def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None):
if ismath:
self._draw_mathtext(gc, x, y, s, prop, angle)
else:
x, y = gr.wctondc(x, y)
fontsize = prop.get_size_in_points()
rgba = gc.get_rgb()[:4]
color = gr.inqcolorfromrgb(rgba[0], rgba[1], rgba[2])
gr.settransparency(rgba[3])
gr.setcolorrep(color, rgba[0], rgba[1], rgba[2])
gr.setcharheight(fontsize * self.nominal_fontsize)
gr.settextcolorind(color)
if angle != 0:
gr.setcharup(-np.sin(angle * np.pi/180),
np.cos(angle * np.pi/180))
else:
gr.setcharup(0, 1)
gr.text(x, y, s)
def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None):
if ismath:
self._draw_mathtext(gc, x, y, s, prop, angle)
else:
x, y = gr.wctondc(x, y)
s = s.replace(u'\u2212', '-')
fontsize = prop.get_size_in_points()
rgba = gc.get_rgb()[:4]
color = gr.inqcolorfromrgb(rgba[0], rgba[1], rgba[2])
gr.settransparency(rgba[3])
gr.setcolorrep(color, rgba[0], rgba[1], rgba[2])
gr.setcharheight(fontsize * 0.0013)
gr.settextcolorind(color)
if angle != 0:
gr.setcharup(-np.sin(angle * np.pi/180),
np.cos(angle * np.pi/180))
else:
gr.setcharup(0, 1)
gr.text(x, y, s)
def pendulum(t, theta, omega, acceleration):
gr.clearws()
gr.setviewport(0, 1, 0, 1)
x, y = (sin(theta) * 3.0, -cos(theta) * 3.0)
gr3.clear()
# draw pivot point
gr3.drawspheremesh(1, (0, 0, 0), (0.4, 0.4, 0.4), 0.1)
# draw rod
gr3.drawcylindermesh(1, (0, 0, 0), (x, y, 0), (0.6, 0.6, 0.6), 0.05, 3.0)
# draw sphere
gr3.drawspheremesh(1, (x, y, 0), (1, 1, 1), 0.25)
# show angular velocity
V = 0.3 * omega - sign(omega) * 0.15
gr3.drawcylindermesh(1, (x, y, 0), (cos(theta), sin(theta), 0), (0, 0, 1),
0.05, V)
gr3.drawconemesh(1, (x + cos(theta) * V, y + sin(theta) * V, 0),
(-y, x, 0), (0, 0, 1), 0.1,
sign(omega) * 0.25)
# show angular acceleration
A = 0.3 * acceleration
gr3.drawcylindermesh(1, (x, y, 0), (sin(theta), cos(theta), 0), (1, 0, 0),
0.05, A)
gr3.drawconemesh(1, (x + sin(theta) * A, y + cos(theta) * A, 0),
(x, -y, 0), (1, 0, 0), 0.1, 0.25)
# draw GR3 objects
gr3.drawimage(0, 1, 0.15, 0.85, 500, 350,
gr3.GR3_Drawable.GR3_DRAWABLE_GKS)
gr.settextfontprec(2, gr.TEXT_PRECISION_STRING)
gr.setcharheight(0.024)
gr.settextcolorind(1)
gr.textext(0.05, 0.96, 'Damped Pendulum')
gr.mathtex(0.05, 0.9, '\\omega=\\dot{\\theta}')
gr.mathtex(0.05, 0.83,
'\\dot{\\omega}=-\\gamma\\omega-\\frac{g}{l}sin(\\theta)')
gr.setcharheight(0.020)
gr.textext(0.05, 0.20, 't:%7.2f' % t)
gr.textext(0.05, 0.16, '\\theta:%7.2f' % (theta / pi * 180))
gr.settextcolorind(4)
gr.textext(0.05, 0.12, '\\omega:%7.2f' % omega)
gr.settextcolorind(2)
gr.textext(0.05, 0.08, 'y_{A}:%6.2f' % acceleration)
gr.updatews()
return
def pendulum(t, theta, omega, acceleration):
gr.clearws()
gr.setviewport(0, 1, 0, 1)
x, y = (sin(theta) * 3.0, -cos(theta) * 3.0)
gr3.clear()
# draw pivot point
gr3.drawspheremesh(1, (0, 0, 0), (0.4, 0.4, 0.4), 0.1)
