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Merge pull request OpenDroneMap#506 from pulquero/video
Blender 360 and VR video scripts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| import bpy | ||
| import materials_utils | ||
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| def loadMesh(file): | ||
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| bpy.utils.register_module('materials_utils') | ||
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| bpy.ops.import_scene.obj(filepath=file, | ||
| axis_forward='Y', | ||
| axis_up='Z') | ||
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| bpy.ops.xps_tools.convert_to_cycles_all() | ||
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| model = bpy.data.objects[-1] | ||
| minX = float('inf') | ||
| maxX = float('-inf') | ||
| minY = float('inf') | ||
| maxY = float('-inf') | ||
| minZ = float('inf') | ||
| maxZ = float('-inf') | ||
| for coord in model.bound_box: | ||
| x = coord[0] | ||
| y = coord[1] | ||
| z = coord[2] | ||
| minX = min(x, minX) | ||
| maxX = max(x, maxX) | ||
| minY = min(y, minY) | ||
| maxY = max(y, maxY) | ||
| minZ = min(z, minZ) | ||
| maxZ = max(z, maxZ) | ||
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| model.location[2] += (maxZ - minZ)/2 | ||
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| surfaceShaderType = 'ShaderNodeEmission' | ||
| surfaceShaderName = 'Emission' | ||
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| for m in bpy.data.materials: | ||
| nt = m.node_tree | ||
| nt.nodes.remove(nt.nodes['Color Mult']) | ||
| nt.nodes.remove(nt.nodes['Diffuse BSDF']) | ||
| nt.nodes.new(surfaceShaderType) | ||
| nt.links.new(nt.nodes['Material Output'].inputs[0], | ||
| nt.nodes[surfaceShaderName].outputs[0]) | ||
| nt.links.new(nt.nodes[surfaceShaderName].inputs[0], | ||
| nt.nodes['Diffuse Texture'].outputs[0]) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| #!/usr/bin/env python | ||
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| # Renders a video. | ||
| # To generate a 360 panoramic video: | ||
| # blender -b photo_360.blend --python odm_video.py -- <project-path> <camera-waypoints.xyz> <number-of-frames> | ||
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| import sys | ||
| import subprocess | ||
| import os | ||
| import bpy | ||
| from common import loadMesh | ||
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| def main(): | ||
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| if len(sys.argv) < 7 or sys.argv[-4] != '--': | ||
| sys.exit('Please provide the ODM project path, camera waypoints (xyz format), and number of frames.') | ||
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| projectHome = sys.argv[-3] | ||
| waypointFile = sys.argv[-2] | ||
| numFrames = int(sys.argv[-1]) | ||
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| loadMesh(projectHome + | ||
| '/odm_texturing/odm_textured_model_geo.obj') | ||
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| waypoints = loadWaypoints(waypointFile) | ||
| numWaypoints = len(waypoints) | ||
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| scene = bpy.data.scenes['Scene'] | ||
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| # create path thru waypoints | ||
| curve = bpy.data.curves.new(name='CameraPath', type='CURVE') | ||
| curve.dimensions = '3D' | ||
| curve.twist_mode = 'Z_UP' | ||
| nurbs = curve.splines.new('NURBS') | ||
| nurbs.points.add(numWaypoints-1) | ||
| weight = 1 | ||
| for i in range(numWaypoints): | ||
| nurbs.points[i].co[0] = waypoints[i][0] | ||
| nurbs.points[i].co[1] = waypoints[i][1] | ||
| nurbs.points[i].co[2] = waypoints[i][2] | ||
| nurbs.points[i].co[3] = weight | ||
| nurbs.use_endpoint_u = True | ||
| path = bpy.data.objects.new(name='CameraPath', object_data=curve) | ||
| scene.objects.link(path) | ||
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| camera = bpy.data.objects['Camera'] | ||
| camera.location[0] = 0 | ||
| camera.location[1] = 0 | ||
| camera.location[2] = 0 | ||
| followPath = camera.constraints.new(type='FOLLOW_PATH') | ||
| followPath.name = 'CameraFollowPath' | ||
| followPath.target = path | ||
| followPath.use_curve_follow = True | ||
| animateContext = bpy.context.copy() | ||
| animateContext['constraint'] = followPath | ||
| bpy.ops.constraint.followpath_path_animate(animateContext, | ||
| constraint='CameraFollowPath', | ||
| frame_start=0, | ||
| length=numFrames) | ||
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| blendName = bpy.path.display_name_from_filepath(bpy.data.filepath) | ||
| fileName = projectHome + '/odm_video/odm_' + blendName.replace('photo', 'video') | ||
| scene.frame_start = 0 | ||
| scene.frame_end = numFrames | ||
| render = scene.render | ||
| render.filepath = fileName + '.mp4' | ||
| render.image_settings.file_format = 'FFMPEG' | ||
| if(render.use_multiview): | ||
| render.image_settings.stereo_3d_format.display_mode = 'TOPBOTTOM' | ||
| render.image_settings.views_format = 'STEREO_3D' | ||
| render.views[0].file_suffix = '' | ||
| format3d = 'top-bottom' | ||
| else: | ||
| width = render.resolution_x | ||
| height = render.resolution_y | ||
| format3d = 'none' | ||
| render.resolution_x = 4096 | ||
| render.resolution_y = 2048 | ||
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| render.ffmpeg.audio_codec = 'AAC' | ||
| render.ffmpeg.codec = 'H264' | ||
| render.ffmpeg.format = 'MPEG4' | ||
| render.ffmpeg.video_bitrate = 45000 | ||
| bpy.ops.render.render(animation=True) | ||
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| writeMetadata(fileName+'.mp4', format3d) | ||
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| def loadWaypoints(filename): | ||
| waypoints = [] | ||
| with open(filename) as f: | ||
| for line in f: | ||
| xyz = line.split() | ||
| waypoints.append((float(xyz[0]), float(xyz[1]), float(xyz[2]))) | ||
| return waypoints | ||
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| def writeMetadata(filename, format3d): | ||
| subprocess.run(['python', | ||
| 'spatialmedia', | ||
| '-i', | ||
| '--stereo='+format3d, | ||
| filename, | ||
| filename+'.injected']) | ||
| # check metadata injector was succesful | ||
| if os.path.exists(filename+'.injected'): | ||
| os.remove(filename) | ||
| os.rename(filename+'.injected', filename) | ||
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| if __name__ == '__main__': | ||
| main() |
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