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Merge pull request #5 from jisuoqing/master
Add yt volume rendering ipynb for focus session
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "import yt\n", | ||
| "import numpy as np\n", | ||
| "from yt.testing import fake_vr_orientation_test_ds\n", | ||
| "\n", | ||
| "ds = fake_vr_orientation_test_ds()" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# now we do volume rendering\n", | ||
| "sc = yt.create_scene(ds, field='density')\n", | ||
| "sc.render()\n", | ||
| "sc.show(sigma_clip=6.0)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# now we do volume rendering\n", | ||
| "sc = yt.create_scene(ds, field='density')\n", | ||
| "# Change transfer function\n", | ||
| "tf = yt.ColorTransferFunction((np.log10(0.1), np.log10(1.)))\n", | ||
| "tf.sample_colormap(np.log10(0.9), 0.01, colormap=\"spectral\")\n", | ||
| "tf.sample_colormap(np.log10(0.8), 0.01, colormap=\"spectral\")\n", | ||
| "tf.sample_colormap(np.log10(0.6), 0.01, colormap=\"spectral\")\n", | ||
| "tf.sample_colormap(np.log10(0.2), 0.01, colormap=\"spectral\")\n", | ||
| "render_source = sc.get_source(0)\n", | ||
| "render_source.transfer_function = tf" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "sc.render()\n", | ||
| "sc.show(sigma_clip=6.0)" | ||
| ] | ||
| } | ||
| ], | ||
| "metadata": { | ||
| "kernelspec": { | ||
| "display_name": "Python 2", | ||
| "language": "python", | ||
| "name": "python2" | ||
| }, | ||
| "language_info": { | ||
| "codemirror_mode": { | ||
| "name": "ipython", | ||
| "version": 2 | ||
| }, | ||
| "file_extension": ".py", | ||
| "mimetype": "text/x-python", | ||
| "name": "python", | ||
| "nbconvert_exporter": "python", | ||
| "pygments_lexer": "ipython2", | ||
| "version": "2.7.11" | ||
| } | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 0 | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "import yt\n", | ||
| "import numpy as np\n", | ||
| "from yt.testing import fake_vr_orientation_test_ds\n", | ||
| "\n", | ||
| "ds = fake_vr_orientation_test_ds()" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": true | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# now we do volume rendering\n", | ||
| "sc = yt.create_scene(ds, field='density')\n", | ||
| "# Change transfer function\n", | ||
| "tf = yt.ColorTransferFunction((np.log10(0.1), np.log10(1.)))\n", | ||
| "tf.sample_colormap(np.log10(0.9), 0.01, colormap=\"spectral\")\n", | ||
| "tf.sample_colormap(np.log10(0.8), 0.01, colormap=\"spectral\")\n", | ||
| "tf.sample_colormap(np.log10(0.6), 0.01, colormap=\"spectral\")\n", | ||
| "tf.sample_colormap(np.log10(0.2), 0.01, colormap=\"spectral\")\n", | ||
| "render_source = sc.get_source(0)\n", | ||
| "render_source.transfer_function = tf" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# plane-parallel lens\n", | ||
| "cam = sc.add_camera(ds, lens_type='plane-parallel')\n", | ||
| "cam.resolution = (500, 500) # equivalent with cam.set_resolution()\n", | ||
| "cam.width = ds.quan(4, 'code_length') # equivalent with cam.set_width()\n", | ||
| "cam.position = ds.arr([2.5, 0, 0], 'code_length') # equivalent with cam.set_position()\n", | ||
| "cam.switch_orientation(normal_vector=[-1, 0, 0],\n", | ||
| " north_vector=[0, 0, 1])\n", | ||
| "sc.render()\n", | ||
| "sc.show(sigma_clip=2.0)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# perspective lens\n", | ||
| "cam = sc.add_camera(ds, lens_type='perspective')\n", | ||
| "cam.resolution = (500, 500)\n", | ||
| "cam.width = ds.arr([2, 2, 1], 'code_length')\n", | ||
| "cam.position = ds.arr([2.5, 0, 0], 'code_length')\n", | ||
| "cam.switch_orientation(normal_vector=[-1, 0, 0],\n", | ||
| " north_vector=[0 ,0, 1])\n", | ||
| "sc.render()\n", | ||
| "sc.show(sigma_clip=6.0)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# spherical lens\n", | ||
| "cam = sc.add_camera(ds, lens_type='spherical')\n", | ||
| "cam.resolution = (1000, 500)\n", | ||
| "cam.position = ds.arr([0.5, 0, 0], 'code_length')\n", | ||
| "cam.switch_orientation(normal_vector=[-1 ,0 ,0],\n", | ||
| " north_vector=[0 ,0 ,1])\n", | ||
