Please follow SUBMITTING rules if you add new modules

* svn prop set
* use standard messages!
(http://grass.osgeo.org/wiki/Development_Specs)
* don't use _() macro for option->key
* better not to use default answers for input raster maps


git-svn-id: https://svn.osgeo.org/grass/grass/trunk@37961 15284696-431f-4ddb-bdfa-cd5b030d7da7

imagery/i.eb.evapfr/i.eb.evapfr.html

@@ -31,4 +31,4 @@ Yann Chemin, Asian Institute of Technology, Thailand<BR>
 
 
 <p>
-<i>Last changed: $Date: 2006/10/10 11:28:44 $</i>
+<i>Last changed: $Date$</i>

imagery/i.eb.evapfr/main.c

@@ -6,7 +6,7 @@
  * PURPOSE:      Calculates the evaporative fraction
  *               as seen in Bastiaanssen (1995) 
  *
- * COPYRIGHT:    (C) 2002-2006 by the GRASS Development Team
+ * COPYRIGHT:    (C) 2002-2009 by the GRASS Development Team
  *
  *               This program is free software under the GNU General Public
  *   	    	 License (>=v2). Read the file COPYING that comes with GRASS
@@ -20,6 +20,7 @@
 #include <string.h>
 #include <grass/gis.h>
 #include <grass/glocale.h>
+
 double evap_fr(double r_net, double g0, double h0);
 double soilmoisture(double evapfr);
 
@@ -30,14 +31,13 @@ int main(int argc, char *argv[])
     int makin = 0;		/*Makin Flag for root zone soil moisture output */
     struct GModule *module;
     struct Option *input1, *input2, *input3, *output1, *output2;
-    struct Flag *flag1, *flag2;
+    struct Flag *flag1;
     struct History history;	/*metadata */
     char *result1, *result2;	/*output raster name */
     
     int infd_rnet, infd_g0, infd_h0;
     int outfd1, outfd2;
     char *rnet, *g0, *h0;
-    char *evapfr, *theta;
     void *inrast_rnet, *inrast_g0, *inrast_h0;
 
     DCELL * outrast1, *outrast2;
@@ -46,48 +46,43 @@ int main(int argc, char *argv[])
     G_gisinit(argv[0]);
     module = G_define_module();
     module->keywords =
-	_("evaporative fraction, soil moisture, energy balance, SEBAL");
+	_("imagery, evaporative fraction, soil moisture, energy balance, SEBAL");
     module->description =
-	_("evaporative fraction (Bastiaanssen, 1995) and root zone soil moisture (Makin, Molden and Bastiaanssen, 2001)");
+	_("Computes evaporative fraction (Bastiaanssen, 1995) and "
+	  "root zone soil moisture (Makin, Molden and Bastiaanssen, 2001)");
     
     /* Define the different options */ 
     input1 = G_define_standard_option(G_OPT_R_INPUT);
-    input1->key = _("rnet");
-    input1->description = _("Name of the Net Radiation map [W/m2]");
-    input1->answer = _("rnet");
+    input1->key = "rnet";
+    input1->description = _("Name of Net Radiation raster map [W/m2]");
 
     input2 = G_define_standard_option(G_OPT_R_INPUT);
-    input2->key = _("g0");
-    input2->description = _("Name of the soil heat flux map [W/m2]");
-    input2->answer = _("g0");
+    input2->key = "g0";
+    input2->description = _("Name of soil heat flux raster map [W/m2]");
 
     input3 = G_define_standard_option(G_OPT_R_INPUT);
-    input3->key = _("h0");
-    input3->description = _("Name of the sensible heat flux map [W/m2]");
-    input3->answer = _("h0");
+    input3->key = "h0";
+    input3->description = _("Name of sensible heat flux raster map [W/m2]");
 
     output1 = G_define_standard_option(G_OPT_R_OUTPUT);
-    output1->key = _("evapfr");
+    output1->key = "evapfr";
     output1->description =
-	_("Name of the output evaporative fraction layer");
-    output1->answer = _("evapfr");
+	_("Name for output evaporative fraction raster map");
 
     output2 = G_define_standard_option(G_OPT_R_OUTPUT);
-    output2->key = _("theta");
+    output2->key = "theta";
     output2->required = NO;
     output2->description =
-	_("Name of the output root zone soil moisture layer");
-    output2->answer = _("theta");
+	_("Name for output root zone soil moisture raster map");
 
     flag1 = G_define_flag();
     flag1->key = 'm';
     flag1->description =
-	_("root zone soil moisture output (Makin, Molden and Bastiaanssen, 2001)");
-
-    /********************/ 
+	_("Root zone soil moisture output (Makin, Molden and Bastiaanssen, 2001)");
+    
     if (G_parser(argc, argv))
 	exit(EXIT_FAILURE);
-
+    
     rnet = input1->answer;
     g0 = input2->answer;
     h0 = input3->answer;
@@ -118,11 +113,11 @@ int main(int argc, char *argv[])
 	outrast2 = G_allocate_d_raster_buf();
     
