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",
28	   nelements_obj(p, "v"), nelements_obj(p, "f"));
29    display_obj_indent(p, "  ");
30
31    // Send output to output channel
32    // If there is an error, the flag will be negative
33    flag = yggSend(out_channel, p);
34    if (flag < 0) {
35      printf("Model A: Error sending output.\n");
36      break;
37    }
38
39  }
40
41  // Free dynamically allocated obj structure
42  free_obj(&p);
43  
44  return 0;
45}
46

 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",
28	   nelements_obj(p, "v"), nelements_obj(p, "f"));
29    display_obj_indent(p, "  ");
30
31    // Send output to output channel
32    // If there is an error, the flag will be negative
33    flag = yggSend(out_channel, p);
34    if (flag < 0) {
35      printf("Model B: Error sending output.\n");
36      break;
37    }
38
39  }
40  
41  // Free dynamically allocated obj structure
42  free_obj(&p);
43  
44  return 0;
45}
46

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  rapidjson::ObjWavefront p;
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: (%ld verts, %ld faces)\n",
28	   p.count_elements("v"), p.count_elements("f"));
29    std::cerr << p << std::endl;
30
31    // Send output to output channel
32    // If there is an error, the flag will be negative
33    flag = out_channel.send(1, &p);
34    if (flag < 0) {
35      std::cout << "Model A: Error sending output." << std::endl;
36      break;
37    }
38
39  }
40  
41  return 0;
42}

 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  rapidjson::ObjWavefront p;
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: (%ld verts, %ld faces)\n",
30	   p.count_elements("v"), p.count_elements("f"));
31    std::cerr << p << std::endl;
32
33    // Send output to output channel
34    // If there is an error, the flag will be negative
35    flag = out_channel.send(1, &p);
36    if (flag < 0) {
37      std::cout << "Model B: Error sending output." << std::endl;
38      break;
39    }
40
41  }
42  
43  return 0;
44}

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: (", &
29          nelements_obj(p, "v"), " verts, ", &
30          nelements_obj(p, "f"), " faces)"
31     call display_obj_indent(p, "  ")
32
33     ! Send output to output channel
34     ! If there is an error, the flag will be negative
35     flag = ygg_send_var(out_channel, yggarg(p))
36     if (.not.flag) then
37        print *, "Model A: Error sending output."
38        exit
39     end if
40
41  end do
42
43end 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: (", &
29          nelements_obj(p, "v"), " verts, ", &
30          nelements_obj(p, "f"), " faces)"
31     call display_obj_indent(p, "  ")
32
33     ! Send output to output channel
34     ! If there is an error, the flag will be negative
35     flag = ygg_send_var(out_channel, yggarg(p))
36     if (.not.flag) then
37        print *, "Model B: Error sending output."
38        exit
39     end if
40
41  end do
42
43end 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

Julia Version

Model Code:

 1# Import library for input/output channels
 2using Yggdrasil
 3using Printf
 4
 5# Initialize input/output channels
 6in_channel = Yggdrasil.YggInterface("YggObjInput", "inputA")
 7out_channel = Yggdrasil.YggInterface("YggObjOutput", "outputA")
 8
 9# Loop until there is no longer input or the queues are closed
10while true
11
12    # Receive input from input channel
13    # If there is an error, the flag will be false
14    flag, obj = in_channel.recv()
15    if (!flag)
16        println("Model A: No more input.")
17	break
18    end
19
20    # Print received message
21    println(obj)
22    # @printf("Model A: (%d verts, %d faces)\n",
23    #         length(get(obj, "vertices")),
24    #         length(get(obj, "faces")))
25
26    # Send output to output channel
27    # If there is an error, the flag will be false
28    flag = out_channel.send(obj)
29    if (!flag)
30        error("Model A: Error sending output.")
31    end
32
33end  # while

 1# Import library for input/output channels
 2using Yggdrasil
 3using Printf
 4
 5# Initialize input/output channels
 6in_channel = Yggdrasil.YggInterface("YggObjInput", "inputB")
 7out_channel = Yggdrasil.YggInterface("YggObjOutput", "outputB")
 8
 9# Loop until there is no longer input or the queues are closed
10while true
11
12    # Receive input from input channel
13    # If there is an error, the flag will be false
14    flag, obj = in_channel.recv()
15    if (!flag)
16        println("Model B: No more input.")
17	break
18    end
19
20    # Print received message
21    println(obj)
22    # @printf("Model B: (%d verts, %d faces)\n",
23    #         length(get(obj, "vertices")),
24    #         length(get(obj, "faces")))
25
26    # Send output to output channel
27    # If there is an error, the flag will be false
28    flag = out_channel.send(obj)
29    if (!flag)
30        error("Model B: Error sending output.")
31    end
32
33end  # while

Model YAML:

 1models:
 2  - name: julia_modelA
 3    language: julia
 4    args: ./src/formatted_io6_modelA.jl
 5    inputs: inputA
 6    outputs: outputA
 7
 8  - name: julia_modelB
 9    language: julia
10    args: ./src/formatted_io6_modelB.jl
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