Code makeup
This commit is contained in:
djes
647
PBMap.pb
647
PBMap.pb
@@ -12,7 +12,7 @@
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;********************************************************************
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CompilerIf #PB_Compiler_Thread = #False
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MessageRequester("Warning !!","You must enable ThreadSafe support in compiler options",#PB_MessageRequester_Ok )
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MessageRequester("Warning !", "You must enable ThreadSafe support in compiler options", #PB_MessageRequester_Ok )
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End
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CompilerEndIf
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@@ -22,23 +22,14 @@ InitNetwork()
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UsePNGImageDecoder()
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UsePNGImageEncoder()
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;- Module declaration
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DeclareModule PBMap
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;-Show debug infos
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Global MyDebugLevel = 0
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CompilerIf #PB_Compiler_OS = #PB_OS_Linux
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#Red = 255
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CompilerEndIf
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Global slash.s
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CompilerSelect #PB_Compiler_OS
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CompilerCase #PB_OS_Windows
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slash = "\"
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CompilerDefault
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slash = "/"
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CompilerEndSelect
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#SCALE_NAUTICAL = 1
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#SCALE_KM = 0
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@@ -49,7 +40,10 @@ DeclareModule PBMap
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#MARKER_EDIT_EVENT = #PB_Event_FirstCustomValue
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;-Declarations
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#PB_MAP_REDRAW = #PB_EventType_FirstCustomValue + 1
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#PB_MAP_RETRY = #PB_EventType_FirstCustomValue + 2
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#PB_MAP_TILE_CLEANUP = #PB_EventType_FirstCustomValue + 3
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Declare InitPBMap(window)
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Declare SetOption(Option.s, Value.s)
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Declare LoadOptions(PreferencesFile.s = "PBMap.prefs")
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@@ -57,16 +51,24 @@ DeclareModule PBMap
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Declare.i AddMapServerLayer(LayerName.s, Order.i, ServerURL.s = "http://tile.openstreetmap.org/", TileSize = 256, ZoomMin = 0, ZoomMax = 18)
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Declare DeleteLayer(Nb.i)
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Declare BindMapGadget(Gadget.i)
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Declare MapGadget(Gadget.i, X.i, Y.i, Width.i, Height.i)
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Declare SetLocation(latitude.d, longitude.d, Zoom = -1, mode.i = #PB_Absolute)
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Declare Drawing()
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Declare SetAngle(Angle.d, Mode = #PB_Absolute)
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Declare SetZoom(Zoom.i, mode.i = #PB_Relative)
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Declare ZoomToArea(MinY.d, MaxY.d, MinX.d, MaxX.d)
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Declare ZoomToTracks(*Tracks)
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Declare SetCallBackLocation(*CallBackLocation)
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Declare SetCallBackMainPointer(CallBackMainPointer.i)
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Declare MapGadget(Gadget.i, X.i, Y.i, Width.i, Height.i)
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Declare.d GetLatitude()
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Declare.d GetLongitude()
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Declare.d GetMouseLatitude()
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Declare.d GetMouseLongitude()
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Declare.d GetAngle()
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Declare.i GetZoom()
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Declare.i GetMode()
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Declare SetMode(Mode.i = #MODE_DEFAULT)
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Declare SetMapScaleUnit(ScaleUnit=PBMAP::#SCALE_KM)
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Declare SetLocation(latitude.d, longitude.d, Zoom = -1, mode.i = #PB_Absolute)
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Declare SetAngle(Angle.d, Mode = #PB_Absolute)
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Declare SetZoom(Zoom.i, mode.i = #PB_Relative)
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Declare SetZoomToArea(MinY.d, MaxY.d, MinX.d, MaxX.d)
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Declare SetZoomToTracks(*Tracks)
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Declare NominatimGeoLocationQuery(Address.s, *ReturnPosition= 0) ;Send back the position *ptr.GeographicCoordinates
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Declare.i LoadGpxFile(file.s);
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Declare ClearTracks()
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Declare DeleteTrack(*Ptr)
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@@ -76,18 +78,10 @@ DeclareModule PBMap
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Declare ClearMarkers()
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Declare DeleteMarker(*Ptr)
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Declare DeleteSelectedMarkers()
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Declare Drawing()
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Declare Quit()
