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Copy pathp.B8.a.convexity_segmentation.py
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p.B8.a.convexity_segmentation.py
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#!/usr/bin/env python
#
############################################################################
#
# MODULE : p.convexity_segmentation.py
# AUTHOR(S) : Sanzana P. 05/29/2017
# BASED ON : convexity.py Sanzana P. 01/12/2014
#
# PURPOSE : Dissolving by convexity criteria segmentation
#
# COPYRIGHT : IRSTEA-UC-UCH
# This file is part of GeoPUMMA
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
#
#
#############################################################################
#
#
#
import sys
import os
import grass.script as grass
directory = os.getcwd()
print directory
import os.path
import shutil
env = grass.gisenv()
print env
vectors = grass.read_command("g.list", type='vect')
print vectors
import time
start_time=time.time()
polygons=raw_input("Please enter the name of the polygon to dissolve (column id_mesh req.) : ")
polygons_out=raw_input("Please enter the name of the output polygon : ")
polygons_columns=raw_input("Please enter the name of polygon pre Triangle to get columns: ")
CIT_text=raw_input("Please enter the Convexity Index Threshold (CIT 0.80-0.95) : ")
CIT=float(CIT_text)
#CIT=0.750
A_MAX_T_text=raw_input("Please enter the Maximum Area (Amax rec = 20000 m2) : ")
A_MAX_T=float(A_MAX_T_text)
MIN_A_T_text=raw_input("Please enter the Minimum Area (Amin rec = 10 m2) : ")
MIN_A_T_OPTION=float(MIN_A_T_text)
MAX_PIECES_text=raw_input("Please enter the Maximum Final Components for each feature (Max rec = 100) : ")
MAX_PIECES_OPTION=1/float(MAX_PIECES_text)
FF_MIN_T_text=raw_input("Please enter the Form Factor Threshold ot avoid creat to slim features (FFT rec =0.1) : ")
FF_MIN_T=float(FF_MIN_T_text)
#FF_MIN_T=0.20
snap=0.001
#dissolve=raw_input("Dissolve small areas: Yes (1) or Not (0): ")
grass.run_command("g.remove",vect='new_points,new_set_disolved,out_poly_1,polygons_temp,polygons_temp_1,polygons_temp_1_table,poly_hull,polygons_total_1,polygons_total_2')
#add table and calculate areas
grass.run_command("v.db.addtable",map=polygons)
grass.run_command("v.db.addcol",map=polygons,col='area double')
grass.run_command("v.db.addcol",map=polygons,col='peri double')
grass.run_command("v.db.addcol",map=polygons,col='convexity double')
grass.run_command("v.to.db",map=polygons,col='area',option='area')
grass.run_command("v.to.db",map=polygons,col='peri',option='perimeter')
#add column to identify new set of polygons
grass.run_command("v.db.dropcol",map=polygons,col='new_set')
grass.run_command("v.db.addcol",map=polygons,col='new_set int')
grass.run_command("v.db.update",map=polygons,col='new_set',value='cat')
#sort list the categories, without repeted values
category=grass.read_command("v.db.select",map=polygons,col='id_mesh',flags='c')
cat2=category.rsplit()
cat3=sorted(cat2)
x=0
list=[]
#Delete repeted values
print cat3
while x<len(cat3):
z=int(cat3[x])
if list.count(z)==0:
list.append(z)
else :
print "Repeted Value "+ str(z)
x+=1
list_sorted=sorted(list)
######################################################
######################################################
#extract polygons to start dissolve rule
t=0
for i in list_sorted:
where_sql_1="id_mesh="+str(i)
grass.run_command("v.extract",input=polygons,output='out_poly_1',where=where_sql_1,overwrite=True)
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='out_poly_1',out='polygons_temp',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp',option='sides',col='left,right',layer='2')
#define area minim threshold
grass.run_command("v.extract",input=polygons,output='out_poly_area_1',where=where_sql_1,overwrite=True)
grass.run_command("v.dissolve",input='out_poly_area_1',output='out_poly_area_1_disolved',column='id_mesh',overwrite=True)
grass.run_command("v.db.addtable",map='out_poly_area_1_disolved')
grass.run_command("v.db.addcol",map='out_poly_area_1_disolved',col='area double')
grass.run_command("v.to.db",map='out_poly_area_1_disolved',col='area',option='area')
area_list_min=grass.read_command("v.db.select",map='out_poly_area_1_disolved',col='area',flags='c')
area_list_min1=area_list_min.rsplit()
area_list_min2 = map(float, area_list_min1)
if area_list_min2[0]*MAX_PIECES_OPTION<MIN_A_T_OPTION:
MIN_A_T=MIN_A_T_OPTION
else:
MIN_A_T=area_list_min2[0]*MAX_PIECES_OPTION
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
#category list
cat_list=grass.read_command("v.db.select",map='polygons_temp',col='cat',flags='c')
cat_list1=cat_list.rsplit()
cat_list2 = map(int, cat_list1)
length=len(cat_list2)
#iniciar busqueda de maximos vecinos
#while length > 1 :
temp=1
#iniciar auxiliar que disuelve
aux_new_set=cat_list2[area_list2.index(max1)]
while length>1:
print "################### INICIA EL WHILE####################"
#buscar categoria asociada al area maxima
cat_max=cat_list2[area_list2.index(max1)]
print "inicia en cat max : " + str(cat_max)
#borrar categoria y area del listado de checkeados
cat_list2.remove(cat_max)
area_list2.remove(max1)
#asignar valor de new_set en area maxima
where_sql_cat_max="cat="+str(cat_max)
grass.run_command("v.db.update",map='polygons_temp',column='new_set',value=aux_new_set, where=where_sql_cat_max)
#buscar categorias de los vecinos del area maxima
where_sql_left="right="+str(cat_max)
neig_left=grass.read_command("v.db.select",map='polygons_temp',col='left',flags='c',layer=2,where=where_sql_left)
neig_left1=map(int, neig_left.rsplit())
where_sql_right="left="+str(cat_max)
neig_right=grass.read_command("v.db.select",map='polygons_temp',col='right',flags='c',layer=2,where=where_sql_right)
neig_right1=map(int, neig_right.rsplit())
neig=neig_left1+neig_right1
print "vecinos"
print neig
#borrar de cat repetidos, con valor de -1 y aquellos que no han sido chequeados
x=0
cat_neig=[]
#Delete repeted values
while x<len(neig):
z=neig[x]
if cat_neig.count(z)==0 and z!=-1 and cat_list2.count(z)>0 :
cat_neig.append(z)
else :
print "Repeted Value "+ str(z)
x+=1
print "categorias sin -1 y repetidos"
print cat_neig
#en caso que lista de vecinos este vacia se para la iteracion
if len(cat_neig)>0:
#area vecinos
m=0
area_neig=[]
for n in cat_neig:
area_neig.append(area_list2[cat_list2.index(n)])
print "area asociada a cada cat"
print area_neig
#seleccionar el area maxima vecina
a_max_neig_1=max(area_neig)
print "area maxima " + str(a_max_neig_1)
cat_max_neig_1=cat_neig[area_neig.index(a_max_neig_1)]
print "categoria con a max"
print cat_max_neig_1
#chequear nuevo indice de convexidad
where_sql_extract="new_set="+str(aux_new_set)+" OR cat="+str(cat_max_neig_1)
grass.run_command("v.extract",input='polygons_temp',output='convex_test',where=where_sql_extract,overwrite=True)
grass.run_command("v.db.addcol",map='convex_test',col='id_temp int')
grass.run_command("v.db.update",map='convex_test',column='id_temp',value=1)
grass.run_command("v.dissolve",input='convex_test',output='new_set_disolved',column='id_temp',overwrite=True)
grass.run_command("v.db.addtable",map='new_set_disolved')
grass.run_command("v.db.addcol",map='new_set_disolved',col='peri double')
grass.run_command("v.to.db",map='new_set_disolved',col='peri',option='perimeter')
grass.run_command("g.region",vect=polygons)
grass.run_command("v.to.points",input='convex_test',output='new_points',overwrite=True,flags='v')
grass.run_command("v.hull",input='new_points',output='poly_hull',overwrite=True,flags='a')
grass.run_command("v.db.addtable",map='poly_hull')
grass.run_command("v.db.addcol",map='poly_hull',col='periH double')
grass.run_command("v.to.db",map='poly_hull',col='periH',option='perimeter')
hperi=grass.read_command("v.db.select",map='poly_hull',col='periH',flags='c')
hperi1=hperi.rsplit()
hperi2=hperi1[0]
hperi3=float(hperi2)
peri=grass.read_command("v.db.select",map='new_set_disolved',col='peri',flags='c')
peri1=peri.rsplit()
peri2=peri1[0]
peri3=float(peri2)
convexity=hperi3/peri3
print "####################################nueva convexidad############################"
print convexity
new_area=a_max_neig_1+max1
if convexity>CIT and new_area<A_MAX_T:
#actualizar poligono inicial
where_sql_cat_max="cat="+str(cat_max_neig_1)
grass.run_command("v.db.update",map='out_poly_1',col='new_set',value=aux_new_set,where=where_sql_cat_max)
#asignar valor de new_set en area maxima
where_sql_cat_max="cat="+str(cat_max_neig_1)
grass.run_command("v.db.update",map='polygons_temp',column='new_set',value=aux_new_set, where=where_sql_cat_max)
grass.run_command("v.dissolve",input='polygons_temp',output='polygons_temp_1',column='new_set',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_1')