     /* Create New raster files */ 
-    if ((outfd1 = G_open_raster_new(result1,DCELL_TYPE)) < 0)
-	G_fatal_error(_("Unable to open raster map <%s>"), result1);
+    if ((outfd1 = G_open_raster_new(result1, DCELL_TYPE)) < 0)
+	G_fatal_error(_("Unable to create raster map <%s>"), result1);
     if (makin) 
-	if ((outfd2 = G_open_raster_new(result2,DCELL_TYPE)) < 0)
-	    G_fatal_error(_("Unable to open raster map <%s>"), result2);
+	if ((outfd2 = G_open_raster_new(result2, DCELL_TYPE)) < 0)
+	    G_fatal_error(_("Unable to create raster map <%s>"), result2);
         
     /* Process pixels */ 
     for (row = 0; row < nrows; row++)
@@ -135,11 +130,12 @@ int main(int argc, char *argv[])
 	
         /* read input maps */ 
         if (G_get_d_raster_row(infd_rnet, inrast_rnet, row)<0)
-	    G_fatal_error(_("Unable to read from <%s>"), rnet);
+	  G_fatal_error(_("Unable to read raster map <%s> row %d"), rnet, row);
 	if (G_get_d_raster_row(infd_g0, inrast_g0, row) < 0)
-	    G_fatal_error(_("Unable to read from <%s>"), g0);
+	  G_fatal_error(_("Unable to read raster map <%s> row %d"), g0, row);
 	if (G_get_d_raster_row(infd_h0, inrast_h0, row) < 0)
-	    G_fatal_error(_("Unable to read from <%s>"), h0);
+	  G_fatal_error(_("Unable to read raster map <%s> row %d"), h0, row);
+	
         /*process the data */ 
         for (col = 0; col < ncols; col++)
         {
@@ -166,11 +162,11 @@ int main(int argc, char *argv[])
 	    }
         }
 	if (G_put_d_raster_row(outfd1, outrast1) < 0)
-	    G_fatal_error(_("Unable to write to output raster map"));
+	    G_fatal_error(_("Failed writing raster map <%s>"), result1);
 	if (makin) 
         {
             if (G_put_d_raster_row(outfd2, outrast2) < 0)
-                G_fatal_error(_("Unable to write to output raster map"));
+		G_fatal_error(_("Failed writing raster map <%s>"), result2);
         }
     }
     G_free(inrast_rnet);
@@ -193,6 +189,7 @@ int main(int argc, char *argv[])
 	G_command_history(&history);
 	G_write_history(result2, &history);
     }
+
     exit(EXIT_SUCCESS);
 }
 

imagery/i.eb.g0/g0.c

@@ -1,11 +1,13 @@
 #include<stdio.h>
 #include<math.h>
 #include<stdlib.h>
- double g_0(double bbalb, double ndvi, double tempk, double rnet,
-	     double time, int roerink) 
+
+double g_0(double bbalb, double ndvi, double tempk, double rnet,
+	   double time, int roerink) 
 {
     double a, b, result;
     double r0_coef;
+    
     if (time <= 9.0 || time > 15.0) 
 	r0_coef = 1.1;
     else if (time > 9.0 && time <= 11.0)
@@ -22,6 +24,7 @@
     /* HAPEX-Sahel (Roerink, 1995) */ 
     if (roerink)
 	result = result * 1.430 - 0.0845;
+
     return result;
 }
 

imagery/i.eb.g0/i.eb.g0.html

@@ -34,4 +34,4 @@ Yann Chemin, Asian Institute of Technology, Thailand<BR>
 
 
 <p>
-<i>Last changed: $Date: 2006/10/08 21:30:42 $</i>
+<i>Last changed: $Date$</i>

imagery/i.eb.g0/main.c

@@ -7,7 +7,7 @@
  *               as seen in Bastiaanssen (1995) using time of
  *               satellite overpass.
  *
- * COPYRIGHT:    (C) 2006-2007 by the GRASS Development Team
+ * COPYRIGHT:    (C) 2006-2009 by the GRASS Development Team
  *
  *               This program is free software under the GNU General Public
  *   	    	 License (>=v2). Read the file COPYING that comes with GRASS
@@ -20,8 +20,10 @@
 #include <string.h>
 #include <grass/gis.h>
 #include <grass/glocale.h>
+
 double g_0(double bbalb, double ndvi, double tempk, double rnet,
 	     double time, int roerink);
+
 int main(int argc, char *argv[]) 
 {
     int nrows, ncols;
@@ -40,52 +42,42 @@ int main(int argc, char *argv[])
 	*inrast_time;
     DCELL * outrast;
 
