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Check List
  • Create a Magics python skeleton that displays a global map using the plot command
  • Create and use an output object to set-up  name and format of your output
  • Improve mcoast to taylor the coastlines.
  • Add a mtext object to add some texts.

 

First step

In order to be able to create and use Magics objects, the Magics python package has to be imported.

from Magics.macro import *

Any Magics plots will be triggered using the plot command, the simplest plot example is :

plot(mcoast())

The result will be a geographical map, using the default projection, and the default attributes of coastlines.

Magics will instantiate the default driver.

 

 

Python - Basic 
from Magics.macro import *

plot(mcoast())

 

Create a postscript file called ps.ps, mcoast() create a default coastlines object.

 

 

 


Setting the output

The object output allows the definition of the output format, and the settings of the output file name .

Have a look at the  PNG output documentation  to see which parameters are available to set-up a PNG output.

To create a PNG output Magics, you have to create an output object and to insert at the first position in the plot command

 

Python - Output 
from Magics.macro import *

#settings of the png output 
output = output(
			output_formats = ['png'],
  			output_name = "magics",
    		output_name_first_page_number = "off"
    )

#The plot commad will create a png output called magics.png
plot(output, mcoast())

Setting the coastlines

The object mcoast allows the parametrisation of the coastlines.

Have a look at the  Coastlines documentation  to see which parameters are available.

To configure the look of your coastlines you have to create a mcoast object with the parameters you want.

The object has to be inserted in the plot command.

 

 

 

Python - Coastlines 
from Magics.macro import *

#settings of the png output 
output = output(
			output_formats = ['png'],
  			output_name = "coast",
    		output_name_first_page_number = "off"
    )
##settings of the coastlines attributes 
coast = mcoast(
  map_coastline_land_shade = "on",
  map_coastline_land_shade_colour = "cream",
  map_grid_line_style = "dash",
  map_grid_colour = "brown",
  map_label_colour = "brown",
  map_coastline_colour = "brown"
)

#The plot command will now use the coast object
plot(output, coast)

 

 

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