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GCC: Fix inverted Y-axis and proper logic for scaling

master
Jon Nordby 2014-09-04 18:52:21 +02:00
rodzic 4ec75213ec
commit d5ca4d4ab1
1 zmienionych plików z 12 dodań i 21 usunięć
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33
src/core/path_gcc.c
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@ -39,26 +39,15 @@ void fab_write_gcc(struct fab_vars *v, char *output_file_name,
int i,x,y,z,current_z,layer_power,nsegs=0,npts=0;
float scale,xoffset,yoffset;
output_file = fopen(output_file_name,"w");
// scale = 600.0*v->dx/(25.4*(v->nx-1.0)); // 600 DPI
// FIXME: calculate proper scale
scale = 3.35f;
if (loc == 'l') {
xoffset = 600.0*(ox)/25.4;
yoffset = 600.0*(oy - v->dy)/25.4;
}
else if (loc == 'r') {
xoffset = 600.0*(ox - v->dx)/25.4;
yoffset = 600.0*(oy - v->dy)/25.4;
}
else if (loc == 'L') {
xoffset = 600.0*(ox)/25.4;
yoffset = 600.0*(oy)/25.4;
}
else if (loc == 'R') {
xoffset = 600.0*(ox - v->dx)/25.4;
yoffset = 600.0*(oy)/25.4;
}
// TODO: support machines with different heights
const float machine_height_mm = 460;
const float machine_unit_mm = 0.025;
const float mm_per_px = v->dx/v->nx;
scale = mm_per_px/machine_unit_mm;
xoffset = ox/machine_unit_mm;
yoffset = (machine_height_mm-oy)/machine_unit_mm;
// Limit filename to 80 chars
char *filename[80];
@ -130,7 +119,7 @@ void fab_write_gcc(struct fab_vars *v, char *output_file_name,
//
v->path->segment->point = v->path->segment->first;
x = xoffset + scale * v->path->segment->point->first->value;
y = yoffset + scale * v->path->segment->point->first->next->value;
y = yoffset - scale * v->path->segment->point->first->next->value;
if (v->path->dof >= 3) {
z = v->path->segment->point->first->next->next->value;
if (z != current_z) {
@ -151,7 +140,7 @@ void fab_write_gcc(struct fab_vars *v, char *output_file_name,
break;
v->path->segment->point = v->path->segment->point->next;
x = xoffset + scale * v->path->segment->point->first->value;
y = yoffset + scale * v->path->segment->point->first->next->value;
y = yoffset - scale * v->path->segment->point->first->next->value;
if (v->path->dof >= 3) {
z = v->path->segment->point->first->next->next->value;
if (z != current_z) {
@ -185,6 +174,8 @@ void fab_write_gcc(struct fab_vars *v, char *output_file_name,
//
fclose(output_file);
printf("wrote %s\n",output_file_name);
printf("offset X=%.2f, Y=%.2f\n", xoffset, yoffset);
printf("scale=%.4f", scale);
printf(" segments: %d, points: %d\n",nsegs,npts);
}