update to gmt6 and change to cmake

CMakeLists.txt

@@ -2,12 +2,14 @@ cmake_minimum_required(VERSION 3.15.2 FATAL_ERROR)
 
 project(GMT_API_EX VERSION 0.1.0 LANGUAGES CXX)
 
-include_directories("/usr/local/include/gmt")
+include_directories(/usr/local/include/gmt)
-find_library(${GMT_LIB} gmt "/usr/local/lib")
+find_library(GMT_LIB gmt /usr/local/lib)
 
 macro(add_example name file)
 	add_executable(${name} ${file}.cpp)
 	target_link_libraries(${name} PUBLIC ${GMT_LIB})
 endmacro()
 
-add_example(ex1 example1/gridding)
+add_example(ex1 src/gridding)
+add_example(ex2 src/plot_grid)
+add_example(ex3 src/plot_memory)

README.md

@@ -8,10 +8,15 @@ For those who wants to know more, please go to [GMT_site](https://www.generic-ma
 
 ## What are these examples?
 
-* **example1**: call a GMT module to gridding a table data.
+* **griding**: call a GMT module to griding a table data.
-* **example2**: read a grid file and call GMT modules to plot the grid to an image file.
+* **plot_grid**: read a grid file and call GMT modules to plot the grid to an image file.
-* **example3**: create a GMT grid container and call GMT modules to plot the grid to an image file.
+* **plot_memory**: create a GMT grid container and call GMT modules to plot the grid to an image file.
 
 ## How to run the examples?
 
-Simply go to a example folder and run the `compile.sh`.
+Compile the executables and then run sequentially.
+
+```shell
+mkdir build && cd build && cmake .. && make
+```
+

