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{
"cells": [
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"import ipyreact\n",
"from traitlets import List, Any\n",
"import numpy as np\n",
"\n",
"class TldrawSineWidget(ipyreact.ReactWidget):\n",
" points = List(List(Any())).tag(sync=True)\n",
" _esm = \"\"\"\n",
" import { TDShapeType, Tldraw } from \"@tldraw/tldraw\";\n",
" import * as React from \"react\";\n",
"\n",
" export default function App({ points }) {\n",
"\n",
" const [app, setApp] = React.useState()\n",
"\n",
" const handleMount = React.useCallback((app: Tldraw) => {\n",
" setApp(app)\n",
" }, []);\n",
"\n",
" React.useEffect(() => {\n",
" if (app) {\n",
" app.createShapes({\n",
" type: \"draw\",\n",
" id: \"draw1\",\n",
" color: 'red',\n",
" points: points,\n",
" });\n",
" }\n",
" }, [points, app])\n",
"\n",
" return (\n",
" <div\n",
" style={{\n",
" position: \"relative\",\n",
" width: \"800px\",\n",
" height: \"450px\",\n",
" }}\n",
" >\n",
" <Tldraw onMount={handleMount} onChange={e => console.log(\"hii\")} />\n",
" </div>\n",
" );\n",
"}\n",
"\n",
" \"\"\"\n",
"\n",
"import solara\n",
"import numpy as np\n",
"\n",
"float_value = solara.reactive(0)\n",
"\n",
"@solara.component\n",
"def Page():\n",
" dispersion = \"high\" # \"high\", \"low\", \"const\"\n",
" def n(wj):\n",
" if dispersion == \"high\":\n",
" return 1 + wj * 0.1\n",
" if dispersion == \"low\":\n",
" return 1.1 - wj * 0.01\n",
" if dispersion == \"const\":\n",
" return 1\n",
"\n",
" c = 1\n",
" num_of_waves = 121\n",
" start_w = 1\n",
" end_w = 7\n",
" x = np.linspace(-2, 10, 1001)\n",
" \n",
" def g(x, t):\n",
" u1 = 0\n",
" for wj in np.linspace(start_w, end_w, num_of_waves):\n",
" u1 += np.exp(1j * (wj * n(wj) / c * x - t * wj))\n",
" return u1.real\n",
"\n",
" ooo = 38 \n",
" points = np.column_stack((x*50+ooo, g(x, float_value.value)+150)).tolist()\n",
" points = points[100:]\n",
" points[0] = [ooo-40, 0]\n",
"\n",
"\n",
" # solara.Markdown(\" \\psi(x, t) = \\sum \\limits_j C_j \\cdot e^{\\mathrm{i}( - k_j \\cdot x + \\omega_j \\cdot t )}, \\omega_j= \\frac{k_j}{c(k_j)} $\")\n",
" # solara.Markdown(f\"**t**: {float_value.value}\")\n",
"\n",
"\n",
" with solara.Row():\n",
" solara.Button(\"Reset\", on_click=lambda: float_value.set(0))\n",
" solara.FloatSlider(\"Time t\", value=float_value, min=0, max=4*np.pi, step=0.1)\n",
" TldrawSineWidget.element(points=points)\n",
"\n",
"\n",
"\n",
"Page()"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "napari-env2",
"language": "python",
"name": "python3"
},
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"name": "ipython",
"version": 3
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"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.15"
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