{
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "\n# Example 10\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "import torch\nfrom deadleaves import LeafGeometryGenerator, LeafAppearanceSampler, ImageRenderer\nfrom deadleaves.utils import choose_compute_backend\n\nposition_mask = torch.zeros((512, 731), device=choose_compute_backend())\nY, X = torch.meshgrid(\n    torch.arange(731),\n    torch.arange(512),\n    indexing=\"xy\",\n)\ndist_from_center = torch.sqrt((X - 255.5) ** 2 + (Y - 365.5) ** 2)\nposition_mask = (dist_from_center <= 200) & (dist_from_center >= 50)\n\nmodel = LeafGeometryGenerator(\n    leaf_shape=\"ellipsoid\",\n    shape_param_distributions={\n        \"area\": {\"uniform\": {\"low\": 100.0, \"high\": 200.0}},\n        \"aspect_ratio\": {\"uniform\": {\"low\": 0.5, \"high\": 2}},\n        \"orientation\": {\"uniform\": {\"low\": 0.0, \"high\": 2 * torch.pi}},\n    },\n    image_shape=(512, 731),\n    position_mask=position_mask,\n    n_sample=1000,\n)\nleaf_table, segmentation_map = model.generate_segmentation()\n\ncolor_params = {\n    \"H\": {\"normal\": {\"loc\": 0.4, \"scale\": 0.05}},\n    \"S\": {\"normal\": {\"loc\": 0.5, \"scale\": 0.1}},\n    \"V\": {\"normal\": {\"loc\": 0.5, \"scale\": 0.1}},\n}\n\ncolormodel = LeafAppearanceSampler(leaf_table=leaf_table)\ncolormodel.sample_color(color_param_distributions=color_params)\n\nrenderer = ImageRenderer(\n    leaf_table=colormodel.leaf_table,\n    segmentation_map=segmentation_map,\n    background_color=torch.tensor([0.5, 0.5, 0.5]),\n)\nrenderer.render_image()\nrenderer.show()"
      ]
    }
  ],
  "metadata": {
    "kernelspec": {
      "display_name": "Python 3",
      "language": "python",
      "name": "python3"
    },
    "language_info": {
      "codemirror_mode": {
        "name": "ipython",
        "version": 3
      },
      "file_extension": ".py",
      "mimetype": "text/x-python",
      "name": "python",
      "nbconvert_exporter": "python",
      "pygments_lexer": "ipython3",
      "version": "3.12.3"
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