-    /************************************/ 
     G_gisinit(argv[0]);
+
     module = G_define_module();
-    module->keywords = _("soil heat flux, energy balance, SEBAL");
-    module->description =
-	_("soil heat flux approximation (Bastiaanssen, 1995)");
+    module->keywords = _("imagery, soil heat flux, energy balance, SEBAL");
+    module->description = _("Soil heat flux approximation (Bastiaanssen, 1995)");
     
     /* Define the different options */ 
     input1 = G_define_standard_option(G_OPT_R_INPUT);
     input1->key = "albedo";
-    input1->description = _("Name of the Albedo map [0.0;1.0]");
-    input1->answer = "albedo";
+    input1->description = _("Name of Albedo raster map [0.0;1.0]");
 
     input2 = G_define_standard_option(G_OPT_R_INPUT);
     input2->key = "ndvi";
-    input2->description = _("Name of the ndvi map [-1.0;+1.0]");
-    input2->answer = "ndvi";
+    input2->description = _("Name of NDVI raster map [-1.0;+1.0]");
 
     input3 = G_define_standard_option(G_OPT_R_INPUT);
     input3->key = "tempk";
     input3->description =
-	_("Name of the Surface temperature map [degree Kelvin]");
-    input3->answer = "tempk";
+	_("Name of Surface temperature raster map [degree Kelvin]");
 
     input4 = G_define_standard_option(G_OPT_R_INPUT);
     input4->key = "rnet";
-    input4->description = _("Name of the Net Radiation map [W/m2]");
-    input4->answer = "rnet";
+    input4->description = _("Name of Net Radiation raster map [W/m2]");
 
     input5 = G_define_standard_option(G_OPT_R_INPUT);
     input5->key = "time";
     input5->description =
-	_("Name of the time of satellite overpass map [local UTC]");
-    input5->answer = "time";
+	_("Name of time of satellite overpass raster map [local UTC]");
 
     output1 = G_define_standard_option(G_OPT_R_OUTPUT);
-    output1->key = "g0";
-    output1->description = _("Name of the output g0 layer");
-    output1->answer = "g0";
 
     flag1 = G_define_flag();
     flag1->key = 'r';
     flag1->description =
 	_("HAPEX-Sahel empirical correction (Roerink, 1995)");
 
-    /********************/ 
     if (G_parser(argc, argv))
 	exit(EXIT_FAILURE);
 
@@ -110,11 +102,11 @@ int main(int argc, char *argv[])
     inrast_tempk = G_allocate_d_raster_buf();
 
     if ((infd_rnet = G_open_cell_old(rnet, "")) < 0)
-	G_fatal_error(_("Unable to open raster map [%s]"), rnet);
+	G_fatal_error(_("Unable to open raster map <%s>"), rnet);
     inrast_rnet = G_allocate_d_raster_buf();
 
     if ((infd_time = G_open_cell_old(time, "")) < 0)
-	G_fatal_error(_("Unable to open raster map [%s]"), time);
+	G_fatal_error(_("Unable to open raster map <%s>"), time);
     inrast_time = G_allocate_d_raster_buf();
 
     nrows = G_window_rows();
@@ -123,7 +115,8 @@ int main(int argc, char *argv[])
     
     /* Create New raster files */ 
     if ((outfd = G_open_raster_new(result,DCELL_TYPE)) < 0)
-	G_fatal_error(_("Unable to open raster map<%s>"), result);
+	G_fatal_error(_("Unable to create raster map <%s>"), result);
+
     /* Process pixels */ 
     for (row = 0; row < nrows; row++)
     {
@@ -136,15 +129,20 @@ int main(int argc, char *argv[])
 	G_percent(row, nrows, 2);	
         /* read input maps */ 
         if (G_get_d_raster_row(infd_albedo, inrast_albedo, row) < 0)
-	    G_fatal_error(_("Unable to read from <%s>"), albedo);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"),
+			  albedo, row);
 	if (G_get_d_raster_row(infd_ndvi, inrast_ndvi, row)<0)
-	    G_fatal_error(_("Unable to read from <%s>"), ndvi);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"),
+			  ndvi, row);
 	if (G_get_d_raster_row(infd_tempk, inrast_tempk, row)< 0)
-	    G_fatal_error(_("Unable to read from <%s>"), tempk);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"),
+			  tempk, row);
 	if (G_get_d_raster_row(infd_rnet, inrast_rnet, row)<0)
-	    G_fatal_error(_("Unable to read from <%s>"), rnet);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"),
+			  rnet, row);
 	if (G_get_d_raster_row(infd_time, inrast_time, row)<0)
-	    G_fatal_error(_("Unable to read from <%s>"), time);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"),
+			  time, row);
         /*process the data */ 
         for (col = 0; col < ncols; col++)
         {
@@ -167,7 +165,7 @@ int main(int argc, char *argv[])
 	    }
 	}
 	if (G_put_d_raster_row(outfd, outrast) < 0)
-	    G_fatal_error(_("Unable to write to output raster map"));
+	    G_fatal_error(_("Failed writing raster map <%s>"), result);
     }
     G_free(inrast_albedo);
     G_free(inrast_ndvi);
@@ -188,6 +186,7 @@ int main(int argc, char *argv[])
     G_short_history(result, "raster", &history);
     G_command_history(&history);
     G_write_history(result, &history);
+
     exit(EXIT_SUCCESS);
 }
 