# draw rod
gr3.drawcylindermesh(1, (0, 0, 0), (x, y, 0), (0.6, 0.6, 0.6), 0.05, 3.0)
# draw sphere
gr3.drawspheremesh(1, (x, y, 0), (1, 1, 1), 0.25)
# show angular velocity
V = 0.3 * omega - sign(omega) * 0.15
gr3.drawcylindermesh(1, (x, y, 0), (cos(theta), sin(theta), 0), (0, 0, 1),
0.05, V)
gr3.drawconemesh(1, (x + cos(theta) * V, y + sin(theta) * V, 0),
(-y, x, 0), (0, 0, 1), 0.1, sign(omega) * 0.25)
# show angular acceleration
A = 0.3 * acceleration
gr3.drawcylindermesh(1, (x, y, 0), (sin(theta), cos(theta), 0), (1, 0, 0),
0.05, A)
gr3.drawconemesh(1, (x + sin(theta) * A, y + cos(theta) * A, 0),
(x, -y, 0), (1, 0, 0), 0.1, 0.25)
# draw GR3 objects
gr3.drawimage(0, 1, 0.15, 0.85, 500, 350, gr3.GR3_Drawable.GR3_DRAWABLE_GKS)
gr.settextfontprec(2, gr.TEXT_PRECISION_STRING)
gr.setcharheight(0.024)
gr.settextcolorind(1)
gr.textext(0.05, 0.96, 'Damped Pendulum')
gr.mathtex(0.05, 0.9, '\\omega=\\dot{\\theta}')
gr.mathtex(0.05, 0.83, '\\dot{\\omega}=-\\gamma\\omega-\\frac{g}{l}sin(\\theta)')
gr.setcharheight(0.020)
gr.textext(0.05, 0.20, 't:%7.2f' % t)
gr.textext(0.05, 0.16, '\\theta:%7.2f' % (theta / pi * 180))
gr.settextcolorind(4)
gr.textext(0.05, 0.12, '\\omega:%7.2f' % omega)
gr.settextcolorind(2)
gr.textext(0.05, 0.08, 'y_{A}:%6.2f' % acceleration)
gr.updatews()
return
def pendulum(t, theta, omega, acceleration):
gr.clearws()
gr.setviewport(0, 1, 0, 1)
x = [0.5, 0.5 + np.sin(theta) * 0.4]
y = [0.8, 0.8 - np.cos(theta) * 0.4]
# draw pivot point
gr.fillarea([0.46, 0.54, 0.54, 0.46], [0.79, 0.79, 0.81, 0.81]),
gr.setlinecolorind(1)
gr.setlinewidth(2)
gr.polyline(x, y) # draw rod
gr.setmarkersize(5)
gr.setmarkertype(gr.MARKERTYPE_SOLID_CIRCLE)
gr.setmarkercolorind(86)
gr.polymarker([x[1]], [y[1]]) # draw bob
gr.setlinecolorind(4)
V = 0.05 * omega # show angular velocity
gr.drawarrow(x[1], y[1], x[1] + V * np.cos(theta),
y[1] + V * np.sin(theta))
gr.setlinecolorind(2)
A = 0.05 * acceleration # show angular acceleration
gr.drawarrow(x[1], y[1], x[1] + A * np.sin(theta),
y[1] + A * np.cos(theta))
gr.settextfontprec(2, gr.TEXT_PRECISION_STRING)
gr.setcharheight(0.032)
gr.settextcolorind(1)
gr.textext(0.05, 0.95, 'Damped Pendulum')
gr.setcharheight(0.040)
gr.mathtex(0.4, 0.22, '\\omega=\\dot{\\theta}')
gr.mathtex(0.4, 0.1,
'\\dot{\\omega}=-\\gamma\\omega-\\frac{g}{l}sin(\\theta)')
gr.setcharheight(0.028)
gr.textext(0.05, 0.22, 't:%7.2f' % t)
gr.textext(0.05, 0.16, '\\theta:%7.2f' % (theta / np.pi * 180))
gr.settextcolorind(4)
gr.textext(0.05, 0.10, '\\omega:%7.2f' % omega)
gr.settextcolorind(2)
gr.textext(0.05, 0.04, 'y_{A}:%6.2f' % acceleration)
gr.updatews()
def pendulum(t, theta, omega, acceleration):
gr.clearws()
gr.setviewport(0, 1, 0, 1)
x = [0.5, 0.5 + sin(theta) * 0.4]
y = [0.8, 0.8 - cos(theta) * 0.4]