grass.run_command("v.db.addcol",map='polygons_temp_1',col='area double')
grass.run_command("v.to.db",map='polygons_temp_1',col='area',option='area')
grass.run_command("v.db.addcol",map='polygons_temp_1',col='new_set int')
grass.run_command("v.db.update",map='polygons_temp_1',column='new_set',value='cat')
grass.run_command("g.copy", vect='polygons_temp_1,polygons_temp_2', overwrite=True)
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='polygons_temp_2',out='polygons_temp_3',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_3',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp_3',option='sides',col='left,right',layer='2')
#extract list with area value
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp_3',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
if len(area_list2)==0:
break
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
#category list
cat_list=grass.read_command("v.db.select",map='polygons_temp_3',col='cat',flags='c')
cat_list1=cat_list.rsplit()
cat_list2 = map(int, cat_list1)
grass.run_command("g.remove", vect='polygons_temp',flags='f')
grass.run_command("db.droptable",table='polygons_temp_1',flags='f')
grass.run_command("g.copy", vect='polygons_temp_3,polygons_temp', overwrite=True)
if convexity<=CIT or new_area>=A_MAX_T:
print "convexidad no cumple"
where_sql_cat_max="cat="+str(aux_new_set)
grass.run_command("v.extract",input='polygons_temp',output='polygons_temp_4',where=where_sql_cat_max,flags='r',overwrite=True)
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='polygons_temp_4',out='polygons_temp_5',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_5',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp_5',option='sides',col='left,right',layer='2')
#extract list with area value
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp_5',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
#category list
cat_list=grass.read_command("v.db.select",map='polygons_temp_5',col='cat',flags='c')
cat_list1=cat_list.rsplit()
cat_list2 = map(int, cat_list1)
grass.run_command("g.remove", vect='polygons_temp',flags='f')
grass.run_command("g.copy", vect='polygons_temp_5,polygons_temp', overwrite=True)
#actualizar nuevo new_set_aux
aux_new_set=cat_list2[area_list2.index(max1)]
break
######################################################
######################################################
#extract polygons to start dissolve rule
t=0
for i in list_sorted:
#for i in [2703,3099]:
where_sql_1="id_mesh="+str(i)
grass.run_command("v.extract",input=polygons,output='out_poly_1',where=where_sql_1,overwrite=True)
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='out_poly_1',out='polygons_temp',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp',option='sides',col='left,right',layer='2')
#define area minim threshold
grass.run_command("v.extract",input=polygons,output='out_poly_area_1',where=where_sql_1,overwrite=True)
grass.run_command("v.dissolve",input='out_poly_area_1',output='out_poly_area_1_disolved',column='id_mesh',overwrite=True)
grass.run_command("v.db.addtable",map='out_poly_area_1_disolved')
grass.run_command("v.db.addcol",map='out_poly_area_1_disolved',col='area double')
grass.run_command("v.to.db",map='out_poly_area_1_disolved',col='area',option='area')
area_list_min=grass.read_command("v.db.select",map='out_poly_area_1_disolved',col='area',flags='c')
area_list_min1=area_list_min.rsplit()
area_list_min2 = map(float, area_list_min1)
if area_list_min2[0]*MAX_PIECES_OPTION<MIN_A_T_OPTION:
MIN_A_T=MIN_A_T_OPTION
else:
MIN_A_T=area_list_min2[0]*MAX_PIECES_OPTION
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
#category list
cat_list=grass.read_command("v.db.select",map='polygons_temp',col='cat',flags='c')
cat_list1=cat_list.rsplit()
cat_list2 = map(int, cat_list1)
length=len(cat_list2)
#iniciar busqueda de maximos vecinos
#while length > 1 :
temp=1
#iniciar auxiliar que disuelve
aux_new_set=cat_list2[area_list2.index(max1)]
while length>1:
print "################### INICIA EL WHILE####################"
#buscar categoria asociada al area maxima
cat_max=cat_list2[area_list2.index(max1)]
print "inicia en cat max : " + str(cat_max)
#borrar categoria y area del listado de checkeados
cat_list2.remove(cat_max)
area_list2.remove(max1)
#asignar valor de new_set en area maxima
where_sql_cat_max="cat="+str(cat_max)
grass.run_command("v.db.update",map='polygons_temp',column='new_set',value=aux_new_set, where=where_sql_cat_max)
