void write_file(const char* strName)
{
int i;
PlyFile *ply;
int num_elem_types;
/*** Write out the transformed PLY object ***/
FILE* pFile = fopen(strName,"w");
ply = write_ply (pFile, nelems, elem_names, PLY_ASCII);
/* describe what properties go into the vertex elements */
describe_element_ply (ply, "vertex", nverts);
describe_property_ply (ply, &vert_props[0]);
describe_property_ply (ply, &vert_props[1]);
describe_property_ply (ply, &vert_props[2]);
if (has_normals) {
describe_property_ply (ply, &vert_props[4]);
describe_property_ply (ply, &vert_props[5]);
describe_property_ply (ply, &vert_props[6]);
}
if (texture_coords) {
describe_property_ply (ply, &vert_props[7]);
describe_property_ply (ply, &vert_props[8]);
}
describe_element_ply (ply, "face", nfaces);
describe_property_ply (ply, &face_props[0]);
for (i = 0; i < ncomments; i++)
append_comment_ply (ply, comments[i]);
append_comment_ply (ply, "converted from OBJ by obj2ply");
header_complete_ply (ply);
/* set up and write the vertex elements */
put_element_setup_ply (ply, "vertex");
for (i = 0; i < nverts; i++)
put_element_ply (ply, &vVertex[i]);//(void *) &vlist[i]);
/* set up and write the face elements */
put_element_setup_ply (ply, "face");
for (i = 0; i < nfaces; i++){
int idx[3];
memcpy(idx,&vIndex[i*3],sizeof(int)*3);
Face f;
f.nverts = 3;
f.verts = idx;
put_element_ply (ply, (void *)&f);// &flist[i]);
}
close_ply (ply);
free_ply (ply);
fclose(pFile);
}
write_file()
{
int i;
PlyFile *ply;
int num_elem_types;
/*** Write out the transformed PLY object ***/
ply = write_ply (stdout, nelems, elem_names, PLY_ASCII);
/* describe what properties go into the vertex elements */
describe_element_ply (ply, "vertex", nverts);
describe_property_ply (ply, &vert_props[0]);
describe_property_ply (ply, &vert_props[1]);
describe_property_ply (ply, &vert_props[2]);
describe_element_ply (ply, "face", nfaces);
describe_property_ply (ply, &face_props[0]);
append_comment_ply (ply, "created by platoply");
header_complete_ply (ply);
/* set up and write the vertex elements */
put_element_setup_ply (ply, "vertex");
for (i = 0; i < nverts; i++)
put_element_ply (ply, (void *) &vlist[i]);
/* set up and write the face elements */
put_element_setup_ply (ply, "face");
for (i = 0; i < nfaces; i++)
put_element_ply (ply, (void *) &flist[i]);
close_ply (ply);
free_ply (ply);
}
write_file()
{
int i;
PlyFile *ply;
char **elist;
int num_elem_types;
/*** Write out the transformed PLY object ***/
elist = get_element_list_ply (in_ply, &num_elem_types);
ply = write_ply (stdout, num_elem_types, elist, in_ply->file_type);
/* describe what properties go into the vertex elements */
describe_element_ply (ply, "vertex", nverts);
describe_property_ply (ply, &vert_props[0]);
describe_property_ply (ply, &vert_props[1]);
describe_property_ply (ply, &vert_props[2]);
describe_other_properties_ply (ply, vert_other, offsetof(Vertex,other_props));
describe_other_elements_ply (ply, in_ply->other_elems);
copy_comments_ply (ply, in_ply);
append_comment_ply (ply, "modified by xformply");
copy_obj_info_ply (ply, in_ply);
header_complete_ply (ply);
/* set up and write the vertex elements */
put_element_setup_ply (ply, "vertex");
for (i = 0; i < nverts; i++)
put_element_ply (ply, (void *) vlist[i]);
put_other_elements_ply (ply);
close_ply (ply);
free_ply (ply);
}
void write_file ( void )
/******************************************************************************/
/*
Purpose:
WRITE_FILE writes the PLY file to the standard output unit.