# draw pivot point
gr.fillarea([0.46, 0.54, 0.54, 0.46], [0.79, 0.79, 0.81, 0.81]),
gr.setlinecolorind(1)
gr.setlinewidth(2)
gr.polyline(x, y) # draw rod
gr.setmarkersize(5)
gr.setmarkertype(gr.MARKERTYPE_SOLID_CIRCLE)
gr.setmarkercolorind(86)
gr.polymarker([x[1]], [y[1]]) # draw bob
gr.setlinecolorind(4)
V = 0.05 * omega # show angular velocity
gr.drawarrow(x[1], y[1], x[1] + V*cos(theta), y[1] + V*sin(theta))
gr.setlinecolorind(2)
A = 0.05 * acceleration # show angular acceleration
gr.drawarrow(x[1], y[1], x[1] + A*sin(theta), y[1] + A*cos(theta))
gr.settextfontprec(2, gr.TEXT_PRECISION_STRING)
gr.setcharheight(0.032)
gr.settextcolorind(1)
gr.textext(0.05, 0.95, 'Damped Pendulum')
gr.setcharheight(0.040)
gr.mathtex(0.4, 0.22, '\\omega=\\dot{\\theta}')
gr.mathtex(0.4, 0.1, '\\dot{\\omega}=-\\gamma\\omega-\\frac{g}{l}sin(\\theta)')
gr.setcharheight(0.028)
gr.textext(0.05, 0.22, 't:%7.2f' % t)
gr.textext(0.05, 0.16, '\\theta:%7.2f' % (theta / pi * 180))
gr.settextcolorind(4)
gr.textext(0.05, 0.10, '\\omega:%7.2f' % omega)
gr.settextcolorind(2)
gr.textext(0.05, 0.04, 'y_{A}:%6.2f' % acceleration)
gr.updatews()
import gr
import gr3
gr.setviewport(0, 1, 0, 1)
for i in range(360):
gr.clearws()
gr3.clear()
gr3.drawmolecule('dna.xyz', bond_delta=2, tilt=45, rotation=i)
gr3.drawimage(0, 1, 0, 1, 500, 500, gr3.GR3_Drawable.GR3_DRAWABLE_GKS)
gr.settextcolorind(0)
gr.settextalign(gr.TEXT_HALIGN_CENTER, gr.TEXT_VALIGN_TOP)
gr.text(0.5, 1, "DNA rendered using gr3.drawmolecule")
gr.updatews()
def display():
global window_width, window_height, rx
gr3.setbackgroundcolor(1, 1, 1, 1)
# set up camera
gr3.setcameraprojectionparameters(45, 1, 200)
gr3.cameralookat(10 * math.cos(-rx * math.pi / 2),
10 * math.sin(-rx * math.pi / 2), 0, 0, 0, 0, 0, 0, 1)
gr3.drawimage(0, window_width, 0, window_height, window_width,
window_height, gr3.GR3_Drawable.GR3_DRAWABLE_OPENGL)
glViewport(0, 0, window_width, window_height)
glDisable(GL_LIGHTING)
glDisable(GL_DEPTH_TEST)
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
glLoadIdentity()
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glColor4f(1, 0, 0, 1)
x, y = 0, 0.22
glRasterPos2f(x * 2 - 1, y * 2 - 1)
for c in u"This is a GLUT window in which GR3 renders":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, ord(c))
y -= 0.05
glRasterPos2f(x * 2 - 1, y * 2 - 1)
for c in u"a scene. You can drag the mouse to rotate the":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, ord(c))
y -= 0.05
glRasterPos2f(x * 2 - 1, y * 2 - 1)
for c in u"molecule or right-click to open a context menu.":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, ord(c))
glEnable(GL_DEPTH_TEST)
glEnable(GL_LIGHTING)
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glutSwapBuffers()
gr.clearws()
selntran(0)
gr3.setquality(4)