#buscar categorias de los vecinos del area maxima
where_sql_left="right="+str(cat_max)
neig_left=grass.read_command("v.db.select",map='polygons_temp',col='left',flags='c',layer=2,where=where_sql_left)
neig_left1=map(int, neig_left.rsplit())
where_sql_right="left="+str(cat_max)
neig_right=grass.read_command("v.db.select",map='polygons_temp',col='right',flags='c',layer=2,where=where_sql_right)
neig_right1=map(int, neig_right.rsplit())
neig=neig_left1+neig_right1
print "vecinos"
print neig
#borrar de cat repetidos, con valor de -1 y aquellos que no han sido chequeados
x=0
cat_neig=[]
#Delete repeted values
while x<len(neig):
z=neig[x]
if cat_neig.count(z)==0 and z!=-1 and cat_list2.count(z)>0 :
cat_neig.append(z)
else :
print "Repeted Value "+ str(z)
x+=1
print "categorias sin -1 y repetidos"
print cat_neig
#en caso que lista de vecinos este vacia se para la iteracion
if len(cat_neig)>0:
#area vecinos
m=0
area_neig=[]
for n in cat_neig:
area_neig.append(area_list2[cat_list2.index(n)])
print "area asociada a cada cat"
print area_neig
#seleccionar el area maxima vecina
a_max_neig_1=max(area_neig)
print "area maxima " + str(a_max_neig_1)
cat_max_neig_1=cat_neig[area_neig.index(a_max_neig_1)]
print "categoria con a max"
print cat_max_neig_1
#chequear nuevo indice de convexidad
where_sql_extract="new_set="+str(aux_new_set)+" OR cat="+str(cat_max_neig_1)
grass.run_command("v.extract",input='polygons_temp',output='convex_test',where=where_sql_extract,overwrite=True)
grass.run_command("v.db.addcol",map='convex_test',col='id_temp int')
grass.run_command("v.db.update",map='convex_test',column='id_temp',value=1)
grass.run_command("v.dissolve",input='convex_test',output='new_set_disolved',column='id_temp',overwrite=True)
grass.run_command("v.db.addtable",map='new_set_disolved')
grass.run_command("v.db.addcol",map='new_set_disolved',col='peri double')
grass.run_command("v.to.db",map='new_set_disolved',col='peri',option='perimeter')
grass.run_command("g.region",vect=polygons)
grass.run_command("v.to.points",input='convex_test',output='new_points',overwrite=True,flags='v')
grass.run_command("v.hull",input='new_points',output='poly_hull',overwrite=True,flags='a')
grass.run_command("v.db.addtable",map='poly_hull')
grass.run_command("v.db.addcol",map='poly_hull',col='periH double')
grass.run_command("v.to.db",map='poly_hull',col='periH',option='perimeter')
hperi=grass.read_command("v.db.select",map='poly_hull',col='periH',flags='c')
hperi1=hperi.rsplit()
hperi2=hperi1[0]
hperi3=float(hperi2)
peri=grass.read_command("v.db.select",map='new_set_disolved',col='peri',flags='c')
peri1=peri.rsplit()
peri2=peri1[0]
peri3=float(peri2)
convexity=hperi3/peri3
print "####################################nueva convexidad############################"
print convexity
new_area=a_max_neig_1+max1
if convexity>CIT and new_area<A_MAX_T:
#actualizar poligono inicial
where_sql_cat_max="cat="+str(cat_max_neig_1)
grass.run_command("v.db.update",map='out_poly_1',col='new_set',value=aux_new_set,where=where_sql_cat_max)
#asignar valor de new_set en area maxima
where_sql_cat_max="cat="+str(cat_max_neig_1)
grass.run_command("v.db.update",map='polygons_temp',column='new_set',value=aux_new_set, where=where_sql_cat_max)
grass.run_command("v.dissolve",input='polygons_temp',output='polygons_temp_1',column='new_set',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_1')
grass.run_command("v.db.addcol",map='polygons_temp_1',col='area double')
grass.run_command("v.to.db",map='polygons_temp_1',col='area',option='area')
grass.run_command("v.db.addcol",map='polygons_temp_1',col='new_set int')
grass.run_command("v.db.update",map='polygons_temp_1',column='new_set',value='cat')
grass.run_command("g.copy", vect='polygons_temp_1,polygons_temp_2', overwrite=True)
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='polygons_temp_2',out='polygons_temp_3',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_3',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp_3',option='sides',col='left,right',layer='2')
#extract list with area value
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp_3',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
#category list
cat_list=grass.read_command("v.db.select",map='polygons_temp_3',col='cat',flags='c')
cat_list1=cat_list.rsplit()
cat_list2 = map(int, cat_list1)
