/****************************************************************************
- * RRDtool 1.2rc5 Copyright by Tobi Oetiker, 1997-2005
+ * RRDtool 1.2rc6 Copyright by Tobi Oetiker, 1997-2005
****************************************************************************
* rrd__graph.c produce graphs from data in rrdfiles
****************************************************************************/
0x90909080, /* grid */
0xE0505080, /* major grid */
0x000000FF, /* font */
- 0xFF0000FF, /* arrow */
- 0x404040FF /* axis */
+ 0x802020FF, /* arrow */
+ 0x202020FF /* axis */
};
digits = floor( log( max( fabs(im->minval),fabs(im->maxval)))/log((double)im->base));
}
im->magfact = pow((double)im->base , digits);
-
+
#ifdef DEBUG
printf("digits %6.3f im->magfact %6.3f\n",digits,im->magfact);
#endif
((digits+symbcenter) >= 0) )
im->symbol = symbol[(int)digits+symbcenter];
else
- im->symbol = ' ';
+ im->symbol = '?';
}
/* move min and max values around to become sensible */
-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 */
decimals = 1;
fractionals = floor(log10(range));
- if(fractionals < 0) /* small amplitude. */
- sprintf(im->ygrid_scale.labfmt, "%%%d.%df", decimals - fractionals + 1, -fractionals + 1);
- else
- sprintf(im->ygrid_scale.labfmt, "%%%d.1f", decimals + 1);
+ 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);
if(im->ygrid_scale.gridstep == 0) /* range is one -> 0.1 is reasonable scale */
im->ygrid_scale.gridstep = 0.1;
else {
for(i=0;ylab[i].grid > 0;i++){
pixel = im->ysize / (scaledrange / ylab[i].grid);
- if (gridind == -1 && pixel > 5) {
+ if (pixel > 5) {
gridind = i;
break;
}
}
gfx_new_text ( im->canvas,
- X0-im->text_prop[TEXT_PROP_AXIS].size/1.5, Y0,
+ X0-im->text_prop[TEXT_PROP_AXIS].size, Y0,
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_AXIS].font,
im->text_prop[TEXT_PROP_AXIS].size,
sprintf(graph_label,"%3.0e",value * yloglab[majoridx][i]);
gfx_new_text ( im->canvas,
- X0-im->text_prop[TEXT_PROP_AXIS].size/1.5, Y0,
+ X0-im->text_prop[TEXT_PROP_AXIS].size, Y0,
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_AXIS].font,
im->text_prop[TEXT_PROP_AXIS].size,
# 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/1.5,
+ xtr(im,tilab), Y0+im->text_prop[TEXT_PROP_AXIS].size,
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_AXIS].font,
im->text_prop[TEXT_PROP_AXIS].size,
MGRIDWIDTH, im->graph_col[GRC_AXIS]);
- /* arrow for X axis direction */
+ /* arrow for X and Y axis direction */
gfx_new_area ( im->canvas,
- im->xorigin+im->xsize+3, im->yorigin-3,
- im->xorigin+im->xsize+3, im->yorigin+4,
- im->xorigin+im->xsize+8, im->yorigin+0.5, /* LINEOFFSET */
+ im->xorigin+im->xsize+2, im->yorigin-2,
+ im->xorigin+im->xsize+2, im->yorigin+3,
+ im->xorigin+im->xsize+7, im->yorigin+0.5, /* LINEOFFSET */
+ im->graph_col[GRC_ARROW]);
+
+ gfx_new_area ( im->canvas,
+ im->xorigin-2, im->yorigin-im->ysize-2,
+ im->xorigin+3, im->yorigin-im->ysize-2,
+ im->xorigin+0.5, im->yorigin-im->ysize-7, /* LINEOFFSET */
im->graph_col[GRC_ARROW]);
}
*/
int Xvertical=0, Yvertical=0,
Xtitle =0, Ytitle =0,
- Xylabel =0, Yylabel =0,
+ Xylabel =0,
Xmain =0, Ymain =0,
#ifdef WITH_PIECHART
Xpie =0, Ypie =0,
#endif
- Xxlabel =0, Yxlabel =0,
+ Yxlabel =0,
#if 0
Xlegend =0, Ylegend =0,
#endif
- Xspacing =10, Yspacing =10;
+ Xspacing =15, Yspacing =15;
if (im->extra_flags & ONLY_GRAPH) {
im->xorigin =0;
Xmain=im->xsize;
Ymain=im->ysize;
if (im->draw_x_grid) {
- Xxlabel=Xmain;
Yxlabel=im->text_prop[TEXT_PROP_AXIS].size *2.5;
}
if (im->draw_y_grid) {
- Xylabel=im->text_prop[TEXT_PROP_AXIS].size *6;
- Yylabel=Ymain;
+ Xylabel=gfx_get_text_width(im->canvas, 0,
+ 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;
}
}
}
} /* for */
-
- if (im->gdes[i].col != 0x0){
+
+ /* *******************************************************
+ ___
+ | | ___
+ ____| | | |
+ | |___|
+ -------|---------------------------------------