Modified:
17 January 2011
Author:
Greg Turk
*/
{
int i;
int num_elem_types;
PlyFile *ply;
/*
Write out the transformed PLY object.
*/
ply = write_ply (stdout, nelems, elem_names, PLY_ASCII);
/*
Describe what properties go into the vertex elements.
*/
describe_element_ply (ply, "vertex", nverts);
describe_property_ply (ply, &vert_props[0]);
describe_property_ply (ply, &vert_props[1]);
describe_property_ply (ply, &vert_props[2]);
if ( has_normals )
{
describe_property_ply (ply, &vert_props[3]);
describe_property_ply (ply, &vert_props[4]);
describe_property_ply (ply, &vert_props[5]);
}
if (texture_coords)
{
describe_property_ply (ply, &vert_props[6]);
describe_property_ply (ply, &vert_props[7]);
}
describe_element_ply (ply, "face", nfaces);
describe_property_ply (ply, &face_props[0]);
/*
Insert the comments.
*/
for (i = 0; i < ncomments; i++)
{
append_comment_ply (ply, comments[i]);
}
append_comment_ply (ply, "converted from OBJ by obj2ply");
header_complete_ply (ply);
/*
Set up and write the vertex elements.
*/
put_element_setup_ply (ply, "vertex");
for (i = 0; i < nverts; i++)
{
put_element_ply (ply, (void *) &vlist[i]);
}
/*
Set up and write the face elements.
*/
put_element_setup_ply (ply, "face");
for (i = 0; i < nfaces; i++)
{
put_element_ply (ply, (void *) &flist[i]);
}
close_ply ( ply );
free_ply ( ply );
return;
}
main(int argc, char *argv[])
{
int i,j,k;
PlyFile *in_ply;
PlyFile *out_ply;
int nelems;
char **elist;
int file_type;
float version;
int nprops;
int num_elems;
PlyProperty **plist;
PlyProperty **plist_copy;
PlyProperty *prop;
char *elem_name;
char *data;
int offset;
int *offset_list;
int **lists;
int *list_count;
char **list_ptr;
int verbose_flag = 0;
#ifndef WRITE_ASCII
#ifndef WRITE_BINARY
fprintf (stderr, "'%s' compiled incorrectly.\n", argv[0]);
fprintf (stderr,
"Must have WRITE_ASCII or WRITE_BINARY defined during compile.\n");
exit (-1);
#endif
#endif
/* maybe print out help message */
#ifdef WRITE_ASCII
if (argc > 2 || (argc == 2 && !equal_strings (argv[1], "-p"))) {
fprintf (stderr, "usage: %s [flags] <infile >outfile\n", argv[0]);
fprintf (stderr, " -p (print element labels)\n");
exit (0);
}
#endif
#ifdef WRITE_BINARY
if (argc > 1) {
fprintf (stderr, "usage: %s <infile >outfile\n", argv[0]);
exit (0);
}
#endif
if (argc == 2 && equal_strings (argv[1], "-p"))
verbose_flag = 1;
/* open the input and output files */
in_ply = read_ply (stdin);
elist = get_element_list_ply (in_ply, &nelems);
#ifdef WRITE_ASCII
out_ply = write_ply (stdout, nelems, elist, PLY_ASCII);
#endif
#ifdef WRITE_BINARY
out_ply = write_ply (stdout, nelems, elist, PLY_BINARY_BE);
#endif
/* allocate space for various lists that keep track of the elements */
plist_copy = (PlyProperty **) malloc (sizeof (PlyProperty *) * nelems);
offset_list = (int *) malloc (sizeof (int) * nelems);
lists = (int **) malloc (sizeof (int *) * nelems);
list_count = (int *) malloc (sizeof (int));
/* go through each kind of element that we learned is in the file */
/* and come up with a list that has offsets for all properties */
for (i = 0; i < nelems; i++) {
/* get the description of the element */
elem_name = elist[i];
plist = get_element_description_ply(in_ply, elem_name, &num_elems, &nprops);
/* make room for a list of the lists in an element, so that */