data/ex2.eps

@@ -1,11 +1,11 @@
 %!PS-Adobe-3.0
 %%BoundingBox: 0 0 159 156
 %%HiResBoundingBox: 0 0 158.8500 155.9520
-%%Title: GMT v6.0.0 [64-bit] Document from grdimage
+%%Title: GMT v6.1.1 [64-bit] Document from grdimage
 %%Creator: GMT6
 %%For: unknown
 %%DocumentNeededResources: font Helvetica Times-Roman
-%%CreationDate: Fri Sep  4 10:11:40 2020
+%%CreationDate: Sun Jan 10 14:45:17 2021
 %%LanguageLevel: 2
 %%DocumentData: Clean7Bit
 %%Orientation: Portrait
@@ -654,7 +654,8 @@ V 0.06 0.06 scale
 /PSL_page_xsize 9917 def
 /PSL_page_ysize 14033 def
 /PSL_plot_completion {} def
-/PSL_movie_completion {} def
+/PSL_movie_label_completion {} def
+/PSL_movie_prog_indicator_completion {} def
 %PSL_End_Header
 gsave
 0 A
@@ -662,12 +663,12 @@ FQ
 O0
 1800 1800 TM
 % PostScript produced by:
-%@GMT: gmt grdimage @GMTAPI@-000000 -R0/1000/0/1000 -Cuser.cpt '-Bxag+lx (m)' '-Byag+ly (m)' -JX1.5i/1.5i -X1.5i -Y1.5i -K -P --MAP_FRAME_AXES=WesNZ user.ps
+%@GMT: gmt grdimage @GMTAPI@-S-I-G-G-G-N-000000 -R0/1000/0/1000 -C../data/ex2.cpt '-Bxag+lx (m)' '-Byag+ly (m)' -JX1.5i/1.5i -X1.5i -Y1.5i -K -P --MAP_FRAME_AXES=WesNZ ../data/ex2.ps
 %@PROJ: xy 0.00000000 1000.00000000 0.00000000 1000.00000000 0.000 1000.000 0.000 1000.000 +xy
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 0 setlinecap
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-3.32551 setmiterlimit
+3.32550952342 setmiterlimit
 clipsave
 0 0 M
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@@ -953,6 +954,7 @@ N 1440 1783 M 0 34 D S
 N 1783 1800 M 34 0 D S
 N 1800 1783 M 0 34 D S
 PSL_cliprestore
+/PSL_slant_y 0 def
 2 setlinecap
 N 0 1800 M 0 -1800 D S
 /PSL_A0_y 17 def
@@ -964,8 +966,8 @@ N 0 1080 M -17 0 D S
 N 0 1440 M -17 0 D S
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 PSL_font_encode 4 get 0 eq {ISOLatin1+_Encoding /Times-Roman /Times-Roman PSL_reencode PSL_font_encode 4 1 put} if
-/PSL_AH0 0
 /MM {neg exch M} def
+/PSL_AH0 0
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@@ -1024,8 +1026,8 @@ N 720 0 M 0 17 D S
 N 1080 0 M 0 17 D S
 N 1440 0 M 0 17 D S
 N 1800 0 M 0 17 D S
-/PSL_AH0 0
 /MM {M} def
+/PSL_AH0 0
 (0) sh mx
 (200) sh mx
 (400) sh mx
@@ -1059,12 +1061,12 @@ FQ
 O0
 0 0 TM
 % PostScript produced by:
-%@GMT: gmt psscale -Dx0.1i/-0.2i+w1.3i/0.05i+h -Cuser.cpt -Bxa -By+lm -O >user.ps
+%@GMT: gmt psscale -Dx0.1i/-0.2i+w1.3i/0.05i+h -C../data/ex2.cpt -Bxa -By+lm -O >../data/ex2.ps
 %@PROJ: xy -668.08288574 -39.34982681 0.00000000 0.05000000 -668.083 -39.350 0.000 0.050 +xy
 %%BeginObject PSL_Layer_2
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 0 setlinejoin
-3.32551 setmiterlimit
+3.32550952342 setmiterlimit
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@@ -1097,8 +1099,8 @@ N 0 0 M 1560 0 D S
 N 169 0 M 0 -17 D S
 N 665 0 M 0 -17 D S
 N 1161 0 M 0 -17 D S
-/PSL_AH0 0
 /MM {neg M} def
+/PSL_AH0 0
 PSL_font_encode 4 get 0 eq {ISOLatin1+_Encoding /Times-Roman /Times-Roman PSL_reencode PSL_font_encode 4 1 put} if
 175 F4
 (-600) sh mx
@@ -1118,7 +1120,8 @@ def
 -120 240 T
 %%EndObject
 grestore
-PSL_movie_completion /PSL_movie_completion {} def
+PSL_movie_label_completion /PSL_movie_label_completion {} def
+PSL_movie_prog_indicator_completion /PSL_movie_prog_indicator_completion {} def
 %PSL_Begin_Trailer
 %%PageTrailer
 U