gr3.drawimage(0, 0.5, 0.5, 1, 250, 250, gr3.GR3_Drawable.GR3_DRAWABLE_GKS)
gr.settextcolorind(1)
gr.settextfontprec(6, 0)
x = list(range(5))
y = list(range(5))
nominalWindowHeight = 500.0
pointSize = (8, 9, 10, 11, 12, 14, 18, 24, 36)
s = "i\\hbar\\frac{\\partial\\psi}{\\partial t} = \\frac{\\hbar^2}{2m}\\nabla^2\\psi + V(\\mathbf{r})\\psi"
x = 0.9
y = 0.9
gr.settextalign(3, 3)
for i in range(8):
gr.setcharheight(pointSize[i] / nominalWindowHeight)
gr.mathtex(x, y, s)
y -= 4 * pointSize[i] / nominalWindowHeight
gr.setcharheight(0.1)
gr.mathtex(0.9, 0.05, "Hello World!")
gr.settextcolorind(8)
gr.text(0.9, 0.05, "Hello World!")
gr.updatews()
gr3.setcameraprojectionparameters(45, 1, 200)
gr3.cameralookat(10 * math.cos(-rx * math.pi / 2),
10 * math.sin(-rx * math.pi / 2), 0, 0, 0, 0, 0, 0, 1)
def display():
global window_width, window_height, rx
gr3.setbackgroundcolor(1, 1, 1, 1)
# Kamera einstellen
gr3.setcameraprojectionparameters(45, 1, 200)
gr3.cameralookat(10 * math.cos(-rx * math.pi / 2),
10 * math.sin(-rx * math.pi / 2), 0, 0, 0, 0, 0, 0, 1)
gr3.drawimage(0, window_width, 0, window_height, window_width,
window_height, gr3.GR3_Drawable.GR3_DRAWABLE_OPENGL)
glViewport(0, 0, window_width, window_height)
glDisable(GL_LIGHTING)
glDisable(GL_DEPTH_TEST)
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
glLoadIdentity()
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glColor4f(1, 0, 0, 1)
x, y = 0, 0.22
glRasterPos2f(x * 2 - 1, y * 2 - 1)
for c in u"Dies ist ein GLUT-Fenster, in dem mit GR3 eine":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, ord(c))
y -= 0.05
glRasterPos2f(x * 2 - 1, y * 2 - 1)
for c in u"Szene gerendert wird. Mit der Maus kann man":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, ord(c))
y -= 0.05
glRasterPos2f(x * 2 - 1, y * 2 - 1)
for c in u"das dargestellte Molekül rotieren lassen.":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, ord(c))
y -= 0.04
glRasterPos2f(x * 2 - 1, y * 2 - 1)
for c in u"(Rechtsklick öffnet das Kontextmenü)":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_12, ord(c))
glEnable(GL_DEPTH_TEST)
glEnable(GL_LIGHTING)
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glutSwapBuffers()
gr.clearws()
selntran(0)
gr3.setquality(4)
gr3.drawimage(0, 0.5, 0.5, 1, 250, 250, gr3.GR3_Drawable.GR3_DRAWABLE_GKS)
gr.settextcolorind(1)
gr.settextfontprec(6, 0)
x = list(range(5))
y = list(range(5))
nominalWindowHeight = 500.0
pointSize = (8, 9, 10, 11, 12, 14, 18, 24, 36)
s = "i\\hbar\\frac{\\partial\\psi}{\\partial t} = \\frac{\\hbar^2}{2m}\\nabla^2\\psi + V(\\mathbf{r})\\psi"
x = 0.9
y = 0.9
gr.settextalign(3, 3)
for i in range(8):
gr.setcharheight(pointSize[i] / nominalWindowHeight)
gr.mathtex(x, y, s)
y -= 4 * pointSize[i] / nominalWindowHeight
gr.setcharheight(0.1)
gr.mathtex(0.9, 0.05, "Hello World!")