| "sc.render()\n", | ||
| "sc.show(sigma_clip=6.0)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# stereo-spherical lens (another similar lens is stereo-perspective)\n", | ||
| "cam = sc.add_camera(ds, lens_type='stereo-spherical')\n", | ||
| "cam.disparity = ds.domain_width[0] * 1.5e-3 # separation between two eyes\n", | ||
| "cam.resolution = (1000, 1000)\n", | ||
| "cam.position = ds.arr([0.5, 0, 0], 'code_length')\n", | ||
| "cam.switch_orientation(normal_vector=[-1 ,0, 0],\n", | ||
| " north_vector=[0, 0, 1])\n", | ||
| "sc.render()\n", | ||
| "sc.show(sigma_clip=6.0)" | ||
| ] | ||
| } | ||
| ], | ||
| "metadata": { | ||
| "kernelspec": { | ||
| "display_name": "Python 2", | ||
| "language": "python", | ||
| "name": "python2" | ||
| }, | ||
| "language_info": { | ||
| "codemirror_mode": { | ||
| "name": "ipython", | ||
| "version": 2 | ||
| }, | ||
| "file_extension": ".py", | ||
| "mimetype": "text/x-python", | ||
| "name": "python", | ||
| "nbconvert_exporter": "python", | ||
| "pygments_lexer": "ipython2", | ||
| "version": "2.7.11" | ||
| } | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 0 | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "import yt\n", | ||
| "import numpy as np\n", | ||
| "from yt.testing import fake_vr_orientation_test_ds\n", | ||
| "\n", | ||
| "ds = fake_vr_orientation_test_ds()\n", | ||
| "\n", | ||
| "# now we do volume rendering\n", | ||
| "sc = yt.create_scene(ds, field='density')\n", | ||
| "# Change transfer function\n", | ||
| "tf = yt.ColorTransferFunction((np.log10(0.1), np.log10(1.)))\n", | ||
| "tf.sample_colormap(np.log10(0.9), 0.01, colormap=\"spectral\")\n", | ||
| "tf.sample_colormap(np.log10(0.8), 0.01, colormap=\"spectral\")\n", | ||
| "tf.sample_colormap(np.log10(0.6), 0.01, colormap=\"spectral\")\n", | ||
| "tf.sample_colormap(np.log10(0.2), 0.01, colormap=\"spectral\")\n", | ||
| "render_source = sc.get_source(0)\n", | ||
| "render_source.transfer_function = tf" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# perspective camera\n", | ||
| "cam = sc.add_camera(ds, lens_type='perspective')\n", | ||
| "cam.resolution = (500, 500)\n", | ||
| "cam.width = ds.arr([2, 2, 1], 'code_length')\n", | ||
| "cam.position = ds.arr([2.5, 0, 0], 'code_length')\n", | ||
| "cam.switch_orientation(normal_vector=[-1, 0, 0],\n", | ||
| " north_vector=[0, 0, 1])\n", | ||
| "sc.render()\n", | ||
| "sc.show(sigma_clip=6.0)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# move cam by one step\n", | ||
| "cam.position = ds.arr([4, 0, 0], 'code_length')\n", | ||
| "sc.render()\n", | ||
| "sc.show(sigma_clip=6.0)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# move cam by several steps\n", | ||
| "final_position = ds.arr([2.5, 0, 0], 'code_length')\n", | ||
| "for i in cam.iter_move(final_position, 5):\n", | ||
| " sc.save('move_%04d' % i, sigma_clip=6.0)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# rotate cam by one step\n", | ||
| "rot_center = ds.arr([0, 0, 0], 'code_length')\n", | ||
| "angle = np.pi / 4.\n", | ||
| "cam.rotate(angle, rot_vector=[0, 0, 1], rot_center=rot_center)\n", | ||
| "sc.render()\n", | ||
| "sc.show(sigma_clip=6.0)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": { | ||
| "collapsed": false | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "# rotate cam by several steps\n", | ||
| "final_angle = -np.pi / 2.\n", | ||
| "for i in cam.iter_rotate(final_angle, 5, rot_vector=[-1, 1, 0], rot_center=rot_center):\n", | ||
| " sc.save('rotation_%04d' % i, sigma_clip=6.0)" | ||
| ] | ||
| } | ||
| ], | ||
| "metadata": { | ||
| "kernelspec": { | ||
| "display_name": "Python 2", | ||
| "language": "python", | ||
| "name": "python2" | ||
| }, | ||
| "language_info": { | ||
| "codemirror_mode": { | ||
| "name": "ipython", | ||
| "version": 2 | ||
| }, | ||
| "file_extension": ".py", | ||
| "mimetype": "text/x-python", | ||
| "name": "python", | ||
| "nbconvert_exporter": "python", | ||
| "pygments_lexer": "ipython2", | ||
| "version": "2.7.11" | ||
| } | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 0 | ||
| } |