imagery/i.eb.h_SEBAL01/i.eb.h_SEBAL01.html

@@ -1,63 +1,63 @@
-<html>
-<body>
-<H2>NAME</H2> <B><I>i.eb.h_SEBAL01 </I></B>- computation of <i>sensible heat flux</i> [W/m2] after Bastiaanssen, 1995 in [1], used in this form in 2001 by [2]. Implemented in this code in [3].
-<H2>DESCRIPTION</H2>
-
-<p><EM>i.eb.h_SEBAL01</EM> will calculate the sensible heat flux map (h0), given both maps of Net Radiation and soil Heat flux (Rn, g0) at instantaneous time, the surface roughness (z0m), a map of the altitude corrected temperature (t0dem), a point data of the frictional velocity (u*), a value of actual vapour pressure (ea[KPa]) and the (x,y) pairs for wet and dry pixels.
-
-Full process will need those:
-<ul>
-  <li>i.vi, i.albedo, i.latlong, i.emissivity
-  <li>i.evapo.potrad
-  <li>i.eb.netrad, i.eb.g0, i.eb.h_sebal01
-  <li>i.eb.evapfr, i.eb.eta
-</ul>
-
-(for time integration: i.evapo.time_integration)
-
-<p>For more details on the algorithms see [1][2][3].
-
-<H2>OPTIONS</H2>
-
-<H2>NOTES</H2>
-- z0m can be alculated by i.eb.z0m or i.eb.z0m0 (grass-addons).
-
-- ea can be calculated with standard meteorological data. 
-	eoTmin=0.6108*EXP(17.27*Tmin/(Tmin+237.3))
-	eoTmax=0.6108*EXP(17.27*Tmax/(Tmax+237.3))
-	ea=(RH/100)/((eoTmin+eoTmax)/2)
-
-- t0dem = surface temperature + (altitude * 0.627 / 100)
-
-
-
-<H2>SEE ALSO</H2>
-<ul>
-  <li><a href=i.eb.g0.html>i.eb.g0</a>,
-      <a href=i.eb.h_SEBAL01.html>i.eb.h_SEBAL01</a>,
-      <a href=i.eb.evapfr.html>i.eb.evapfr</a></li>
-</ul>
-
-
-<H2>REFERENCES</H2>
-
-  <p>[1] Bastiaanssen, W.G.M., 1995.
-  Estimation of Land surface paramters by remote sensing under clear-sky conditions. PhD thesis, Wageningen University, Wageningen, The Netherlands.
-
-  <p>[2] Chemin Y., Alexandridis T.A., 2001. Improving spatial resolution of ET seasonal for irrigated rice in Zhanghe, China}''. Asian Journal of Geoinformatics. 5(1):3-11,2004. 
-
-  <p>[3] Alexandridis T.K., Cherif I., Chemin Y., Silleos N.G., Stavrinos E., Zalidis G.C. Integrated methodology for estimating water use in Mediterranean agricultural areas. Remote Sensing. -(-):,2009. (submitted))
-
-
-<H2>AUTHORS</H2>
-  <p>
-  <i>
-   <br>Yann Chemin, International Rice Research Institute, Los Banos, The Philippines.
-  </i>
-  <p>Contact: <a href="mailto:yann.chemin@gmail.com"> Yann chemin</a>
-
-
-
-<p><i>Last changed: $Date: 2009/06/19 09:00:00 $</i>
-</body>
-</html>
+<html>
+<body>
+<H2>NAME</H2> <B><I>i.eb.h_SEBAL01 </I></B>- computation of <i>sensible heat flux</i> [W/m2] after Bastiaanssen, 1995 in [1], used in this form in 2001 by [2]. Implemented in this code in [3].
+<H2>DESCRIPTION</H2>
+
+<p><EM>i.eb.h_SEBAL01</EM> will calculate the sensible heat flux map (h0), given both maps of Net Radiation and soil Heat flux (Rn, g0) at instantaneous time, the surface roughness (z0m), a map of the altitude corrected temperature (t0dem), a point data of the frictional velocity (u*), a value of actual vapour pressure (ea[KPa]) and the (x,y) pairs for wet and dry pixels.
+
+Full process will need those:
+<ul>
+  <li>i.vi, i.albedo, i.latlong, i.emissivity
+  <li>i.evapo.potrad
+  <li>i.eb.netrad, i.eb.g0, i.eb.h_sebal01
+  <li>i.eb.evapfr, i.eb.eta
+</ul>
+
+(for time integration: i.evapo.time_integration)
+
+<p>For more details on the algorithms see [1][2][3].
+
+<H2>OPTIONS</H2>
+
+<H2>NOTES</H2>
+- z0m can be alculated by i.eb.z0m or i.eb.z0m0 (grass-addons).
+
+- ea can be calculated with standard meteorological data. 
+	eoTmin=0.6108*EXP(17.27*Tmin/(Tmin+237.3))
+	eoTmax=0.6108*EXP(17.27*Tmax/(Tmax+237.3))
+	ea=(RH/100)/((eoTmin+eoTmax)/2)
+
+- t0dem = surface temperature + (altitude * 0.627 / 100)
+
+
+
+<H2>SEE ALSO</H2>
+<ul>
+  <li><a href=i.eb.g0.html>i.eb.g0</a>,
+      <a href=i.eb.h_SEBAL01.html>i.eb.h_SEBAL01</a>,
+      <a href=i.eb.evapfr.html>i.eb.evapfr</a></li>
+</ul>
+
+
+<H2>REFERENCES</H2>
+
+  <p>[1] Bastiaanssen, W.G.M., 1995.
+  Estimation of Land surface paramters by remote sensing under clear-sky conditions. PhD thesis, Wageningen University, Wageningen, The Netherlands.
+
+  <p>[2] Chemin Y., Alexandridis T.A., 2001. Improving spatial resolution of ET seasonal for irrigated rice in Zhanghe, China}''. Asian Journal of Geoinformatics. 5(1):3-11,2004. 
+
+  <p>[3] Alexandridis T.K., Cherif I., Chemin Y., Silleos N.G., Stavrinos E., Zalidis G.C. Integrated methodology for estimating water use in Mediterranean agricultural areas. Remote Sensing. -(-):,2009. (submitted))
+
+
+<H2>AUTHORS</H2>
+  <p>
+  <i>
+   <br>Yann Chemin, International Rice Research Institute, Los Banos, The Philippines.
+  </i>
+  <p>Contact: <a href="mailto:yann.chemin@gmail.com"> Yann chemin</a>
+
+
+
+<p><i>Last changed: $Date$</i>
+</body>
+</html>