data/ex3.eps

@@ -1,11 +1,11 @@
 %!PS-Adobe-3.0
 %%BoundingBox: 0 0 146 156
 %%HiResBoundingBox: 0 0 145.7280 155.9520
-%%Title: GMT v6.0.0 [64-bit] Document from grdimage
+%%Title: GMT v6.1.1 [64-bit] Document from grdimage
 %%Creator: GMT6
 %%For: unknown
 %%DocumentNeededResources: font Helvetica Times-Roman
-%%CreationDate: Fri Sep  4 10:14:23 2020
+%%CreationDate: Sun Jan 10 14:45:19 2021
 %%LanguageLevel: 2
 %%DocumentData: Clean7Bit
 %%Orientation: Portrait
@@ -654,7 +654,8 @@ V 0.06 0.06 scale
 /PSL_page_xsize 9917 def
 /PSL_page_ysize 14033 def
 /PSL_plot_completion {} def
-/PSL_movie_completion {} def
+/PSL_movie_label_completion {} def
+/PSL_movie_prog_indicator_completion {} def
 %PSL_End_Header
 gsave
 0 A
@@ -662,12 +663,12 @@ FQ
 O0
 600 600 TM
 % PostScript produced by:
-%@GMT: gmt grdimage @GMTAPI@-000000 -R0/100/0/80 -Cuser.cpt '-Bxag+lx (m)' '-Byag+ly (m)' -JX1.5i/1.5i -X0.5i -Y0.5i -K -P --MAP_FRAME_AXES=WesNZ user.ps
+%@GMT: gmt grdimage @GMTAPI@-S-I-G-G-G-N-000000 -R0/100/0/80 -C../data/ex3.cpt '-Bxag+lx (m)' '-Byag+ly (m)' -JX1.5i/1.5i -X0.5i -Y0.5i -K -P --MAP_FRAME_AXES=WesNZ ../data/ex3.ps
 %@PROJ: xy 0.00000000 100.00000000 0.00000000 80.00000000 0.000 100.000 0.000 80.000 +xy
 %%BeginObject PSL_Layer_1
 0 setlinecap
 0 setlinejoin
-3.32551 setmiterlimit
+3.32550952342 setmiterlimit
 clipsave
 0 0 M
 1800 0 D
@@ -862,6 +863,7 @@ N 1440 1783 M 0 34 D S
 N 1783 1800 M 34 0 D S
 N 1800 1783 M 0 34 D S
 PSL_cliprestore
+/PSL_slant_y 0 def
 2 setlinecap
 N 0 1800 M 0 -1800 D S
 /PSL_A0_y 17 def
@@ -872,8 +874,8 @@ N 0 900 M -17 0 D S
 N 0 1350 M -17 0 D S
 N 0 1800 M -17 0 D S
 PSL_font_encode 4 get 0 eq {ISOLatin1+_Encoding /Times-Roman /Times-Roman PSL_reencode PSL_font_encode 4 1 put} if
-/PSL_AH0 0
 /MM {neg exch M} def
+/PSL_AH0 0
 175 F4
 (0) sw mx
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@@ -928,8 +930,8 @@ N 720 0 M 0 17 D S
 N 1080 0 M 0 17 D S
 N 1440 0 M 0 17 D S
 N 1800 0 M 0 17 D S
-/PSL_AH0 0
 /MM {M} def
+/PSL_AH0 0
 (0) sh mx
 (20) sh mx
 (40) sh mx
@@ -963,12 +965,12 @@ FQ
 O0
 0 0 TM
 % PostScript produced by:
-%@GMT: gmt psscale -Dx0.1i/-0.2i+w1.3i/0.05i+h -Cuser.cpt -Bxa -By+lm -O >user.ps
+%@GMT: gmt psscale -Dx0.1i/-0.2i+w1.3i/0.05i+h -C../data/ex3.cpt -Bxa -By+lm -O >../data/ex3.ps
 %@PROJ: xy 0.00000000 8000.00000000 0.00000000 0.05000000 0.000 8000.000 0.000 0.050 +xy
 %%BeginObject PSL_Layer_2
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 0 setlinejoin
-3.32551 setmiterlimit
+3.32550952342 setmiterlimit
 120 -240 T
 4 W
 V N 0 0 T 1560 60 scale /DeviceRGB setcolorspace
@@ -1004,8 +1006,8 @@ N 390 0 M 0 -17 D S
 N 780 0 M 0 -17 D S
 N 1170 0 M 0 -17 D S
 N 1560 0 M 0 -17 D S
-/PSL_AH0 0
 /MM {neg M} def
+/PSL_AH0 0
 PSL_font_encode 4 get 0 eq {ISOLatin1+_Encoding /Times-Roman /Times-Roman PSL_reencode PSL_font_encode 4 1 put} if
 175 F4
 (0) sh mx
@@ -1031,7 +1033,8 @@ def
 -120 240 T
 %%EndObject
 grestore
-PSL_movie_completion /PSL_movie_completion {} def
+PSL_movie_label_completion /PSL_movie_label_completion {} def
+PSL_movie_prog_indicator_completion /PSL_movie_prog_indicator_completion {} def
 %PSL_Begin_Trailer
 %%PageTrailer
 U

example1/compile.sh

@@ -1,6 +0,0 @@
-#!/bin/bash
-
-inc=`gmt-config --cflags`
-lib=`gmt-config --libs`
-g++ gridding.cpp $inc $lib -o gridding
-#./gridding

example1/gmt.history

@@ -1,4 +0,0 @@
-# GMT 6 Session common arguments shelf
-BEGIN GMT 6.1.1
-R	0/1000/0/1000
-END

