panel.py

import bpy

class Anton_PT_Panel(bpy.types.Panel):
    bl_idname = 'ANTON_PT_panel'
    bl_label = 'anton'
    bl_category = 'anton'
    bl_space_type = 'VIEW_3D'
    bl_region_type = 'UI'

    def draw(self, context):
        layout = self.layout
        scene = context.scene

        row = layout.row()
        rowsub = layout.row(align=True)
        rowsub.prop(scene.anton, 'workspace_path')

        rowsub = layout.row(align=True)
        rowsub.prop(scene.anton, "number_of_forces")
        rowsub.operator('anton.forceupdate', icon='ADD')

        for item in scene.forceprop:
            row = layout.row()
            row.label(text=' ')
            row.prop(item, 'magnitude')
            scene.forced_magnitudes['FORCE_{}'.format(item.name)] = item.magnitude
            row.operator('anton.directionupdate', icon='EMPTY_ARROWS').force_id = 'FORCE_{}'.format(item.name)

        col = layout.column()
        col.operator('anton.define', text='Define')

        row = layout.row()
        row.label(text=" ")

        rowsub = layout.row(align=True)
        rowsub.prop(scene.anton, 'material')

        rowsub = layout.row(align=True)
        rowsub.prop(scene.anton, "res")

        row = layout.row(align=True)
        row.prop(scene.anton, "mode", icon='NONE', expand=True,
                    slider=True, toggle=False, icon_only=False, event=False,
                    full_event=False, emboss=True)

        if scene.anton.mode == 'WIREFRAME':
            row.prop(scene.anton, "wireframe_thickness")
            row.prop(scene.anton, "wireframe_gridsize")

        rowsub = layout.row(align=True)
        rowsub.prop(scene.anton, "volumina_ratio")
        rowsub.prop(scene.anton, "penalty_exponent")

        rowsub = layout.row(align=True)
        rowsub.prop(scene.anton, "fixed_threshold")
        rowsub.prop(scene.anton, "forced_threshold")

        rowsub = layout.row(align=True)
        rowsub.alignment = 'CENTER'
        rowsub.prop(scene.anton, "include_forced")
        rowsub.prop(scene.anton, "include_fixed")

        if scene.anton.include_fixed or scene.anton.include_forced:
            rowsub = layout.row(align=True)
            rowsub.prop(scene.anton, 'nds_density')

        rowsub = layout.row(align=True)
        rowsub.prop(scene.anton, 'number_of_iterations')

        rowsub = layout.row(align=True)
        rowsub.alignment = 'CENTER'
        rowsub.prop(scene.anton, "advanced_params")

        if scene.anton.advanced_params:
            rowsub = layout.row(align=True)
            rowsub.prop(scene.anton, "objective_threshold")
            rowsub.prop(scene.anton, "step_limit")
            rowsub = layout.row(align=True)
            rowsub.prop(scene.anton, "fraction_to_keep")
            rowsub.prop(scene.anton, "cg_tolerance")
            rowsub.prop(scene.anton, "active_threshold")
            rowsub = layout.row(align=True)
            rowsub.prop(scene.anton, "cg_max_iterations")
            rowsub.prop(scene.anton, "boundary_smoothing_iters")
            rowsub.prop(scene.anton, "smoothing_iters")
            rowsub = layout.row(align=True)
            rowsub.prop(scene.anton, "minimum_density")
            rowsub.prop(scene.anton, "minimum_stiffness")
            rowsub = layout.row(align=True)
            rowsub.alignment = 'CENTER'
            rowsub.prop(scene.anton, "exclude_fixed_cells")

        rowsub = layout.row(align=True)
        rowsub.operator('anton.process')

        row = layout.row()
        row.label(text=" ")

        rowsub = layout.row(align=True)
        rowsub.prop(scene.anton, "density_out")
        rowsub.prop(scene.anton, 'viz_iteration')
        rowsub = layout.row(align=True)
        rowsub.operator('anton.visualize')

        row = layout.row()
        row.label(text=" ")

        row = layout.row(align=True)
        row.alignment = 'RIGHT'
        row.label(text="Made with")
        row.label(icon='FUND')