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Declare Error(msg.s)
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Declare Refresh()
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Declare.d GetLatitude()
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Declare.d GetLongitude()
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Declare.d MouseLatitude()
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Declare.d MouseLongitude()
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Declare.d GetAngle()
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Declare.i GetZoom()
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Declare.i GetMode()
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Declare SetMode(Mode.i = #MODE_DEFAULT)
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Declare NominatimGeoLocationQuery(Address.s, *ReturnPosition= 0) ;Send back the position *ptr.GeographicCoordinates
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Declare.i ClearDiskCache()
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EndDeclareModule
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@@ -95,6 +89,8 @@ Module PBMap
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EnableExplicit
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;-*** Structures
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Structure GeographicCoordinates
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Longitude.d
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Latitude.d
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@@ -110,7 +106,6 @@ Module PBMap
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y.d
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EndStructure
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;- Tile Structure
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Structure Tile
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nImage.i
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key.s
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@@ -225,7 +220,7 @@ Module PBMap
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StrokeWidth.i
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EndStructure
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;-PBMap Structure
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;- PBMap
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Structure PBMap
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Window.i ; Parent Window
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Gadget.i ; Canvas Gadget Id
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@@ -267,14 +262,37 @@ Module PBMap
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EndStructure
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#PB_MAP_REDRAW = #PB_EventType_FirstCustomValue + 1
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#PB_MAP_RETRY = #PB_EventType_FirstCustomValue + 2
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#PB_MAP_TILE_CLEANUP = #PB_EventType_FirstCustomValue + 3
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;-*** Global variables
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;-Show debug infos
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Global MyDebugLevel = 0
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;-Global variables
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Global PBMap.PBMap, Null.i
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Global slash.s
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;Shows an error msg and terminates the program
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CompilerSelect #PB_Compiler_OS
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CompilerCase #PB_OS_Windows
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Global slash = "\"
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CompilerDefault
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Global slash = "/"
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CompilerEndSelect
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;- *** GetText - Translation purpose
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;TODO use this for all text
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IncludeFile "gettext.pbi"
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;-*** Misc tools
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Macro Min(a, b)
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(Bool((a) <= (b)) * (a) + Bool((b) < (a)) * (b))
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EndMacro
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Macro Max(a, b)
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(Bool((a) >= (b)) * (a) + Bool((b) > (a)) * (b))
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EndMacro
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;Shows an error msg and terminates the program
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Procedure Error(msg.s)
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MessageRequester("PBMap", msg, #PB_MessageRequester_Ok)
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End
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@@ -288,9 +306,49 @@ Module PBMap
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EndIf
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EndProcedure
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;- *** GetText - Translation purpose
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;TODO use this for all text
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IncludeFile "gettext.pbi"
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;(c) ts-soft http://www.purebasic.fr/english/viewtopic.php?f=12&t=58657&hilit=createdirectory&view=unread#unread
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CompilerSelect #PB_Compiler_OS
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CompilerCase #PB_OS_Windows
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#FILE_ATTRIBUTE_DEVICE = 64 ;(0x40)
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#FILE_ATTRIBUTE_INTEGRITY_STREAM = 32768 ;(0x8000)
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#FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 8192;(0x2000)
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#FILE_ATTRIBUTE_NO_SCRUB_DATA = 131072;(0x20000)
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#FILE_ATTRIBUTE_VIRTUAL = 65536;(0x10000)
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#FILE_ATTRIBUTE_DONTSETFLAGS = ~(#FILE_ATTRIBUTE_DIRECTORY|
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#FILE_ATTRIBUTE_SPARSE_FILE|
