionals + 1;
+ if (im->unitslength < len+2) im->unitslength = len+2;
+ sprintf(im->ygrid_scale.labfmt, "%%%d.%df%s", len, -fractionals,(im->symbol != ' ' ? " %c" : ""));
+ } else {
+ int len = decimals + 1;
+ if (im->unitslength < len+2) im->unitslength = len+2;
+ sprintf(im->ygrid_scale.labfmt, "%%%d.0f%s", len, ( im->symbol != ' ' ? " %c" : "" ));
+ }
}
else {
for(i=0;ylab[i].grid > 0;i++){
pixel = im->ysize / (scaledrange / ylab[i].grid);
- if (pixel > 5) {
+ if (pixel > 7) {
gridind = i;
break;
}
}
for(i=0; i<4;i++) {
- if (pixel * ylab[gridind].lfac[i] >= 2 * im->text_prop[TEXT_PROP_AXIS].size) {
+ if (pixel * ylab[gridind].lfac[i] >= 2.5 * im->text_prop[TEXT_PROP_AXIS].size) {
im->ygrid_scale.labfact = ylab[gridind].lfac[i];
break;
}
int sgrid = (int)( im->minval / im->ygrid_scale.gridstep - 1);
int egrid = (int)( im->maxval / im->ygrid_scale.gridstep + 1);
- scaledstep = im->ygrid_scale.gridstep/im->magfact;
+ double MaxY;
+ scaledstep = im->ygrid_scale.gridstep/(double)im->magfact*(double)im->viewfactor;
+ MaxY = scaledstep*(double)egrid;
for (i = sgrid; i <= egrid; i++){
double Y0=ytr(im,im->ygrid_scale.gridstep*i);
if ( Y0 >= im->yorigin-im->ysize
&& Y0 <= im->yorigin){
if(i % im->ygrid_scale.labfact == 0){
- if (i==0 || im->symbol == ' ') {
- if(scaledstep < 1){
- if(im->extra_flags & ALTYGRID) {
- sprintf(graph_label,im->ygrid_scale.labfmt,scaledstep*im->viewfactor*i);
- }
- else {
- sprintf(graph_label,"%4.1f",scaledstep*im->viewfactor*i);
- }
- } else {
- sprintf(graph_label,"%4.0f",scaledstep*im->viewfactor*i);
- }
+ if (im->symbol == ' ') {
+ if(im->extra_flags & ALTYGRID) {
+ sprintf(graph_label,im->ygrid_scale.labfmt,scaledstep*(double)i);
+ } else {
+ if(MaxY < 10) {
+ sprintf(graph_label,"%4.1f",scaledstep*(double)i);
+ } else {
+ sprintf(graph_label,"%4.0f",scaledstep*(double)i);
+ }
+ }
}else {
- if(scaledstep < 1){
- sprintf(graph_label,"%4.1f %c",scaledstep*im->viewfactor*i, im->symbol);
- } else {
- sprintf(graph_label,"%4.0f %c",scaledstep*im->viewfactor*i, im->symbol);
- }
+ char sisym = ( i == 0 ? ' ' : im->symbol);
+ if(im->extra_flags & ALTYGRID) {
+ sprintf(graph_label,im->ygrid_scale.labfmt,scaledstep*(double)i,sisym);
+ } else {
+ if(MaxY < 10){
+ sprintf(graph_label,"%4.1f %c",scaledstep*(double)i, sisym);
+ } else {
+ sprintf(graph_label,"%4.0f %c",scaledstep*(double)i, sisym);
+ }
+ }
}
gfx_new_text ( im->canvas,
factor=(im->end - im->start)/im->xsize;
xlab_sel=0;
while ( xlab[xlab_sel+1].minsec != -1
- && xlab[xlab_sel+1].minsec <= factor){ xlab_sel++; }
+ && xlab[xlab_sel+1].minsec <= factor) { xlab_sel++; } /* pick the last one */
+ while ( xlab[xlab_sel-1].minsec == xlab[xlab_sel].minsec
+ && xlab[xlab_sel].length > (im->end - im->start)) { xlab_sel--; } /* go back to the smallest size */
im->xlab_user.gridtm = xlab[xlab_sel].gridtm;
im->xlab_user.gridst = xlab[xlab_sel].gridst;
im->xlab_user.mgridtm = xlab[xlab_sel].mgridtm;
