45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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#include <stdio.h>
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#include "rply.h"
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static int vertex_cb(p_ply_argument argument) {
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long eol;
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ply_get_argument_user_data(argument, NULL, &eol);
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printf("%g", ply_get_argument_value(argument));
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if (eol) printf("\n");
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else printf(" ");
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return 1;
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}
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static int face_cb(p_ply_argument argument) {
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long length, value_index;
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ply_get_argument_property(argument, NULL, &length, &value_index);
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switch (value_index) {
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case 0:
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case 1:
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printf("%g ", ply_get_argument_value(argument));
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break;
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case 2:
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printf("%g\n", ply_get_argument_value(argument));
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break;
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default:
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break;
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}
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return 1;
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}
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int main(void) {
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long nvertices, ntriangles;
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p_ply ply = ply_open("input.ply", NULL, 0, NULL);
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if (!ply) return 1;
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if (!ply_read_header(ply)) return 1;
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nvertices = ply_set_read_cb(ply, "vertex", "x", vertex_cb, NULL, 0);
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ply_set_read_cb(ply, "vertex", "y", vertex_cb, NULL, 0);
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ply_set_read_cb(ply, "vertex", "z", vertex_cb, NULL, 1);
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ntriangles = ply_set_read_cb(ply, "face", "vertex_indices", face_cb, NULL, 0);
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printf("%ld\n%ld\n", nvertices, ntriangles);
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if (!ply_read(ply)) return 1;
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ply_close(ply);
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return 0;
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}
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