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#FILE_ATTRIBUTE_OFFLINE|
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#FILE_ATTRIBUTE_NOT_CONTENT_INDEXED|
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#FILE_ATTRIBUTE_VIRTUAL|
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0)
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Macro SetFileAttributesEx(Name, Attribs)
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SetFileAttributes(Name, Attribs & #FILE_ATTRIBUTE_DONTSETFLAGS)
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EndMacro
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CompilerDefault
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Macro SetFileAttributesEx(Name, Attribs)
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SetFileAttributes(Name, Attribs)
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EndMacro
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CompilerEndSelect
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Procedure CreateDirectoryEx(DirectoryName.s, FileAttribute = #PB_Default)
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Protected i, c, tmp.s
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If Right(DirectoryName, 1) = slash
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DirectoryName = Left(DirectoryName, Len(DirectoryName) -1)
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EndIf
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c = CountString(DirectoryName, slash) + 1
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For i = 1 To c
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tmp + StringField(DirectoryName, i, slash)
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If FileSize(tmp) <> -2
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CreateDirectory(tmp)
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EndIf
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tmp + slash
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Next
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If FileAttribute <> #PB_Default
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SetFileAttributesEx(DirectoryName, FileAttribute)
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EndIf
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If FileSize(DirectoryName) = -2
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ProcedureReturn #True
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EndIf
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EndProcedure
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Procedure TechnicalImagesCreation()
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;"Loading" image
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@@ -329,20 +387,182 @@ Module PBMap
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EndIf
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EndProcedure
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Procedure.d Distance(x1.d, y1.d, x2.d, y2.d)
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Protected Result.d
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Result = Sqr( (x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2))
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ProcedureReturn Result
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EndProcedure
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;*** Converts coords to tile.decimal
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;Warning, structures used in parameters are not tested
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Procedure LatLon2TileXY(*Location.GeographicCoordinates, *Coords.Coordinates, Zoom)
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Protected n.d = Pow(2.0, Zoom)
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Protected LatRad.d = Radian(*Location\Latitude)
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*Coords\x = n * (Mod( *Location\Longitude + 180.0, 360) / 360.0 )
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*Coords\y = n * ( 1.0 - Log(Tan(LatRad) + (1.0/Cos(LatRad))) / #PI ) / 2.0
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MyDebug("Latitude : " + StrD(*Location\Latitude) + " ; Longitude : " + StrD(*Location\Longitude), 5)
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MyDebug("Coords X : " + Str(*Coords\x) + " ; Y : " + Str(*Coords\y), 5)
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EndProcedure
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;*** Converts tile.decimal to coords
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;Warning, structures used in parameters are not tested
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Procedure TileXY2LatLon(*Coords.Coordinates, *Location.GeographicCoordinates, Zoom)
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Protected n.d = Pow(2.0, Zoom)
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;Ensures the longitude to be in the range [-180;180[
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*Location\Longitude = Mod(Mod(*Coords\x / n * 360.0, 360.0) + 360.0, 360.0) - 180
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*Location\Latitude = Degree(ATan(SinH(#PI * (1.0 - 2.0 * *Coords\y / n))))
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If *Location\Latitude <= -89
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*Location\Latitude = -89
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EndIf
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If *Location\Latitude >= 89
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*Location\Latitude = 89
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EndIf
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EndProcedure
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Procedure Pixel2LatLon(*Coords.PixelCoordinates, *Location.GeographicCoordinates, Zoom)
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Protected n.d = PBMap\TileSize * Pow(2.0, Zoom)
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;Ensures the longitude to be in the range [-180;180[
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*Location\Longitude = Mod(Mod(*Coords\x / n * 360.0, 360.0) + 360.0, 360.0) - 180
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*Location\Latitude = Degree(ATan(SinH(#PI * (1.0 - 2.0 * *Coords\y / n))))
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If *Location\Latitude <= -89
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*Location\Latitude = -89
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EndIf
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If *Location\Latitude >= 89