imagery/i.eb.h_SEBAL01/main.c

@@ -26,8 +26,6 @@
 #include <grass/gis.h>
 #include <grass/glocale.h>
 
-#define PI 3.14159265358979
-
 double **G_alloc_matrix(int rows, int cols)
 {
     double **m;
@@ -82,28 +80,29 @@ int main(int argc, char *argv[])
     G_gisinit(argv[0]);
 
     module = G_define_module();
-    module->description = _("Sensible Heat Flux iteration SEBAL 01");
+    module->description = _("Computes sensible Heat Flux iteration SEBAL 01");
+    module->keywords = _("imagery, evaporative fraction, soil moisture, energy balance, SEBAL");
 
     /* Define different options */
     input_Rn = G_define_standard_option(G_OPT_R_INPUT);
-    input_Rn->key = "Rn";
+    input_Rn->key = "rnet";
     input_Rn->description =
-	_("Name of instantaneous Net Radiation map [W/m2]");
+	_("Name of instantaneous Net Radiation raster map [W/m2]");
 
     input_g0 = G_define_standard_option(G_OPT_R_INPUT);
     input_g0->key = "g0";
     input_g0->description =
-	_("Name of instantaneous soil heat flux map [W/m2]");
+	_("Name of instantaneous soil heat flux raster map [W/m2]");
 
     input_z0m = G_define_standard_option(G_OPT_R_INPUT);
     input_z0m->key = "z0m";
     input_z0m->description =
-	_("Name of aerodynamic resistance to heat momentum [s/m]");
+	_("Name of aerodynamic resistance to heat momentum raster map [s/m]");
 
     input_t0dem = G_define_standard_option(G_OPT_R_INPUT);
     input_t0dem->key = "t0dem";
     input_t0dem->description =
-	_("Name of altitude corrected surface temperature [K]");
+	_("Name of altitude corrected surface temperature raster map [K]");
 
     input_ustar = G_define_option();
     input_ustar->key = "ustar";
@@ -118,7 +117,6 @@ int main(int argc, char *argv[])
     input_ea->key = "ea";
     input_ea->type = TYPE_DOUBLE;
     input_ea->required = YES;
-    input_ea->gisprompt = "old,value";
     input_ea->answer = "1.511";
     input_ea->description = _("Value of the actual vapour pressure [KPa]");
     input_ea->guisection = _("Parameters");
@@ -127,7 +125,6 @@ int main(int argc, char *argv[])
     input_row_wet->key = "row_wet";
     input_row_wet->type = TYPE_DOUBLE;
     input_row_wet->required = NO;
-    input_row_wet->gisprompt = "old,value";
     input_row_wet->description = _("Row value of the wet pixel");
     input_row_wet->guisection = _("Parameters");
 
