All Identifiers

Calculates distance between two geo points in meters

Check if a network engine is capable of handling all the request properties.

Default Width (Horizontal dimension) and Height (Vertical dimension) of cache image in number of tiles.

Default margin that is added to cache image to hold view area, in number of tiles

Default style of mapmark caption.

Default pattern of tile file path.

Capabilities of RTL engine.

Capabilities of WinInet engine

Ensures rect Rc is inside a map at zoom level Zoom, corrects values if necessary

Default overall limit is 10k per process, choose reasonable number below this limit

Number of GDI handles per TPngImage

Converts geo rect in degrees to map rect in pixels

Overload when addresses to bypass proxy are not of interest

Checks if rect Rc is inside a map at zoom level Zoom

Converts geo coord in degrees to map coord in pixels

Constant containing no layers

Converts map coord in pixels to geo coord in degrees

Returns height of map at zoom level Zoom in pixels

Converts map rect in pixels to geo rect in degrees

Maximal possible latitude for used Web Mercator projection (inclusive)

Minimal possible latitude for used Web Mercator projection (inclusive)

Procedure executing a network request.

Procedure executing a network request.

Construct TRect from two TPoint-s

Timeout for connect and request

Internal constant to designate OS-wide proxy

2GIS tile image provider

Limits of tile cache in memory

Dummy tile provider class, used as a stub in map control if no real provider is assigned.

Region on a map defined by two pairs of longitude and latitude.

Generic type of method to call when request is completed
! Called from the context of a background thread !

Generic properties of request.

See https://wiki.openstreetmap.org/wiki/Zoom_levels

Level   Degree  Area            m / pixel       ~Scale          # Tiles
0       360     whole world     156,412         1:500 million   1
1       180                     78,206          1:250 million   4
2       90                      39,103          1:150 million   16
3       45                      19,551          1:70 million    64
4       22.5                    9,776           1:35 million    256
5       11.25                   4,888           1:15 million    1,024
6       5.625                   2,444           1:10 million    4,096
7       2.813                   1,222           1:4 million     16,384
8       1.406                   610.984         1:2 million     65,536
9       0.703   wide area       305.492         1:1 million     262,144
10      0.352                   152.746         1:500,000       1,048,576
11      0.176   area            76.373          1:250,000       4,194,304
12      0.088                   38.187          1:150,000       16,777,216
13      0.044   village/town    19.093          1:70,000        67,108,864
14      0.022                   9.547           1:35,000        268,435,456
15      0.011                   4.773           1:15,000        1,073,741,824
16      0.005   small road      2.387           1:8,000         4,294,967,296
17      0.003                   1.193           1:4,000         17,179,869,184
18      0.001                   0.596           1:2,000         68,719,476,736
19      0.0005                  0.298           1:1,000         274,877,906,944
20      0.00025 mid-sized bldng 0.149           1:5,00          1,099,511,627,776

Global list of registered tiles providers.

Checks Tile fields for validity

Height of map tile in pixels

Options for drawing track lines

Number of a layer.

Class representing a single mapmark.

Flags to indicate which properties must be taken from MapMark object when drawing.

Options for TMapMarkList.Find.

Shape of mapmark glyph

List of mapmarks.

Options of map control

Map zoom.

Queuer of network requests.

Convert absolute map rect to a rect inside a viewport having given top-left point

Callback to custom draw a mapmark or just a glyph with center point Point.

Callback to get an image of a single tile having number (TileHorzNum;TileVertNum).

Callback to react on mouse button press/release

Convert a point inside a viewport having given top-left point to absolute map coords

Opacity level, from 0 (transparent) to $FF (non-transparent)

OpenStreetMap tile image provider

Ceil vertical map coord to tile size

Ceil horizontal map coord to tile size

Value and description of one option of a required property that is used to generate tile URL

Value and description of a required property that is used to generate tile URL.

Properties of a map tile

Specific feature of a tile provider

Abstract base class for tile image provider.

Tiles provider that implements storing of properties

Flags for TTileStorage

Track data