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*Location\Latitude = 89
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EndIf
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EndProcedure
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;Ensures the longitude to be in the range [-180;180[
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Procedure.d ClipLongitude(Longitude.d)
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ProcedureReturn Mod(Mod(Longitude + 180, 360.0) + 360.0, 360.0) - 180
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EndProcedure
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;Lat Lon coordinates 2 pixel absolute [0 to 2^Zoom * TileSize [
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Procedure LatLon2Pixel(*Location.GeographicCoordinates, *Pixel.PixelCoordinates, Zoom)
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Protected tilemax = Pow(2.0, Zoom) * PBMap\TileSize
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Protected LatRad.d = Radian(*Location\Latitude)
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*Pixel\x = tilemax * (Mod( *Location\Longitude + 180.0, 360) / 360.0 )
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*Pixel\y = tilemax * ( 1.0 - Log(Tan(LatRad) + (1.0/Cos(LatRad))) / #PI ) / 2.0
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EndProcedure
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;Lat Lon coordinates 2 pixel relative to the center of view
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Procedure LatLon2PixelRel(*Location.GeographicCoordinates, *Pixel.PixelCoordinates, Zoom)
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Protected tilemax = Pow(2.0, Zoom) * PBMap\TileSize
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Protected cx.d = PBMap\Drawing\RadiusX
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Protected dpx.d = PBMap\PixelCoordinates\x
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Protected LatRad.d = Radian(*Location\Latitude)
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Protected px.d = tilemax * (Mod( *Location\Longitude + 180.0, 360) / 360.0 )
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Protected py.d = tilemax * ( 1.0 - Log(Tan(LatRad) + (1.0/Cos(LatRad))) / #PI ) / 2.0
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;check the x boundaries of the map to adjust the position (coz of the longitude wrapping)
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If dpx - px >= tilemax / 2
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;Debug "c1"
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*Pixel\x = cx + (px - dpx + tilemax)
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ElseIf px - dpx > tilemax / 2
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;Debug "c2"
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*Pixel\x = cx + (px - dpx - tilemax)
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ElseIf px - dpx < 0
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;Debug "c3"
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*Pixel\x = cx - (dpx - px)
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Else
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;Debug "c0"
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*Pixel\x = cx + (px - dpx)
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EndIf
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*Pixel\y = PBMap\Drawing\RadiusY + (py - PBMap\PixelCoordinates\y)
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EndProcedure
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Procedure.d Pixel2Lon(x)
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Protected NewX.d = (PBMap\PixelCoordinates\x - PBMap\Drawing\RadiusX + x) / PBMap\TileSize
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Protected n.d = Pow(2.0, PBMap\Zoom)
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; double mod is to ensure the longitude to be in the range [-180;180[
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ProcedureReturn Mod(Mod(NewX / n * 360.0, 360.0) + 360.0, 360.0) - 180
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EndProcedure
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Procedure.d Pixel2Lat(y)
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Protected NewY.d = (PBMap\PixelCoordinates\y - PBMap\Drawing\RadiusY + y) / PBMap\TileSize
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Protected n.d = Pow(2.0, PBMap\Zoom)
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ProcedureReturn Degree(ATan(SinH(#PI * (1.0 - 2.0 * NewY / n))))
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EndProcedure
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; HaversineAlgorithm
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; http://andrew.hedges.name/experiments/haversine/
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Procedure.d HaversineInKM(*posA.GeographicCoordinates, *posB.GeographicCoordinates)
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Protected eQuatorialEarthRadius.d = 6378.1370;6372.795477598;
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Protected dlong.d = (*posB\Longitude - *posA\Longitude);
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Protected dlat.d = (*posB\Latitude - *posA\Latitude) ;
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Protected alpha.d=dlat/2
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Protected beta.d=dlong/2
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Protected a.d = Sin(Radian(alpha)) * Sin(Radian(alpha)) + Cos(Radian(*posA\Latitude)) * Cos(Radian(*posB\Latitude)) * Sin(Radian(beta)) * Sin(Radian(beta))
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Protected c.d = ASin(Min(1,Sqr(a)));
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Protected distance.d = 2*eQuatorialEarthRadius * c
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ProcedureReturn distance ;
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EndProcedure
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Procedure.d HaversineInM(*posA.GeographicCoordinates, *posB.GeographicCoordinates)
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ProcedureReturn (1000 * HaversineInKM(@*posA,@*posB));
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EndProcedure
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; No more used, see LatLon2PixelRel
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Procedure GetPixelCoordFromLocation(*Location.GeographicCoordinates, *Pixel.PixelCoordinates, Zoom) ; TODO to Optimize