@@ -135,7 +132,6 @@ int main(int argc, char *argv[])
     input_col_wet->key = "col_wet";
     input_col_wet->type = TYPE_DOUBLE;
     input_col_wet->required = NO;
-    input_col_wet->gisprompt = "old,value";
     input_col_wet->description = _("Column value of the wet pixel");
     input_col_wet->guisection = _("Parameters");
 
@@ -143,7 +139,6 @@ int main(int argc, char *argv[])
     input_row_dry->key = "row_dry";
     input_row_dry->type = TYPE_DOUBLE;
     input_row_dry->required = NO;
-    input_row_dry->gisprompt = "old,value";
     input_row_dry->description = _("Row value of the dry pixel");
     input_row_dry->guisection = _("Parameters");
 
@@ -151,13 +146,12 @@ int main(int argc, char *argv[])
     input_col_dry->key = "col_dry";
     input_col_dry->type = TYPE_DOUBLE;
     input_col_dry->required = NO;
-    input_col_dry->gisprompt = "old,value";
     input_col_dry->description = _("Column value of the dry pixel");
     input_col_dry->guisection = _("Parameters");
 
     output = G_define_standard_option(G_OPT_R_OUTPUT);
-    output->description = _("Name of output sensible heat flux layer [W/m2]");
-
+    output->description = _("Name for output sensible heat flux raster map [W/m2]");
+    
     /* Define the different flags */
     flag2 = G_define_flag();
     flag2->key = 'a';
@@ -189,7 +183,7 @@ int main(int argc, char *argv[])
     if ((!input_row_wet->answer || !input_col_wet->answer ||
 	 !input_row_dry->answer || !input_col_dry->answer) &&
 	!flag2->answer) {
-	G_fatal_error(_("FATAL ERROR: either auto-mode either wet/dry pixels coordinates should be provided!"));
+	G_fatal_error(_("Either auto-mode either wet/dry pixels coordinates should be provided!"));
     }
     if (flag3->answer) {
 	G_message(_("Manual wet/dry pixels in image coordinates"));
@@ -200,27 +194,28 @@ int main(int argc, char *argv[])
 	G_message(_("Wet Pixel=> row:%.0f col:%.0f"), m_row_wet, m_col_wet);
 	G_message(_("Dry Pixel=> row:%.0f col:%.0f"), m_row_dry, m_col_dry);
     }
+
     /* check legal output name */
     if (G_legal_filename(h0) < 0)
-	G_fatal_error(_("[%s] is an illegal name"), h0);
+	G_fatal_error(_("<%s> is an illegal name"), h0);
 
     if ((infd_Rn = G_open_cell_old(Rn, "")) < 0)
-	G_fatal_error(_("Cannot open cell file [%s]"), Rn);
+	G_fatal_error(_("Unable to open raster map <%s>"), Rn);
     if ((infd_g0 = G_open_cell_old(g0, "")) < 0)
-	G_fatal_error(_("Cannot open cell file [%s]"), g0);
+	G_fatal_error(_("Unable to open raster map <%s>"), g0);
     if ((infd_z0m = G_open_cell_old(z0m, "")) < 0)
-	G_fatal_error(_("Cannot open cell file [%s]"), z0m);
+	G_fatal_error(_("Unable to open raster map <%s>"), z0m);
     if ((infd_t0dem = G_open_cell_old(t0dem, "")) < 0)
-	G_fatal_error(_("Cannot open cell file [%s]"), t0dem);
+	G_fatal_error(_("Unable to open raster map <%s>"), t0dem);
 
     if (G_get_cellhd(Rn, "", &cellhd) < 0)
-	G_fatal_error(_("Cannot read file header of [%s]"), Rn);
+	G_fatal_error(_("Unable to read header of raster map <%s>"), Rn);
     if (G_get_cellhd(g0, "", &cellhd) < 0)
-	G_fatal_error(_("Cannot read file header of [%s]"), g0);
+	G_fatal_error(_("Unable to read header of raster map <%s>"), g0);
     if (G_get_cellhd(z0m, "", &cellhd) < 0)
-	G_fatal_error(_("Cannot read file header of [%s]"), z0m);
+	G_fatal_error(_("Unable to read header of raster map <%s>"), z0m);
     if (G_get_cellhd(t0dem, "", &cellhd) < 0)
-	G_fatal_error(_("Cannot read file header of [%s]"), t0dem);
+	G_fatal_error(_("Unable to read header of raster map <%s>"), t0dem);
 
     /* Allocate input buffer */
     inrast_Rn = G_allocate_d_raster_buf();
@@ -248,16 +243,16 @@ int main(int argc, char *argv[])
     outrast = G_allocate_d_raster_buf();
 
     if ((outfd = G_open_raster_new(h0, DCELL_TYPE)) < 0)
-	G_fatal_error(_("Could not open <%s>"), h0);
+	G_fatal_error(_("Unable to create raster map <%s>"), h0);
 
