getoptified, made show_model an optoin
This commit is contained in:
Trammell Hudson
parent
4237a942ce
commit
f1902ea0b7
266
corners.c
266
corners.c
@ -17,11 +17,13 @@
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#include <math.h>
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#include <err.h>
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#include <assert.h>
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#include <getopt.h>
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#include "v3.h"
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#include "stl_3d.h"
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static FILE * output;
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static int verbose;
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static v3_t avg_x, avg_y, avg_z;
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static void
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print_multmatrix(
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@ -29,7 +31,7 @@ print_multmatrix(
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const int transpose
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)
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{
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printf("multmatrix(m=["
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fprintf(output, "multmatrix(m=["
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"[%f,%f,%f,0],"
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"[%f,%f,%f,0],"
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"[%f,%f,%f,0],"
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@ -50,7 +52,7 @@ print_multmatrix(
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static void
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print_normal(
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const v3_t * normal,
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int flip
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int show_model
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)
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{
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const float x = normal->p[0];
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@ -60,12 +62,12 @@ print_normal(
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const double b = acos(z / length);
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const double c = x == 0 ? sign(y)*90 : atan2(y,x);
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if (flip)
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if (!show_model)
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{
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printf("rotate([0,%f,0])", -b*180/M_PI);
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printf("rotate([0,0,%f])", -c*180/M_PI);
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fprintf(output, "rotate([0,%f,0])", -b*180/M_PI);
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fprintf(output, "rotate([0,0,%f])", -c*180/M_PI);
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} else {
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printf("rotate([%f,%f,%f])\n", 0.0, b * 180 / M_PI, c * 180 / M_PI);
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fprintf(output, "rotate([%f,%f,%f])\n", 0.0, b * 180 / M_PI, c * 180 / M_PI);
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}
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}
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@ -74,7 +76,7 @@ static void
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find_normal(
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const stl_3d_t * const stl,
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const stl_vertex_t * const v,
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const float inset_dist,
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const float inset_distance,
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v3_t * const avg
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)
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{
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@ -126,7 +128,7 @@ find_normal(
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);
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double x, y;
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refframe_inset(&ref, inset_dist, &x, &y, p1, p2, p3);
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refframe_inset(&ref, inset_distance, &x, &y, p1, p2, p3);
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v3_t hole = refframe_project(&ref, (v3_t){{x,y,0}});
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//hole = refframe_project(&ref, (v3_t){{10,0,0}});
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@ -139,130 +141,141 @@ find_normal(
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hole.p[2]
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);
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#if 0
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printf("color(\"green\") translate([%f,%f,%f]) sphere(r=1);\n",
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hole.p[0],
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hole.p[1],
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hole.p[2]
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);
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hole = refframe_project(&ref, (v3_t){10,0,0});
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//v3_t hole = refframe_project(&ref, (v3_t){5,5,0});
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printf("translate([%f,%f,%f]) sphere(r=1);\n",
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hole.p[0],
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hole.p[1],
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hole.p[2]
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);
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/*
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hole = refframe_project(&ref, (v3_t){0,10,0});
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//v3_t hole = refframe_project(&ref, (v3_t){5,5,0});
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printf("%%translate([%f,%f,%f]) sphere(r=1);\n",
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hole.p[0],
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hole.p[1],
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hole.p[2]
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);
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*/
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#endif
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//*avg = v3_add(*avg, ref.z);
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*avg = v3_add(*avg, v3_norm(v3_sub(ref.origin, hole)));
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//*avg = v3_add(*avg, (v3_sub(hole, ref.origin)));
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}
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}
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#if 0
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// use the transpose of the rotation matrix,
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// which will rotate from (x,y) to the correct
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// orientation relative to this connector node.