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Protected mapWidth.l = Pow(2, Zoom + 8)
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Protected mapHeight.l = Pow(2, Zoom + 8)
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Protected x1.l,y1.l
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x1 = (*Location\Longitude+180)*(mapWidth/360)
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; convert from degrees To radians
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Protected latRad.d = *Location\Latitude*#PI/180;
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Protected mercN.d = Log(Tan((#PI/4)+(latRad/2)));
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y1 = (mapHeight/2)-(mapWidth*mercN/(2*#PI)) ;
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Protected x2.l, y2.l
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x2 = (PBMap\GeographicCoordinates\Longitude+180)*(mapWidth/360)
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; convert from degrees To radians
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latRad = PBMap\GeographicCoordinates\Latitude*#PI/180;
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mercN = Log(Tan((#PI/4)+(latRad/2)))
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y2 = (mapHeight/2)-(mapWidth*mercN/(2*#PI));
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*Pixel\x=PBMap\Drawing\RadiusX - (x2-x1)
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*Pixel\y=PBMap\Drawing\RadiusY - (y2-y1)
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EndProcedure
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Procedure IsInDrawingPixelBoundaries(*Drawing.DrawingParameters, *Position.GeographicCoordinates)
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Protected Pixel.PixelCoordinates
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LatLon2PixelRel(*Position, @Pixel, PBMap\Zoom)
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If Pixel\x >= 0 And Pixel\y >= 0 And Pixel\x < *Drawing\RadiusX * 2 And Pixel\y < *Drawing\RadiusY * 2
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ProcedureReturn #True
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Else
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ProcedureReturn #False
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EndIf
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EndProcedure
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Procedure IsInDrawingBoundaries(*Drawing.DrawingParameters, *Position.GeographicCoordinates)
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Protected Lat.d = *Position\Latitude, Lon.d = *Position\Longitude
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Protected LatNW.d = *Drawing\Bounds\NorthWest\Latitude, LonNW.d = *Drawing\Bounds\NorthWest\Longitude
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Protected LatSE.d = *Drawing\Bounds\SouthEast\Latitude, LonSE.d = *Drawing\Bounds\SouthEast\Longitude
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If Lat >= LatSE And Lat <= LatNW
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If *Drawing\Width >= 360
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ProcedureReturn #True
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Else
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If LonNW < LonSE
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If Lon >= LonNW And Lon <= LonSE
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ProcedureReturn #True
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Else
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ProcedureReturn #False
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EndIf
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Else
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If (Lon >= -180 And Lon <= LonSE) Or (Lon >= LonNW And Lon <= 180)
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ProcedureReturn #True
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Else
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ProcedureReturn #False
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EndIf
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EndIf
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EndIf
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Else
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ProcedureReturn #False
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EndIf
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EndProcedure
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||||
;TODO : best cleaning of the string from bad behaviour
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Procedure.s StringCheck(String.s)
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ProcedureReturn Trim(RemoveString(RemoveString(RemoveString(RemoveString(RemoveString(RemoveString(RemoveString(RemoveString(RemoveString(RemoveString(String, Chr(0)), Chr(32)), Chr(39)), Chr(33)), Chr(34)), "@"), "/"), "\"), "$"), "%"))
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EndProcedure
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||||
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Macro SelBool(Name)
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Select UCase(Value)
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||||
Case "0", "FALSE", "DISABLE"
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||||
PBMap\Options\Name = #False
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||||
Default
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||||
PBMap\Options\Name = #True
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||||
EndSelect
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||||
EndMacro
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||||
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||||
Procedure.i ColourString2Value(Value.s)
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||||
;TODO : better string check
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Protected Col.s = RemoveString(Value, " ")
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||||
@@ -364,6 +584,17 @@ Module PBMap
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||||
EndIf
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||||
EndProcedure
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||||
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||||
;-*** Options
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||||
|
||||
Macro SelBool(Name)
|
||||
Select UCase(Value)
|
||||
Case "0", "FALSE", "DISABLE"
|
||||
PBMap\Options\Name = #False
|
||||
Default
|
||||
PBMap\Options\Name = #True
|
||||