     /***************************************************/
     /* Allocate memory for temporary images            */
     double **d_Roh, **d_Rah;
 
     if ((d_Roh = G_alloc_matrix(nrows, ncols)) == NULL)
-	G_message("cannot allocate memory for temporary d_Roh image");
+	G_message("Unable to allocate memory for temporary d_Roh image");
     if ((d_Rah = G_alloc_matrix(nrows, ncols)) == NULL)
-	G_message("cannot allocate memory for temporary d_Rah image");
+	G_message("Unable to allocate memory for temporary d_Rah image");
     /***************************************************/
 
     /* MANUAL T0DEM WET/DRY PIXELS */
@@ -281,11 +276,11 @@ int main(int argc, char *argv[])
 	    DCELL d_t0dem;
 	    G_percent(row, nrows, 2);
 	    if (G_get_d_raster_row(infd_t0dem,inrast_t0dem,row)<0)
-		G_fatal_error(_("Could not read from <%s>"),t0dem);
+	      G_fatal_error(_("Unable to read raster map <%s> row %d"), t0dem, row);
 	    if (G_get_d_raster_row(infd_Rn,inrast_Rn,row)<0)
-		G_fatal_error(_("Could not read from <%s>"),Rn);
+	      G_fatal_error(_("Unable to read raster map <%s> row %d"), Rn, row);
 	    if (G_get_d_raster_row(infd_g0,inrast_g0,row)<0)
-		G_fatal_error(_("Could not read from <%s>"),g0);
+	      G_fatal_error(_("Unable to read raster map <%s> row %d"), g0, row);
 	    /*process the data */
 	    for (col = 0; col < ncols; col++) {
 		d_t0dem = ((DCELL *) inrast_t0dem)[col];
@@ -326,15 +321,15 @@ int main(int argc, char *argv[])
 		}
 	    }
 	}
-	G_message("row_wet=%d\tcol_wet=%d\n", row_wet, col_wet);
-	G_message("row_dry=%d\tcol_dry=%d\n", row_dry, col_dry);
-	G_message("g0_wet=%f\n", d_g0_wet);
-	G_message("Rn_wet=%f\n", d_Rn_wet);
-	G_message("LE_wet=%f\n", d_Rn_wet - d_g0_wet);
-	G_message("t0dem_dry=%f\n", d_t0dem_dry);
-	G_message("rnet_dry=%f\n", d_Rn_dry);
-	G_message("g0_dry=%f\n", d_g0_dry);
-	G_message("h0_dry=%f\n", d_Rn_dry - d_g0_dry);
+	G_message("row_wet=%d\tcol_wet=%d", row_wet, col_wet);
+	G_message("row_dry=%d\tcol_dry=%d", row_dry, col_dry);
+	G_message("g0_wet=%f", d_g0_wet);
+	G_message("Rn_wet=%f", d_Rn_wet);
+	G_message("LE_wet=%f", d_Rn_wet - d_g0_wet);
+	G_message("t0dem_dry=%f", d_t0dem_dry);
+	G_message("rnet_dry=%f", d_Rn_dry);
+	G_message("g0_dry=%f", d_g0_dry);
+	G_message("h0_dry=%f", d_Rn_dry - d_g0_dry);
     }/* END OF FLAG2 */
 
