public void WriteOut(string fname)
{
try
{
QresFinder.EnsureExistenceOfDirectory(fname);
File.WriteAllLines(fname, lines);
}
catch (Exception ex)
{
Debug.LogError(ex.ToString());
}
}
public (bool, string) GetElevdataFromQresFinder(QresFinder qrf)
{
if (!qrf.Exists())
{
return(false, "Qrf could not find data");
}
var text = qrf.GetText();
var textar = text.Split('\n');
var df = new SimpleDf();
df.ReadCsv(textar);
var rv = ProcessDf(df);
return(rv);
}
async Task <bool> GetQuadkeyAsy(string qkname, string ppath, string scenename)
{
Debug.Log("GetQuadKeyAsy" + scenename + " lod:" + levelOfDetail + " qk:" + qkname);
// https://t1.ssl.ak.dynamic.tiles.virtualearth.net/comp/ch/021230030212230?mkt=en&it=A,G,L,LA&og=30&n=z
//
//var uri = "https://t3.ssl.ak.dynamic.tiles.virtualearth.net/comp/ch/" + qkname + "?mkt=en&it=A,G,L,LA&og=30&n=z";
var uri = GetUri(qkname);
using (var webRequest = UnityWebRequest.Get(uri))
{
// Request and wait for the desired page.
webRequest.SendWebRequest();
while (!webRequest.isDone)
{
//yield return new WaitForSeconds(1000);
await Task.Delay(TimeSpan.FromSeconds(0.05f));
Debug.Log(" back from Task.Delay");
}
string[] pages = uri.Split('/');
int lastpage = pages.Length - 1;
if (webRequest.isNetworkError)
{
Debug.Log(pages[lastpage] + " - Error: " + webRequest.error);
return(false);
}
else
{
Debug.Log(pages[lastpage] + " - Received " + webRequest.downloadHandler.data.Length + " bytes");
//var dname = GetFullQkSubDir(scenename);
var dname = ppath;
var bytes = webRequest.downloadHandler.data;
var fname = dname + qkname + ".png";
QresFinder.EnsureExistenceOfDirectory(fname);
File.WriteAllBytes(fname, bytes);
Debug.Log("Wrote " + fname + " bytes:" + bytes.Length);
return(true);
}
}
}
public async Task <(bool, int)> RetrieveElevations(bool execute = true, bool forceload = false)
{
var ok = true;
string errmsg = "";
var nretrieved = 0;
if (heights.Count > 0)
{
return(ok, nretrieved);
}
var efname = "eledata.csv";
var efpath = "qkmaps/" + GetEleCsvSubDir(scenename, mapprov);
qrf = new QresFinder(efpath, efname);
(ok, errmsg) = GetElevdataFromQresFinder(qrf);
var ppath = qrf.PersistentPathName();
var tpath = qrf.TempPathName();
if (forceload || !ok)
{
Debug.LogWarning(errmsg);
Debug.LogWarning("Trying to retrieve heights from web");
//(ok,errmsg) = GetElevdataSync();
(ok, errmsg, nretrieved) = await GetWwwElevDataAsync(tpath, ppath, execute);
if (!ok)
{
Debug.LogError(errmsg);
}
else
{
qrf.Reload();
(ok, errmsg) = GetElevdataFromQresFinder(qrf);// try again
if (!ok)
{
Debug.LogError(errmsg);
}
}
}
return(ok, nretrieved);
}
async Task <(bool, string, int)> GetWwwElevDataAsync(string tpath, string ppath, bool execute = true)
{
Debug.Log("GetElevDataAsy - llb:" + llb.ToString() + " nrow:" + nrow + " ncol:" + ncol);
var ok = true;
var errmsg = "";
ElevCsvMaker csvmaker = new ElevCsvMaker(ncol, decpt: 1);
int maxElevationsPerRequest = 1024; // https://docs.microsoft.com/en-us/bingmaps/rest-services/elevations/get-elevations
int maxrowinblk = (maxElevationsPerRequest / ncol); // floor is what happens
if (maxrowinblk <= 0)
{
errmsg = $"Error ncol:{ncol} great than Bing Elevation Api Max Request:{maxElevationsPerRequest}";
return(false, errmsg, 0);
}
int nblk = nrow / maxrowinblk;
if (nrow % maxrowinblk != 0)
{
nblk += 1; // get the leftovers
}
Debug.Log("Stats maxrowinblk:" + maxrowinblk + " nblk:" + nblk);
int nretrieved = 0;
for (int iblk = 0; iblk < nblk; iblk++)
{
//var uri = String.Format(url, llb.latmin, llb.lngmin, llb.latmax, llb.lngmax, nrow, ncol, bingKey);
(var uriok, var uri, var blklatmin, var blklatmax) = GetWwwUri(llb, nrow, ncol, iblk, maxrowinblk);
if (!uriok)
{
break;
}
if (execute)
{
var rfname = GetElevReqName(tpath, iblk);
QresFinder.EnsureExistenceOfDirectory(rfname);
File.WriteAllText(rfname, uri);
Debug.Log("Wrote " + rfname + " bytes:" + uri.Length);
using (var webRequest = UnityWebRequest.Get(uri))
{
// Request and wait for the desired page.
var wr = webRequest.SendWebRequest();
while (!webRequest.isDone)
{
await Task.Delay(TimeSpan.FromSeconds(0.05f));
Debug.Log(" back from Task.Delay");
}
string[] uriarray = uri.Split('/');
int urilast = uriarray.Length - 1;
if (webRequest.isNetworkError)
{
errmsg = uriarray[urilast] + " - Error: " + webRequest.error;
return(false, errmsg, nretrieved);
}
Debug.Log(uriarray[urilast] + " - Received " + webRequest.downloadHandler.data.Length + " bytes");
var fname = GetEleBlkPathFileName(tpath, iblk);
QresFinder.EnsureExistenceOfDirectory(fname);
var bytes = webRequest.downloadHandler.data;
var str = System.Text.Encoding.Default.GetString(bytes);
ok = str.Contains("\"statusCode\":200");
if (ok)
{
csvmaker.AddStr(iblk, blklatmin, blklatmax, str);
}
else
{
errmsg = "See " + fname + " for error message";
Debug.LogError(errmsg);
}
File.WriteAllBytes(fname, bytes);
Debug.Log("Wrote " + fname + " bytes:" + bytes.Length + " ok:" + ok);
}
}
nretrieved++;
}
//var csvfname = GetElevCsvFullName();
var csvfname = GetElevCsvFullName(ppath);
QresFinder.EnsureExistenceOfDirectory(csvfname);
csvmaker.WriteOut(csvfname);
return(ok, errmsg, nretrieved);
}