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{
"cells": [
{
"cell_type": "code",
"execution_count": 64,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"import struct\n",
"import matplotlib.pyplot as plt\n",
"import math\n",
"from py_rmatools import rma\n",
"\n",
"%matplotlib qt\n",
"plt.rcParams.update({'figure.max_open_warning': 0})"
]
},
{
"cell_type": "code",
"execution_count": 65,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"meshFilename = 'ck_034.rm1'\n",
"channelWidth = 100\n",
"RMAfilename = 'CK011_WQ'\n",
"\n",
"#If RMA11\n",
"constNum = [1]"
]
},
{
"cell_type": "code",
"execution_count": 66,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"def isElementOneD(nodelist):\n",
" if len(nodelist) == 2:\n",
" return True\n",
" return False\n",
"\n",
"def isElementSquare(nodelist):\n",
" if len(nodelist) == 4:\n",
" return True\n",
" return False\n",
"\n",
"def square2Triangle(ElementNum):\n",
" nodelist = ElementDict[ElementNum]\n",
" if isElementSquare(nodelist):\n",
" ElementDict[ElementNum] = [nodelist[0], nodelist[1], nodelist[2]]\n",
" ElementList.append(max(ElementList) + 1)\n",
" ElementDict[ElementList[-1]]= [nodelist[0], nodelist[2], nodelist[3]]\n",
" \n",
"def oneD2triangle(ElementNum):\n",
" if isElementOneD(ElementDict[ElementNum]):\n",
" nAe = ElementDict[ElementNum][0] #nAe Node A existing\n",
" nBe = ElementDict[ElementNum][1]\n",
" \n",
" if not nAe in node1Dduplicate: node1Dduplicate[nAe] = []\n",
" if not nBe in node1Dduplicate: node1Dduplicate[nBe] = []\n",
" \n",
" xA = nodeDict[nAe][0]\n",
" xB = nodeDict[nBe][0]\n",
" yA = nodeDict[nAe][1]\n",
" yB = nodeDict[nBe][1]\n",
" \n",
" normalVec = [-(yB - yA),(xB - xA)]\n",
" dist = math.sqrt(normalVec[0]**2 + normalVec[1]**2)\n",
" normalVec[0] = normalVec[0] / dist\n",
" normalVec[1] = normalVec[1] / dist\n",
" xA2 = xA + channelWidth * normalVec[0]\n",
" xB2 = xB + channelWidth * normalVec[0]\n",
" yA2 = yA + channelWidth * normalVec[1]\n",
" yB2 = yB + channelWidth * normalVec[1]\n",
" \n",
"\n",
" nA = max(NodeList) + 1\n",
" nB = max(NodeList) + 2\n",
" \n",
" node1Dduplicate[nAe].append(nA)\n",
" node1Dduplicate[nBe].append(nB) \n",
" \n",
" node2nodevalue[nA] = nAe\n",
" node2nodevalue[nB] = nBe\n",
" \n",
" \n",
" NodeList.append(nA)\n",
" NodeList.append(nB)\n",
" nodeDict[nA] = [xA2, yA2, -1.01]\n",
" nodeDict[nB] = [xB2, yB2, -1.01]\n",
" \n",
" newEle = max(ElementList) + 1\n",
" ElementList .append(newEle)\n",
" ElementDict[ElementNum] = [nAe, nA, nBe]\n",
" ElementDict[newEle] = [nA, nB, nBe]\n",
" \n",
"def RMA11toSerafin():\n",
" f = open('{}.slf'.format(RMAfilename), 'wb')\n",
"\n",
" f.write(struct.pack(\">l\",80))\n",
" str='{0: >80}'.format('SERAFIN ')\n",
" f.write(str.encode('ascii'))\n",
" f.write(struct.pack(\">l\",80))\n",
"\n",
" f.write(struct.pack(\">l\",8))\n",
" f.write(struct.pack(\">l\",len(constNum)))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",8))\n",
"\n",
" for c in constName:\n",
" f.write(struct.pack(\">l\",32))\n",
" str='{0: <32}'.format(c)\n",
" f.write(str.encode('ascii'))\n",
" f.write(struct.pack(\">l\",32))\n",
"\n",
"\n",
" f.write(struct.pack(\">l\",40))\n",
" f.write(struct.pack(\">l\",1))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",1))\n",
" f.write(struct.pack(\">l\",40))\n",
"\n",
" f.write(struct.pack(\">l\",24))\n",
" f.write(struct.pack(\">l\",R.year))\n",
" f.write(struct.pack(\">l\",1))\n",
" f.write(struct.pack(\">l\",1))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",24))\n",
"\n",
" f.write(struct.pack(\">l\",16))\n",
" f.write(struct.pack(\">l\",len(ElementList)))\n",
" f.write(struct.pack(\">l\",len(NodeList)))\n",
" f.write(struct.pack(\">l\",3))\n",
" f.write(struct.pack(\">l\",1))\n",
" f.write(struct.pack(\">l\",16))\n",
"\n",
"\n",
" f.write(struct.pack(\">l\",len(ElementList)*3*4))\n",
" for el in ElementList:\n",
" for nd in ElementDict[el]:\n",
