formatted_io6

Two models, A & B, that send/receive 3D mesh data as Wavefront Obj meshes. Model A receives input from a file and then sends it’s output to model B. Model B receives input from model A and sends it’s output to a file.

C Version

Model Code:

 1#include <stdio.h>
 2// Include methods for input/output channels
 3#include "YggInterface.h"
 4
 5int main(int argc, char *argv[]) {
 6  // Initialize input/output channels
 7  yggObjInput_t in_channel = yggObjInput("inputA");
 8  yggObjOutput_t out_channel = yggObjOutput("outputA");
 9
10  // Declare resulting variables and create buffer for received message
11  int flag = 1;
12  obj_t p = init_obj();
13
14  // Loop until there is no longer input or the queues are closed
15  while (flag >= 0) {
16  
17    // Receive input from input channel
18    // If there is an error, the flag will be negative
19    // Otherwise, it is the size of the received message
20    flag = yggRecv(in_channel, &p);
21    if (flag < 0) {
22      printf("Model A: No more input.\n");
23      break;
24    }
25
26    // Print received message
27    printf("Model A: (%d verts, %d faces)\n", p.nvert, p.nface);
28    display_obj_indent(p, "  ");
29
30    // Send output to output channel
31    // If there is an error, the flag will be negative
32    flag = yggSend(out_channel, p);
33    if (flag < 0) {
34      printf("Model A: Error sending output.\n");
35      break;
36    }
37
38  }
39
40  // Free dynamically allocated obj structure
41  free_obj(&p);
42  
43  return 0;
44}
45
 1#include <stdio.h>
 2// Include methods for input/output channels
 3#include "YggInterface.h"
 4
 5int main(int argc, char *argv[]) {
 6  // Initialize input/output channels
 7  yggObjInput_t in_channel = yggObjInput("inputB");
 8  yggObjOutput_t out_channel = yggObjOutput("outputB");
 9
10  // Declare resulting variables and create buffer for received message
11  int flag = 1;
12  obj_t p = init_obj();
13
14  // Loop until there is no longer input or the queues are closed
15  while (flag >= 0) {
16  
17    // Receive input from input channel
18    // If there is an error, the flag will be negative
19    // Otherwise, it is the size of the received message
20    flag = yggRecv(in_channel, &p);
21    if (flag < 0) {
22      printf("Model B: No more input.\n");
23      break;
24    }
25
26    // Print received message
27    printf("Model B: (%d verts, %d faces)\n", p.nvert, p.nface);
28    display_obj_indent(p, "  ");
29
30    // Send output to output channel
31    // If there is an error, the flag will be negative
32    flag = yggSend(out_channel, p);
33    if (flag < 0) {
34      printf("Model B: Error sending output.\n");
35      break;
36    }
37
38  }
39  
40  // Free dynamically allocated obj structure
41  free_obj(&p);
42  
43  return 0;
44}
45

Model YAML:

 1models:
 2  - name: c_modelA
 3    language: c
 4    args: ./src/formatted_io6_modelA.c
 5    inputs: inputA
 6    outputs: outputA
 7
 8  - name: c_modelB
 9    language: c
10    args: ./src/formatted_io6_modelB.c
11    inputs: inputB
12    outputs: outputB
13
14connections:
15  - input: outputA  # Connection between model A output & model B input
16    output: inputB
17  - input: ./Input/input.obj  # Connection between file and model A input
18    output: inputA
19    filetype: obj
20  - input: outputB  # Connection between model B output and file
21    output: ./output.obj
22    filetype: obj

C++ Version

Model Code:

 1#include <iostream>
 2// Include methods for input/output channels
 3#include "YggInterface.hpp"
 4
 5int main(int argc, char *argv[]) {
 6  // Initialize input/output channels
 7  YggObjInput in_channel("inputA");
 8  YggObjOutput out_channel("outputA");
 9
10  // Declare resulting variables and create buffer for received message
11  int flag = 1;
12  obj_t p = init_obj();
13
14  // Loop until there is no longer input or the queues are closed
15  while (flag >= 0) {
16  
17    // Receive input from input channel
18    // If there is an error, the flag will be negative
19    // Otherwise, it is the size of the received message
20    flag = in_channel.recv(1, &p);
21    if (flag < 0) {
22      std::cout << "Model A: No more input." << std::endl;
23      break;
24    }
25
26    // Print received message
27    printf("Model A: (%d verts, %d faces)\n", p.nvert, p.nface);
28    display_obj_indent(p, "  ");
29
30    // Send output to output channel
31    // If there is an error, the flag will be negative
32    flag = out_channel.send(1, p);
33    if (flag < 0) {
34      std::cout << "Model A: Error sending output." << std::endl;
35      break;
36    }
37
38  }
39  
40  // Free dynamically allocated structure
41  free_obj(&p);
42  
43  return 0;
44}
 1#include <iostream>
 2// Include methods for input/output channels
 3#include "YggInterface.hpp"
 4
 5#define MYBUFSIZ 1000
 6
 7int main(int argc, char *argv[]) {
 8  // Initialize input/output channels
 9  YggObjInput in_channel("inputB");
10  YggObjOutput out_channel("outputB");
11
12  // Declare resulting variables and create buffer for received message
13  int flag = 1;
14  obj_t p = init_obj();
15
16  // Loop until there is no longer input or the queues are closed
17  while (flag >= 0) {
18  
19    // Receive input from input channel
20    // If there is an error, the flag will be negative
21    // Otherwise, it is the size of the received message
22    flag = in_channel.recv(1, &p);
23    if (flag < 0) {
24      std::cout << "Model B: No more input." << std::endl;
25      break;
26    }
27
28    // Print received message
29    printf("Model B: (%d verts, %d faces)\n", p.nvert, p.nface);
30    display_obj_indent(p, "  ");
31
32    // Send output to output channel
33    // If there is an error, the flag will be negative
34    flag = out_channel.send(1, p);
35    if (flag < 0) {
36      std::cout << "Model B: Error sending output." << std::endl;
37      break;
38    }
39
40  }
41  
42  // Free dynamically allocated structure
43  free_obj(&p);
44  
45  return 0;
46}

Model YAML:

 1models:
 2  - name: cpp_modelA
 3    language: c++
 4    args: ./src/formatted_io6_modelA.cpp
 5    inputs: inputA
 6    outputs: outputA
 7
 8  - name: cpp_modelB
 9    language: c++
10    args: ./src/formatted_io6_modelB.cpp
11    inputs: inputB
12    outputs: outputB
13
14connections:
15  - input: outputA  # Connection between model A output & model B input
16    output: inputB
17  - input: ./Input/input.obj  # Connection between file and model A input
18    output: inputA
19    filetype: obj
20  - input: outputB  # Connection between model B output and file
21    output: ./output.obj
22    filetype: obj

Fortran Version

Model Code:

 1program main
 2  ! Include methods for input/output channels
 3  use fygg
 4
 5  ! Declare resulting variables and create buffer for received message
 6  logical :: flag = .true.
 7  type(yggcomm) :: in_channel, out_channel
 8  type(yggobj) :: p
 9  p = init_obj()
10
11  ! initialize input/output channels
12  in_channel = ygg_obj_input("inputA")
13  out_channel = ygg_obj_output("outputA")
14
15  ! Loop until there is no longer input or the queues are closed
16  do while (flag)
17
18     ! Receive input from input channel
19     ! If there is an error, the flag will be negative
20     ! Otherwise, it is the number of variables filled
21     flag = ygg_recv_var(in_channel, yggarg(p))
22     if (.not.flag) then
23        print *, "Model A: No more input."
24        exit
25     end if
26
27     ! Print received message
28     print *, "Model A: (", p%nvert, " verts, ", p%nface, " faces)"
29     call display_obj_indent(p, "  ")
30
31     ! Send output to output channel
32     ! If there is an error, the flag will be negative
33     flag = ygg_send_var(out_channel, yggarg(p))
34     if (.not.flag) then
35        print *, "Model A: Error sending output."
36        exit
37     end if
38
39  end do
40
41end program main
 1program main
 2  ! Include methods for input/output channels
 3  use fygg
 4
 5  ! Declare resulting variables and create buffer for received message
 6  logical :: flag = .true.
 7  type(yggcomm) :: in_channel, out_channel
 8  type(yggobj) :: p
 9  p = init_obj()
10
11  ! initialize input/output channels
12  in_channel = ygg_obj_input("inputB")
13  out_channel = ygg_obj_output("outputB")
14
15  ! Loop until there is no longer input or the queues are closed
16  do while (flag)
17
18     ! Receive input from input channel
19     ! If there is an error, the flag will be negative
20     ! Otherwise, it is the number of variables filled
21     flag = ygg_recv_var(in_channel, yggarg(p))
22     if (.not.flag) then
23        print *, "Model B: No more input."
24        exit
25     end if
26
27     ! Print received message
28     print *, "Model B: (", p%nvert, " verts, ", p%nface, " faces)"
29     call display_obj_indent(p, "  ")
30
31     ! Send output to output channel
32     ! If there is an error, the flag will be negative
33     flag = ygg_send_var(out_channel, yggarg(p))
34     if (.not.flag) then
35        print *, "Model B: Error sending output."
36        exit
37     end if
38
39  end do
40
41end program main

