View

View is an object that contains the information of the data to be visualized. One Application is composed by a set of Views.

Arguments

• border: An optional string or table with the stroke color. Colors can be described as strings using a color name, an RGB value (Ex. {0, 0, 0}), or a HEX value (see https://www.w3.org/wiki/CSS/Properties/color/keywords).
• color: An optional table with the colors for the attributes. Colors can be described as strings using a color name, an RGB value, a HEX value, or even as a string with a ColorBrewer format (see http://www.colorbrewer2.org). The available color names are:
  These colors are defined by www.w3.org (see https://www.w3.org/TR/SVG/types.html#ColorKeywords). The colors available in ColorBrewer format and the maximum number of slices for each of them are:

Name	Max
Accent, Dark, Set2	7
Pastel2, Set1	8
Pastel1	9
PRGn, RdYlGn, Spectral	10
BrBG, Paired, PiYG, PuOr, RdBu, RdGy, RdYlBu, Set3	11
BuGn, BuPu, OrRd, PuBu	19
Blues, GnBu, Greens, Greys, Oranges, PuBuGn, PuRd, Purples, RdPu, Reds, YlGn, YlGnBu, YlOrBr, YlOrRd	20

• decimal: An optional integer to allow reduce the number of decimals used for layer coordinates. Default value is 5.
• download: An optional boolean to allow its data to be downloaded from a link available in the created web page. Default value is false.
• icon: An optional table or string. A table with the icon properties, such as path, color and transparency. The property path uses SVG notation (see https://www.w3.org/TR/SVG/paths.html). A string with the name of marker icon. The markers available are: "airport", "animal", "bigcity", "bus", "car", "caution", "cycling", "database", "desert", "diving", "fillingstation", "finish", "fire", "firstaid", "fishing", "flag", "forest", "harbor", "helicopter", "home", "horseriding", "hospital", "lake", "motorbike", "mountains", "radio", "restaurant", "river", "road", "shipwreck" and "thunderstorm".
• label: An optional string or table of strings that describes the labels to be shown in the Legend.
• max: The maximum value of the attribute (used only for numbers).
• min: The minimum value of the attribute (used only for numbers).
• missing: An optional number that replaces all attributes read from a data source that do not have any value. If this argument is not set and there is some attribute without a value, TerraME will stop with an error.
• name: An optional string with the name of the attribute to be visualized over time. This argument is mandatory when using time equals to 'creation'.
• report: An optional argument that describes what happens when the user clicks in a given object of the View. It can be a Report or a user-defined function that creates a report for each spatial object of that view.
• select: An optional string with the name of the attribute to be visualized.
• slices: Number of colors to be used for drawing. It must be an integer number greater than one.
• time: An optional string with the temporal mode. The possible values are: 'snapshot' and 'creation'.
• transparency: An optional argument with the opacity of color attribute. The transparency parameter is a number between 0.0 (fully opaque) and 1.0 (fully transparent). The default value is 0.
• value: An optional table with the possible values for the selected attributes. This argument is mandatory when using color or icon.
• visible: An optional boolean whether the layer is visible. Default value is true.
• width: An optional argument with the stroke width in pixels.

Usage

import("publish")

local view = View{
    title = "Emas National Park",
    description = "A small example related to a fire spread model.",
    border = "blue",
    width = 2,
    color = "PuBu",
    select = "river",
    value = {0, 1, 2}
}

print(vardump(view))

Functions

loadColors	Internal function to load View colors.

loadColors

Internal function to load View colors. Do not use it.

Usage

view:loadColors()