Class: SimpleMappr

Inherits:
Object
  • Object
show all
Defined in:
lib/simple-mappr.rb,
lib/simple-mappr/version.rb,
lib/simple-mappr/constants.rb,
lib/simple-mappr/validator.rb,
lib/simple-mappr/exceptions.rb,
lib/simple-mappr/transporter.rb

Defined Under Namespace

Classes: InvalidParameterValue, Transporter, Validator

Constant Summary collapse

VERSION = 
"0.1.2"
API_URL = 
"http://www.simplemappr.net/api/"
PROJECTIONS = 
[
  'epsg:4326',
  'esri:102009',
  'esri:102015',
  'esri:102014',
  'esri:102012',
  'esri:102024',
  'epsg:3112',
  'epsg:102017',
  'epsg:102019',
  'epsg:54030'
]
SHAPES = 
[
  'plus',
  'cross',
  'asterisk',
  'circle',
  'square',
  'triangle',
  'inversetriangle',
  'star',
  'hexagon',
  'opencircle',
  'opensquare',
  'opentriangle',
  'inverseopentriangle',
  'openstar',
  'openhexagon'
]
LAYERS = 
[
  'countries',
  'countrynames',
  'relief',
  'reliefalt',
  'reliefgrey',
  'stateprovinces',
  'stateprovnames',
  'lakes',
  'lakesOutline',
  'lakenames',
  'rivers',
  'rivernames',
  'oceans',
  'marineLabels',
  'placenames',
  'physicalLabels',
  'ecoregions',
  'ecoregionLabels',
  'conservation',
  'hotspotLabels',
  'blueMarble'
]
OUTPUTS = 
['svg', 'png', 'jpg']

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SimpleMappr

Returns a new instance of SimpleMappr.



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# File 'lib/simple-mappr.rb', line 9

def initialize
  @parameters = {}
end

Class Method Details

.api_url ⇒ Object 



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# File 'lib/simple-mappr/constants.rb', line 62

def self.api_url
  API_URL
end

.layers ⇒ Object 



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# File 'lib/simple-mappr/constants.rb', line 74

def self.layers
  LAYERS
end

.outputs ⇒ Object 



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# File 'lib/simple-mappr/constants.rb', line 78

def self.outputs
  OUTPUTS
end

.projections ⇒ Object 



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# File 'lib/simple-mappr/constants.rb', line 70

def self.projections
  PROJECTIONS
end

.shapes ⇒ Object 



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# File 'lib/simple-mappr/constants.rb', line 66

def self.shapes
  SHAPES
end

.version ⇒ Object 



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# File 'lib/simple-mappr/version.rb', line 4

def self.version
  VERSION
end

Instance Method Details

#alive? ⇒ Boolean

Check if the RESTful API is alive and well

Returns:

  • (Boolean) 


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# File 'lib/simple-mappr.rb', line 23

def alive?
  response = Transporter.ping
  response[:status] == "ok"
end

#bbox ⇒ Object 



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# File 'lib/simple-mappr.rb', line 80

def bbox
  @parameters[:bbox] || nil
end

#bbox=(bbox) ⇒ Object

Set a bounding box in decimal degrees as minx,miny,maxx,maxy

Example

instance.bbox = "-120,45,-100,52"



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# File 'lib/simple-mappr.rb', line 75

def bbox=(bbox)
  Validator.validate_bbox(bbox)
  @parameters[:bbox] = bbox
end

#color ⇒ Object 



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# File 'lib/simple-mappr.rb', line 96

def color
  @parameters[:color] || nil
end

#color=(color) ⇒ Object

Set the colors in rgb corresponding to the points

Example

instance.color = ["255,0,0","0,255,0"]



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# File 'lib/simple-mappr.rb', line 91

def color=(color)
  Validator.validate_colors(color)
  @parameters[:color] = color
end

#create ⇒ Object

Send the SimpleMappr object to the RESTful API and receive a Hash in return containing a URL to the image and its expected expiry

Example Output

{
  imageURL: "http://img.simplemappr.net/579273e6_1dd1_2.png",
  expiry: "2016-07-22T21:28:38-04:00",
  bad_points: [],
  bad_drawings: []
}



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# File 'lib/simple-mappr.rb', line 42

def create
  Transporter.send_data @parameters
end

#download(file_title = nil) ⇒ Object

Send the SimpleMappr object to the RESTful API and a file title without extension and download the resulting image Returns the file path for the downloaded file

Example

instance.download("/tmp/my_map")