example2/compile.sh

@@ -1,6 +0,0 @@
-#!/bin/bash
-
-inc=`gmt-config --cflags`
-lib=`gmt-config --libs`
-g++ plot_grid.cpp $inc $lib -o plot_grid
-./plot_grid

example3/compile.sh

@@ -1,6 +0,0 @@
-#!/bin/bash
-
-inc=`gmt-config --cflags`
-lib=`gmt-config --libs`
-g++ plot_memory.cpp $inc $lib -o plot_memory
-./plot_memory

src/gridding.cpp

@@ -1,11 +1,12 @@
 #include "gmt.h"
 #include "iostream"
 #include "string"
+#include "unistd.h"
 
 int main(int argc, char *argv[])
 {
-	std::string table_name = "table.txt";
+	std::string table_name = "../data/table.txt";
-	std::string grid_name = "table.nc";
+	std::string grid_name = "../data/table.nc";
 
 	// Initiate a new GMT session
 	void *API = GMT_Create_Session("gridding_example", 2U, 0, NULL);
@@ -44,5 +45,13 @@ int main(int argc, char *argv[])
 
 	// end the GMT session
 	GMT_Destroy_Session(API);
+
+	// if exist, delete
+	std::string hist_file = "gmt.history";
+	std::string conf_file = "gmt.conf";
+	if (!access(hist_file.c_str(), F_OK))
+		remove(hist_file.c_str());
+	if (!access(conf_file.c_str(), F_OK))
+		remove(conf_file.c_str());
 	return 0;
 }

src/plot_grid.cpp

@@ -6,8 +6,8 @@
 
 int main(int argc, char *argv[])
 {
-	std::string cpt_file = "user.cpt";
+	std::string cpt_file = "../data/ex2.cpt";
-	std::string ps_file = "user.ps";
+	std::string ps_file = "../data/ex2.ps";
 
 	// Initiate a new GMT session
 	// you need to destroy the session later
@@ -15,7 +15,7 @@ int main(int argc, char *argv[])
 
 	struct GMT_GRID *G = reinterpret_cast<GMT_GRID*>(
 		GMT_Read_Data (API, GMT_IS_GRID, GMT_IS_FILE, GMT_IS_SURFACE, 
-			GMT_READ_NORMAL, NULL, "table.nc", NULL));
+			GMT_READ_NORMAL, NULL, "../data/table.nc", NULL));
 
 	// start the plotting
 	// 1. set GMT defaults
@@ -33,7 +33,7 @@ MAP_ANNOT_OFFSET_PRIMARY=2.5p";
 	GMT_Call_Module (API, "gmtset", GMT_MODULE_CMD, (char*) args_defaults.c_str());
 
 	// load the grid to a virtual file for plotting
-	char grid_name[GMT_STR16] = {""};
+	char grid_name[GMT_VF_LEN] = {""};
 	GMT_Open_VirtualFile (API, GMT_IS_GRID, GMT_IS_SURFACE, GMT_IN, G, grid_name);
 	// get string type of grid name
 	std::string grid_name_str = grid_name;

src/plot_memory.cpp

@@ -6,8 +6,8 @@
 
 int main(int argc, char *argv[])
 {
-	std::string cpt_file = "user.cpt";
+	std::string cpt_file = "../data/ex3.cpt";
-	std::string ps_file = "user.ps";
+	std::string ps_file = "../data/ex3.ps";
 
 	// Initiate a new GMT session
 	// you need to destroy the session later
@@ -62,7 +62,7 @@ MAP_ANNOT_OFFSET_PRIMARY=2.5p";
 	GMT_Call_Module (API, "gmtset", GMT_MODULE_CMD, (char*) args_defaults.c_str());
 
 	// load the grid to a virtual file for plotting
-	char grid_name[GMT_STR16] = {""};
+	char grid_name[GMT_VF_LEN] = {""};
 	GMT_Open_VirtualFile (API, GMT_IS_GRID, GMT_IS_SURFACE, GMT_IN, G, grid_name);
 	// get string type of grid name
 	std::string grid_name_str = grid_name;