# error "your libc has no strftime I guess we'll abort the exercise here."
#endif
gfx_new_text ( im->canvas,
- xtr(im,tilab), Y0+im->text_prop[TEXT_PROP_AXIS].size,
+ xtr(im,tilab), Y0+im->text_prop[TEXT_PROP_AXIS].size*1.4+5,
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_AXIS].font,
im->text_prop[TEXT_PROP_AXIS].size,
- im->tabwidth, 0.0, GFX_H_CENTER, GFX_V_TOP,
+ im->tabwidth, 0.0, GFX_H_CENTER, GFX_V_BOTTOM,
graph_label );
}
} else {
res = draw_horizontal_grid(im);
}
-
+
/* dont draw horizontal grid if there is no min and max val */
if (! res ) {
char *nodata = "No Data found";
/* yaxis unit description */
gfx_new_text( im->canvas,
- 7, (im->yorigin - im->ysize/2),
+ 10, (im->yorigin - im->ysize/2),
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_UNIT].font,
im->text_prop[TEXT_PROP_UNIT].size, im->tabwidth,
/* graph title */
gfx_new_text( im->canvas,
- im->ximg/2, im->text_prop[TEXT_PROP_TITLE].size*1.2,
+ im->ximg/2, im->text_prop[TEXT_PROP_TITLE].size*1.3+4,
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_TITLE].font,
im->text_prop[TEXT_PROP_TITLE].size, im->tabwidth, 0.0,
GFX_H_CENTER, GFX_V_CENTER,
im->title);
+ /* rrdtool 'logo' */
+ gfx_new_text( im->canvas,
+ im->ximg-7, 7,
+ ( im->graph_col[GRC_FONT] & 0xffffff00 ) | 0x00000044,
+ im->text_prop[TEXT_PROP_AXIS].font,
+ 5.5, im->tabwidth, 270,
+ GFX_H_RIGHT, GFX_V_TOP,
+ "RRDTOOL / TOBI OETIKER");
/* graph labels */
if( !(im->extra_flags & NOLEGEND) & !(im->extra_flags & ONLY_GRAPH) ) {
boxH = gfx_get_text_width(im->canvas, 0,
im->text_prop[TEXT_PROP_LEGEND].font,
im->text_prop[TEXT_PROP_LEGEND].size,
- im->tabwidth,"M", 0)*1.2;
- boxV = boxH;
+ im->tabwidth,"o", 0) * 1.2;
+ boxV = boxH*1.1;
- /* make sure transparent colors show up all the same */
- node = gfx_new_area(im->canvas,
+ /* make sure transparent colors show up the same way as in the graph */
+ node = gfx_new_area(im->canvas,
X0,Y0-boxV,
X0,Y0,
X0+boxH,Y0,
- im->graph_col[GRC_CANVAS]);
+ im->graph_col[GRC_BACK]);
gfx_add_point ( node, X0+boxH, Y0-boxV );
node = gfx_new_area(im->canvas,
im->gdes[i].col);
gfx_add_point ( node, X0+boxH, Y0-boxV );
node = gfx_new_line(im->canvas,
- X0,Y0-boxV, X0,Y0,
- 1,im->graph_col[GRC_FONT]);
+ X0,Y0-boxV,
+ X0,Y0,
+ 1.0,im->graph_col[GRC_FRAME]);
gfx_add_point(node,X0+boxH,Y0);
gfx_add_point(node,X0+boxH,Y0-boxV);
gfx_close_path(node);
** | |..............legends......................|
** +-+-------------------------------------------+
*/
- int Xvertical=0, Yvertical=0,
- Xtitle =0, Ytitle =0,
+ int Xvertical=0,
+ Ytitle =0,
Xylabel =0,
Xmain =0, Ymain =0,
#ifdef WITH_PIECHART
im->ximg = im->xsize;
im->yimg = im->ysize;
im->yorigin = im->ysize;
+ ytr(im,DNAN);
return 0;
}
if (im->ylegend[0] != '\0' ) {
Xvertical = im->text_prop[TEXT_PROP_UNIT].size *2;
- Yvertical = gfx_get_text_width(im->canvas, 0,
- im->text_prop[TEXT_PROP_UNIT].font,
- im->text_prop[TEXT_PROP_UNIT].size,
- im->tabwidth,im->ylegend, 0);