/* we can later easily free up the space created by malloc'ed lists */
list_count[i] = 0;
lists[i] = (int *) malloc (sizeof (int) * nprops);
/* set up pointers into data */
offset = 0;
for (j = 0; j < nprops; j++) {
plist[j]->offset = offset;
offset += 8;
if (plist[j]->is_list) {
plist[j]->count_offset = offset;
lists[i][list_count[i]] = offset - 8;
list_count[i]++;
offset += 8;
}
}
offset_list[i] = offset;
/* copy the property list */
plist_copy[i] = (PlyProperty *) malloc (sizeof (PlyProperty) * nprops);
prop = plist_copy[i];
for (j = 0; j < nprops; j++) {
prop->name = plist[j]->name;
prop->external_type = plist[j]->external_type;
prop->internal_type = plist[j]->external_type;
prop->offset = plist[j]->offset;
prop->is_list = plist[j]->is_list;
prop->count_external = plist[j]->count_external;
prop->count_internal = plist[j]->count_external;
prop->count_offset = plist[j]->count_offset;
prop++;
}
element_layout_ply (out_ply, elem_name, num_elems, nprops, plist_copy[i]);
}
/* copy the comments and obj_info */
copy_comments_ply (out_ply, in_ply);
copy_obj_info_ply (out_ply, in_ply);
/* finish the header for the output file */
header_complete_ply (out_ply);
/* copy all the element information */
for (i = 0; i < nelems; i++) {
/* get the description of the element */
elem_name = elist[i];
plist = get_element_description_ply(in_ply, elem_name, &num_elems, &nprops);
/* allocate space for an element */
data = (char *) malloc (8 * offset_list[i]);
/* set up for getting elements */
get_element_setup_ply (in_ply, elem_name, nprops, plist_copy[i]);
put_element_setup_ply (out_ply, elem_name);
/* possibly print out name of element */
if (verbose_flag)
fprintf (out_ply->fp, "%s:\n", elem_name);
/* copy all the elements */
if (list_count[i]) {
/* need to free the lists */
for (j = 0; j < num_elems; j++) {
get_element_ply (in_ply, (void *) data);
put_element_ply (out_ply, (void *) data);
for (k = 0; k < list_count[i]; k++) {
list_ptr = (char **) (data + lists[i][k]);
free (*list_ptr);
}
}
}
else {
/* no lists */
for (j = 0; j < num_elems; j++) {
get_element_ply (in_ply, (void *) data);
put_element_ply (out_ply, (void *) data);
}
}
}
/* close the PLY files */
close_ply (in_ply);
close_ply (out_ply);
}
void
TrisetObject::save()
{
bool has_normals = (m_normals.count() > 0);
bool per_vertex_color = (m_vcolor.count() > 0);
QString flnm = QFileDialog::getSaveFileName(0,
"Export mesh to file",
Global::previousDirectory(),
"*.ply");
if (flnm.size() == 0)
return;
typedef struct PlyFace
{
unsigned char nverts; /* number of Vertex indices in list */
int *verts; /* Vertex index list */
} PlyFace;
typedef struct
{
float x, y, z; /**< Vertex coordinates */
float nx, ny, nz; /**< Vertex normal */
uchar r, g, b;
} myVertex ;
PlyProperty vert_props[] = { /* list of property information for a PlyVertex */
{"x", Float32, Float32, offsetof( myVertex,x ), 0, 0, 0, 0},
{"y", Float32, Float32, offsetof( myVertex,y ), 0, 0, 0, 0},
{"z", Float32, Float32, offsetof( myVertex,z ), 0, 0, 0, 0},
{"nx", Float32, Float32, offsetof( myVertex,nx ), 0, 0, 0, 0},
{"ny", Float32, Float32, offsetof( myVertex,ny ), 0, 0, 0, 0},
{"nz", Float32, Float32, offsetof( myVertex,nz ), 0, 0, 0, 0},
{"red", Uint8, Uint8, offsetof( myVertex,r ), 0, 0, 0, 0},
