Blender: Trigger rendering from command line

Author: ferdnyc

src/blender/scripts/blinds.py

@@ -82,7 +82,6 @@ def load_font(font_path):
 # ----------------------------------------------------------------------------
 
 # Modify Text / Curve settings
-#print (bpy.data.curves.keys())
 text_object = bpy.data.curves["Title"]
 text_object.extrude = params["extrude"]
 text_object.bevel_depth = params["bevel_depth"]
@@ -141,12 +140,5 @@ def load_font(font_path):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/blur.py

@@ -84,7 +84,6 @@ def load_font(font_path):
 # ----------------------------------------------------------------------------
 
 # Modify Text / Curve settings
-#print (bpy.data.curves.keys())
 text_object = bpy.data.curves["Text"]
 text_object.extrude = params["extrude"]
 text_object.bevel_depth = params["bevel_depth"]
@@ -138,12 +137,5 @@ def load_font(font_path):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/colors.py

@@ -261,12 +261,5 @@ def load_font(font_path):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/dissolve.py

@@ -21,7 +21,6 @@
 # run from the context of Blender.  Blender contains its own version of Python
 # with this library pre-installed.
 import bpy
-from bpy.props import *
 
 from math import pi
 
@@ -115,8 +114,8 @@ def createDissolveText(title, extrude, bevel_depth, spacemode, textsize, width,
     # Particle parameters
     ActiveObjectText.particle_systems[0].settings.count = NbQuads
     ActiveObjectText.particle_systems[0].settings.frame_start = 10
-    ActiveObjectText.particle_systems[0].settings.frame_end = int(frame_count * 0.75 - 10)
-    ActiveObjectText.particle_systems[0].settings.lifetime = int(frame_count * 0.25 + 10)
+    ActiveObjectText.particle_systems[0].settings.frame_end = 60
+    ActiveObjectText.particle_systems[0].settings.lifetime = 80
     ActiveObjectText.particle_systems[0].point_cache.frame_step = 1
     ActiveObjectText.particle_systems[0].settings.normal_factor = 0.0
     # not useful
@@ -307,13 +306,17 @@ def createDissolveText(title, extrude, bevel_depth, spacemode, textsize, width,
 # Unbake particle cache
 bpy.ops.ptcache.free_bake_all()
 
+# Animation Speed (use Blender's time remapping to slow or speed up animation)
+length_multiplier = int(params["length_multiplier"])  # time remapping multiplier
+new_length = int(params["end_frame"]) * length_multiplier  # new length (in frames)
+bpy.context.scene.render.frame_map_old = 1
+bpy.context.scene.render.frame_map_new = length_multiplier
+
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = frame_count
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length
 
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+# Set render length/position
+if "preview_frame" not in params:
+    # bake dynamics : take time but needed before rendering animation
+    bpy.ops.ptcache.bake_all()

src/blender/scripts/earth.py

@@ -284,12 +284,5 @@ def check_longitude(depart_longitude, arrive_longitude):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/explode.py

@@ -41,12 +41,16 @@ def load_font(font_path):
     return None
 
 
-def createExplodeTxt(title, particle_number, extrude, bevel_depth, spacemode, textsize, width, font, ground):
+def createExplodeTxt(title, particle_number, extrude, bevel_depth, spacemode,
+                     textsize, width, font, ground, frame_count):
     """ Create aned animate the exploding texte """
 
     newText = title
     # create text
-    bpy.ops.object.text_add(radius=1.0, enter_editmode=False, align='WORLD', location=(0.0, 0.0, 0.0), rotation=(0.0, 0.0, 0.0))
+    bpy.ops.object.text_add(
+        radius=1.0, enter_editmode=False, align='WORLD',
+        location=(0.0, 0.0, 0.0), rotation=(0.0, 0.0, 0.0)
+    )
     newtext = bpy.context.view_layer.objects.active
 
     # modifying the text
@@ -66,7 +70,11 @@ def createExplodeTxt(title, particle_number, extrude, bevel_depth, spacemode, te
 
     # rotating text
     # angles are in radians
-    #bpy.ops.transform.rotate(value=(pi/2,), axis=(1.0, 0.0, 0.0), constraint_axis=(False, False, False), constraint_orientation='GLOBAL', mirror=False, proportional='DISABLED', proportional_edit_falloff='SMOOTH', proportional_size=1, snap=False, snap_target='CLOSEST', snap_point=(0, 0, 0), snap_align=False, snap_normal=(0, 0, 0), release_confirm=False)
+    # bpy.ops.transform.rotate(value=(pi/2,), axis=(1.0, 0.0, 0.0), constraint_axis=(False, False, False),
+    # constraint_orientation='GLOBAL', mirror=False, proportional='DISABLED', proportional_edit_falloff='SMOOTH',
+    # proportional_size=1, snap=False, snap_target='CLOSEST', snap_point=(0, 0, 0), snap_align=False,
+    # snap_normal=(0, 0, 0), release_confirm=False)
+
     # second solution
     newtext.rotation_euler[0] = pi / 2  # xaxis
     newtext.rotation_euler[1] = 0.0  # yaxis
@@ -86,15 +94,18 @@ def createExplodeTxt(title, particle_number, extrude, bevel_depth, spacemode, te
     bpy.ops.object.modifier_add(type='SOLIDIFY')
 
     # apply quick explode
-    bpy.ops.object.quick_explode(style='EXPLODE', amount=100, frame_duration=50, frame_start=1, frame_end=51, velocity=1, fade=True)
+    bpy.ops.object.quick_explode(
+        style='EXPLODE', amount=100, frame_duration=50,
+        frame_start=1, frame_end=51, velocity=1, fade=True
+    )
 
