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import basetestcase
import os, logging
import OpenGL
from OpenGL.GL import *
from OpenGL import GLU
try:
import numpy as np
except ImportError as err:
np = None
HERE = os.path.abspath(os.path.dirname(__file__))
log = logging.getLogger(__name__)
class TestEvaluators(basetestcase.BaseTest):
evaluator_ctrlpoints = [[[ -1.5, -1.5, 4.0], [-0.5, -1.5, 2.0], [0.5, -1.5,
-1.0], [1.5, -1.5, 2.0]], [[-1.5, -0.5, 1.0], [-0.5, -0.5, 3.0], [0.5, -0.5,
0.0], [1.5, -0.5, -1.0]], [[-1.5, 0.5, 4.0], [-0.5, 0.5, 0.0], [0.5, 0.5,
3.0], [1.5, 0.5, 4.0]], [[-1.5, 1.5, -2.0], [-0.5, 1.5, -2.0], [0.5, 1.5,
0.0], [1.5, 1.5, -1.0]]]
if (not OpenGL.ERROR_ON_COPY) or array:
def test_evaluator( self ):
"""Test whether the evaluator functions work"""
glDisable(GL_CULL_FACE)
glEnable(GL_MAP2_VERTEX_3)
glEnable(GL_DEPTH_TEST)
glEnable(GL_NORMALIZE)
if np:
ctrl_points = np.array( self.evaluator_ctrlpoints,'f')
else:
ctrl_points = self.evaluator_ctrlpoints
glMap2f(GL_MAP2_VERTEX_3, 0, 1, 0, 1, ctrl_points)
glMapGrid2f(20, 0.0, 1.0, 20, 0.0, 1.0)
glShadeModel(GL_FLAT)
glEvalMesh2(GL_FILL, 0, 20, 0, 20)
glTranslatef( 0,0.001, 0 )
glEvalMesh2(GL_POINT, 0, 20, 0, 20)
def test_nurbs_raw( self ):
"""Test nurbs rendering using raw API calls"""
from OpenGL.raw import GLU as GLU_raw
knots = (GLfloat* 8) ( 0,0,0,0,1,1,1,1 )
ctlpoints = (GLfloat*(3*4*4))( -3., -3., -3.,
-3., -1., -3.,
-3., 1., -3.,
-3., 3., -3.,
-1., -3., -3.,
-1., -1., 3.,
-1., 1., 3.,
-1., 3., -3.,
1., -3., -3.,
1., -1., 3.,
1., 1., 3.,
1., 3., -3.,
3., -3., -3.,
3., -1., -3.,
3., 1., -3.,
3., 3., -3. )
theNurb = GLU_raw.gluNewNurbsRenderer()
GLU_raw.gluBeginSurface(theNurb)
GLU_raw.gluNurbsSurface(
theNurb,
8, ctypes.byref(knots), 8, ctypes.byref(knots),
4 * 3, 3, ctypes.byref( ctlpoints ),
4, 4, GL_MAP2_VERTEX_3
)
GLU_raw.gluEndSurface(theNurb)
if np:
def test_nurbs_raw_arrays( self ):
"""Test nurbs rendering using raw API calls with arrays"""
from OpenGL.raw import GLU as GLU_raw
knots = np.array( ( 0,0,0,0,1,1,1,1 ), 'f' )
ctlpoints = np.array( [[[-3., -3., -3.],
[-3., -1., -3.],
[-3., 1., -3.],
[-3., 3., -3.]],
[[-1., -3., -3.],
[-1., -1., 3.],
[-1., 1., 3.],
[-1., 3., -3.]],
[[ 1., -3., -3.],
[ 1., -1., 3.],
[ 1., 1., 3.],
[ 1., 3., -3.]],
[[ 3., -3., -3.],
[ 3., -1., -3.],
[ 3., 1., -3.],
[ 3., 3., -3.]]], 'f' )
theNurb = GLU_raw.gluNewNurbsRenderer()
GLU_raw.gluBeginSurface(theNurb)
GLU_raw.gluNurbsSurface(
theNurb,
8, knots, 8, knots,
4 * 3, 3, ctlpoints ,
4, 4, GL_MAP2_VERTEX_3
)
GLU_raw.gluEndSurface(theNurb)
def test_nurbs( self ):
"""Test nurbs rendering"""
def buildControlPoints( ):
ctlpoints = np.zeros( (4,4,3), 'f')
for u in range( 4 ):
for v in range( 4):
ctlpoints[u][v][0] = 2.0*(u - 1.5)
ctlpoints[u][v][1] = 2.0*(v - 1.5);
if (u == 1 or u ==2) and (v == 1 or v == 2):
ctlpoints[u][v][2] = 3.0;
else:
ctlpoints[u][v][2] = -3.0;
return ctlpoints
controlPoints = buildControlPoints()
theNurb = GLU.gluNewNurbsRenderer()
GLU.gluNurbsProperty(theNurb, GLU.GLU_SAMPLING_TOLERANCE, 25.0);
GLU.gluNurbsProperty(theNurb, GLU.GLU_DISPLAY_MODE, GLU.GLU_FILL);
knots= np.array ([0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0], "f")
glPushMatrix();
try:
glRotatef(330.0, 1.,0.,0.);
glScalef (0.5, 0.5, 0.5);
GLU.gluBeginSurface(theNurb);
try:
GLU.gluNurbsSurface(
theNurb,
knots, knots,
controlPoints,
GL_MAP2_VERTEX_3
);
finally:
GLU.gluEndSurface(theNurb);
finally:
glPopMatrix();
def test_quadrics( self ):
"""Test for rendering quadric objects"""
quad = GLU.gluNewQuadric()
glColor3f( 1,0, 0 )
GLU.gluSphere( quad, 1.0, 16, 16 )
if not OpenGL.ERROR_ON_COPY:
def test_gluNurbsCurve( self ):
"""Test that gluNurbsCurve raises error on invalid arguments"""
nurb = GLU.gluNewNurbsRenderer()
GLU.gluBeginCurve( nurb )
if OpenGL.ERROR_CHECKING:
self.assertRaises( error.GLUerror,
GLU.gluNurbsCurve,
nurb,
[0, 1.0],
[[0,0,0],[1,0,0],[1,1,0]],
GL_MAP1_VERTEX_3,
)
self.assertRaises( error.GLUerror,
GLU.gluNurbsCurve,
nurb,
[],
[[0,0,0],[1,0,0],[1,1,0]],
GL_MAP1_VERTEX_3,
)
self.assertRaises( error.GLUerror,
GLU.gluNurbsCurve,
nurb,
[],
[],
GL_MAP1_VERTEX_3,
)
def test_gle( self ):
from OpenGL.GLE import (
gleSetJoinStyle,
TUBE_NORM_EDGE, TUBE_JN_ANGLE, TUBE_JN_CAP,
glePolyCone,
)
if (gleSetJoinStyle):
gleSetJoinStyle(TUBE_NORM_EDGE | TUBE_JN_ANGLE | TUBE_JN_CAP)
glePolyCone(((-6.0, 6.0, 0.0), (6.0, 6.0, 0.0), (6.0, -6.0, 0.0), (-6.0, -6.0, 0.0), (-6.0, 6.0, 0.0), (6.0, 6.0, 0.0)),
((0.0, 0.0, 0.0), (0.0, 0.8, 0.3), (0.8, 0.3, 0.0), (0.2, 0.3, 0.9), (0.2, 0.8, 0.5), (0.0, 0.0, 0.0)), (1, 1, 3, 0.5, 2, 1))
else:
log.warning("No GLE extrusion library")
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