Home Online Manual
Top
Back: texDrawTropical
Forward: texDrawTriangulation
FastBack: realizationMatroids_lib
FastForward: Miscellaneous libraries
Up: tropical_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.13.3.23 texDrawNewtonSubdivision

Procedure from library tropical.lib (see tropical_lib).

Usage:
texDrawNewtonSubdivision(graph[,#]); graph list, # optional list

Assume:
graph is the output of tropicalCurve

Return:
string, the texdraw code of the Newton subdivision of the tropical plane curve encoded by graph

Note:
- the list # may contain optional arguments, of which only one will be considered, namely the first entry of type 'poly'; this entry should be a rational number which specifies the scaling factor to be used; if it is missing, the factor will be computed; the list # may as well be empty
- note that lattice points in the Newton subdivision which are black correspond to markings of the marked subdivision, while lattice points in grey are not marked

Example:
 
LIB "tropical.lib";
ring r=(0,t),(x,y),dp;
poly f=x+y+x2y+xy2+1/t*xy;
list graph=tropicalCurve(f);
// compute the texdraw code of the Newton subdivision of the tropical curve
texDrawNewtonSubdivision(graph);