tiles

package

v2.0.0+incompatible Latest Latest Go to latest Published: Sep 15, 2018 License: MIT Imports: 12 Imported by: 3

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Repository

github.com/Luqqk/wms-tiles-downloader

Documentation ¶

Index ¶

func FormatTileBbox(tileID mercantile.TileID) string
func Save(tile *Tile) error
type Bbox
- func (bbox *Bbox) Set(value string) error
- func (bbox *Bbox) String() string
type JobStats
- func (jobs *JobStats) ShowCurrentState()
- func (jobs *JobStats) ShowSummary()
type Options
- func (options *Options) ParseBaseURL() error
- func (options *Options) ValidateOptions() error
type Tile
- func Get(tileID mercantile.TileID, options Options) (*Tile, error)
type Zooms
- func (zooms *Zooms) Set(value string) error
- func (zooms *Zooms) String() string

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func FormatTileBbox ¶

func FormatTileBbox(tileID mercantile.TileID) string

FormatTileBbox converts tile (x, y, z) to bbox string (l,b,r,t)

func Save ¶

func Save(tile *Tile) error

Save saves the tile passed in argument on hard drive.

Types ¶

type Bbox ¶

type Bbox struct {
	Left   float64
	Bottom float64
	Right  float64
	Top    float64
}

Bbox stores a web mercator bounding box, for which tiles should be downloaded.

func (*Bbox) Set ¶

func (bbox *Bbox) Set(value string) error

Set is the method to set the flag value, part of the flag.Value interface. Converts comma-separated values (string in "left,bottom,right,top" format) to Bbox struct.

func (*Bbox) String ¶

func (bbox *Bbox) String() string

String is the method to format the flag's value, part of the flag.Value interface. The String method's output will be used in diagnostics.

type JobStats ¶

type JobStats struct {
	Start     time.Time
	All       int
	Succeeded int
	Failed    int
}

JobStats stores number of jobs, that will be executed, jobs which have been resolved successfully or failed and Start timestamp.

func (*JobStats) ShowCurrentState ¶

func (jobs *JobStats) ShowCurrentState()

ShowCurrentState prints current state of jobs.

func (*JobStats) ShowSummary ¶

func (jobs *JobStats) ShowSummary()

ShowSummary prints summary along with execution time after all jobs have been processed.

type Options ¶

type Options struct {
	URL         string
	Layer       string
	Format      string
	Service     string
	Version     string
	Width       string
	Height      string
	Styles      string
	Zooms       Zooms
	Bbox        Bbox
	Concurrency int
	Help        bool
	// If all options are correct,
	// build base URL for all tiles
	// requests.
	BaseURL string
}

Options struct stores all available flags and their values set by user.

func (*Options) ParseBaseURL ¶

func (options *Options) ParseBaseURL() error

ParseBaseURL builds base URL for all tiles requests based on passed arguments.

func (*Options) ValidateOptions ¶

func (options *Options) ValidateOptions() error

ValidateOptions validates options supplied by user. Downloading will start only, if all required options have been passed in correct format.

type Tile ¶

type Tile struct {
	Content []byte
	Path    string
	Name    string
}

Tile contains content received from WMS server and other metadata about tile itself. For example tile's path in z/x tree, name under which the tile will be saved (y.png).

func Get ¶

func Get(tileID mercantile.TileID, options Options) (*Tile, error)

Get sends http.Get request to WMS Server and returns response content.

type Zooms ¶

type Zooms []int

Zooms stores zoom levels, for which tiles should be downloaded.

func (*Zooms) Set ¶

func (zooms *Zooms) Set(value string) error

Set is the method to set the flag value, part of the flag.Value interface. Converts comma-separated values (string in "int,int,int,(...)" format) to Zooms type.

func (*Zooms) String ¶

func (zooms *Zooms) String() string

String is the method to format the flag's value, part of the flag.Value interface. The String method's output will be used in diagnostics.

Source Files ¶

View all Source files

utils.go

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