grass.run_command("g.remove", vect='polygons_temp',flags='f')
grass.run_command("db.droptable",table='polygons_temp_1',flags='f')
grass.run_command("g.copy", vect='polygons_temp_3,polygons_temp', overwrite=True)
if convexity<=CIT or new_area>=A_MAX_T:
print "convexidad no cumple"
where_sql_cat_max="cat="+str(aux_new_set)
grass.run_command("v.extract",input='polygons_temp',output='polygons_temp_4',where=where_sql_cat_max,flags='r',overwrite=True)
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='polygons_temp_4',out='polygons_temp_5',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_5',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp_5',option='sides',col='left,right',layer='2')
#extract list with area value
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp_5',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
#category list
cat_list=grass.read_command("v.db.select",map='polygons_temp_5',col='cat',flags='c')
cat_list1=cat_list.rsplit()
cat_list2 = map(int, cat_list1)
grass.run_command("g.remove", vect='polygons_temp',flags='f')
grass.run_command("g.copy", vect='polygons_temp_5,polygons_temp', overwrite=True)
#actualizar nuevo new_set_aux
aux_new_set=cat_list2[area_list2.index(max1)]
if len(cat_neig)==0:
print "no me quedan vecinos"
where_sql_cat_max="cat="+str(aux_new_set)
grass.run_command("v.extract",input='polygons_temp',output='polygons_temp_4',where=where_sql_cat_max,flags='r',overwrite=True)
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='polygons_temp_4',out='polygons_temp_5',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_5',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp_5',option='sides',col='left,right',layer='2')
#extract list with area value
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp_5',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
#category list
cat_list=grass.read_command("v.db.select",map='polygons_temp_5',col='cat',flags='c')
cat_list1=cat_list.rsplit()
cat_list2 = map(int, cat_list1)
grass.run_command("g.remove", vect='polygons_temp',flags='f')
grass.run_command("g.copy", vect='polygons_temp_5,polygons_temp', overwrite=True)
#actualizar nuevo new_set_aux
aux_new_set=cat_list2[area_list2.index(max1)]
print "largo de la lista que queda por disolver = "+ str(len(cat_list2))
length=len(cat_list2)
#
#
#
#
#
####disolver areas
#
#
#
grass.run_command("v.dissolve",input='out_poly_1',output='polygons_temp_6',column='new_set',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_6')
grass.run_command("v.db.addcol",map='polygons_temp_6',col='area double')
grass.run_command("v.to.db",map='polygons_temp_6',col='area',option='area')
grass.run_command("v.db.addcol",map='polygons_temp_6',col='new_set int')
grass.run_command("v.db.update",map='polygons_temp_6',column='new_set',value='cat')
grass.run_command("g.copy", vect='polygons_temp_6,polygons_temp_7', overwrite=True)
#
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='polygons_temp_7',out='polygons_temp_8',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_8',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp_8',option='sides',col='left,right',layer='2')
#extract list with area value
#######################################################DISUELVE AREAS PEQUENAS
#AREA MINIMA
grass.run_command("g.copy", vect='polygons_temp_8,out_poly_3', overwrite=True)
#add table and calculate areas
grass.run_command("v.db.addtable",map='polygons_temp_8')
grass.run_command("v.db.addcol",map='polygons_temp_8',col='area double')
grass.run_command("v.db.addcol",map='polygons_temp_8',col='peri double')
grass.run_command("v.db.addcol",map='polygons_temp_8',col='formfactor double')
grass.run_command("v.to.db",map='polygons_temp_8',col='area',option='area')
grass.run_command("v.to.db",map='polygons_temp_8',col='peri',option='perimeter')
grass.run_command("v.db.update",map='polygons_temp_8',col='formfactor',value='16*area/(peri*peri)')
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp_8',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
#category list
cat_list=grass.read_command("v.db.select",map='polygons_temp_8',col='cat',flags='c')
cat_list1=cat_list.rsplit()
cat_list2 = map(int, cat_list1)
length=len(cat_list2)
#iniciar busqueda de maximos vecinos
#while length > 1 :
temp=1
#iniciar auxiliar que disuelve
aux_new_set=cat_list2[area_list2.index(max1)]
while length>1:
print "################### INICIA EL WHILE####################"
#buscar categoria asociada al area maxima
cat_max=cat_list2[area_list2.index(max1)]
print "inicia en cat max : " + str(cat_max)
#borrar categoria y area del listado de checkeados
cat_list2.remove(cat_max)
area_list2.remove(max1)
#asignar valor de new_set en area maxima
where_sql_cat_max="cat="+str(cat_max)
grass.run_command("v.db.update",map='polygons_temp_8',column='new_set',value=aux_new_set, where=where_sql_cat_max)
#buscar categorias de los vecinos del area maxima
where_sql_left="right="+str(cat_max)
neig_left=grass.read_command("v.db.select",map='polygons_temp_8',col='left',flags='c',layer=2,where=where_sql_left)
neig_left1=map(int, neig_left.rsplit())
where_sql_right="left="+str(cat_max)
neig_right=grass.read_command("v.db.select",map='polygons_temp_8',col='right',flags='c',layer=2,where=where_sql_right)
neig_right1=map(int, neig_right.rsplit())
neig=neig_left1+neig_right1
print "vecinos"
print neig
#borrar de cat repetidos, con valor de -1 y aquellos que no han sido chequeados
x=0
cat_neig=[]
#Delete repeted values
while x<len(neig):
z=neig[x]
if cat_neig.count(z)==0 and z!=-1 and cat_list2.count(z)>0 :
cat_neig.append(z)
else :
print "Repeted Value "+ str(z)
x+=1
print "categorias sin -1 y repetidos"
print cat_neig
#borrar vecinos con areas grandes
x=0
cat_neig_a_small=[]
#Delete repeted values
while x<len(cat_neig):
z=cat_neig[x]
a_min_cat_neig=area_list2[cat_list2.index(z)]
where_sql_ff="cat="+str(z)
if cat_neig_a_small.count(z)==0 and a_min_cat_neig<MIN_A_T:
cat_neig_a_small.append(z)
else :
print "Repeted Value "+ str(z)
x+=1
print "categorias sin -1 y repetidos"
print cat_neig_a_small
#en caso que lista de vecinos este vacia se para la iteracion
if len(cat_neig_a_small)>0:
for f in cat_neig_a_small:
#actualizar poligono inicial
where_sql_cat_max="cat="+str(f)
grass.run_command("v.db.update",map='out_poly_3',col='new_set',value=aux_new_set,where=where_sql_cat_max)
#asignar valor de new_set en area maxima
where_sql_cat_max="cat="+str(f)
grass.run_command("v.db.update",map='polygons_temp_8',column='new_set',value=aux_new_set, where=where_sql_cat_max)
grass.run_command("v.dissolve",input='polygons_temp_8',output='polygons_temp_1',column='new_set',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_1')
grass.run_command("v.db.addcol",map='polygons_temp_1',col='area double')
grass.run_command("v.to.db",map='polygons_temp_1',col='area',option='area')
grass.run_command("v.db.addcol",map='polygons_temp_1',col='new_set int')
grass.run_command("v.db.update",map='polygons_temp_1',column='new_set',value='cat')
grass.run_command("g.copy", vect='polygons_temp_1,polygons_temp_2', overwrite=True)
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='polygons_temp_2',out='polygons_temp_3',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_3',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp_3',option='sides',col='left,right',layer='2')
#extract list with area value
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp_3',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
#category list
cat_list=grass.read_command("v.db.select",map='polygons_temp_3',col='cat',flags='c')
cat_list1=cat_list.rsplit()
cat_list2 = map(int, cat_list1)
grass.run_command("g.remove", vect='polygons_temp_8',flags='f')
grass.run_command("db.droptable",table='polygons_temp_1',flags='f')
grass.run_command("g.copy", vect='polygons_temp_3,polygons_temp_8', overwrite=True)
if len(cat_neig_a_small)==0:
print "no me quedan vecinos"
where_sql_cat_max="cat="+str(aux_new_set)
grass.run_command("v.extract",input='polygons_temp_8',output='polygons_temp_4',where=where_sql_cat_max,flags='r',overwrite=True)
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='polygons_temp_4',out='polygons_temp_5',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_5',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp_5',option='sides',col='left,right',layer='2')
#extract list with area value
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp_5',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
#category list
cat_list=grass.read_command("v.db.select",map='polygons_temp_5',col='cat',flags='c')
cat_list1=cat_list.rsplit()
cat_list2 = map(int, cat_list1)
grass.run_command("g.remove", vect='polygons_temp_8',flags='f')