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print_multmatrix(&ref, 1);
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printf("{\n");
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// generate the polygon plane
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if (thickness != 0)
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{
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printf("translate([0,0,%f]) linear_extrude(height=%f) polygon(points=[\n",
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translate,
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thickness
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);
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for(int k=0 ; k < vertex_count ; k++)
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{
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double x, y;
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refframe_inset(&ref, inset_dist, &x, &y,
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vertex_list[(k+0) % vertex_count]->p,
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vertex_list[(k+1) % vertex_count]->p,
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vertex_list[(k+2) % vertex_count]->p
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);
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printf("[%f,%f],", x, y);
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}
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printf("\n]);\n");
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}
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// generate the mounting holes/pins
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if (hole_rad != 0)
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{
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for(int k=0 ; k < vertex_count ; k++)
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{
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double x, y;
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refframe_inset(&ref, inset_dist+hole_dist, &x, &y,
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vertex_list[(k+0) % vertex_count]->p,
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vertex_list[(k+1) % vertex_count]->p,
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vertex_list[(k+2) % vertex_count]->p
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);
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printf("translate([%f,%f,%f]) cylinder(r=%f,h=%f, $fs=1);\n",
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x, y, -hole_height/2,
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hole_rad,
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hole_height
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);
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}
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}
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printf("}\n");
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}
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#endif
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free(face_used);
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free(vertex_list);
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}
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static struct option long_options[] =
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{
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{ "verbose", no_argument, 0, 'v' },
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{ "model", no_argument, 0, 'm' },
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{ "inset", required_argument, 0, 'i' },
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{ "radius", required_argument, 0, 'r' },
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{ "input", required_argument, 0, 'I' },
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{ "output", required_argument, 0, 'O' },
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{ 0, 0, 0, 0 },
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};
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static void
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usage(
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FILE * const out
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)
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{
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fprintf(out,
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"Usage: corners [options] -I stl-binary.stl > corners.scad\n"
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"Options:\n"
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" -v | --verbose Enable verbosity\n"
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" -i | --inset N Inset mm\n"
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" -r | --radius N Hole radius mm\n"
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" -I | --input file Read binary STL from file\n"
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" -O | --output file Write SVG to file\n"
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" -m | --model Generate a 3D model instead of corners\n"
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"\n"
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);
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}
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int
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main(
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int argc,
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char ** argv
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)
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{
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if (argc <= 1)
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double inset_distance = 5;
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double hole_radius = 1.15;
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const char * input_file = NULL;
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const char * output_file = NULL;
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int show_model = 0;
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int option_index = 0;
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while (1)
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{
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fprintf(stderr, "Usage: corners file.stl > file-corners.scad\n");
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const int c = getopt_long(
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argc,
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argv,
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"vmI:r:i:O:",
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long_options,
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&option_index
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);
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if (c == -1)
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break;
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switch(c)
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{
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case 'm': show_model = 1; break;
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case 'v': verbose++; break;
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case 'i': inset_distance = atof(optarg); break;
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case 'r': hole_radius = atof(optarg); break;
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case 'I': input_file = optarg; break;
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case 'O': output_file = optarg; break;
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case 'h': case '?':
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usage(stdout);
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return 0;
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default:
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usage(stderr);
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return -1;
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}
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const char * const stl_name = argv[1];
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int fd = open(stl_name, O_RDONLY);
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if (fd < 0)
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{
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perror(stl_name);
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return -1;
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}
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stl_3d_t * const stl = stl_3d_parse(fd);
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int input_fd;
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if (!input_file)
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{
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fprintf(stderr, "Input STL must be specified\n");
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return -1;
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} else {
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input_fd = open(input_file, O_RDONLY);
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if (input_fd < 0)
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{
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perror(input_file);
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return -1;
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}
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}
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if (!output_file)
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{
