Restore wrongly deleted file from 75d0088

1 files changed, 0 insertions, 222 deletions

diff --git a/fieldicle.py b/fieldicle.py
deleted file mode 100644
index 42af810..0000000
--- a/fieldicle.py
+++ /dev/null
@@ -1,222 +0,0 @@
-import pyopencl as cl
-mf = cl.mem_flags
-from pyopencl.tools import get_gl_sharing_context_properties
-
-from string import Template
-
-from OpenGL.GL import *   # OpenGL - GPU rendering interface
-from OpenGL.GLU import *  # OpenGL tools (mipmaps, NURBS, perspective projection, shapes)
-from OpenGL.GLUT import * # OpenGL tool to make a visualization window
-from OpenGL.arrays import vbo
-
-import numpy
-import threading
-
-import gi
-gi.require_version('Gtk', '3.0')
-from gi.repository import Gtk
-
-class ParticleWindow:
-    window_width  = 500
-    window_height = 500
-
-    world_width  = 20.
-    world_height = 20.
-
-    num_particles = 100000
-    time_step = .005
-
-    gtk_active = False
-
-    def glut_window(self):
-        glutInit(sys.argv)
-        glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH)
-        glutInitWindowSize(self.window_width, self.window_height)
-        glutInitWindowPosition(0, 0)
-        window = glutCreateWindow("fieldicle")
-
-        glutDisplayFunc(self.on_display)
-        glutSpecialFunc(self.on_keyboard)
-        glutTimerFunc(5, self.on_timer, 5)
-        glutReshapeFunc(self.on_window_resize)
-
-        glViewport(0, 0, self.window_width, self.window_height)
-        glMatrixMode(GL_PROJECTION)
-        glLoadIdentity()
-
-        glOrtho(
-            -(self.world_width/2), self.world_width/2,
-            -(self.world_height/2), self.world_height/2,
-            0.1, 100.0
-        )
-
-        return(window)
-
-    def on_keyboard(self, key, x, y):
-        if key == GLUT_KEY_F1:
-            self.gtk_active = True
-            ParamWindow(self).show_all()
-
-    def initial_buffers(self, num_particles):
-        self.np_position = numpy.ndarray((self.num_particles, 4), dtype=numpy.float32)
-        self.np_color = numpy.ndarray((num_particles, 4), dtype=numpy.float32)
-
-        self.set_particle_start_positions()
-
-        self.np_color[:,:] = [1.,1.,1.,1.]
-        self.np_color[:,3] = numpy.random.random_sample((self.num_particles,))
-
-        self.gl_position = vbo.VBO(data=self.np_position, usage=GL_DYNAMIC_DRAW, target=GL_ARRAY_BUFFER)
-        self.gl_position.bind()
-        self.gl_color = vbo.VBO(data=self.np_color, usage=GL_DYNAMIC_DRAW, target=GL_ARRAY_BUFFER)
-        self.gl_color.bind()
-
-        return (self.np_position, self.gl_position, self.gl_color)
-
-    def on_timer(self, t):
-        glutTimerFunc(t, self.on_timer, t)
-        glutPostRedisplay()
-        if self.gtk_active:
-            Gtk.main_iteration_do(False)
-
-    def set_particle_start_positions(self):
-        self.np_position[:,0] = self.world_width  * numpy.random.random_sample((self.num_particles,)) - (self.world_width/2)
-        self.np_position[:,1] = self.world_height * numpy.random.random_sample((self.num_particles,)) - (self.world_height/2)
-        self.np_position[:,2] = 0.
-        self.np_position[:,3] = 1.