Returns

/tmp/my_map.png



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# File 'lib/simple-mappr.rb', line 57

def download(file_title = nil)
  if !file_title
    raise InvalidParameterValue, "File path is required"
  end
  file = [file_title,output].join(".")
  File.open(file, 'wb') do |fo|
    fo.write(Transporter.send_data(@parameters, true))
  end
  file
end

#file_path ⇒ Object 



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# File 'lib/simple-mappr.rb', line 112

def file_path
  @parameters[:file].path rescue nil
end

#file_path=(file_path) ⇒ Object

Set a file path for a csv or tab-separated text file

Example

instance.file_path = "/Users/SimpleMappr/demo.txt"



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# File 'lib/simple-mappr.rb', line 107

def file_path=(file_path)
  Validator.validate_type(file_path, 'File')
  @parameters[:file] = File.new(file_path, "r")
end

#graticules ⇒ Object 



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# File 'lib/simple-mappr.rb', line 128

def graticules
  @parameters[:graticules] || nil
end

#graticules=(graticules) ⇒ Object

Turn on or off the graticules (grid)

Example

instance.graticules = true



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# File 'lib/simple-mappr.rb', line 123

def graticules=(graticules)
  Validator.validate_type(graticules, 'Boolean')
  @parameters[:graticules] = graticules
end

#height ⇒ Object 



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# File 'lib/simple-mappr.rb', line 145

def height
  @parameters[:height] || nil
end

#height=(height) ⇒ Object

Specify the height of the image in pixels Maximum value is 4500

Example

instance.height = 1_000



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# File 'lib/simple-mappr.rb', line 140

def height=(height)
  Validator.validate_dimension(height)
  @parameters[:height] = height
end

#layers ⇒ Object 



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# File 'lib/simple-mappr.rb', line 163

def layers
  @parameters[:layers] || nil
end

#layers=(layers) ⇒ Object

Specify the layers to include in the image Expressed as a comma-separated String without spaces See SimpleMappr.layers

Example

instance.layers = 'oceans,lakes,rivers'



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# File 'lib/simple-mappr.rb', line 158

def layers=(layers)
  Validator.validate_layers(layers)
  @parameters[:layers] = layers
end

#legend ⇒ Object 



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# File 'lib/simple-mappr.rb', line 180

def legend
  @parameters[:legend] || nil
end

#legend=(legend) ⇒ Object

Specify the legend title(s) Expressed as an array of Strings corresponding to the points

Example

instance.legend = ['My First Legend','My Second Legend']



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# File 'lib/simple-mappr.rb', line 175

def legend=(legend)
  Validator.validate_type(legend, 'Array')
  @parameters[:legend] = legend
end

#origin ⇒ Object 



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# File 'lib/simple-mappr.rb', line 196

def origin
  @parameters[:origin] || nil
end

#origin=(origin) ⇒ Object

Specify the origin of natural longitude

Example

instance.origin = -100



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# File 'lib/simple-mappr.rb', line 191

def origin=(origin)
  Validator.validate_origin(origin)
  @parameters[:origin] = origin
end

#outlinecolor ⇒ Object 



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# File 'lib/simple-mappr.rb', line 212

def outlinecolor
  @parameters[:outlinecolor] || nil
end

#outlinecolor=(outlinecolor) ⇒ Object

Specify the color in rgb for the outline around all points

Example

instance.outlinecolor = "10,10,10"



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# File 'lib/simple-mappr.rb', line 207

def outlinecolor=(outlinecolor)
  Validator.validate_color(outlinecolor)
  @parameters[:outlinecolor] = outlinecolor
end

#output ⇒ Object 



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# File 'lib/simple-mappr.rb', line 229

def output
  @parameters[:output] || "png"
end

#output=(output) ⇒ Object

Specify the output file format Options are svg, png, or jpg

Example

instance.output = "png"



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# File 'lib/simple-mappr.rb', line 224

def output=(output)
  Validator.validate_output(output)
  @parameters[:output] = output
end

#params ⇒ Object

View the built parameters



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# File 'lib/simple-mappr.rb', line 16

def params
  @parameters
end

#points ⇒ Object 



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# File 'lib/simple-mappr.rb', line 247

def points
  @parameters[:points] || nil
end

#points=(points) ⇒ Object

An array of geographic coordinates, each as latitude,longitude Group coordinates in array elements, each of which can also be separated by linebreaks, n

Example

instance.points = ["45,-120\n45.4,-110","52,-120"]



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# File 'lib/simple-mappr.rb', line 242

def points=(points)
  Validator.validate_points(points)
  @parameters[:points] = points
end

