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Add Simplify Animation Curves tool
This tool is used to simplify animation curves in Maya using curve fitting techniques. It provides a matric for how closely the curve fits. GitHub issue #268
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‎python/CMakeLists.txt‎

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@@ -169,6 +169,11 @@ if (MMSOLVER_BUILD_QT_UI)
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${CMAKE_CURRENT_BINARY_DIR}/mmSolver/tools/attributecurvefilterpops/ui/ui_attrcurvefilterpops_layout.py
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)
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compile_qt_ui_to_python_file("attributecurvesimplify"
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${CMAKE_CURRENT_SOURCE_DIR}/mmSolver/tools/attributecurvesimplify/ui/attrcurvesimplify_layout.ui
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${CMAKE_CURRENT_BINARY_DIR}/mmSolver/tools/attributecurvesimplify/ui/ui_attrcurvesimplify_layout.py
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)
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compile_qt_ui_to_python_file("createcontroller2"
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${CMAKE_CURRENT_SOURCE_DIR}/mmSolver/tools/createcontroller2/ui/createcontroller_layout.ui
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${CMAKE_CURRENT_BINARY_DIR}/mmSolver/tools/createcontroller2/ui/ui_createcontroller_layout.py

‎python/mmSolver/tools/attributecurvesimplify/__init__.py‎

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# Copyright (C) 2025 David Cattermole.
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#
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# This file is part of mmSolver.
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#
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# mmSolver is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# mmSolver is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with mmSolver. If not, see <https://www.gnu.org/licenses/>.
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#
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"""Animation Curve Simplify tool."""