}
** automatically has some vertical spacing. The horizontal
** spacing is added here, on each side.
*/
- Xtitle = gfx_get_text_width(im->canvas, 0,
+ /* don't care for the with of the title
+ Xtitle = gfx_get_text_width(im->canvas, 0,
im->text_prop[TEXT_PROP_TITLE].font,
im->text_prop[TEXT_PROP_TITLE].size,
im->tabwidth,
- im->title, 0) + 2*Xspacing;
- Ytitle = im->text_prop[TEXT_PROP_TITLE].size*2.5;
+ im->title, 0) + 2*Xspacing; */
+ Ytitle = im->text_prop[TEXT_PROP_TITLE].size*2.6+10;
}
if (elements) {
im->text_prop[TEXT_PROP_AXIS].font,
im->text_prop[TEXT_PROP_AXIS].size,
im->tabwidth,
- "0", 0) * im->unitslength + im->text_prop[TEXT_PROP_AXIS].size * 2;
+ "0", 0) * im->unitslength;
}
}
im->xorigin = Xspacing + Xylabel;
- if (Xtitle > im->ximg) im->ximg = Xtitle;
+ /* the length of the title should not influence with width of the graph
+ if (Xtitle > im->ximg) im->ximg = Xtitle; */
if (Xvertical) { /* unit description */
im->ximg += Xvertical;
/* reserve space for main and/or pie */
im->yimg = Ymain + Yxlabel;
-
+
#ifdef WITH_PIECHART
if (im->yimg < Ypie) im->yimg = Ypie;
#endif
im->yimg += Ytitle;
im->yorigin += Ytitle;
} else {
- im->yimg += Yspacing;
- im->yorigin += Yspacing;
+ im->yimg += 1.5*Yspacing;
+ im->yorigin += 1.5*Yspacing;
}
/* reserve space for padding below the graph */
im->yimg += Yspacing;
- ytr(im,DNAN);
-
+
/* Determine where to place the legends onto the image.
** Adjust im->yimg to match the space requirements.
*/
if(leg_place(im)==-1)
return -1;
- /* last of three steps: check total height of image */
- if (im->yimg < Yvertical) im->yimg = Yvertical;
#if 0
if (Xlegend > im->ximg) {
}
#endif
+ ytr(im,DNAN);
+ return 0;
+}
+
+/* from http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm */
+/* yes we are loosing precision by doing tos with floats instead of doubles
+ but it seems more stable this way. */
+
+static int AlmostEqual2sComplement (float A, float B, int maxUlps)
+{
+
+ int aInt = *(int*)&A;
+ int bInt = *(int*)&B;
+ int intDiff;
+ /* Make sure maxUlps is non-negative and small enough that the
+ default NAN won't compare as equal to anything. */
+
+ /* assert(maxUlps > 0 && maxUlps < 4 * 1024 * 1024); */
+
+ /* Make aInt lexicographically ordered as a twos-complement int */
+
+ if (aInt < 0)
+ aInt = 0x80000000l - aInt;
+
+ /* Make bInt lexicographically ordered as a twos-complement int */
+
+ if (bInt < 0)
+ bInt = 0x80000000l - bInt;
+
+ intDiff = abs(aInt - bInt);
+
+ if (intDiff <= maxUlps)
+ return 1;
+
return 0;
}
node=gfx_new_area ( im->canvas,
0, 0,
- im->ximg, 0,
- im->ximg, im->yimg,
+ 0, im->yimg,
+ im->ximg, im->yimg,
im->graph_col[GRC_BACK]);
- gfx_add_point(node,0, im->yimg);
+ gfx_add_point(node,im->ximg, 0);
#ifdef WITH_PIECHART
if (piechart != 2) {
} /* for */
/* *******************************************************
- ___
- | | ___
+ a ___. (a,t)
+ | | ___
____| | | |
| |___|
- -------|---------------------------------------
+ -------|--t-1--t--------------------------------
- if we know the value of y at time t was a then
+ if we know the value at time t was a then
we draw a square from t-1 to t with the value a.
