luke
/
xschem
mirror of https://github.com/StefanSchippers/xschem.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

graphs: always plot one point before x1 and one point after x2 of simulation waves so they will extend to full graph area even if there are few simulation points.

This commit is contained in:
stefan schippers 2024-11-30 01:16:37 +01:00
parent ebc4babdd4
commit 17a564062c
1 changed files with 21 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/draw.c
View File

@ -3856,13 +3856,30 @@ void draw_graph(int i, const int flags, Graph_ctx *gr, void *ct)
prev_x = 0;
last = ofs;
for(p = ofs ; p < ofs_end; p++) {
double xxprevious, xxfollowing;
if(gr->logx) xx = mylog10(gv[p]);
else xx = gv[p];
xxprevious = xxfollowing = xx;
#if 1 /* plot one point before start and one point after end so
* waves will extend to whole graph area even if there are few points */
if( p > ofs) {
if(gr->logx) xxprevious = mylog10(gv[p - 1]);
else xxprevious = gv[p - 1];
}
if( p < ofs_end - 1) {
if(gr->logx) xxfollowing = mylog10(gv[p + 1]);
else xxfollowing = gv[p + 1];
}
#endif
if(p == ofs) xx0 = gv0[p];
wrap = allow_wrap && (cnt > 1 && gv0[p] == xx0);
dbg(1, "draw_graph(): wrap=%d, xx=%g, xx0=%g, p=%d\n", wrap, xx, xx0, p);
if(first != -1) { /* there is something to plot ... */
if(xx > end || xx < start || /* ... and we ran out of graph area ... */
if(xxprevious > end || xxfollowing < start || /* ... and we ran out of graph area ... */
wrap) { /* ... or sweep variable changed direction */
if(dataset == -1 || dataset == sweepvar_wrap) {
/* plot graph */
@ -3870,8 +3887,8 @@ void draw_graph(int i, const int flags, Graph_ctx *gr, void *ct)
else wave_color = wc;
if(bus_msb) {
if(digital) {
draw_graph_bus_points(ntok_copy, n_bits, idx_arr, first, last, wave_color,
sweep_idx, wcnt, n_nodes, gr, ct);
draw_graph_bus_points(ntok_copy, n_bits, idx_arr, first, last, wave_color,
sweep_idx, wcnt, n_nodes, gr, ct);
}
} else {
if(expression) idx = plot_raw_custom_data(sweep_idx, first, last, express, NULL);
@ -3886,7 +3903,7 @@ void draw_graph(int i, const int flags, Graph_ctx *gr, void *ct)
sweepvar_wrap++;
cnt = 0;
}
if(xx >= start && xx <= end) {
if(xxfollowing >= start && xxprevious <= end) {
if(first == -1) first = p;
/* Build poly x array. Translate from graph coordinates to screen coords */
point[poly_npoints].x = (short)S_X(xx);