EndSelect
|
||||
EndMacro
|
||||
|
||||
Procedure SetOption(Option.s, Value.s)
|
||||
Option = StringCheck(Option)
|
||||
Select LCase(Option)
|
||||
@@ -513,6 +744,8 @@ Module PBMap
|
||||
EndWith
|
||||
EndProcedure
|
||||
|
||||
;-*** Layers
|
||||
|
||||
Procedure.i AddMapServerLayer(LayerName.s, Order.i, ServerURL.s = "http://tile.openstreetmap.org/", TileSize = 256, ZoomMin = 0, ZoomMax = 18)
|
||||
Protected *Ptr = AddElement(PBMap\Layers())
|
||||
If *Ptr
|
||||
@@ -533,198 +766,8 @@ Module PBMap
|
||||
SortStructuredList(PBMap\Layers(), #PB_Sort_Ascending, OffsetOf(Layer\Order),TypeOf(Layer\Order))
|
||||
EndProcedure
|
||||
|
||||
Procedure Quit()
|
||||
PBMap\Drawing\End = #True
|
||||
;Wait for loading threads to finish nicely. Passed 2 seconds, kills them.
|
||||
Protected TimeCounter = ElapsedMilliseconds()
|
||||
Repeat
|
||||
ForEach PBMap\MemCache\Images()
|
||||
If PBMap\MemCache\Images()\Tile <> 0
|
||||
If IsThread(PBMap\MemCache\Images()\Tile\GetImageThread)
|
||||
PBMap\MemCache\Images()\Tile\RetryNb = 0
|
||||
If ElapsedMilliseconds() - TimeCounter > 2000
|
||||
;Should not occur
|
||||
KillThread(PBMap\MemCache\Images()\Tile\GetImageThread)
|
||||
EndIf
|
||||
Else
|
||||
FreeMemory(PBMap\MemCache\Images()\Tile)
|
||||
PBMap\MemCache\Images()\Tile = 0
|
||||
EndIf
|
||||
Else
|
||||
DeleteMapElement(PBMap\MemCache\Images())
|
||||
EndIf
|
||||
Next
|
||||
Delay(10)
|
||||
Until MapSize(PBMap\MemCache\Images()) = 0
|
||||
EndProcedure
|
||||
|
||||
Macro Min(a,b)
|
||||
(Bool((a) <= (b)) * (a) + Bool((b) < (a)) * (b))
|
||||
EndMacro
|
||||
|
||||
Macro Max(a,b)
|
||||
(Bool((a) >= (b)) * (a) + Bool((b) > (a)) * (b))
|
||||
EndMacro
|
||||
|
||||
Procedure.d Distance(x1.d, y1.d, x2.d, y2.d)
|
||||
Protected Result.d
|
||||
Result = Sqr( (x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2))
|
||||
ProcedureReturn Result
|
||||
EndProcedure
|
||||
|
||||
;*** Converts coords to tile.decimal
|
||||
;Warning, structures used in parameters are not tested
|
||||
Procedure LatLon2TileXY(*Location.GeographicCoordinates, *Coords.Coordinates, Zoom)
|
||||
Protected n.d = Pow(2.0, Zoom)
|
||||
Protected LatRad.d = Radian(*Location\Latitude)
|
||||
*Coords\x = n * (Mod( *Location\Longitude + 180.0, 360) / 360.0 )
|
||||
*Coords\y = n * ( 1.0 - Log(Tan(LatRad) + (1.0/Cos(LatRad))) / #PI ) / 2.0
|
||||
MyDebug("Latitude : " + StrD(*Location\Latitude) + " ; Longitude : " + StrD(*Location\Longitude), 5)
|
||||
MyDebug("Coords X : " + Str(*Coords\x) + " ; Y : " + Str(*Coords\y), 5)
|
||||
EndProcedure
|
||||
|
||||
;*** Converts tile.decimal to coords
|
||||
;Warning, structures used in parameters are not tested
|
||||
Procedure TileXY2LatLon(*Coords.Coordinates, *Location.GeographicCoordinates, Zoom)
|
||||
Protected n.d = Pow(2.0, Zoom)
|
||||
;Ensures the longitude to be in the range [-180;180[
|
||||
*Location\Longitude = Mod(Mod(*Coords\x / n * 360.0, 360.0) + 360.0, 360.0) - 180
|
||||
*Location\Latitude = Degree(ATan(SinH(#PI * (1.0 - 2.0 * *Coords\y / n))))
|
||||
If *Location\Latitude <= -89
|
||||
*Location\Latitude = -89
|
||||
EndIf
|
||||
If *Location\Latitude >= 89
|
||||
*Location\Latitude = 89
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
Procedure Pixel2LatLon(*Coords.PixelCoordinates, *Location.GeographicCoordinates, Zoom)
|
||||
Protected n.d = PBMap\TileSize * Pow(2.0, Zoom)
|
||||
;Ensures the longitude to be in the range [-180;180[
|
||||
*Location\Longitude = Mod(Mod(*Coords\x / n * 360.0, 360.0) + 360.0, 360.0) - 180
|
||||
*Location\Latitude = Degree(ATan(SinH(#PI * (1.0 - 2.0 * *Coords\y / n))))
|
||||
If *Location\Latitude <= -89
|
||||
*Location\Latitude = -89
|
||||
EndIf
|
||||
If *Location\Latitude >= 89
|
||||
*Location\Latitude = 89
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
;Ensures the longitude to be in the range [-180;180[
|
||||
Procedure.d ClipLongitude(Longitude.d)
|
||||
ProcedureReturn Mod(Mod(Longitude + 180, 360.0) + 360.0, 360.0) - 180
|
||||
EndProcedure
|
||||
|
||||
;Lat Lon coordinates 2 pixel absolute [0 to 2^Zoom * TileSize [
|
||||
Procedure LatLon2Pixel(*Location.GeographicCoordinates, *Pixel.PixelCoordinates, Zoom)
|
||||
Protected tilemax = Pow(2.0, Zoom) * PBMap\TileSize
|
||||
Protected LatRad.d = Radian(*Location\Latitude)
|
||||
*Pixel\x = tilemax * (Mod( *Location\Longitude + 180.0, 360) / 360.0 )
|
||||
*Pixel\y = tilemax * ( 1.0 - Log(Tan(LatRad) + (1.0/Cos(LatRad))) / #PI ) / 2.0
|
||||
EndProcedure
|
||||
|
||||
;Lat Lon coordinates 2 pixel relative to the center of view
|
||||
Procedure LatLon2PixelRel(*Location.GeographicCoordinates, *Pixel.PixelCoordinates, Zoom)
|
||||
Protected tilemax = Pow(2.0, Zoom) * PBMap\TileSize
|
||||
Protected cx.d = PBMap\Drawing\RadiusX
|
||||
Protected dpx.d = PBMap\PixelCoordinates\x
|
||||
Protected LatRad.d = Radian(*Location\Latitude)
|
||||
Protected px.d = tilemax * (Mod( *Location\Longitude + 180.0, 360) / 360.0 )
|
||||
Protected py.d = tilemax * ( 1.0 - Log(Tan(LatRad) + (1.0/Cos(LatRad))) / #PI ) / 2.0
|
||||
;check the x boundaries of the map to adjust the position (coz of the longitude wrapping)
|
||||
If dpx - px >= tilemax / 2
|
||||
;Debug "c1"
|
||||
*Pixel\x = cx + (px - dpx + tilemax)
|
||||
ElseIf px - dpx > tilemax / 2
|
||||
;Debug "c2"
|
||||
*Pixel\x = cx + (px - dpx - tilemax)
|
||||
ElseIf px - dpx < 0
|
||||
;Debug "c3"
|
||||
*Pixel\x = cx - (dpx - px)
|
||||
Else
|
||||
;Debug "c0"
|
||||
*Pixel\x = cx + (px - dpx)
|
||||
EndIf
|
||||
*Pixel\y = PBMap\Drawing\RadiusY + (py - PBMap\PixelCoordinates\y)
|
||||
EndProcedure
|
||||
|
||||
; HaversineAlgorithm
|
||||
; http://andrew.hedges.name/experiments/haversine/
|
||||
Procedure.d HaversineInKM(*posA.GeographicCoordinates, *posB.GeographicCoordinates)
|
||||
Protected eQuatorialEarthRadius.d = 6378.1370;6372.795477598;
|
||||
Protected dlong.d = (*posB\Longitude - *posA\Longitude);
|
||||
Protected dlat.d = (*posB\Latitude - *posA\Latitude) ;
|
||||
Protected alpha.d=dlat/2
|
||||
Protected beta.d=dlong/2
|
||||
Protected a.d = Sin(Radian(alpha)) * Sin(Radian(alpha)) + Cos(Radian(*posA\Latitude)) * Cos(Radian(*posB\Latitude)) * Sin(Radian(beta)) * Sin(Radian(beta))
|
||||
Protected c.d = ASin(Min(1,Sqr(a)));
|
||||
Protected distance.d = 2*eQuatorialEarthRadius * c
|
||||
ProcedureReturn distance ;
|
||||
EndProcedure
|
||||
|
||||
Procedure.d HaversineInM(*posA.GeographicCoordinates, *posB.GeographicCoordinates)
|
||||
ProcedureReturn (1000 * HaversineInKM(@*posA,@*posB));
|
||||
EndProcedure
|
||||
|
||||
; No more used, see LatLon2PixelRel
|
||||
Procedure GetPixelCoordFromLocation(*Location.GeographicCoordinates, *Pixel.PixelCoordinates, Zoom) ; TODO to Optimize