gr.settextcolorind(8)
gr.text(0.9, 0.05, "Hello World!")
gr.updatews()
gr3.setcameraprojectionparameters(45, 1, 200)
gr3.cameralookat(10 * math.cos(-rx * math.pi / 2),
10 * math.sin(-rx * math.pi / 2), 0, 0, 0, 0, 0, 0, 1)
def display():
global window_width, window_height, rx
gr3.setbackgroundcolor(1,1,1,1)
# Kamera einstellen
gr3.setcameraprojectionparameters(45, 1, 200)
gr3.cameralookat(10*math.cos(-rx*math.pi/2), 10*math.sin(-rx*math.pi/2), 0, 0, 0, 0, 0, 0, 1)
gr3.drawimage(0, window_width, 0, window_height, window_width, window_height, gr3.GR3_Drawable.GR3_DRAWABLE_OPENGL)
glViewport(0,0,window_width,window_height);
glDisable(GL_LIGHTING)
glDisable(GL_DEPTH_TEST)
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
glLoadIdentity()
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glColor4f(1,0,0,1)
x, y = 0, 0.22
glRasterPos2f(x*2-1,y*2-1)
for c in u"Dies ist ein GLUT-Fenster, in dem mit GR3 eine":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,ord(c))
y-=0.05
glRasterPos2f(x*2-1,y*2-1)
for c in u"Szene gerendert wird. Mit der Maus kann man":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,ord(c))
y-=0.05
glRasterPos2f(x*2-1,y*2-1)
for c in u"das dargestellte Molekül rotieren lassen.":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,ord(c))
y-=0.04
glRasterPos2f(x*2-1,y*2-1)
for c in u"(Rechtsklick öffnet das Kontextmenü)":
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_12,ord(c))
glEnable(GL_DEPTH_TEST)
glEnable(GL_LIGHTING)
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glutSwapBuffers()
gr.clearws()
selntran(0)
gr3.setquality(4)
gr3.drawimage(0, 0.5, 0.5, 1, 250, 250, gr3.GR3_Drawable.GR3_DRAWABLE_GKS)
gr.settextcolorind(1)
gr.settextfontprec(6,0)
x = list(range(5))
y = list(range(5))
nominalWindowHeight = 500.0
pointSize = ( 8, 9, 10, 11, 12, 14, 18, 24, 36 )
s = "i\\hbar\\frac{\\partial\\psi}{\\partial t} = \\frac{\\hbar^2}{2m}\\nabla^2\\psi + V(\\mathbf{r})\\psi"
x = 0.9
y = 0.9;
gr.settextalign(3, 3)
for i in range(8):
gr.setcharheight(pointSize[i] / nominalWindowHeight)
gr.mathtex(x, y, s)
y -= 4 * pointSize[i] / nominalWindowHeight
gr.setcharheight(0.1)
gr.mathtex(0.9, 0.05, "Hello World!")
gr.settextcolorind(8)
gr.text(0.9, 0.05, "Hello World!")
gr.updatews()
gr3.setcameraprojectionparameters(45, 1, 200)
gr3.cameralookat(10*math.cos(-rx*math.pi/2), 10*math.sin(-rx*math.pi/2), 0, 0, 0, 0, 0, 0, 1)