" f.write(struct.pack(\">l\",nodeOrdered[nd])) \n",
" f.write(struct.pack(\">l\",len(ElementList)*3*4))\n",
"\n",
" f.write(struct.pack(\">l\",len(NodeList)))\n",
" for i in range(0,len(NodeList)):\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",len(NodeList)))\n",
"\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" for key, value in nodeDict.items():\n",
" f.write(struct.pack(\">f\",value[0]))\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
"\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" for key, value in nodeDict.items():\n",
" f.write(struct.pack(\">f\",value[1]))\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
"\n",
"\n",
"\n",
" while R.next():\n",
" #for i in range(3):\n",
" f.write(struct.pack(\">l\",4))\n",
" f.write(struct.pack(\">f\",R.time * 3600))\n",
" f.write(struct.pack(\">l\",4))\n",
"\n",
" for c in constNum:\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" for key, value in nodeDict.items():\n",
" if key in node2nodevalue.keys():\n",
" f.write(struct.pack(\">f\",R.constit[c][node2nodevalue[key]]))\n",
" else:\n",
" f.write(struct.pack(\">f\",R.constit[c][key]))\n",
"\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
"\n",
" R.next()\n",
"\n",
" f.close() \n",
"\n",
" \n",
" \n",
"def RMA2toSerafin():\n",
" f = open('{}.slf'.format(RMAfilename), 'wb')\n",
"\n",
" f.write(struct.pack(\">l\",80))\n",
" str='{0: >80}'.format('SERAFIN ')\n",
" f.write(str.encode('ascii'))\n",
" f.write(struct.pack(\">l\",80))\n",
"\n",
" f.write(struct.pack(\">l\",8))\n",
" f.write(struct.pack(\">l\",len(constName)))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",8))\n",
"\n",
" for c in constName:\n",
" f.write(struct.pack(\">l\",32))\n",
" str='{0: <32}'.format(c)\n",
" f.write(str.encode('ascii'))\n",
" f.write(struct.pack(\">l\",32))\n",
"\n",
"\n",
" f.write(struct.pack(\">l\",40))\n",
" f.write(struct.pack(\">l\",1))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",1))\n",
" f.write(struct.pack(\">l\",40))\n",
"\n",
" f.write(struct.pack(\">l\",24))\n",
" f.write(struct.pack(\">l\",R.year))\n",
" f.write(struct.pack(\">l\",1))\n",
" f.write(struct.pack(\">l\",1))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",24))\n",
"\n",
" f.write(struct.pack(\">l\",16))\n",
" f.write(struct.pack(\">l\",len(ElementList)))\n",
" f.write(struct.pack(\">l\",len(NodeList)))\n",
" f.write(struct.pack(\">l\",3))\n",
" f.write(struct.pack(\">l\",1))\n",
" f.write(struct.pack(\">l\",16))\n",
"\n",
"\n",
" f.write(struct.pack(\">l\",len(ElementList)*3*4))\n",
" for el in ElementList:\n",
" for nd in ElementDict[el]:\n",
" f.write(struct.pack(\">l\",nodeOrdered[nd]))\n",
" f.write(struct.pack(\">l\",len(ElementList)*3*4))\n",
"\n",
" f.write(struct.pack(\">l\",len(NodeList)))\n",
" for i in range(0,len(NodeList)):\n",
" f.write(struct.pack(\">l\",0))\n",
" f.write(struct.pack(\">l\",len(NodeList)))\n",
"\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" for key, value in nodeDict.items():\n",
" f.write(struct.pack(\">f\",value[0]))\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
"\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" for key, value in nodeDict.items():\n",
" f.write(struct.pack(\">f\",value[1]))\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
"\n",
"\n",
"\n",
" while R.next():\n",
"\n",
" f.write(struct.pack(\">l\",4))\n",
" f.write(struct.pack(\">f\",R.time * 3600))\n",
" f.write(struct.pack(\">l\",4))\n",
"\n",
"\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" for key, value in nodeDict.items():\n",
" if key in node2nodevalue.keys():\n",
" f.write(struct.pack(\">f\",R.xvel[node2nodevalue[key]]))\n",
" else:\n",
" f.write(struct.pack(\">f\",R.xvel[key]))\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
"\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" for key, value in nodeDict.items():\n",
" if key in node2nodevalue.keys():\n",
" f.write(struct.pack(\">f\",R.yvel[node2nodevalue[key]]))\n",