Model YAML:

 1models:
 2  - name: fortran_modelA
 3    language: fortran
 4    args: ./src/formatted_io6_modelA.f90
 5    inputs: inputA
 6    outputs: outputA
 7
 8  - name: fortran_modelB
 9    language: fortran
10    args: ./src/formatted_io6_modelB.f90
11    inputs: inputB
12    outputs: outputB
13
14connections:
15  - input: outputA  # Connection between model A output & model B input
16    output: inputB
17  - input: ./Input/input.obj  # Connection between file and model A input
18    output: inputA
19    filetype: obj
20  - input: outputB  # Connection between model B output and file
21    output: ./output.obj
22    filetype: obj

Matlab Version

Model Code:

 1% Initialize input/output channels 
 2in_channel = YggInterface('YggObjInput', 'inputA');
 3out_channel = YggInterface('YggObjOutput', 'outputA');
 4
 5flag = true;
 6
 7% Loop until there is no longer input or the queues are closed
 8while flag
 9
10  % Receive input from input channel
11  % If there is an error, the flag will be False.
12  [flag, obj] = in_channel.recv();
13  if (~flag)
14    disp('Model A: No more input.');
15    break;
16  end;
17
18  % Print received message
19  fprintf('Model A: (%d verts, %d faces)\n', ...
20          length(obj('vertices')), length(obj('faces')));
21  disp(obj);
22
23  % Send output to output channel
24  % If there is an error, the flag will be False
25  flag = out_channel.send(obj);
26  if (~flag)
27    error('Model A: Error sending output.');
28    break;
29  end;
30  
31end;
 1% Initialize input/output channels 
 2in_channel = YggInterface('YggObjInput', 'inputB');
 3out_channel = YggInterface('YggObjOutput', 'outputB');
 4
 5flag = true;
 6
 7% Loop until there is no longer input or the queues are closed
 8while flag
 9
10  % Receive input from input channel
11  % If there is an error, the flag will be False.
12  [flag, obj] = in_channel.recv();
13  if (~flag)
14    disp('Model B: No more input.');
15    break;
16  end;
17
18  % Print received message
19  fprintf('Model B: (%d verts, %d faces)\n', ...
20          length(obj('vertices')), length(obj('faces')));
21  disp(obj);
22
23  % Send output to output channel
24  % If there is an error, the flag will be False
25  flag = out_channel.send(obj);
26  if (~flag)
27    error('Model B: Error sending output.');
28    break;
29  end;
30  
31end;

Model YAML:

 1models:
 2  - name: matlab_modelA
 3    language: matlab
 4    args: ./src/formatted_io6_modelA.m
 5    inputs: inputA
 6    outputs: outputA
 7
 8  - name: matlab_modelB
 9    language: matlab
10    args: ./src/formatted_io6_modelB.m
11    inputs: inputB
12    outputs: outputB
13
14connections:
15  - input: outputA  # Connection between model A output & model B input
16    output: inputB
17  - input: ./Input/input.obj  # Connection between file and model A input
18    output: inputA
19    filetype: obj
20  - input: outputB  # Connection between model B output and file
21    output: ./output.obj
22    filetype: obj

Python Version

Model Code:

