Can't parse texture?

[roddylab]

For some reason our script can parse the .mtl file & .png attached to it? It'd be very helpful if someone can look on this and explain what issue do we have here.

[roddylab]

import argparse
import ctypes
import random
import sys
import math
import time
import os
sys.path.append('..')

import pyglet
from pyglet.gl import glMatrixMode, GL_PROJECTION, glLoadIdentity, gluPerspective, GL_MODELVIEW, \
                    glClearColor, glEnable, GL_LIGHT0, glTranslated, glRotatef, GL_LIGHTING, glLightfv, GL_POSITION, \
                    GLfloat, GL_SPECULAR, GL_DIFFUSE, GL_LIGHT1


from pywavefront import visualization
import pywavefront


def create_model(filename, perspective_angle, rotatex, rotatey, rotatez, zoom_scale):
    meshes = pywavefront.Wavefront(filename, create_materials=True)
    window = pyglet.window.Window()
    lightfv = ctypes.c_float * 4

    n = filename.split('/')[-1]
    path = filename.replace(n, '')
    with open(f'{path}/params.txt', 'w+') as f:
        f.writelines([
            f'perspective_angle {perspective_angle}\n',
            f'rotatex {rotatex}\n',
            f'rotatey {rotatey}\n',
            f'rotatez {rotatez}',
            f'scale {zoom_scale}'
        ])

    @window.event
    def on_resize(width, height):
        glMatrixMode(GL_PROJECTION)
        glLoadIdentity()
        gluPerspective(perspective_angle, float(width) / height, 0.001, 10000.)
        glMatrixMode(GL_MODELVIEW)
        return True

    global zoom, outName
    max_r2 = 0
    for v in meshes.vertices:
        x, y, z = v
        r2 = y ** 2 + z ** 2
        if r2 > max_r2:
            max_r2 = r2
        r2 = x ** 2 + z ** 2
        if r2 > max_r2:
            max_r2 = r2

    scale_z = abs(1 / math.tan(math.radians(perspective_angle / 2)))
    zoom = -math.sqrt(max_r2) * scale_z
    print(zoom)

    outName = f"{filename.split('/')[-1][:-4]}.png"

    @window.event
    def on_draw():
        # global rotatex, rotatey, outName
        glClearColor(210, 210, 210, 220)
        window.clear()
        glLoadIdentity()

        glTranslated(0.0, -0.0, zoom * zoom_scale)
        glRotatef(rotatex, 1.0, 0.0, 0.0)
        glRotatef(rotatey, 0.0, 1.0, 0.0)
        glRotatef(rotatez, 0.0, 0.0, 1.0)

        # glEnable(GL_LIGHTING)

        visualization.draw(meshes)

        pyglet.image.get_buffer_manager().get_color_buffer().save(outName)
        exit()

    pyglet.app.run()

if __name__ == "__main__":
    with open('test_model.txt') as f:
        model_name = f.readlines()[0]
        model_name = 'Rem870'
        dir_ = f'models/{model_name}/'
        assert os.path.exists(dir_) is True, f'{dir_} from test_model.txt not found!'
        files = os.listdir(dir_)
        assert len([f for f in files if f.endswith('obj')]) != 0, f'{dir_} has no .obj file!'
        for f in files:
            if f.endswith('obj'):
                filename = f'{dir_}/{f}'
                create_model(filename=filename, rotatex=0, rotatey=0, rotatez=0, perspective_angle=30, zoom_scale=1.0)

[roddylab]

newmtl rem870_tex Ka 0.20 0.20 0.20 Kd 0.59 0.59 0.59 Ks 1.00 1.00 1.00 illum 4 map_Kd rem870_tex.png

And thats our MTL file here