{"green", Uint8, Uint8, offsetof( myVertex,g ), 0, 0, 0, 0},
{"blue", Uint8, Uint8, offsetof( myVertex,b ), 0, 0, 0, 0}
};
PlyProperty face_props[] = { /* list of property information for a PlyFace */
{"vertex_indices", Int32, Int32, offsetof( PlyFace,verts ),
1, Uint8, Uint8, offsetof( PlyFace,nverts )},
};
PlyFile *ply;
FILE *fp = fopen(flnm.toAscii().data(),
bin ? "wb" : "w");
PlyFace face ;
int verts[3] ;
char *elem_names[] = { "vertex", "face" };
ply = write_ply (fp,
2,
elem_names,
bin? PLY_BINARY_LE : PLY_ASCII );
int nvertices = m_vertices.count();
/* describe what properties go into the PlyVertex elements */
describe_element_ply ( ply, "vertex", nvertices );
describe_property_ply ( ply, &vert_props[0] );
describe_property_ply ( ply, &vert_props[1] );
describe_property_ply ( ply, &vert_props[2] );
describe_property_ply ( ply, &vert_props[3] );
describe_property_ply ( ply, &vert_props[4] );
describe_property_ply ( ply, &vert_props[5] );
describe_property_ply ( ply, &vert_props[6] );
describe_property_ply ( ply, &vert_props[7] );
describe_property_ply ( ply, &vert_props[8] );
/* describe PlyFace properties (just list of PlyVertex indices) */
int ntriangles = m_triangles.count()/3;
describe_element_ply ( ply, "face", ntriangles );
describe_property_ply ( ply, &face_props[0] );
header_complete_ply ( ply );
/* set up and write the PlyVertex elements */
put_element_setup_ply ( ply, "vertex" );
for(int i=0; i<m_vertices.count(); i++)
{
myVertex vertex;
vertex.x = m_vertices[i].x*m_scale.x;
vertex.y = m_vertices[i].y*m_scale.y;
vertex.z = m_vertices[i].z*m_scale.z;
if (has_normals)
{
vertex.nx = m_normals[i].x;
vertex.ny = m_normals[i].y;
vertex.nz = m_normals[i].z;
}
if (per_vertex_color)
{
vertex.r = 255*m_vcolor[i].x;
vertex.g = 255*m_vcolor[i].y;
vertex.b = 255*m_vcolor[i].z;
}
put_element_ply ( ply, ( void * ) &vertex );
}
put_element_setup_ply ( ply, "face" );
face.nverts = 3 ;
face.verts = verts ;
for(int i=0; i<m_triangles.count()/3; i++)
{
int v0 = m_triangles[3*i];
int v1 = m_triangles[3*i+1];
int v2 = m_triangles[3*i+2];
face.verts[0] = v0;
face.verts[1] = v1;
face.verts[2] = v2;
put_element_ply ( ply, ( void * ) &face );
}
close_ply ( ply );
free_ply ( ply );
fclose( fp ) ;
QMessageBox::information(0, "Save Mesh", "done");
}
void
MeshGenerator::savePLY(QString flnm)
{
m_meshLog->moveCursor(QTextCursor::End);
m_meshLog->insertPlainText("Saving Mesh");
PlyProperty vert_props[] = { /* list of property information for a PlyVertex */
{"x", Float32, Float32, offsetof( Vertex,x ), 0, 0, 0, 0},
{"y", Float32, Float32, offsetof( Vertex,y ), 0, 0, 0, 0},
{"z", Float32, Float32, offsetof( Vertex,z ), 0, 0, 0, 0},
{"nx", Float32, Float32, offsetof( Vertex,nx ), 0, 0, 0, 0},
{"ny", Float32, Float32, offsetof( Vertex,ny ), 0, 0, 0, 0},
{"nz", Float32, Float32, offsetof( Vertex,nz ), 0, 0, 0, 0},
{"red", Uint8, Uint8, offsetof( Vertex,r ), 0, 0, 0, 0},
{"green", Uint8, Uint8, offsetof( Vertex,g ), 0, 0, 0, 0},
{"blue", Uint8, Uint8, offsetof( Vertex,b ), 0, 0, 0, 0}
};
PlyProperty face_props[] = { /* list of property information for a PlyFace */
{"vertex_indices", Int32, Int32, offsetof( Face,verts ),
1, Uint8, Uint8, offsetof( Face,nverts )},
};
PlyFile *ply;
FILE *fp = fopen(flnm.toLatin1().data(), "wb");
