private async void LoadSpatialReferencesAsync()
{
//init - placeholder
_executing = true;
OnPropertyChanged("IsExecutingQuery");
_timer.Start();
_coordSystems = new ObservableCollection <CoordSystemCollection>();
_coordSystems.Add(new CoordSystemCollection()
{
Name = "Loading Geographic Coordinate Systems...",
Regions = null
});
_coordSystems.Add(new CoordSystemCollection()
{
Name = "Loading Projected Coordinate Systems...",
Regions = null
});
try {
await System.Threading.Tasks.Task.Run(() => {
Dictionary <string, Dictionary <string, CoordSystemRegion> > regions =
new Dictionary <string, Dictionary <string, CoordSystemRegion> >();
regions.Add("Geographic Coordinate Systems", new Dictionary <string, CoordSystemRegion>()); //Geographic
regions.Add("Projected Coordinate Systems", new Dictionary <string, CoordSystemRegion>()); //Projected
string content = Resource1.sr_out; //Stored coordinate system information
int startIndex = 0;
string coordSystemType = "]]Geographic Coordinate Systems";
string remainder = "";
int idx = 9999;
while (idx > 0)
{
idx = content.IndexOf(coordSystemType);
if (idx < 0 && coordSystemType == "]]Geographic Coordinate Systems")
{
coordSystemType = "]]Projected Coordinate Systems";
idx = content.IndexOf(coordSystemType);
}
//now if it is less than zero, we are on the last coordinate system record
//Note: "+2" to skip the ']]' in the search string
string sr_record = content.Substring(0, idx > 0 ? idx + 2 : content.Length);
//each sr comes in blocks of 4
string[] srs = sr_record.Split(new char[] { '|' });
//Get the name components first - includes the coordinate system type
//and the region
string[] names = srs[0].Split(new char[] { '/' });
var srCategory = names[0];
string sep = "";
string srRegion = "";
for (int n = 1; n < names.Length - 1; n++)
{
srRegion += sep + names[n];
sep = ", ";
}
var name = string.Format("{0} ({1})", names[names.Length - 1], srs[1]);
var wkid = Int32.Parse(srs[2]);
var wkt = srs[3];
//save it
CoordSystemRegion region = null;
if (!regions[srCategory].ContainsKey(srRegion))
{
region = new CoordSystemRegion();
region.CoordSystemInfos = new List <CoordSystemInfo>();
region.Name = srRegion;
regions[srCategory].Add(srRegion, region);
}
else
{
region = regions[srCategory][srRegion];
}
CoordSystemInfo cs = new CoordSystemInfo()
{
Name = name,
InternalName = srs[1],
Region = srRegion,
WKID = wkid,
WKT = wkt
};
region.CoordSystemInfos.Add(cs);
if (idx > 0)
{
remainder = content.Substring(idx + 2);
content = remainder;
}
}
//save them
_coordSystems.Clear();
_coordSystems = null;
_coordSystems = new ObservableCollection <CoordSystemCollection>();
_coordSystems.Add(new CoordSystemCollection()
{
Name = "Geographic Coordinate Systems",
Regions = regions["Geographic Coordinate Systems"].Values.ToList()
});
_coordSystems.Add(new CoordSystemCollection()
{
Name = "Projected Coordinate Systems",
Regions = regions["Projected Coordinate Systems"].Values.ToList()
});
});
}
finally {
_timer.Stop();
_executing = false;
OnPropertyChanged("IsExecutingQuery");
OnPropertyChanged("CoordinateSystems");
}
}
private async void LoadSpatialReferencesAsync() {
//init - placeholder
_executing = true;
OnPropertyChanged("IsExecutingQuery");
_timer.Start();
_coordSystems = new ObservableCollection<CoordSystemCollection>();
_coordSystems.Add(new CoordSystemCollection() {
Name = "Loading Geographic Coordinate Systems...",
Regions = null
});
_coordSystems.Add(new CoordSystemCollection() {
Name = "Loading Projected Coordinate Systems...",
Regions = null
});
try {
await System.Threading.Tasks.Task.Run(() => {
Dictionary<string, Dictionary<string, CoordSystemRegion>> regions =
new Dictionary<string, Dictionary<string, CoordSystemRegion>>();
regions.Add("Geographic Coordinate Systems", new Dictionary<string, CoordSystemRegion>());//Geographic
regions.Add("Projected Coordinate Systems", new Dictionary<string, CoordSystemRegion>());//Projected
string content = Resource1.sr_out;//Stored coordinate system information
int startIndex = 0;
string coordSystemType = "]]Geographic Coordinate Systems";
string remainder = "";
int idx = 9999;
while (idx > 0) {
idx = content.IndexOf(coordSystemType);
if (idx < 0 && coordSystemType == "]]Geographic Coordinate Systems") {
coordSystemType = "]]Projected Coordinate Systems";
idx = content.IndexOf(coordSystemType);
}
//now if it is less than zero, we are on the last coordinate system record
//Note: "+2" to skip the ']]' in the search string
string sr_record = content.Substring(0, idx > 0 ? idx + 2 : content.Length);
//each sr comes in blocks of 4
string[] srs = sr_record.Split(new char[] { '|' });
//Get the name components first - includes the coordinate system type
//and the region
string[] names = srs[0].Split(new char[] { '/' });
var srCategory = names[0];
string sep = "";
string srRegion = "";
for (int n = 1; n < names.Length - 1; n++) {
srRegion += sep + names[n];
sep = ", ";
}
var name = string.Format("{0} ({1})", names[names.Length - 1], srs[1]);
var wkid = Int32.Parse(srs[2]);
var wkt = srs[3];
//save it
CoordSystemRegion region = null;
if (!regions[srCategory].ContainsKey(srRegion)) {
region = new CoordSystemRegion();
region.CoordSystemInfos = new List<CoordSystemInfo>();
region.Name = srRegion;
regions[srCategory].Add(srRegion, region);
}
else {
region = regions[srCategory][srRegion];
}
CoordSystemInfo cs = new CoordSystemInfo() {
Name = name,
InternalName = srs[1],
Region = srRegion,
WKID = wkid,
WKT = wkt
};
region.CoordSystemInfos.Add(cs);
if (idx > 0) {
remainder = content.Substring(idx + 2);
content = remainder;
}
}
//save them
_coordSystems.Clear();
_coordSystems = null;
_coordSystems = new ObservableCollection<CoordSystemCollection>();
_coordSystems.Add(new CoordSystemCollection() {
Name = "Geographic Coordinate Systems",
Regions = regions["Geographic Coordinate Systems"].Values.ToList()
});
_coordSystems.Add(new CoordSystemCollection() {
Name = "Projected Coordinate Systems",
Regions = regions["Projected Coordinate Systems"].Values.ToList()
});
});
}
finally {
_timer.Stop();
_executing = false;
OnPropertyChanged("IsExecutingQuery");
OnPropertyChanged("CoordinateSystems");
}
}