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output_file = "stdout";
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output = stdout;
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} else {
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output = fopen(output_file, "w");
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if (!output)
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{
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perror(output_file);
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return -1;
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}
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}
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stl_3d_t * const stl = stl_3d_parse(input_fd);
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if (!stl)
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{
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fprintf(stderr, "%s: Unable to parse STL\n", input_file);
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return EXIT_FAILURE;
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close(fd);
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}
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close(input_fd);
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printf("module model() {\n"
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if (verbose)
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fprintf(stderr,
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"%s: %d faces, %d vertex\n",
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input_file,
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stl->num_face,
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stl->num_vertex
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);
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fprintf(output, "module model() {\n"
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"render() difference() {\n"
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"import(\"%s\");\n",
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stl_name
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input_file
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);
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//printf("%%model();\n");
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const double thickness = 3;
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const double inset_dist = 5;
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const double hole_dist = 5;
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const double hole_rad = 1.5;
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int * const face_used
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= calloc(sizeof(*face_used), stl->num_face);
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const stl_vertex_t ** const vertex_list
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@ -297,14 +310,14 @@ main(
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//ref.origin.p[1] = 0;
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//ref.origin.p[2] = 0;
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printf("translate([%f,%f,%f])",
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fprintf(output, "translate([%f,%f,%f])",
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f->vertex[0]->p.p[0],
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f->vertex[0]->p.p[1],
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f->vertex[0]->p.p[2]
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);
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print_multmatrix(&ref, 0);
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printf("{\n");
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fprintf(output, "{\n");
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// generate a bolt hole for each non-copolanar corner
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for (int j = 0 ; j < vertex_count ; j++)
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@ -312,7 +325,7 @@ main(
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double x, y;
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refframe_inset(
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&ref,
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inset_dist,
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inset_distance,
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&x,
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&y,
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vertex_list[(j+0) % vertex_count]->p,
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@ -320,22 +333,21 @@ main(
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vertex_list[(j+2) % vertex_count]->p
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);
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printf("translate([%f,%f,0]) cylinder(r=%f, h=%f, center=true);\n",
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fprintf(output, "translate([%f,%f,0]) cylinder(r=%f, h=%f, center=true);\n",
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x,
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y,
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hole_rad,
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hole_radius,
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10.0
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);
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}
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printf("}\n");
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fprintf(output, "}\n");
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}
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printf("}\n}\n");
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fprintf(output, "}\n}\n");
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const int flip = 1;
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if (!flip)
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printf("model();\n");
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if (show_model)
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fprintf(output, "model();\n");
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// For each vertex, extract a small region around the corner
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@ -348,34 +360,34 @@ main(
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const v3_t origin = v->p;
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v3_t avg = {{ 0, 0, 0}};
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find_normal(stl, v, inset_dist, &avg);
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find_normal(stl, v, inset_distance, &avg);
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if (flip)
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if (!show_model)
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{
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printf("translate([%f,%f,20])", (i/div)*spacing, (i%div)*spacing);
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printf("render() intersection()");
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fprintf(output, "translate([%f,%f,20])", (i/div)*spacing, (i%div)*spacing);
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fprintf(output, "render() intersection()");
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}
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printf("{\n");
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fprintf(output, "{\n");
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//printf("%%\n");
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if (flip)
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if (!show_model)
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{
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print_normal(&avg, 1);
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printf("translate([%f,%f,%f])",
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print_normal(&avg, show_model);
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fprintf(output, "translate([%f,%f,%f])",
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-origin.p[0], -origin.p[1], -origin.p[2]);
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printf("model();\n");
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printf("translate([0,0,-20]) cylinder(r=15,h=20);\n");
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fprintf(output, "model();\n");
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fprintf(output, "translate([0,0,-20]) cylinder(r=15,h=20);\n");
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} else {
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printf("translate([%f,%f,%f])",
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fprintf(output, "translate([%f,%f,%f])",
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origin.p[0], origin.p[1], origin.p[2]);
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print_normal(&avg, 0);
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printf("%%translate([0,0,-20]) cylinder(r=15,h=20);\n");
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print_normal(&avg, show_model);
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fprintf(output, "%%translate([0,0,-20]) cylinder(r=15,h=20);\n");
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}
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//avg = v3_norm(avg);
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printf("}\n");
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fprintf(output, "}\n");
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}
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return 0;
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