grass.run_command("g.copy", vect='polygons_temp_5,polygons_temp_8', overwrite=True)
#actualizar nuevo new_set_aux
aux_new_set=cat_list2[area_list2.index(max1)]
print "largo de la lista que queda por disolver = "+ str(len(cat_list2))
length=len(cat_list2)
#
#
#
#
#
####disolver areas
#
#
#
grass.run_command("v.dissolve",input='out_poly_3',output='polygons_temp_6',column='new_set',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_6')
grass.run_command("v.db.addcol",map='polygons_temp_6',col='area double')
grass.run_command("v.to.db",map='polygons_temp_6',col='area',option='area')
grass.run_command("v.db.addcol",map='polygons_temp_6',col='new_set int')
grass.run_command("v.db.update",map='polygons_temp_6',column='new_set',value='cat')
grass.run_command("g.copy", vect='polygons_temp_6,polygons_temp_7', overwrite=True)
#find neigbords polygons to boundaries in layer 2
grass.run_command("v.category",input='polygons_temp_7',out='polygons_temp_8',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_8',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp_8',option='sides',col='left,right',layer='2')
#extract list with area value
#extract list with area value
area_list=grass.read_command("v.db.select",map='polygons_temp_8',col='area',flags='c')
area_list1=area_list.rsplit()
area_list2 = map(float, area_list1)
min1=min(area_list2)
print "minimo " + str(min1)
max1=max(area_list2)
print "maximo " + str(max1)
############################################################################################################
#copy_rule_1='polygons_temp_8,poly_dissolved_'+str(i)
#grass.run_command("g.copy", vect=copy_rule_1, overwrite=True)
#exportar e importar para limpieza topologica topologia
grass.run_command("v.db.dropcol",map='polygons_temp_8',column='cat_')
grass.run_command("v.out.ogr",input='polygons_temp_8',type='area',dsn='folder_diss',flags='ec',overwrite=True)
folder2=directory+"/folder_diss/polygons_temp_8.shp"
poly_i='poly_dissolved_'+str(i)
grass.run_command("v.in.ogr",dsn=folder2,output=poly_i,flags='o',overwrite=True)
#deleting temporal folders
folder2_rm=directory+"/folder_diss"
if os.path.exists(folder2_rm):
shutil.rmtree(folder2_rm)
#paste finals polygons
if t==0:
copy_rule_2=poly_i+',polygons_total_1'
grass.run_command("g.copy", vect=copy_rule_2, overwrite=True)
remove_i='poly_dissolved_'+str(i)
grass.run_command("g.remove",vect=remove_i)
t+=1
if t>0:
patch='polygons_total_1,'+poly_i
print "orden de patch " + patch
grass.run_command("v.patch", input=patch, output='polygons_total_2', overwrite=True)
print "ejecute patch "
grass.run_command("g.copy",vect='polygons_total_2,polygons_total_1', overwrite=True)
remove_i='poly_dissolved_'+str(i)
grass.run_command("g.remove",vect=remove_i)
t+=1
##***************************************************************************************
## limpieza
ogr='polygons_total_2'
ogr_out='polygons_total_3'
snap=0.0001
column_map=polygons_columns
#grass.run_command("v.in.ogr", flags='ce', dsn='D:\work\grassdata\data\Chaudanne2010\ReYvan\MergeSaufTBA.shp', output='clean1', min_area='0', snap='0', overwrite=True)
grass.run_command("v.category", input=ogr, output='clean2', type='boundary', option='add', overwrite=True)
grass.run_command("v.extract", flags='t', input='clean2', output='clean3', type='boundary', overwrite=True)
grass.run_command("v.type", input='clean3', output='clean4', type='boundary,line', overwrite=True)
grass.run_command("v.clean", input='clean4', output='clean5', type='line', tool='snap,break,rmdupl', thresh=snap, overwrite=True)
#grass.run_command("v.type", input='clean5', output='clean6', type='line,boundary', overwrite=True)
grass.run_command("v.type", input='clean5', output='clean6', type='line,boundary', overwrite=True)
grass.run_command("v.centroids", input='clean6', output='clean7', overwrite=True)
grass.run_command("v.category", input='clean7', output='clean8', type='boundary', option='del', overwrite=True)
grass.run_command("v.clean", input='clean8', output='clean9', tool='rmarea', thresh='0', overwrite=True)
grass.run_command("v.category", input='clean9', output='clean10', option='del', type='boundary', ids='1-9999', overwrite=True)
#grass.run_command("v.category", input='clean9', output='clean10', option='del', type='boundary', overwrite=True)
######FALTA EXTRAER AREAS > 0 ... TAMBIEN AYUDA EN LA LIMPIEZA, SE PODRIA EVALUAR TAMBIEN EXTRAER Y REIMPORTAR.