+
+ if we know the value of y 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 ){
node = NULL;
for(ii=1;ii<im->xsize;ii++){
- if ( ! isnan(im->gdes[i].p_data[ii-1])
- && ! isnan(im->gdes[i].p_data[ii])){
- if (node == NULL){
- node = gfx_new_line(im->canvas,
- ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii-1]),
+ if (isnan(im->gdes[i].p_data[ii])){
+ 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]),
im->gdes[i].linewidth,
im->gdes[i].col);
- } else {
- gfx_add_point(node,ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]));
- }
- } else {
- node = NULL;
- }
+ } 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]));
+ };
+
}
} else {
- int area_start=-1;
- node = NULL;
for(ii=1;ii<im->xsize;ii++){
- /* open an area */
- if ( ! isnan(im->gdes[i].p_data[ii-1])
- && ! isnan(im->gdes[i].p_data[ii])){
- if (node == NULL){
- float ybase = 0.0;
-/*
- if (im->gdes[i].gf == GF_STACK) {
-*/
- if ( (im->gdes[i].gf == GF_STACK)
- || (im->gdes[i].stack) ) {
-
- ybase = ytr(im,lastgdes->p_data[ii-1]);
- } else {
- ybase = ytr(im,areazero);
- }
- area_start = ii-1;
- node = gfx_new_area(im->canvas,
- ii-1+im->xorigin,ybase,
- ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii-1]),
- ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]),
- im->gdes[i].col
- );
- } else {
- gfx_add_point(node,ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]));
- }
+ /* keep things simple for now, just draw these bars
+ do not try to build a big and complex area */
+ float ybase,ytop;
+ if ( isnan(im->gdes[i].p_data[ii]) ) {
+ continue;
+ }
+ ytop = ytr(im,im->gdes[i].p_data[ii]);
+ if ( im->gdes[i].stack ) {
+ ybase = ytr(im,lastgdes->p_data[ii]);
+ } else {
+ ybase = ytr(im,areazero);
}
-
- if ( node != NULL && (ii+1==im->xsize || isnan(im->gdes[i].p_data[ii]) )){
- /* GF_AREA STACK type*/
-/*
- if (im->gdes[i].gf == GF_STACK ) {
-*/
- if ( (im->gdes[i].gf == GF_STACK)
- || (im->gdes[i].stack) ) {
- int iii;
- for (iii=ii-1;iii>area_start;iii--){
- gfx_add_point(node,iii+im->xorigin,ytr(im,lastgdes->p_data[iii]));
- }
- } else {
- gfx_add_point(node,ii+im->xorigin,ytr(im,areazero));
- };
- node=NULL;
- };
+ if ( ybase == ytop ){
+ continue;
+ }
+ 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);
}
} /* else GF_LINE */
} /* if color != 0x0 */
/* make sure we do not run into trouble when stacking on NaN */
for(ii=0;ii<im->xsize;ii++){
if (isnan(im->gdes[i].p_data[ii])) {
- if (lastgdes && (im->gdes[i].gf == GF_STACK)) {
+ 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);
#ifdef HAVE_SETLOCALE
setlocale(LC_TIME,"");
#endif
-
+ im->yorigin=0;
+ im->xorigin=0;
+ im->minval=0;
im->xlab_user.minsec = -1;
im->ximg=0;
im->yimg=0;
im->minval = DNAN;
im->maxval = DNAN;
im->unitsexponent= 9999;
+ im->unitslength= 5;
im->extra_flags= 0;
im->rigid = 0;
im->gridfit = 1;
{
char *deffont;
deffont = getenv("RRD_DEFAULT_FONT");
- /* %windir% is something like D:\windows or C:\winnt */
if (deffont != NULL) {
for(i=0;i<DIM(text_prop);i++){
strncpy(text_prop[i].font,deffont,sizeof(text_prop[i].font)-1);
{"no-minor", no_argument, 0, 'I'},
{"alt-autoscale", no_argument, 0, 'A'},
{"alt-autoscale-max", no_argument, 0, 'M'},
+ {"no-gridfit", no_argument, 0, 'N'},
{"units-exponent",required_argument, 0, 'X'},
+ {"units-length",required_argument, 0, 'L'},
{"step", required_argument, 0, 'S'},
{"tabwidth", required_argument, 0, 'T'},
- {"no-gridfit", no_argument, 0, 'N'},
{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:S:NT:",
+ "s:e:x:y:v:w:h:iu:l:rb:oc:n:m:t:f:a:I:zgjFYAMX:L:S:T:N",
long_options, &option_index);
if (opt == EOF)
case 'X':
im->unitsexponent = atoi(optarg);
break;
+ case 'L':
+ im->unitslength = atoi(optarg);
+ break;
case 'T':
im->tabwidth = atof(optarg);
break;
case 'S':
im->step = atoi(optarg);
break;
- case 262:
+ case 'N':
im->gridfit = 0;
break;
case 's':
projects / rrdtool.git / blobdiff