‎python/mmSolver/tools/attributecurvesimplify/constant.py‎

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# Copyright (C) 2025 David Cattermole.
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#
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# This file is part of mmSolver.
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#
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# mmSolver is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# mmSolver is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with mmSolver. If not, see <https://www.gnu.org/licenses/>.
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#
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"""
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Attribute Curve Filter constants.
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"""
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WINDOW_TITLE = "Attribute Curve Simplify"
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# Constants for frame range mode.
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FRAME_RANGE_MODE_INPUT_ANIM_CURVE_VALUE = "attrcurvesimplify_input_anim_curve"
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FRAME_RANGE_MODE_TIMELINE_INNER_VALUE = "attrcurvesimplify_timeline_inner"
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FRAME_RANGE_MODE_TIMELINE_OUTER_VALUE = "attrcurvesimplify_timeline_outer"
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FRAME_RANGE_MODE_CUSTOM_VALUE = "attrcurvesimplify_custom"
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FRAME_RANGE_MODE_VALUES = [
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FRAME_RANGE_MODE_INPUT_ANIM_CURVE_VALUE,
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FRAME_RANGE_MODE_TIMELINE_INNER_VALUE,
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FRAME_RANGE_MODE_TIMELINE_OUTER_VALUE,
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FRAME_RANGE_MODE_CUSTOM_VALUE,
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]
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FRAME_RANGE_MODE_INPUT_ANIM_CURVE_LABEL = "Input AnimCurve"
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FRAME_RANGE_MODE_TIMELINE_INNER_LABEL = "Timeline (Inner)"
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FRAME_RANGE_MODE_TIMELINE_OUTER_LABEL = "Timeline (Outer)"
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FRAME_RANGE_MODE_CUSTOM_LABEL = "Custom"
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FRAME_RANGE_MODE_LABELS = [
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FRAME_RANGE_MODE_INPUT_ANIM_CURVE_LABEL,
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FRAME_RANGE_MODE_TIMELINE_INNER_LABEL,
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FRAME_RANGE_MODE_TIMELINE_OUTER_LABEL,
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FRAME_RANGE_MODE_CUSTOM_LABEL,
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]
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FRAME_RANGE_MODE_VALUE_LABEL_MAP = {
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FRAME_RANGE_MODE_INPUT_ANIM_CURVE_VALUE: FRAME_RANGE_MODE_INPUT_ANIM_CURVE_LABEL,
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FRAME_RANGE_MODE_TIMELINE_INNER_VALUE: FRAME_RANGE_MODE_TIMELINE_INNER_LABEL,
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FRAME_RANGE_MODE_TIMELINE_OUTER_VALUE: FRAME_RANGE_MODE_TIMELINE_OUTER_LABEL,
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FRAME_RANGE_MODE_CUSTOM_VALUE: FRAME_RANGE_MODE_CUSTOM_LABEL,
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}
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# Constants for distribution.
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#
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# These string values must match up with the values in
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# "./src/mmSolver/cmd/MMAnimCurveSimplifyCmd.cpp".
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DISTRIBUTION_UNIFORM_VALUE = "uniform"
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DISTRIBUTION_AUTO_KEYPOINTS_VALUE = "auto_keypoints"
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DISTRIBUTION_VALUES = [
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DISTRIBUTION_UNIFORM_VALUE,
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DISTRIBUTION_AUTO_KEYPOINTS_VALUE,
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]
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DISTRIBUTION_UNIFORM_LABEL = "Uniform"
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DISTRIBUTION_AUTO_KEYPOINTS_LABEL = "Auto Keypoints"
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DISTRIBUTION_LABELS = [
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DISTRIBUTION_UNIFORM_LABEL,
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DISTRIBUTION_AUTO_KEYPOINTS_LABEL,
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]
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DISTRIBUTION_VALUE_LABEL_MAP = {
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DISTRIBUTION_UNIFORM_VALUE: DISTRIBUTION_UNIFORM_LABEL,
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DISTRIBUTION_AUTO_KEYPOINTS_VALUE: DISTRIBUTION_AUTO_KEYPOINTS_LABEL,
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}
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# Constants for interpolation.
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#
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# These string values must match up with the values in
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# "./src/mmSolver/cmd/MMAnimCurveSimplifyCmd.cpp".
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CMD_INTERPOLATION_LINEAR_VALUE = "linear"
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CMD_INTERPOLATION_QUADRATIC_NUBS_VALUE = "quadratic_nubs"
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CMD_INTERPOLATION_CUBIC_NUBS_VALUE = "cubic_nubs"
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CMD_INTERPOLATION_CUBIC_SPLINE_VALUE = "cubic_spline"
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CMD_INTERPOLATION_VALUES = [
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CMD_INTERPOLATION_LINEAR_VALUE,
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CMD_INTERPOLATION_QUADRATIC_NUBS_VALUE,
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CMD_INTERPOLATION_CUBIC_NUBS_VALUE,
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CMD_INTERPOLATION_CUBIC_SPLINE_VALUE,
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]
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# Constants for interpolation.
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INTERPOLATION_LINEAR_VALUE = "linear"
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INTERPOLATION_SMOOTH_VALUE = "smooth"
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INTERPOLATION_VALUES = [
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INTERPOLATION_LINEAR_VALUE,
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INTERPOLATION_SMOOTH_VALUE,
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]
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INTERPOLATION_LINEAR_LABEL = "Linear"
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INTERPOLATION_SMOOTH_LABEL = "Smooth"
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INTERPOLATION_LABELS = [
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INTERPOLATION_LINEAR_LABEL,
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INTERPOLATION_SMOOTH_LABEL,
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]
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INTERPOLATION_VALUE_LABEL_MAP = {
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INTERPOLATION_LINEAR_VALUE: INTERPOLATION_LINEAR_LABEL,
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INTERPOLATION_SMOOTH_VALUE: INTERPOLATION_SMOOTH_LABEL,
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}
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# Default Values
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DEFAULT_FRAME_START = 1
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DEFAULT_FRAME_END = 120
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DEFAULT_FRAME_RANGE_MODE = FRAME_RANGE_MODE_INPUT_ANIM_CURVE_VALUE
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DEFAULT_CONTROL_POINTS = 3
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DEFAULT_DISTRIBUTION = DISTRIBUTION_UNIFORM_VALUE
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DEFAULT_INTERPOLATION = INTERPOLATION_SMOOTH_VALUE
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# Config files
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CONFIG_FRAME_RANGE_MODE_KEY = "mmSolver_attrcurvesimplify_frame_range_mode"
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CONFIG_FRAME_START_KEY = "mmSolver_attrcurvesimplify_frame_start"
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CONFIG_FRAME_END_KEY = "mmSolver_attrcurvesimplify_frame_end"
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CONFIG_CONTROL_POINTS_KEY = "mmSolver_attrcurvesimplify_control_points"
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CONFIG_DISTRIBUTION_KEY = "mmSolver_attrcurvesimplify_distribution"
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CONFIG_INTERPOLATION_KEY = "mmSolver_attrcurvesimplify_interpolation"

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