grass.run_command("v.build.polylines", input='clean10', output='clean11', cats='multi', overwrite=True)
#To get attributes using auxiliar col b_cat
grass.run_command("v.db.addtable", map='clean11', col='b_cat INTEGER', layer='1', overwrite=True)
grass.run_command("v.distance", _from='clean11', from_type='centroid', from_layer='1', to=column_map, upload='cat',column='b_cat', overwrite=True)
#export and import from ogr
#grass.run_command('v.out.ogr',flags='ce',input='clean11',dsn='clean11.shp',type='area',overwrite=True)
#grass.run_command("v.in.ogr", flags='ce', dsn='clean11.shp',output='clean12', overwrite=True)
grass.run_command('v.db.addcol',map='clean11',columns='c_cat INT')
grass.run_command('v.db.update', map='clean11',column='c_cat',value='b_cat')
grass.run_command("v.reclass", input='clean11', output='clean12', column='c_cat', overwrite=True)
grass.run_command("v.db.droptable", map='clean12', overwrite=True)
#grass.run_command("db.copy", from_table='clean1', to_table=ogr_out, overwrite=True)
#grass.run_command("db.copy", from_table=column_map, to_table=ogr_out, overwrite=True)
#grass.run_command("v.db.connect", map=ogr_out, table=ogr_out, layer='1', overwrite=True)
grass.run_command("db.copy", from_table=column_map, to_table='clean12', overwrite=True)
grass.run_command("v.db.connect", map='clean12', table='clean12', layer='1', overwrite=True)
#extract only features with category > 0
condition="cat>0"
grass.run_command("v.extract",input='clean12',output='clean13',where=condition,overwrite=True)
#exportar e importar para limpieza topologica topologia
grass.run_command("v.db.dropcol",map='clean13',column='cat_')
grass.run_command("v.out.ogr",input='clean13',type='area',dsn='folder_clean',flags='ec',overwrite=True)
folder2=directory+"/folder_clean/clean13.shp"
grass.run_command("v.in.ogr",dsn=folder2,output=ogr_out,flags='o',overwrite=True)
#deleting temporal folders
folder2_rm=directory+"/folder_clean"
if os.path.exists(folder2_rm):
shutil.rmtree(folder2_rm)
#exportar e importar para limpieza topologica topologia
grass.run_command("v.db.dropcol",map=ogr_out,column='cat_')
grass.run_command("v.out.ogr",input=ogr_out,type='area',dsn=ogr_out,flags='ec',overwrite=True)
grass.run_command("g.remove",vect='clean1,clean2,clean3,clean4,clean5,clean6,clean7,clean8,clean9,clean10,clean11,clean12,clean13')
##***************************************************************************************
## limpieza
##***************************************************************************************
## disolucion de poligonos con mal factor de forma
polygons_2='polygons_total_3'
#polygons_columns=raw_input("Please enter the name of polygon pre Triangle to get columns: ")
#out_polygons=raw_input("Please enter the name of the output polygon : ")
#CIT=raw_input("Please enter the Convexity Index Threshold : ")
#add column to identify new set of polygons
grass.run_command("v.db.addtable",map=polygons_2)
grass.run_command("v.db.dropcol",map=polygons_2,col='new_set')
grass.run_command("v.db.addcol",map=polygons_2,col='new_set int')
grass.run_command("v.db.update",map=polygons_2,col='new_set',value='cat')
#add table and calculate areas
grass.run_command("v.db.addcol",map=polygons_2,col='area double')
grass.run_command("v.db.addcol",map=polygons_2,col='peri double')
grass.run_command("v.db.addcol",map=polygons_2,col='formfactor double')
grass.run_command("v.to.db",map=polygons_2,col='area',option='area')
grass.run_command("v.to.db",map=polygons_2,col='peri',option='perimeter')
grass.run_command("v.db.update",map=polygons_2,col='formfactor',value='16*area/(peri*peri)')
#sort list the categories, without repeted values
where_sql_0="formfactor<"+str(FF_MIN_T)
category=grass.read_command("v.db.select",map=polygons_2,col='id_mesh',flags='c',where=where_sql_0)
cat2=category.rsplit()
cat3=sorted(map(int, cat2))
x=0
list=[]
#Delete repeted values
print cat3
while x<len(cat3):
z=int(cat3[x])
if list.count(z)==0:
list.append(z)
else :
print "Repeted Value "+ str(z)
x+=1
list_sorted=sorted(list)
#extract polygons to start dissolve rule
t=0
for i in list_sorted:
#for i in [2313]:
where_sql_1="id_mesh="+str(i)
grass.run_command("v.extract",input=polygons_2,output='polygons_temp_ff_1',where=where_sql_1,overwrite=True)
grass.run_command("v.category",input='polygons_temp_ff_1',out='polygons_temp_ff_2',layer='2',type='boundary',option='add',overwrite=True)
grass.run_command("v.db.addtable",map='polygons_temp_ff_2',layer='2',col='left integer,right integer')
grass.run_command("v.to.db", map='polygons_temp_ff_2',option='sides',col='left,right',layer='2')
where_sql_2="formfactor<"+str(FF_MIN_T)
grass.run_command("v.extract",input='polygons_temp_ff_1',output='polygons_temp_ff_3',where=where_sql_2,overwrite=True)
#sort list the categories, without repeted values
cat_ff=grass.read_command("v.db.select",map='polygons_temp_ff_3',col='cat',flags='c')
cat_ff2=cat_ff.rsplit()
cat_ff3=sorted(map(int, cat_ff2))
print "revisando id_mesh = "+ str(i)