 
@@ -354,11 +349,11 @@ int main(int argc, char *argv[])
     rowDry = row;
     colDry = col;
     if (G_get_d_raster_row(infd_Rn, inrast_Rn, row) < 0)
-	G_fatal_error(_("Could not read from <%s>"), Rn);
+	G_fatal_error(_("Unable to read raster map <%s> row %d"), Rn, row);
     if (G_get_d_raster_row(infd_g0, inrast_g0, row) < 0)
-	G_fatal_error(_("Could not read from <%s>"), g0);
+	G_fatal_error(_("Unable to read raster map <%s> row %d"), g0, row);
     if (G_get_d_raster_row(infd_t0dem, inrast_t0dem, row) < 0)
-	G_fatal_error(_("Could not read from <%s>"), t0dem);
+	G_fatal_error(_("Unable to read raster map <%s> row %d"), t0dem, row);
     d_Rn_dry = ((DCELL *) inrast_Rn)[col];
     d_g0_dry = ((DCELL *) inrast_g0)[col];
     d_t0dem_dry = ((DCELL *) inrast_t0dem)[col];
@@ -377,7 +372,7 @@ int main(int argc, char *argv[])
     rowWet = row;
     colWet = col;
     if (G_get_d_raster_row(infd_t0dem, inrast_t0dem, row) < 0)
-	G_fatal_error(_("Could not read from <%s>"), t0dem);
+	G_fatal_error(_("Unable to read raster map <%s> row %d"), t0dem, row);
     d_t0dem_wet = ((DCELL *) inrast_t0dem)[col];
     /* END OF MANUAL WET/DRY PIXELS */
     double h_dry;
@@ -399,9 +394,9 @@ int main(int argc, char *argv[])
 	G_percent(row, nrows, 2);
 	/* read a line input maps into buffers */
 	if (G_get_d_raster_row(infd_z0m, inrast_z0m, row) < 0)
-	    G_fatal_error(_("Could not read from <%s>"), z0m);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"), z0m, row);
 	if (G_get_d_raster_row(infd_t0dem, inrast_t0dem,row)<0)
-	    G_fatal_error(_("Could not read from <%s>"), t0dem);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"), t0dem, row);
 	/* read every cell in the line buffers */
 	for (col = 0; col < ncols; col++) {
             d_z0m = ((DCELL *) inrast_z0m)[col];
@@ -462,9 +457,9 @@ int main(int argc, char *argv[])
 	G_percent(row, nrows, 2);
 	/* read a line input maps into buffers */
 	if (G_get_d_raster_row(infd_z0m, inrast_z0m, row) < 0)
-	    G_fatal_error(_("Could not read from <%s>"), z0m);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"), z0m, row);
 	if (G_get_d_raster_row(infd_t0dem, inrast_t0dem,row)<0)
-	    G_fatal_error(_("Could not read from <%s>"), t0dem);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"), t0dem, row);
 	/* read every cell in the line buffers */
 	for (col = 0; col < ncols; col++) {
             d_z0m = ((DCELL *) inrast_z0m)[col];
@@ -483,7 +478,7 @@ int main(int argc, char *argv[])
 		}
 		d_L =-1004*d_roh1*pow(ustar,3)*d_t0dem/(d_h1*9.81*0.41);
 		d_x = pow((1-16*(5/d_L)),0.25);
-		d_psim =2*log((1+d_x)/2)+log((1+pow(d_x,2))/2)-2*atan(d_x)+0.5*PI;
+		d_psim =2*log((1+d_x)/2)+log((1+pow(d_x,2))/2)-2*atan(d_x)+0.5*M_PI;
 		d_psih =2*log((1+pow(d_x,2))/2);
 		d_u5 =(ustar/0.41)*log(5/d_z0m);
 		d_rah2 = (1/(d_u5*pow(0.41,2)))*log((5/d_z0m)-d_psim)
@@ -531,9 +526,9 @@ int main(int argc, char *argv[])
 	G_percent(row, nrows, 2);
 	/* read a line input maps into buffers */
 	if (G_get_d_raster_row(infd_z0m,inrast_z0m,row)<0)
-	    G_fatal_error(_("Could not read from <%s>"), z0m);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"), z0m, row);
 	if (G_get_d_raster_row(infd_t0dem,inrast_t0dem,row)<0)
-	    G_fatal_error(_("Could not read from <%s>"), t0dem);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"), t0dem, row);
 	/* read every cell in the line buffers */
 	for (col = 0; col < ncols; col++) {
             d_z0m = ((DCELL *) inrast_z0m)[col];
@@ -553,7 +548,7 @@ int main(int argc, char *argv[])
 		d_L =-1004*d_roh1*pow(ustar,3)*d_t0dem/(d_h2*9.81*0.41);
 		d_x = pow((1 - 16 * (5 / d_L)), 0.25);
 		d_psim =2*log((1+d_x)/2)+log((1+pow(d_x,2))/2)-
-		    2*atan(d_x)+0.5*PI;
+		    2*atan(d_x)+0.5*M_PI;
 		d_psih =2*log((1+pow(d_x,2))/2);
 		d_u5 =(ustar/0.41)*log(5/d_z0m);
 		d_rah3=(1/(d_u5*pow(0.41,2)))*log((5/d_z0m)-d_psim)*
@@ -601,9 +596,9 @@ int main(int argc, char *argv[])
 	G_percent(row, nrows, 2);
 	/* read a line input maps into buffers */
 	if (G_get_d_raster_row(infd_z0m, inrast_z0m, row) < 0)
-	    G_fatal_error(_("Could not read from <%s>"), z0m);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"), z0m, row);
 	if (G_get_d_raster_row(infd_t0dem,inrast_t0dem,row)<0)
-	    G_fatal_error(_("Could not read from <%s>"), t0dem);
+	    G_fatal_error(_("Unable to read raster map <%s> row %d"), t0dem, row);
 	/* read every cell in the line buffers */
 	for (col = 0; col < ncols; col++) {
             d_z0m = ((DCELL *) inrast_z0m)[col];
@@ -630,7 +625,7 @@ int main(int argc, char *argv[])
 	    }
 	}
 	if (G_put_d_raster_row(outfd, outrast) < 0)
-	    G_fatal_error("Cannot write to output file <%s>", h0);
+	    G_fatal_error("Failed writing raster map <%s>", h0);
     }