********************************************************* */
if (im->gdes[i].col != 0x0){
/* GF_LINE and friend */
if(stack_gf == GF_LINE ){
+ double last_y=0.0;
node = NULL;
for(ii=1;ii<im->xsize;ii++){
- if (isnan(im->gdes[i].p_data[ii])){
+ if (isnan(im->gdes[i].p_data[ii]) || (im->slopemode==1 && isnan(im->gdes[i].p_data[ii-1]))){
node = NULL;
continue;
}
if ( node == NULL ) {
- node = gfx_new_line(im->canvas,
- ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii]),
- ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]),
+ last_y = ytr(im,im->gdes[i].p_data[ii]);
+ if ( im->slopemode == 0 ){
+ node = gfx_new_line(im->canvas,
+ ii-1+im->xorigin,last_y,
+ ii+im->xorigin,last_y,
im->gdes[i].linewidth,
im->gdes[i].col);
+ } else {
+ node = gfx_new_line(im->canvas,
+ ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii-1]),
+ ii+im->xorigin,last_y,
+ im->gdes[i].linewidth,
+ im->gdes[i].col);
+ }
} else {
- gfx_add_point(node,ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii]));
- gfx_add_point(node,ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]));
+ double new_y = ytr(im,im->gdes[i].p_data[ii]);
+ if ( im->slopemode==0 && ! AlmostEqual2sComplement(new_y,last_y,4)){
+ gfx_add_point(node,ii-1+im->xorigin,new_y);
+ };
+ last_y = new_y;
+ gfx_add_point(node,ii+im->xorigin,new_y);
};
}
} else {
- for(ii=1;ii<im->xsize;ii++){
+ int idxI=-1;
+ double *foreY=malloc(sizeof(double)*im->xsize*2);
+ double *foreX=malloc(sizeof(double)*im->xsize*2);
+ double *backY=malloc(sizeof(double)*im->xsize*2);
+ double *backX=malloc(sizeof(double)*im->xsize*2);
+ int drawem = 0;
+ for(ii=0;ii<=im->xsize;ii++){
+ double ybase,ytop;
+ if ( idxI > 0 && ( drawem != 0 || ii==im->xsize)){
+ int cntI=1;
+ int lastI=0;
+ while (cntI < idxI && AlmostEqual2sComplement(foreY[lastI],foreY[cntI],4) && AlmostEqual2sComplement(foreY[lastI],foreY[cntI+1],4)){cntI++;}
+ node = gfx_new_area(im->canvas,
+ backX[0],backY[0],
+ foreX[0],foreY[0],
+ foreX[cntI],foreY[cntI], im->gdes[i].col);
+ while (cntI < idxI) {
+ lastI = cntI;
+ cntI++;
+ while ( cntI < idxI && AlmostEqual2sComplement(foreY[lastI],foreY[cntI],4) && AlmostEqual2sComplement(foreY[lastI],foreY[cntI+1],4)){cntI++;}
+ gfx_add_point(node,foreX[cntI],foreY[cntI]);
+ }
+ gfx_add_point(node,backX[idxI],backY[idxI]);
+ while (idxI > 1){
+ lastI = idxI;
+ idxI--;
+ while ( idxI > 1 && AlmostEqual2sComplement(backY[lastI], backY[idxI],4) && AlmostEqual2sComplement(backY[lastI],backY[idxI-1],4)){idxI--;}
+ gfx_add_point(node,backX[idxI],backY[idxI]);
+ }
+ idxI=-1;
+ drawem = 0;
+ }
+ if (drawem != 0){
+ drawem = 0;
+ idxI=-1;
+ }
+ if (ii == im->xsize) break;
+
/* keep things simple for now, just draw these bars
do not try to build a big and complex area */
- float ybase,ytop;
+
+
+ if ( im->slopemode == 0 && ii==0){