Face face ;
int verts[3] ;
char *elem_names[] = { "vertex", "face" };
ply = write_ply (fp,
2,
elem_names,
PLY_BINARY_LE );
/* describe what properties go into the PlyVertex elements */
describe_element_ply ( ply, "vertex", m_nverts );
describe_property_ply ( ply, &vert_props[0] );
describe_property_ply ( ply, &vert_props[1] );
describe_property_ply ( ply, &vert_props[2] );
describe_property_ply ( ply, &vert_props[3] );
describe_property_ply ( ply, &vert_props[4] );
describe_property_ply ( ply, &vert_props[5] );
describe_property_ply ( ply, &vert_props[6] );
describe_property_ply ( ply, &vert_props[7] );
describe_property_ply ( ply, &vert_props[8] );
/* describe PlyFace properties (just list of PlyVertex indices) */
describe_element_ply ( ply, "face", m_nfaces );
describe_property_ply ( ply, &face_props[0] );
header_complete_ply ( ply );
/* set up and write the PlyVertex elements */
put_element_setup_ply ( ply, "vertex" );
for(int ni=0; ni<m_nverts; ni++)
put_element_ply ( ply, ( void * ) m_vlist[ni] );
/* set up and write the PlyFace elements */
put_element_setup_ply ( ply, "face" );
for(int ni=0; ni<m_nfaces; ni++)
put_element_ply ( ply, ( void * ) m_flist[ni] );
close_ply ( ply );
free_ply ( ply );
m_meshProgress->setValue(100);
}
write_file()
{
int i;
PlyFile *ply;
char **elist;
int num_elem_types;
/*** Write out the transformed PLY object ***/
elist = get_element_list_ply (in_ply, &num_elem_types);
ply = write_ply (stdout, num_elem_types, elist, in_ply->file_type);
/* describe what properties go into the vertex elements */
/* (position x,y,z and normals nx,ny,nz if they were provided) */
describe_element_ply (ply, "vertex", nverts);
describe_property_ply (ply, &vert_props[0]);
describe_property_ply (ply, &vert_props[1]);
describe_property_ply (ply, &vert_props[2]);
if (has_nx) describe_property_ply (ply, &vert_props[3]);
if (has_ny) describe_property_ply (ply, &vert_props[4]);
if (has_nz) describe_property_ply (ply, &vert_props[5]);
/* all other vertex properties besides position and normal */
describe_other_properties_ply (ply, vert_other, offsetof(Vertex,other_props));
/* describe face properties (just list of vertex indices) */
describe_element_ply (ply, "face", nfaces);
describe_property_ply (ply, &face_props[0]);
describe_other_properties_ply (ply, face_other, offsetof(Face,other_props));
/* all other properties that we tucked away are mentioned here */
describe_other_elements_ply (ply, in_ply->other_elems);
/* copy the comments and other textual object information */
copy_comments_ply (ply, in_ply);
append_comment_ply (ply, "modified by flipply");
copy_obj_info_ply (ply, in_ply);
/* we've told the routines enough information so that the file header */
/* can be written out now */
header_complete_ply (ply);
/* set up and write the vertex elements */
put_element_setup_ply (ply, "vertex");
for (i = 0; i < nverts; i++)
put_element_ply (ply, (void *) vlist[i]);
/* set up and write the face elements */
put_element_setup_ply (ply, "face");
for (i = 0; i < nfaces; i++)
put_element_ply (ply, (void *) flist[i]);
/* the other properties that we tucked away are written out here */
put_other_elements_ply (ply);
/* close the file and free up the memory */
close_ply (ply);
free_ply (ply);
}