 1import pprint
 2# Import classes for input/output channels
 3from yggdrasil.interface.YggInterface import (
 4    YggObjInput, YggObjOutput)
 5
 6# Initialize input/output channels
 7in_channel = YggObjInput('inputA')
 8out_channel = YggObjOutput('outputA')
 9
10# Loop until there is no longer input or the queues are closed
11while True:
12
13    # Receive input from input channel
14    # If there is an error, the flag will be False
15    flag, obj = in_channel.recv()
16    if not flag:
17        print("Model A: No more input.")
18        break
19
20    # Print received message
21    print('Model A: (%d verts, %d faces)' % (obj.nvert, obj.nface))
22    pprint.pprint(obj)
23
24    # Send output to output channel
25    # If there is an error, the flag will be False
26    flag = out_channel.send(obj)
27    if not flag:
28        raise RuntimeError("Model A: Error sending output.")
 1import pprint
 2# Import classes for input/output channels
 3from yggdrasil.interface.YggInterface import (
 4    YggObjInput, YggObjOutput)
 5
 6# Initialize input/output channels
 7in_channel = YggObjInput('inputB')
 8out_channel = YggObjOutput('outputB')
 9
10# Loop until there is no longer input or the queues are closed
11while True:
12
13    # Receive input from input channel
14    # If there is an error, the flag will be False
15    flag, obj = in_channel.recv()
16    if not flag:
17        print("Model B: No more input.")
18        break
19
20    # Print received message
21    print('Model B: (%d verts, %d faces)' % (obj.nvert, obj.nface))
22    pprint.pprint(obj)
23
24    # Send output to output channel
25    # If there is an error, the flag will be False
26    flag = out_channel.send(obj)
27    if not flag:
28        raise RuntimeError("Model B: Error sending output.")

Model YAML:

 1models:
 2  - name: python_modelA
 3    language: python
 4    args: ./src/formatted_io6_modelA.py
 5    inputs: inputA
 6    outputs: outputA
 7
 8  - name: python_modelB
 9    language: python
10    args: ./src/formatted_io6_modelB.py
11    inputs: inputB
12    outputs: outputB
13
14connections:
15  - input: outputA  # Connection between model A output & model B input
16    output: inputB
17  - input: ./Input/input.obj  # Connection between file and model A input
18    output: inputA
19    filetype: obj
20  - input: outputB  # Connection between model B output and file
21    output: ./output.obj
22    filetype: obj

R Version

Model Code:

 1# Import library for input/output
 2library(yggdrasil)
 3
 4# Initialize input/output channels
 5in_channel <- YggInterface('YggObjInput', 'inputA')
 6out_channel <- YggInterface('YggObjOutput', 'outputA')
 7
 8# Loop until there is no longer input or the queues are closed
 9while(TRUE) {
10
11  # Receive input from input channel
12  # If there is an error, the flag will be False
13  c(flag, obj) %<-% in_channel$recv()
14  if (!flag) {
15    print('Model A: No more input.')
16    break
17  }
18
19  # Print received message
20  fprintf('Model A: (%d verts, %d faces)',
21          length(obj[['vertices']]), length(obj[['faces']]))
22
23  # Send output to output channel
24  # If there is an error, the flag will be False
25  flag = out_channel$send(obj)
26  if (!flag) {
27    stop('Model A: Error sending output.')
28  }
29
30}
 1# Import library for input/output
 2library(yggdrasil)
 3
 4# Initialize input/output channels
 5in_channel <- YggInterface('YggObjInput', 'inputB')
 6out_channel <- YggInterface('YggObjOutput', 'outputB')
 7
 8# Loop until there is no longer input or the queues are closed
 9while(TRUE) {
10
11  # Receive input from input channel
12  # If there is an error, the flag will be False
13  c(flag, obj) %<-% in_channel$recv()
14  if (!flag) {
15    print('Model B: No more input.')
16    break
17  }
18
19  # Print received message
20  fprintf('Model B: (%d verts, %d faces)',
21          length(obj[['vertices']]), length(obj[['faces']]))
22
23  # Send output to output channel
24  # If there is an error, the flag will be False
25  flag = out_channel$send(obj)
26  if (!flag) {
27    stop('Model B: Error sending output.')
28  }
29
30}

Model YAML:

 1models:
 2  - name: R_modelA
 3    language: R
 4    args: ./src/formatted_io6_modelA.R
 5    inputs: inputA
 6    outputs: outputA
 7
 8  - name: R_modelB
 9    language: R
10    args: ./src/formatted_io6_modelB.R
11    inputs: inputB
12    outputs: outputB
13
14connections:
15  - input: outputA  # Connection between model A output & model B input
16    output: inputB
17  - input: ./Input/input.obj  # Connection between file and model A input
18    output: inputA
19    filetype: obj
20  - input: outputB  # Connection between model B output and file
21    output: ./output.obj
22    filetype: obj