cloning
link-mesh-array.py
link-mesh.py

mesh fabrication
staircase.py
triangle-donut.py
vertexAccumulator.py
randomSquareArray.py
meshFromBathymetry.py
cylinders-from-list-of-radii.py
binary-image-to-mesh.py
sphere-minecraft-schematic.py
spikify.py
add-to-mesh.py
mobius-strip.py
split-copy-mesh.py

fabricating other objects
create-text.py
text-from-file.py
create-camera.py
create-bezier.py
helix-bezier.py

material slots
cube-copy-blue.py
cube-turns-red.py
red-blue-per-object.py

animation and fcurves
csv-to-fcurve-loc-rot.py
csv-to-fcurve.py
pop-in-material.py
spike-wiggle-2.py
spike-wiggle.py
sweep-animate-size.py
animate-cycles-lamp-strength.py

incorporating python libraries
exec-text-library.py
exec-external-python.py
import-python.py

constraints
camera-track-object.py
text-track-camera.py

shape keys
explore-shape-keys.py
shape-key-fin.py
docking-tube.py

animating curve bevel
data-graph.py

drivers
scan-drivers.py
copy-drivers.py
driver-fin.py
driver-multi-chain.py

UV layers
barber-pole.py
expand-uv-to-fit.py
uv-from-geometry-cubic.py
flip-texture-v-coordinate.py

modifiers
hook-modifier-curve.py
rounded-prisms.py
make-tile.py
remove-action-modifiers.py

NLAs
explore-NLAs.py
spinning-frogs.py

video sequence editor (VSE)
create-vse-image-strips.py
slide-show.py
vse-strip-gap.py

images and textures
image-on-mesh.py
image-to-material-node.py
load-image-texture.py
texture-one-cube-face.py
condense-duplicate-images.py

analytic geometry
animate-random-spin.py
camera-cone-exp-2.py
camera-cone-exp.py
compute-circle-center.py
dihedral-angle-from-xy.py
extrude-edge-along-custom-axis.py
orientation-matrix.py
two-spheres.py
bezier-interpolate.py
rotate-to-match.py

node trees
change-diffuse-to-emission-node.py

etc
add-plane-from-selected-vertices.py
adjust-all-materials.py
all-nodes-cycles-materials.py
bit_shift.py
bone-orientation-demo.py
cannonball-packing.py
comb.py
convert-quaternion-keyframes-to-euler.py
copy-location-from-vertex-group.py
create-cycles-material.py
demonstrate-decomposition-instability.py
dump-point-cache.py
dump-screen-layout-info.py
expand-nla-strips.py
explore-edge-bevel-weight.py
find-action-users.py
find-green-rectangle.py
find-new-objects.py
fix-scene-layers.py
generate-makefile.py
link-external-data-blocks.py
list-referenced-files.py
material-readout.py
movie-card-stack.py
movies-on-faces.py
next-file-name.py
object-font-from-regular-font.py
operator-mesh-gridify.py
particle-animator.py
particle_loop.py
pose-match.py
pose-sequence-to-fbx.py
prepare-texture-bake.py
raining-physics.py
random-pebble-material.py
reverse-keyframes.py
scale-parallelogram.py
screenshot-sequence.py
select-objects-in-modifiers.py
select-vertices.py
shift-layers.py
snapshot-keyframes-as-mesh.py
sphere-project-texture.py
squish-mesh-axis.py
subdivide-fcurve.py
thicken-texture.py
transform-selected.py
voronoi-madness.py

# for http://blender.stackexchange.com/questions/35945/python-script-to-read-in-csv-file-containing-quaternion-coordinates-and-turn-it

import bpy
import csv


def mission1(obj, loc_csv, quat_csv):
    """
    this version assumes that loc_csv and quat_csv have the same number of data lines.
    :param obj: blender object that will be animated
    :param loc_csv: CSV file containing location triples
    :param quat_csv: CSV file containing quaternion rotation quartets
    """
    with open(loc_csv, 'r') as loc_fh:
        with open(quat_csv, 'r') as quat_fh:
            r_loc = csv.reader(loc_fh, delimiter=',')
            r_quat = csv.reader(quat_fh, delimiter=',')

            i = 0

            obj.rotation_mode = 'QUATERNION'

            for row_loc in r_loc:
                row_quat = r_quat.__next__()

                #print([row_loc,row_quat])
                row_loc = [ float(x.strip()) for x in row_loc[:3]]
                row_quat = [ float(x.strip()) for x in row_quat[:4]]

                #print([row_loc,row_quat])
                fr = 10+2*i
                obj.location = row_loc
                obj.rotation_quaternion = row_quat

                obj.keyframe_insert(data_path="location", frame=fr)
                obj.keyframe_insert(data_path="rotation_quaternion", frame=fr)

                i = i+1


def keyframe_location(obj, fname):
    with open(fname, 'r') as loc_fh:
        r_loc = csv.reader(loc_fh, delimiter=',')
        i = 0
        for row_loc in r_loc:
            row_loc = [ float(x.strip()) for x in row_loc[:3]]
            fr = 10+2*i
            obj.location = row_loc
            obj.keyframe_insert(data_path="location", frame=fr)

            i = i+1


def keyframe_rotation(obj, fname):
    with open(fname, 'r') as quat_fh:
        r_quat = csv.reader(quat_fh, delimiter=',')
        i = 0
        obj.rotation_mode = 'QUATERNION'
        for row_quat in r_quat:
            row_quat = [ float(x.strip()) for x in row_quat[:4]]
            fr = 10+2*i
            obj.rotation_quaternion = row_quat
            obj.keyframe_insert(data_path="rotation_quaternion", frame=fr)

            i = i+1


def mission2(obj, loc_csv, quat_csv):
    """
     Use this version if the loc and quat .CSV files do not have the same number of lines.
     This opens up the question: why do they have differing numbers of lines?
     Are they covering the same time span at different frame rates, or do they cover different time spans?
    """
    keyframe_location(obj, loc_csv)
    keyframe_rotation(obj, quat_csv)


#
#

mission2(bpy.context.active_object, '/var/tmp/loc.txt', "/var/tmp/quat.txt")

Blender python API quick-start

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