|
||||
Protected mapWidth.l = Pow(2, Zoom + 8)
|
||||
Protected mapHeight.l = Pow(2, Zoom + 8)
|
||||
Protected x1.l,y1.l
|
||||
x1 = (*Location\Longitude+180)*(mapWidth/360)
|
||||
; convert from degrees To radians
|
||||
Protected latRad.d = *Location\Latitude*#PI/180;
|
||||
Protected mercN.d = Log(Tan((#PI/4)+(latRad/2)));
|
||||
y1 = (mapHeight/2)-(mapWidth*mercN/(2*#PI)) ;
|
||||
Protected x2.l, y2.l
|
||||
x2 = (PBMap\GeographicCoordinates\Longitude+180)*(mapWidth/360)
|
||||
; convert from degrees To radians
|
||||
latRad = PBMap\GeographicCoordinates\Latitude*#PI/180;
|
||||
mercN = Log(Tan((#PI/4)+(latRad/2)))
|
||||
y2 = (mapHeight/2)-(mapWidth*mercN/(2*#PI));
|
||||
*Pixel\x=PBMap\Drawing\RadiusX - (x2-x1)
|
||||
*Pixel\y=PBMap\Drawing\RadiusY - (y2-y1)
|
||||
EndProcedure
|
||||
|
||||
Procedure IsInDrawingPixelBoundaries(*Drawing.DrawingParameters, *Position.GeographicCoordinates)
|
||||
Protected Pixel.PixelCoordinates
|
||||
LatLon2PixelRel(*Position, @Pixel, PBMap\Zoom)
|
||||
If Pixel\x >= 0 And Pixel\y >= 0 And Pixel\x < *Drawing\RadiusX * 2 And Pixel\y < *Drawing\RadiusY * 2
|
||||
ProcedureReturn #True
|
||||
Else
|
||||
ProcedureReturn #False
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
Procedure IsInDrawingBoundaries(*Drawing.DrawingParameters, *Position.GeographicCoordinates)
|
||||
Protected Lat.d = *Position\Latitude, Lon.d = *Position\Longitude
|
||||
Protected LatNW.d = *Drawing\Bounds\NorthWest\Latitude, LonNW.d = *Drawing\Bounds\NorthWest\Longitude
|
||||
Protected LatSE.d = *Drawing\Bounds\SouthEast\Latitude, LonSE.d = *Drawing\Bounds\SouthEast\Longitude
|
||||
If Lat >= LatSE And Lat <= LatNW
|
||||
If *Drawing\Width >= 360
|
||||
ProcedureReturn #True
|
||||
Else
|
||||
If LonNW < LonSE
|
||||
If Lon >= LonNW And Lon <= LonSE
|
||||
ProcedureReturn #True
|
||||
Else
|
||||
ProcedureReturn #False
|
||||
EndIf
|
||||
Else
|
||||
If (Lon >= -180 And Lon <= LonSE) Or (Lon >= LonNW And Lon <= 180)
|
||||
ProcedureReturn #True
|
||||
Else
|
||||
ProcedureReturn #False
|
||||
EndIf
|
||||
EndIf
|
||||
EndIf
|
||||
Else
|
||||
ProcedureReturn #False
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
;-*** These are threaded
|
||||
|
||||
Procedure.i GetTileFromHDD(CacheFile.s)
|
||||
Protected nImage.i
|
||||
If FileSize(CacheFile) > 0
|
||||
@@ -803,10 +846,10 @@ Module PBMap
|
||||
Protected img.i = -1
|
||||
Protected *timg.ImgMemCach = FindMapElement(PBMap\MemCache\Images(), key)
|
||||
If *timg
|
||||
MyDebug("Key : " + key + " found in memory cache!", 3)
|
||||
MyDebug("Key : " + key + " found in memory cache", 3)
|
||||
img = *timg\nImage
|
||||
If img <> -1
|
||||
MyDebug("Image : " + img + " found in memory cache!", 3)
|
||||
MyDebug("Image : " + img + " found in memory cache", 3)
|
||||
;*** Cache management
|
||||
; Move the newly used element to the last position of the time stack
|
||||
SelectElement(PBMap\MemCache\ImagesTimeStack(), *timg\TimeStackPosition)
|
||||
@@ -840,7 +883,7 @@ Module PBMap
|
||||
;MoveElement(PBMap\MemCache\ImagesTimeStack(), #PB_List_Last)
|
||||
PBMap\MemCache\ImagesTimeStack()\MapKey = MapKey(PBMap\MemCache\Images())
|
||||
;***
|
||||
MyDebug("Key : " + key + " added in memory cache!", 3)
|
||||
MyDebug("Key : " + key + " added in memory cache", 3)
|
||||
*timg = PBMap\MemCache\Images()
|
||||
*timg\nImage = -1
|
||||
EndIf
|
||||
@@ -1063,6 +1106,8 @@ Module PBMap
|
||||
StrokePath(1)
|
||||
EndProcedure
|
||||
|
||||
;-*** Tracks
|
||||
|
||||
Procedure DrawTrackPointer(x.d, y.d, dist.l)
|
||||
Protected color.l
|
||||
color=RGBA(0, 0, 0, 255)
|
||||
@@ -1237,11 +1282,12 @@ Module PBMap
|
||||
Wend
|
||||
EndIf
|
||||
Next
|
||||
ZoomToTracks(LastElement(PBMap\TracksList())) ; <-To center the view, and zoom on the tracks
|
||||
SetZoomToTracks(LastElement(PBMap\TracksList())) ; <-To center the view, and zoom on the tracks
|
||||
ProcedureReturn *NewTrack
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
;-*** Markers
|
||||
|
||||
Procedure ClearMarkers()
|
||||
ClearList(PBMap\Markers())
|
||||
@@ -1279,7 +1325,6 @@ Module PBMap
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
;-*** Marker Edit
|
||||
Procedure MarkerIdentifierChange()
|
||||
Protected *Marker.Marker = GetGadgetData(EventGadget())
|
||||
If GetGadgetText(EventGadget()) <> *Marker\Identifier
|
||||
@@ -1316,7 +1361,6 @@ Module PBMap
|
||||
SetActiveWindow(*Marker\EditWindow)
|
||||
EndIf
|
||||
EndProcedure
|
||||
;-***
|
||||
|
||||
Procedure DrawMarker(x.i, y.i, Nb.i, *Marker.Marker)
|
||||
Protected Text.s
|
||||
@@ -1388,6 +1432,8 @@ Module PBMap
|
||||
Next
|
||||
EndProcedure
|
||||
|
||||
;-*** Main drawing stuff
|
||||
|
||||
Procedure DrawDebugInfos(*Drawing.DrawingParameters)
|
||||
; Display how many images in cache
|
||||
VectorFont(FontID(PBMap\Font), 16)
|
||||
@@ -1420,7 +1466,6 @@ Module PBMap
|
||||
DrawVectorText(Text)
|
||||
EndProcedure
|
||||
|
||||
;-*** Main drawing
|
||||
Procedure Drawing()
|
||||
Protected *Drawing.DrawingParameters = @PBMap\Drawing
|
||||
Protected PixelCenter.PixelCoordinates
|
||||
@@ -1489,27 +1534,16 @@ Module PBMap
|
||||
;Drawing()
|
||||
EndProcedure
|
||||
|
||||
Procedure.d Pixel2Lon(x)
|
||||
Protected NewX.d = (PBMap\PixelCoordinates\x - PBMap\Drawing\RadiusX + x) / PBMap\TileSize
|
||||
Protected n.d = Pow(2.0, PBMap\Zoom)
|
||||
; double mod is to ensure the longitude to be in the range [-180;180[
|
||||
ProcedureReturn Mod(Mod(NewX / n * 360.0, 360.0) + 360.0, 360.0) - 180
|
||||
EndProcedure
|
||||
;-*** Misc functions
|
||||
|
||||
Procedure.d Pixel2Lat(y)
|
||||
Protected NewY.d = (PBMap\PixelCoordinates\y - PBMap\Drawing\RadiusY + y) / PBMap\TileSize
|
||||
Protected n.d = Pow(2.0, PBMap\Zoom)
|
||||
ProcedureReturn Degree(ATan(SinH(#PI * (1.0 - 2.0 * NewY / n))))
|
||||
EndProcedure
|
||||
|
||||
Procedure.d MouseLongitude()
|
||||
Procedure.d GetMouseLongitude()
|
||||
Protected MouseX.d = (PBMap\PixelCoordinates\x - PBMap\Drawing\RadiusX + GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseX)) / PBMap\TileSize
|
||||
Protected n.d = Pow(2.0, PBMap\Zoom)
|
||||
; double mod is to ensure the longitude to be in the range [-180;180[
|
||||
ProcedureReturn Mod(Mod(MouseX / n * 360.0, 360.0) + 360.0, 360.0) - 180
|
||||
EndProcedure
|
||||
|
||||
Procedure.d MouseLatitude()
|
||||
Procedure.d GetMouseLatitude()
|
||||
Protected MouseY.d = (PBMap\PixelCoordinates\y - PBMap\Drawing\RadiusY + GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseY)) / PBMap\TileSize
|
||||
Protected n.d = Pow(2.0, PBMap\Zoom)
|
||||
ProcedureReturn Degree(ATan(SinH(#PI * (1.0 - 2.0 * MouseY / n))))