#projection ⇒ Object 



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# File 'lib/simple-mappr.rb', line 264

def projection
  @parameters[:projection] || nil
end

#projection=(projection) ⇒ Object

Specify the projection See simple-mappr/constants.rb

Example

instance.projection = "epsg:4326"



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# File 'lib/simple-mappr.rb', line 259

def projection=(projection)
  Validator.validate_projection(projection)
  @parameters[:projection] = projection
end

#scalebar ⇒ Object 



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# File 'lib/simple-mappr.rb', line 280

def scalebar
  @parameters[:scalebar] || nil
end

#scalebar=(scalebar) ⇒ Object

Include an embedded scalebar

Example

instance.scalebar = true



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# File 'lib/simple-mappr.rb', line 275

def scalebar=(scalebar)
  Validator.validate_type(scalebar, 'Boolean')
  @parameters[:scalebar] = scalebar
end

#shade ⇒ Object 



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# File 'lib/simple-mappr.rb', line 297

def shade
  @parameters[:shade] || nil
end

#shade=(shade) ⇒ Object

Include shaded regions as a Hash Specify color, title, and places as keys

Example

instance.shade = { color: "200,200,200", title: "My Regions", places: "Canada,US[WY|WA]"}



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# File 'lib/simple-mappr.rb', line 292

def shade=(shade)
  Validator.validate_shade(shade)
  @parameters[:shade] = shade
end

#shape ⇒ Object 



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# File 'lib/simple-mappr.rb', line 314

def shape
  @parameters[:shape] || nil
end

#shape=(shape) ⇒ Object

Describe the shape to use corresponding to the points See simple-mappr/constants.rb

Example

instance.shape = ['circle','square']



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# File 'lib/simple-mappr.rb', line 309

def shape=(shape)
  Validator.validate_shapes(shape)
  @parameters[:shape] = shape
end

#size ⇒ Object 



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# File 'lib/simple-mappr.rb', line 331

def size
  @parameters[:size] || nil
end

#size=(size) ⇒ Object

Specify the size of the corresponding points Options are Integer less than or equal to 14

Example

instance.size = [8,14]



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# File 'lib/simple-mappr.rb', line 326

def size=(size)
  Validator.validate_sizes(size)
  @parameters[:size] = size
end

#spacing ⇒ Object 



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# File 'lib/simple-mappr.rb', line 348

def spacing
  @parameters[:spacing] || nil
end

#spacing=(spacing) ⇒ Object

Specify the spacing between graticule (grid) lines in degrees Must be an Integer less than or equal to 10

Example

instance.spacing = 5



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# File 'lib/simple-mappr.rb', line 343

def spacing=(spacing)
  Validator.validate_spacing(spacing)
  @parameters[:spacing] = spacing
end

#url ⇒ Object 



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# File 'lib/simple-mappr.rb', line 365

def url
  @parameters[:url] || nil
end

#url=(url) ⇒ Object

Specify a remote URL Source must be a csv, a tab-delimited file, or a GeoRSS

Example

instance.url = "http://www.simplemappr.net/public/files/demo.csv"



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# File 'lib/simple-mappr.rb', line 360

def url=(url)
  Validator.validate_url(url)
  @parameters[:url] = url
end

#width ⇒ Object 



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# File 'lib/simple-mappr.rb', line 382

def width
  @parameters[:width] || nil
end

#width=(width) ⇒ Object

Specify the width of the output in pixels Must be less than or eqaual to 4500

Example

instance.width = 1_000



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# File 'lib/simple-mappr.rb', line 377

def width=(width)
  Validator.validate_dimension(width)
  @parameters[:width] = width
end

#wkt ⇒ Object 



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# File 'lib/simple-mappr.rb', line 399

def wkt
  @parameters[:wkt] || nil
end

#wkt=(wkt) ⇒ Object

Include wkt regions as an Array of Hashes Specify color, title, and data as keys for each element

Example

instance.wkt = [{ color: "200,200,200", title: "My Regions", data: "POLYGON((-70 63,-70 48,-106 48,-106 63,-70 63))" }]



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# File 'lib/simple-mappr.rb', line 394

def wkt=(wkt)
  Validator.validate_wkt(wkt)
  @parameters[:wkt] = wkt
end

#zoom ⇒ Object 



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# File 'lib/simple-mappr.rb', line 416

def zoom
  @parameters[:zoom] || nil
end

#zoom=(zoom) ⇒ Object

Specify a zoom level, centred on the geographic center of all points Must be less than or eqaual to 10

Example

instance.zoom = 3



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# File 'lib/simple-mappr.rb', line 411

def zoom=(zoom)
  Validator.validate_zoom(zoom)
  @parameters[:zoom] = zoom
end