+ continue;
+ }
if ( isnan(im->gdes[i].p_data[ii]) ) {
+ drawem = 1;
continue;
}
ytop = ytr(im,im->gdes[i].p_data[ii]);
- if ( im->gdes[i].stack ) {
+ if ( lastgdes && im->gdes[i].stack ) {
ybase = ytr(im,lastgdes->p_data[ii]);
} else {
ybase = ytr(im,areazero);
}
if ( ybase == ytop ){
- continue;
+ drawem = 1;
+ continue;
+ }
+ /* every area has to be wound clock-wise,
+ so we have to make sur base remains base */
+ if (ybase > ytop){
+ double extra = ytop;
+ ytop = ybase;
+ ybase = extra;
}
- node = gfx_new_area(im->canvas,
- ii-1+im->xorigin,ybase,
- ii-1+im->xorigin,ytop,
- ii+im->xorigin,ytop,
- im->gdes[i].col
- );
- gfx_add_point(node,ii+im->xorigin,ybase);
- }
+ if ( im->slopemode == 0 ){
+ backY[++idxI] = ybase-0.2;
+ backX[idxI] = ii+im->xorigin-1;
+ foreY[idxI] = ytop+0.2;
+ foreX[idxI] = ii+im->xorigin-1;
+ }
+ backY[++idxI] = ybase-0.2;
+ backX[idxI] = ii+im->xorigin;
+ foreY[idxI] = ytop+0.2;
+ foreX[idxI] = ii+im->xorigin;
+ }
+ /* close up any remaining area */
+ free(foreY);
+ free(foreX);
+ free(backY);
+ free(backX);
} /* else GF_LINE */
} /* if color != 0x0 */
/* make sure we do not run into trouble when stacking on NaN */
if (lastgdes && (im->gdes[i].stack)) {
im->gdes[i].p_data[ii] = lastgdes->p_data[ii];
} else {
- im->gdes[i].p_data[ii] = ytr(im,areazero);
+ im->gdes[i].p_data[ii] = areazero;
}
}
}
}
#endif
- if( !(im->extra_flags & ONLY_GRAPH) )
- axis_paint(im);
/* grid_paint also does the text */
if( !(im->extra_flags & ONLY_GRAPH) )
grid_paint(im);
+
+
+ if( !(im->extra_flags & ONLY_GRAPH) )
+ axis_paint(im);
/* the RULES are the last thing to paint ... */
for(i=0;i<im->gdes_c;i++){
if (strcmp(im->graphfile,"-")==0) {
fo = im->graphhandle ? im->graphhandle : stdout;
-#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
/* Change translation mode for stdout to BINARY */
_setmode( _fileno( fo ), O_BINARY );
#endif
return (-1);
}
}
- gfx_render (im->canvas,im->ximg,im->yimg,0x0,fo);
+ gfx_render (im->canvas,im->ximg,im->yimg,0x00000000,fo);
if (strcmp(im->graphfile,"-") != 0)
fclose(fo);
return 0;
im->gdes[im->gdes_c-1].step=im->step;
+ im->gdes[im->gdes_c-1].step_orig=im->step;
im->gdes[im->gdes_c-1].stack=0;
im->gdes[im->gdes_c-1].debug=0;
im->gdes[im->gdes_c-1].start=im->start;
rrd_graph(int argc, char **argv, char ***prdata, int *xsize, int *ysize, FILE *stream, double *ymin, double *ymax)
{
image_desc_t im;
-
rrd_graph_init(&im);
im.graphhandle = stream;
im->minval = DNAN;
im->maxval = DNAN;
im->unitsexponent= 9999;
- im->unitslength= 5;
+ im->unitslength= 6;
im->symbol = ' ';
im->viewfactor = 1.0;
im->extra_flags= 0;
im->gridfit = 1;
im->imginfo = NULL;
im->lazy = 0;
+ im->slopemode = 0;
im->logarithmic = 0;
im->ygridstep = DNAN;
im->draw_x_grid = 1;
for(i=0;i<DIM(graph_col);i++)
im->graph_col[i]=graph_col[i];