" else:\n",
" f.write(struct.pack(\">f\",R.yvel[key]))\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" \n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" for key, value in nodeDict.items():\n",
" if key in node2nodevalue.keys():\n",
" f.write(struct.pack(\">f\",R.depth[node2nodevalue[key]]))\n",
" else:\n",
" f.write(struct.pack(\">f\",R.depth[key]))\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" \n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" for key, value in nodeDict.items():\n",
" if key in node2nodevalue.keys():\n",
" f.write(struct.pack(\">f\",R.elevation[node2nodevalue[key]]))\n",
" else:\n",
" f.write(struct.pack(\">f\",R.elevation[key]))\n",
" f.write(struct.pack(\">l\",len(NodeList)*4))\n",
" \n",
" \n",
" R.next()\n",
"\n",
" f.close() "
]
},
{
"cell_type": "code",
"execution_count": 67,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"#Read mesh file and extract node (except mid node) and elements - plus convert 1D element to 2D for vizualisation\n",
"NodeList = [] \n",
"ElementList = []\n",
"ElementDict = {}\n",
"nodeDict = {}\n",
"node1Dduplicate = {} #Original Number: List of Duplicates\n",
"node2nodevalue = {} #link between the node number and the node value to use \n",
" #(e.g. if node 10 is a 1D node: 10 is not duplicate so {1:1}, \n",
" #but node 2050 (duplicate of 10) (1D to 2D) the value of the duplicated \n",
" #node will be the same as the original so we might have {2050: 10})\n",
" \n",
"with open(meshFilename) as f:\n",
" line = f.readline()\n",
" line = f.readline()\n",
" line = f.readline()\n",
" line = f.readline()\n",
" \n",
" cpt = 1\n",
" while line and line != ' 9999\\n':\n",
" temp = line.split()\n",
" ElementDict[int(temp[0])] = [int(temp[i]) for i in range(1,9,2) if temp[i] != '0' and int(temp[9]) < 100]\n",
" ElementList.append(int(temp[0]))\n",
" line = f.readline()\n",
" \n",
" for key, value in ElementDict.items():\n",
" NodeList.extend(value)\n",
" \n",
" NodeList = list(set(NodeList))\n",
"\n",
" line = f.readline()\n",
" while line and line != ' 9999\\n':\n",
" temp = line.split()\n",
" if int(temp[0]) in NodeList:\n",
" nodeDict[int(temp[0])] = [float(temp[1]),float(temp[2]),float(temp[3])]\n",
" line = f.readline()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
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"source": []
},
{
"cell_type": "code",
"execution_count": 75,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"for e in ElementList:\n",
" oneD2triangle(e)\n",
" square2Triangle(e)\n",
" \n",
"for key in list(ElementDict): #Remove Special Element 902.....\n",
" if len(ElementDict[key]) != 3:\n",
" print(key, ElementDict[key])\n",
" ElementDict.pop(key)\n",
" ElementList.remove(key)\n",
" \n",
"nodeOrdered = {}\n",
"cpt = 1\n",
"for key, value in nodeDict.items():\n",
" nodeOrdered[key] = cpt\n",
" cpt +=1"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Open and Read First Step of the RMA File and Save a Serafin"
]
},
{
"cell_type": "code",
"execution_count": 72,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"R=rma()\n",
"R.open(RMAfilename)\n",
"R.next()\n",
"\n",
"if R.type==b'RMA11 ':\n",
" constName = []\n",
" for c in constNum:\n",
" constName.append(R.constit_name[c].decode(\"utf-8\"))\n",
" RMA11toSerafin()\n",
" \n",
"if R.type==b'RMA2 ':\n",
" constName = ['X-VEL','Y-VEL','DEPTH','FREE SURFACE'] \n",
" RMA2toSerafin()\n",
" \n"
]
},
{
"cell_type": "code",
"execution_count": null,
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"collapsed": false
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{
"cell_type": "code",
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"metadata": {
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"outputs": [],
"source": [
"\n",
"\n"
]
},
{
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"kernelspec": {
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