-        self.cl_start_position = cl.Buffer(self.context, mf.READ_ONLY | mf.COPY_HOST_PTR, hostbuf=self.np_position)
-
-    def on_window_resize(self, width, height):
-        self.window_width  = width
-        self.window_height = height
-        self.world_height = self.world_width / self.window_width * self.window_height;
-
-        glViewport(0, 0, self.window_width, self.window_height)
-        glLoadIdentity()
-        glOrtho(
-            -(self.world_width/2), self.world_width/2,
-            -(self.world_height/2), self.world_height/2,
-            0.1, 100.0
-        )
-
-        self.set_particle_start_positions()
-
-    def update_field(self, fx, fy):
-        self.program = cl.Program(self.context, Template(self.kernel).substitute({
-            'fx': fx,
-            'fy': fy,
-            'time_step': self.time_step
-        })).build()
-
-    def on_display(self):
-        # Update or particle positions by calling the OpenCL kernel
-        cl.enqueue_acquire_gl_objects(self.queue, [self.cl_gl_position, self.cl_gl_color])
-        kernelargs = (self.cl_gl_position, self.cl_gl_color, self.cl_start_position)
-        self.program.update_particles(self.queue, (self.num_particles,), None, *(kernelargs))
-        cl.enqueue_release_gl_objects(self.queue, [self.cl_gl_position, self.cl_gl_color])
-        self.queue.finish()
-        glFlush()
-
-        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
-        glMatrixMode(GL_MODELVIEW)
-        glLoadIdentity()
-
-        glTranslatef(0., 0., -1.)
-
-        # Render the particles
-        glEnable(GL_POINT_SMOOTH)
-        glPointSize(1)
-        glEnable(GL_BLEND)
-        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
-
-        # Set up the VBOs
-        self.gl_color.bind()
-        glColorPointer(4, GL_FLOAT, 0, self.gl_color)
-        self.gl_position.bind()
-        glVertexPointer(4, GL_FLOAT, 0, self.gl_position)
-        glEnableClientState(GL_VERTEX_ARRAY)
-        glEnableClientState(GL_COLOR_ARRAY)
-
-        # Draw the VBOs
-        glDrawArrays(GL_POINTS, 0, self.num_particles)
-
-        glDisableClientState(GL_COLOR_ARRAY)
-        glDisableClientState(GL_VERTEX_ARRAY)
-
-        glDisable(GL_BLEND)
-
-        glutSwapBuffers()
-
-    def run(self):
-        self.window = self.glut_window()
-
-        self.platform = cl.get_platforms()[0]
-        self.context = cl.Context(properties=[(cl.context_properties.PLATFORM, self.platform)] + get_gl_sharing_context_properties())
-        self.queue = cl.CommandQueue(self.context)
-
-        (self.np_position, self.gl_position, self.gl_color) = self.initial_buffers(self.num_particles)
-
-        self.cl_start_position = cl.Buffer(self.context, mf.READ_ONLY | mf.COPY_HOST_PTR, hostbuf=self.np_position)
-
-        self.cl_gl_position = cl.GLBuffer(self.context, mf.READ_WRITE, int(self.gl_position))
-        self.cl_gl_color = cl.GLBuffer(self.context, mf.READ_WRITE, int(self.gl_color))
-
-        self.kernel = """__kernel void update_particles(__global float4* position,
-                                                   __global float4* color,
-                                                   __global float4* start_position)
-        {
-            unsigned int i = get_global_id(0);
-            float4 p = position[i];
-
-            float life = color[i].w;
-            life -= $time_step;
-
-            if (life <= 0.f) {
-                p = start_position[i];
-                life = 1.0f;
-            }
-
-            p.x += ($fx) * $time_step;
-            p.y += ($fy) * $time_step;
-
-            position[i] = p;
-            color[i].w = life;
-        }"""
-        self.program = cl.Program(self.context, Template(self.kernel).substitute({
-            'fx': 'cos(p.x)',
-            'fy': 'sin(p.y*p.x)',
-            'time_step': self.time_step
-        })).build()
-
-        glutMainLoop()
-
-
-particleWindow = ParticleWindow()
-
-glfwThread = threading.Thread(target=particleWindow.run)
-glfwThread.start()
-
-class ParamWindow(Gtk.Dialog):
-    def __init__(self, particleWin):
-        Gtk.Dialog.__init__(self, title="Field Parameters")
-        self.particleWin = particleWin
-
-        self.updateBtn = Gtk.Button(label="Update field")
-        self.updateBtn.connect("clicked", self.on_update_clicked)
-
-        self.entryFx = Gtk.Entry()
-        self.entryFx.set_text("cos(p.x)")
-        self.entryFy = Gtk.Entry()
-        self.entryFy.set_text("sin(p.y*p.x)")
-
-        layout = self.get_content_area()
-
-        layout.add(self.entryFx)
-        layout.add(self.entryFy)
-        layout.add(self.updateBtn)
-
-    def on_update_clicked(self, widget):
-        self.particleWin.update_field(
-            self.entryFx.get_text(),
-            self.entryFy.get_text()
-        )