     # modifying Particle System
     # emitfrom
     newtext.particle_systems[0].settings.emit_from = 'VERT'
     # particle number
     newtext.particle_systems[0].settings.count = particle_number
     # particle lifetime
-    newtext.particle_systems[0].settings.lifetime = 200  # 200 +48 > 150 ;-)z
+    newtext.particle_systems[0].settings.lifetime = 200  # 200 + 48 > 150
     # start/end explosion
     newtext.particle_systems[0].settings.frame_end = 48
     newtext.particle_systems[0].settings.frame_start = 48
@@ -134,15 +145,12 @@ def createExplodeTxt(title, particle_number, extrude, bevel_depth, spacemode, te
         bpy.ops.object.modifier_remove(modifier="Collision")
         bpy.data.objects['Ground'].hide_render = True
 
-    bpy.ops.ptcache.free_bake_all()   # erase baked dynamics
-    bpy.ops.ptcache.bake_all()  # bake dynamics : take time but needed before rendering animation
-
-
 # Debug Info:
 # ./blender -b test.blend -P demo.py
 # -b = background mode
 # -P = run a Python script within the context of the project file
 
+
 # Init all of the variables needed by this script.  Because Blender executes
 # this script, OpenShot will inject a dictionary of the required parameters
 # before this script is executed.
@@ -182,16 +190,7 @@ def createExplodeTxt(title, particle_number, extrude, bevel_depth, spacemode, te
 # ----------------------------------------------------------------------------
 
 # Modify Text / Curve settings
-#print (bpy.data.curves.keys())
-
-
-#text_object = bpy.data.curves["txtName1"]
-#text_object.extrude = params["extrude"]
-#text_object.bevel_depth = params["bevel_depth"]
-#text_object.body = params["title"]
-#text_object.align = params["spacemode"]
-#text_object.size = params["text_size"]
-#text_object.space_character = params["width"]
+# print (bpy.data.curves.keys())
 
 # Get font object
 font = None
@@ -202,10 +201,14 @@ def createExplodeTxt(title, particle_number, extrude, bevel_depth, spacemode, te
     # Get default font
     font = bpy.data.fonts["Bfont"]
 
+# Compute animation length
+length_multiplier = int(params["length_multiplier"])  # time remapping multiplier
+frame_count = int(params["end_frame"]) * length_multiplier  # new length (in frames)
+
 createExplodeTxt(
     params["title"], params["particle_number"], params["extrude"],
     params["bevel_depth"], params["spacemode"], params["text_size"],
-    params["width"], font, params["ground_on_off"]
+    params["width"], font, params["ground_on_off"], frame_count
 )
 
 # Change the material settings (color, alpha, etc...)
@@ -230,19 +233,18 @@ def createExplodeTxt(title, particle_number, extrude, bevel_depth, spacemode, te
 bpy.context.scene.render.resolution_y = params["resolution_y"]
 bpy.context.scene.render.resolution_percentage = params["resolution_percentage"]
 
+bpy.ops.ptcache.free_bake_all()   # erase baked dynamics
+
 # Animation Speed (use Blender's time remapping to slow or speed up animation)
 length_multiplier = int(params["length_multiplier"])  # time remapping multiplier
 new_length = int(params["end_frame"]) * length_multiplier  # new length (in frames)
 bpy.context.scene.render.frame_map_old = 1
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length
 
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+if "preview_frame" not in params:
+    # bake dynamics : take time but needed before rendering animation
+    bpy.ops.ptcache.bake_all()

src/blender/scripts/fly_by_1.py

@@ -131,12 +131,5 @@ def load_font(font_path):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/fly_by_two_titles.py

@@ -140,12 +140,5 @@ def load_font(font_path):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/glare.py

@@ -135,12 +135,5 @@ def load_font(font_path):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/glass_slider.py

@@ -162,12 +162,5 @@ def load_font(font_path):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/lens_flare.py

@@ -132,12 +132,5 @@
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/magic_wand.py

@@ -128,19 +128,18 @@
 bpy.context.scene.render.resolution_y = params["resolution_y"]
 bpy.context.scene.render.resolution_percentage = params["resolution_percentage"]
 
+# Clear particle cache before remapping
+bpy.ops.ptcache.free_bake_all()
+
 # Animation Speed (use Blender's time remapping to slow or speed up animation)
 length_multiplier = int(params["length_multiplier"])  # time remapping multiplier
 new_length = int(params["end_frame"]) * length_multiplier  # new length (in frames)
 bpy.context.scene.render.frame_map_old = 1
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length
+
+if "preview_frame" not in params:
+    bpy.ops.ptcache.bake_all()

src/blender/scripts/neon_curves.py

@@ -150,12 +150,5 @@ def load_font(font_path):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/picture_frames_4.py

@@ -166,12 +166,5 @@ def get_scale_values(height, width):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length

src/blender/scripts/rotate_360.py

@@ -131,12 +131,5 @@ def load_font(font_path):
 bpy.context.scene.render.frame_map_new = length_multiplier
 
 # Set render length/position
-if "preview_frame" in params:
-    bpy.context.scene.frame_start = params["preview_frame"]
-    bpy.context.scene.frame_end = params["preview_frame"]
-else:
-    bpy.context.scene.frame_start = params["start_frame"]
-    bpy.context.scene.frame_end = new_length
-
-# Render the current animation to the params["output_path"] folder
-bpy.ops.render.render(animation=params["animation"])
+bpy.context.scene.frame_start = params["start_frame"]
+bpy.context.scene.frame_end = new_length