fix stick slip demo + update in Readme

README.md

@@ -19,6 +19,16 @@ pathview/
 
 │   ├── backend.py        # Python backend API
 
+│   ├── components/       # JSx components
+
+│   ├── python/           # python package source
+
+│   ├── main.jsx
+
+│   ├── App.jsx           # main App
+
+│   ├── nodeConfig.js     # file to configure all the nodes
+
 ```
 
 # Installation and Setup

example_graphs/stick_slip.json

@@ -1,7 +1,7 @@
 {
   "version": {
     "pathsim_version": "0.8.2",
-    "pathview_version": "0.1.dev470+g017515800.d20250812"
+    "pathview_version": "0.2.dev12+gf6e0ac326"
   },
   "nodes": [
     {
@@ -142,8 +142,8 @@
       "id": "11",
       "type": "function",
       "position": {
-        "x": -54.52837524178651,
-        "y": 186.62617481093713
+        "x": 124.20448463464157,
+        "y": 166.46144190180163
       },
       "data": {
         "label": "Function",
@@ -163,8 +163,8 @@
       "id": "12",
       "type": "source",
       "position": {
-        "x": -257.2259405285811,
-        "y": 57.613473116620824
+        "x": -267.3083069831488,
+        "y": 56.69689434802376
       },
       "data": {
         "label": "source",
@@ -417,11 +417,11 @@
       "selected": false
     },
     {
-      "id": "e10-4-to_target-0",
-      "source": "10",
-      "target": "4",
+      "id": "e4-5",
+      "source": "4",
+      "target": "5",
       "sourceHandle": null,
-      "targetHandle": "target-0",
+      "targetHandle": null,
       "type": "smoothstep",
       "data": {},
       "style": {
@@ -436,11 +436,11 @@
       }
     },
     {
-      "id": "e12-4-to_target-1",
-      "source": "12",
-      "target": "4",
+      "id": "e4-6",
+      "source": "4",
+      "target": "6",
       "sourceHandle": null,
-      "targetHandle": "target-1",
+      "targetHandle": null,
       "type": "smoothstep",
       "data": {},
       "style": {
@@ -452,12 +452,13 @@
         "width": 20,
         "height": 20,
         "color": "#ECDFCC"
-      }
+      },
+      "selected": false
     },
     {
-      "id": "e4-5",
+      "id": "e4-19",
       "source": "4",
-      "target": "5",
+      "target": "19",
       "sourceHandle": null,
       "targetHandle": null,
       "type": "smoothstep",
@@ -474,11 +475,11 @@
       }
     },
     {
-      "id": "e4-6",
-      "source": "4",
-      "target": "6",
+      "id": "e10-4-to_target-1",
+      "source": "10",
+      "target": "4",
       "sourceHandle": null,
-      "targetHandle": null,
+      "targetHandle": "target-1",
       "type": "smoothstep",
       "data": {},
       "style": {
@@ -493,11 +494,11 @@
       }
     },
     {
-      "id": "e4-19",
-      "source": "4",
-      "target": "19",
+      "id": "e10-11-to_target-0",
+      "source": "10",
+      "target": "11",
       "sourceHandle": null,
-      "targetHandle": null,
+      "targetHandle": "target-0",
       "type": "smoothstep",
       "data": {},
       "style": {
@@ -512,9 +513,9 @@
       }
     },
     {
-      "id": "e4-11-to_target-0",
-      "source": "4",
-      "target": "11",
+      "id": "e12-4-to_target-0",
+      "source": "12",
+      "target": "4",
       "sourceHandle": null,
       "targetHandle": "target-0",
       "type": "smoothstep",
@@ -581,5 +582,5 @@
       "id": 1755090603806
     }
   ],
-  "pythonCode": "import numpy as np\n#initial position and velocity\nx0, v0 = 0, 0\n\n#system parameters\nm = 20.0    # mass\nk = 70.0    # spring constant\nd = 10.0    # spring damping\nmu = 1.5    # friction coefficient\ng = 9.81    # gravity\nv = 3.0     # belt velocity magnitude\nT = 50.0    # excitation period\n\nF_c = mu * m * g # friction force\n\n#function for belt velocity\ndef v_belt(t):\n    return v * np.sin(2*np.pi*t/T)\n\n#function for coulomb friction force\ndef f_coulomb(v, vb):\n    return F_c * np.sign(vb - v)\n\ndef slip_to_stick_evt(t):\n    _1, v_box , _2 = switch_4()\n    _1, v_belt, _2 = source_12()\n    dv = v_box - v_belt\n\n    return dv\n\ndef slip_to_stick_act(t):\n\n    #change switch state\n    switch_4.state = 1\n\n    integrator_1_10.off()\n    function_11.off()\n\n    E_slip_to_stick.off()\n    E_stick_to_slip.on()\n\ndef stick_to_slip_evt(t):\n    _1, F, _2 = add_8()\n    return F_c - abs(F)\n\ndef stick_to_slip_act(t):\n\n    #change switch state\n    switch_4.state = 0\n\n    integrator_1_10.on()\n    function_11.on()\n\n    #set integrator state\n    _1, v_box , _2 = switch_4()\n    integrator_1_10.engine.set(v_box)\n\n    E_slip_to_stick.on()\n    E_stick_to_slip.off()\n"
+  "pythonCode": "import numpy as np\n#initial position and velocity\nx0, v0 = 0, 0\n\n#system parameters\nm = 20.0    # mass\nk = 70.0    # spring constant\nd = 10.0    # spring damping\nmu = 1.5    # friction coefficient\ng = 9.81    # gravity\nv = 3.0     # belt velocity magnitude\nT = 50.0    # excitation period\n\nF_c = mu * m * g # friction force\n\n#function for belt velocity\ndef v_belt(t):\n    return v * np.sin(2*np.pi*t/T)\n\n#function for coulomb friction force\ndef f_coulomb(v, vb):\n    return F_c * np.sign(vb - v)\n\ndef slip_to_stick_evt(t):\n    _1, v_box , _2 = switch_4()\n    _1, v_belt, _2 = source_12()\n    dv = v_box - v_belt\n\n    return dv\n\ndef slip_to_stick_act(t):\n\n    #change switch state\n    switch_4.select(0)\n\n    integrator_1_10.off()\n    function_11.off()\n\n    E_slip_to_stick.off()\n    E_stick_to_slip.on()\n\ndef stick_to_slip_evt(t):\n    _1, F, _2 = add_8()\n    return F_c - abs(F)\n\ndef stick_to_slip_act(t):\n\n    #change switch state\n    switch_4.select(1)\n\n    integrator_1_10.on()\n    function_11.on()\n\n    #set integrator state\n    _1, v_box , _2 = switch_4()\n    integrator_1_10.engine.set(v_box)\n\n    E_slip_to_stick.on()\n    E_stick_to_slip.off()\n"
 }