-#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
{
char *windir;
char rrd_win_default_font[1000];
if (windir != NULL) {
strncpy(rrd_win_default_font,windir,999);
rrd_win_default_font[999] = '\0';
- strcat(rrd_win_default_font,"\\fonts\\cour.ttf");
+ strcat(rrd_win_default_font,"\\fonts\\");
+ strcat(rrd_win_default_font,RRD_DEFAULT_FONT);
for(i=0;i<DIM(text_prop);i++){
strncpy(text_prop[i].font,rrd_win_default_font,sizeof(text_prop[i].font)-1);
text_prop[i].font[sizeof(text_prop[i].font)-1] = '\0';
long long_tmp;
struct rrd_time_value start_tv, end_tv;
gfx_color_t color;
+ optind = 0; opterr = 0; /* initialize getopt */
parsetime("end-24h", &start_tv);
parsetime("now", &end_tv);
{"only-graph", no_argument, 0, 'j'},
{"alt-y-grid", no_argument, 0, 'Y'},
{"no-minor", no_argument, 0, 'I'},
+ {"slope-mode", no_argument, 0, 'E'},
{"alt-autoscale", no_argument, 0, 'A'},
{"alt-autoscale-max", no_argument, 0, 'M'},
{"no-gridfit", no_argument, 0, 'N'},
{"units-length",required_argument, 0, 'L'},
{"step", required_argument, 0, 'S'},
{"tabwidth", required_argument, 0, 'T'},
+ {"font-render-mode", required_argument, 0, 'R'},
+ {"font-smoothing-threshold", required_argument, 0, 'B'},
+ {"alt-y-mrtg", no_argument, 0, 1000}, /* this has no effect it is just here to save old apps from crashing when they use it */
{0,0,0,0}};
int option_index = 0;
int opt;
int col_start,col_end;
opt = getopt_long(argc, argv,
- "s:e:x:y:v:w:h:iu:l:rb:oc:n:m:t:f:a:I:zgjFYAMX:L:S:T:N",
+ "s:e:x:y:v:w:h:iu:l:rb:oc:n:m:t:f:a:I:zgjFYAMEX:L:S:T:NR:B:",
long_options, &option_index);
if (opt == EOF)
case 'z':
im->lazy = 1;
break;
+ case 'E':
+ im->slopemode = 1;
+ break;
+
case 'o':
im->logarithmic = 1;
if (isnan(im->minval))
int ci;
int col_len = col_end - col_start;
switch (col_len){
+ case 3:
+ color = (
+ ((color & 0xF00) * 0x110000) |
+ ((color & 0x0F0) * 0x011000) |
+ ((color & 0x00F) * 0x001100) |
+ 0x000000FF
+ );
+ break;
+ case 4:
+ color = (
+ ((color & 0xF000) * 0x11000) |
+ ((color & 0x0F00) * 0x01100) |
+ ((color & 0x00F0) * 0x00110) |
+ ((color & 0x000F) * 0x00011)
+ );
+ break;
case 6:
color = (color << 8) + 0xff /* shift left by 8 */;
break;
case 'n':{
char prop[15];
double size = 1;
- char font[1024];
+ char font[1024] = "";
if(sscanf(optarg,
"%10[A-Z]:%lf:%1000s",
- prop,&size,font) == 3){
- int sindex;
+ prop,&size,font) >= 2){
+ int sindex,propidx;
if((sindex=text_prop_conv(prop)) != -1){
- im->text_prop[sindex].size=size;
- strcpy(im->text_prop[sindex].font,font);
- if (sindex==0) { /* the default */
- im->text_prop[TEXT_PROP_TITLE].size=size;
- strcpy(im->text_prop[TEXT_PROP_TITLE].font,font);
- im->text_prop[TEXT_PROP_AXIS].size=size;
- strcpy(im->text_prop[TEXT_PROP_AXIS].font,font);
- im->text_prop[TEXT_PROP_UNIT].size=size;