|
||||
@@ -1549,7 +1583,7 @@ Module PBMap
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
Procedure ZoomToArea(MinY.d, MaxY.d, MinX.d, MaxX.d)
|
||||
Procedure SetZoomToArea(MinY.d, MaxY.d, MinX.d, MaxX.d)
|
||||
;Source => http://gis.stackexchange.com/questions/19632/how-to-calculate-the-optimal-zoom-level-to-display-two-or-more-points-on-a-map
|
||||
;bounding box in long/lat coords (x=long, y=lat)
|
||||
Protected DeltaX.d = MaxX - MinX ;assumption ! In original code DeltaX have no source
|
||||
@@ -1576,7 +1610,7 @@ Module PBMap
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
Procedure ZoomToTracks(*Tracks.Tracks)
|
||||
Procedure SetZoomToTracks(*Tracks.Tracks)
|
||||
Protected MinY.d, MaxY.d, MinX.d, MaxX.d
|
||||
If ListSize(*Tracks\Track()) > 0
|
||||
With *Tracks\Track()
|
||||
@@ -1596,7 +1630,7 @@ Module PBMap
|
||||
MaxY = \Latitude
|
||||
EndIf
|
||||
Next
|
||||
ZoomToArea(MinY.d, MaxY.d, MinX.d, MaxX.d)
|
||||
SetZoomToArea(MinY.d, MaxY.d, MinX.d, MaxX.d)
|
||||
EndWith
|
||||
EndIf
|
||||
EndProcedure
|
||||
@@ -1659,7 +1693,7 @@ Module PBMap
|
||||
EndProcedure
|
||||
|
||||
;Zoom on x, y pixel position from the center
|
||||
Procedure ZoomOnPixel(x, y, zoom)
|
||||
Procedure SetZoomOnPixel(x, y, zoom)
|
||||
;*** First : Zoom
|
||||
PBMap\Zoom + zoom
|
||||
If PBMap\Zoom > PBMap\ZoomMax : PBMap\Zoom = PBMap\ZoomMax : ProcedureReturn : EndIf
|
||||
@@ -1682,8 +1716,8 @@ Module PBMap
|
||||
EndProcedure
|
||||
|
||||
;Zoom on x, y position relative to the canvas gadget
|
||||
Procedure ZoomOnPixelRel(x, y, zoom)
|
||||
ZoomOnPixel(x - PBMap\Drawing\RadiusX, y - PBMap\Drawing\RadiusY, zoom)
|
||||
Procedure SetZoomOnPixelRel(x, y, zoom)
|
||||
SetZoomOnPixel(x - PBMap\Drawing\RadiusX, y - PBMap\Drawing\RadiusY, zoom)
|
||||
EndProcedure
|
||||
|
||||
;Go to x, y position relative to the canvas gadget left up
|
||||
@@ -1760,57 +1794,13 @@ Module PBMap
|
||||
*ReturnPosition\Latitude = ValD(lat)
|
||||
*ReturnPosition\Longitude = ValD(lon)
|
||||
EndIf
|
||||
If lat<> "" And lon <> ""
|
||||
ZoomToArea(bbox\SouthEast\Latitude, bbox\NorthWest\Latitude, bbox\NorthWest\Longitude, bbox\SouthEast\Longitude)
|
||||
If lat <> "" And lon <> ""
|
||||
SetZoomToArea(bbox\SouthEast\Latitude, bbox\NorthWest\Latitude, bbox\NorthWest\Longitude, bbox\SouthEast\Longitude)
|
||||
;SetLocation(Position\Latitude, Position\Longitude)
|
||||
EndIf
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
;(c) ts-soft http://www.purebasic.fr/english/viewtopic.php?f=12&t=58657&hilit=createdirectory&view=unread#unread
|
||||
CompilerSelect #PB_Compiler_OS
|
||||
CompilerCase #PB_OS_Windows
|
||||
#FILE_ATTRIBUTE_DEVICE = 64 ;(0x40)
|
||||
#FILE_ATTRIBUTE_INTEGRITY_STREAM = 32768 ;(0x8000)
|
||||
#FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 8192;(0x2000)
|
||||
#FILE_ATTRIBUTE_NO_SCRUB_DATA = 131072;(0x20000)
|
||||
#FILE_ATTRIBUTE_VIRTUAL = 65536;(0x10000)
|
||||
#FILE_ATTRIBUTE_DONTSETFLAGS = ~(#FILE_ATTRIBUTE_DIRECTORY|
|
||||
#FILE_ATTRIBUTE_SPARSE_FILE|
|
||||
#FILE_ATTRIBUTE_OFFLINE|
|
||||
#FILE_ATTRIBUTE_NOT_CONTENT_INDEXED|
|
||||
#FILE_ATTRIBUTE_VIRTUAL|
|
||||
0)
|
||||
Macro SetFileAttributesEx(Name, Attribs)
|
||||
SetFileAttributes(Name, Attribs & #FILE_ATTRIBUTE_DONTSETFLAGS)
|
||||
EndMacro
|
||||
CompilerDefault
|
||||
Macro SetFileAttributesEx(Name, Attribs)
|
||||
SetFileAttributes(Name, Attribs)
|
||||
EndMacro
|
||||
CompilerEndSelect
|
||||
|
||||
Procedure CreateDirectoryEx(DirectoryName.s, FileAttribute = #PB_Default)
|
||||
Protected i, c, tmp.s
|
||||
If Right(DirectoryName, 1) = slash
|
||||
DirectoryName = Left(DirectoryName, Len(DirectoryName) -1)
|
||||
EndIf
|
||||
c = CountString(DirectoryName, slash) + 1
|
||||
For i = 1 To c
|
||||
tmp + StringField(DirectoryName, i, slash)
|
||||
If FileSize(tmp) <> -2
|
||||
CreateDirectory(tmp)
|
||||
EndIf
|
||||
tmp + slash
|
||||
Next
|
||||
If FileAttribute <> #PB_Default
|
||||
SetFileAttributesEx(DirectoryName, FileAttribute)
|
||||
EndIf
|
||||
If FileSize(DirectoryName) = -2
|
||||
ProcedureReturn #True
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
Procedure.i ClearDiskCache()
|
||||
If PBMap\Options\Warning
|
||||
Protected Result.i = MessageRequester("Warning", "You will clear all cache content in " + PBMap\Options\HDDCachePath + ". Are you sure ?",#PB_MessageRequester_YesNo)
|
||||
@@ -1828,6 +1818,8 @@ Module PBMap
|
||||
EndIf
|
||||
EndProcedure
|
||||
|
||||
;-*** Main PBMap functions
|
||||
|
||||
Procedure CanvasEvents()
|
||||
Protected CanvasMouseX.d, CanvasMouseY.d, MouseX.d, MouseY.d
|
||||
Protected MarkerCoords.PixelCoordinates, *Tile.Tile, MapWidth = Pow(2, PBMap\Zoom) * PBMap\TileSize
|
||||
@@ -1918,7 +1910,7 @@ Module PBMap
|
||||
Case #PB_EventType_MouseWheel
|
||||
If PBMap\Options\WheelMouseRelative
|
||||
;Relative zoom (centered on the mouse)
|
||||
ZoomOnPixel(CanvasMouseX, CanvasMouseY, GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_WheelDelta))
|
||||
SetZoomOnPixel(CanvasMouseX, CanvasMouseY, GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_WheelDelta))
|
||||
Else
|
||||
;Absolute zoom (centered on the center of the map)
|
||||
SetZoom(GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_WheelDelta), #PB_Relative)
|
||||
@@ -2088,6 +2080,31 @@ Module PBMap
|
||||
BindMapGadget(PBMap\Gadget)
|
||||
EndProcedure
|
||||
|
||||
Procedure Quit()
|
||||
PBMap\Drawing\End = #True
|
||||
;Wait for loading threads to finish nicely. Passed 2 seconds, kills them.
|
||||
Protected TimeCounter = ElapsedMilliseconds()
|
||||
Repeat
|
||||
ForEach PBMap\MemCache\Images()
|
||||
If PBMap\MemCache\Images()\Tile <> 0
|
||||
If IsThread(PBMap\MemCache\Images()\Tile\GetImageThread)
|
||||
PBMap\MemCache\Images()\Tile\RetryNb = 0
|
||||
If ElapsedMilliseconds() - TimeCounter > 2000
|
||||
;Should not occur
|
||||
KillThread(PBMap\MemCache\Images()\Tile\GetImageThread)
|
||||
EndIf
|
||||
Else
|
||||
FreeMemory(PBMap\MemCache\Images()\Tile)
|
||||
PBMap\MemCache\Images()\Tile = 0
|
||||
EndIf
|
||||
Else
|
||||
DeleteMapElement(PBMap\MemCache\Images())
|
||||
EndIf
|
||||
Next
|
||||
Delay(10)
|
||||
Until MapSize(PBMap\MemCache\Images()) = 0
|
||||
EndProcedure
|
||||
|
||||
Procedure InitPBMap(Window)
|
||||
Protected Result.i
|
||||
PBMap\ZoomMin = 0
|
||||
@@ -2379,8 +2396,8 @@ CompilerEndIf
|
||||
|
||||
|
||||
; IDE Options = PureBasic 5.60 beta 7 (Windows - x64)
|
||||
; CursorPosition = 2250
|
||||
; FirstLine = 2260
|
||||
; CursorPosition = 267
|
||||
; FirstLine = 1960
|
||||
; Folding = -----------------
|
||||
; EnableThread
|
||||
; EnableXP
|
||||
|
||||
Reference in New Issue
Block a user