- strcpy(im->text_prop[TEXT_PROP_UNIT].font,font);
- im->text_prop[TEXT_PROP_LEGEND].size=size;
- strcpy(im->text_prop[TEXT_PROP_LEGEND].font,font);
- }
+ for (propidx=sindex;propidx<TEXT_PROP_LAST;propidx++){
+ if (size > 0){
+ im->text_prop[propidx].size=size;
+ }
+ if (strlen(font) > 0){
+ strcpy(im->text_prop[propidx].font,font);
+ }
+ if (propidx==sindex && sindex != 0) break;
+ }
} else {
rrd_set_error("invalid fonttag '%s'",prop);
return;
im->title[150]='\0';
break;
+ case 'R':
+ if ( strcmp( optarg, "normal" ) == 0 )
+ im->canvas->aa_type = AA_NORMAL;
+ else if ( strcmp( optarg, "light" ) == 0 )
+ im->canvas->aa_type = AA_LIGHT;
+ else if ( strcmp( optarg, "mono" ) == 0 )
+ im->canvas->aa_type = AA_NONE;
+ else
+ {
+ rrd_set_error("unknown font-render-mode '%s'", optarg );
+ return;
+ }
+ break;
+
+ case 'B':
+ im->canvas->font_aa_threshold = atof(optarg);
+ break;
+
case '?':
if (optopt != 0)
rrd_set_error("unknown option '%c'", optopt);
else if (!strcmp("TOTAL", func)) gdes->vf.op = VDEF_TOTAL;
else if (!strcmp("FIRST", func)) gdes->vf.op = VDEF_FIRST;
else if (!strcmp("LAST", func)) gdes->vf.op = VDEF_LAST;
+ else if (!strcmp("LSLSLOPE", func)) gdes->vf.op = VDEF_LSLSLOPE;
+ else if (!strcmp("LSLINT", func)) gdes->vf.op = VDEF_LSLINT;
+ else if (!strcmp("LSLCORREL",func)) gdes->vf.op = VDEF_LSLCORREL;
else {
rrd_set_error("Unknown function '%s' in VDEF '%s'\n"
,func
case VDEF_TOTAL:
case VDEF_FIRST:
case VDEF_LAST:
+ case VDEF_LSLSLOPE:
+ case VDEF_LSLINT:
+ case VDEF_LSLCORREL:
if (isnan(param)) {
gdes->vf.param = DNAN;
gdes->vf.val = DNAN;
dst->vf.when = src->start + (step+1)*src->step;
}
break;
+ case VDEF_LSLSLOPE:
+ case VDEF_LSLINT:
+ case VDEF_LSLCORREL:{
+ /* Bestfit line by linear least squares method */
+
+ int cnt=0;
+ double SUMx, SUMy, SUMxy, SUMxx, SUMyy, slope, y_intercept, correl ;
+ SUMx = 0; SUMy = 0; SUMxy = 0; SUMxx = 0; SUMyy = 0;
+
+ for (step=0;step<steps;step++) {
+ if (finite(data[step*src->ds_cnt])) {
+ cnt++;
+ SUMx += step;
+ SUMxx += step * step;
+ SUMxy += step * data[step*src->ds_cnt];
+ SUMy += data[step*src->ds_cnt];
+ SUMyy += data[step*src->ds_cnt]*data[step*src->ds_cnt];
+ };
+ }
+
+ slope = ( SUMx*SUMy - cnt*SUMxy ) / ( SUMx*SUMx - cnt*SUMxx );
+ y_intercept = ( SUMy - slope*SUMx ) / cnt;
+ correl = (SUMxy - (SUMx*SUMy)/cnt) / sqrt((SUMxx - (SUMx*SUMx)/cnt)*(SUMyy - (SUMy*SUMy)/cnt));
+
+ if (cnt) {
+ if (dst->vf.op == VDEF_LSLSLOPE) {
+ dst->vf.val = slope;
+ dst->vf.when = cnt*src->step;
+ } else if (dst->vf.op == VDEF_LSLINT) {
+ dst->vf.val = y_intercept;
+ dst->vf.when = cnt*src->step;
+ } else if (dst->vf.op == VDEF_LSLCORREL) {
+ dst->vf.val = correl;
+ dst->vf.when = cnt*src->step;
+ };
+
+ } else {
+ dst->vf.val = DNAN;
+ dst->vf.when = 0;
+ }
+ }
+ break;
}
return 0;
}
projects / rrdtool.git / blobdiff