/usr/share/ncarg/tests/tezmpa.f is in libncarg-data 6.3.0-6build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 | PROGRAM TEZMPA
C
C Define the error file, the Fortran unit number, the workstation type,
C and the workstation ID to be used in calls to GKS routines.
C
C PARAMETER (IERRF=6, LUNIT=2, IWTYPE=1, IWKID=1) ! NCGM
C PARAMETER (IERRF=6, LUNIT=2, IWTYPE=8, IWKID=1) ! X Windows
C PARAMETER (IERRF=6, LUNIT=2, IWTYPE=11, IWKID=1) ! PDF
C PARAMETER (IERRF=6, LUNIT=2, IWTYPE=20, IWKID=1) ! PostScript
C
PARAMETER (IERRF=6, LUNIT=2, IWTYPE=1, IWKID=1)
C
C Open GKS, open workstation of type 1, activate workstation.
C
CALL GOPKS (IERRF,ISZDM)
CALL GOPWK (IWKID,LUNIT,IWTYPE)
CALL GACWK (IWKID)
C
C Invoke demo driver.
C
CALL EZMPA (IERR,IWKID)
C
C Deactivate and close workstation, close GKS.
C
CALL GDAWK (IWKID)
CALL GCLWK (IWKID)
CALL GCLKS
C
STOP
C
END
SUBROUTINE EZMPA (IERR,IWKID)
C
C PURPOSE To provide a simple demonstration of the use
C of EZMAPA.
C
C USAGE CALL EZMPA (IERR,IWKID)
C
C ARGUMENTS
C
C ON OUTPUT IERR
C
C an error parameter
C = 0, if the test is successful,
C = 1, otherwise
C
C I/O If the test is successful, the message
C
C EZMAPA TEST EXECUTED--SEE PLOTS TO CERTIFY
C
C is written on unit 6.
C
C PRECISION Single.
C
C REQUIRED LIBRARY EZMAP, EZMAPA, AREAS, SPPS
C FILES
C
C REQUIRED GKS LEVEL 0A
C
C LANGUAGE FORTRAN
C
C HISTORY Written in June, 1987.
C
C ALGORITHM TEZMPA draws a solid-color map of a portion
C of Europe.
C
C PORTABILITY FORTRAN 77
C
C
C Define an array in which to construct the area map.
C
DIMENSION IAMA(25000)
C
C Dimension the arrays needed by ARSCAM and ARDRLN for x/y coordinates.
C
DIMENSION XCRA(210),YCRA(210)
C
C Dimension the arrays needed by ARSCAM and ARDRLN for area and group
C identifiers.
C
DIMENSION IAAI(2),IAGI(2)
C
C Define the RGB color triples needed below.
C
DIMENSION RGB(3,14)
C
C Define a set of indices to order the colors.
C
DIMENSION IOC(14)
C
C Declare the routine which will color the areas.
C
EXTERNAL COLRAM
C
C Declare the routine which will draw lines of latitude and longitude
C over water.
C
EXTERNAL COLRLN
C
DATA IOC / 6,2,5,12,10,11,1,3,4,8,9,7,13,14 /
C
DATA RGB / 0.70 , 0.70 , 0.70 ,
+ 0.75 , 0.50 , 1.00 ,
+ 0.50 , 0.00 , 1.00 ,
+ 0.00 , 0.00 , 1.00 ,
+ 0.00 , 0.50 , 1.00 ,
+ 0.00 , 1.00 , 1.00 ,
+ 0.00 , 1.00 , 0.60 ,
+ 0.00 , 1.00 , 0.00 ,
+ 0.70 , 1.00 , 0.00 ,
+ 1.00 , 1.00 , 0.00 ,
+ 1.00 , 0.75 , 0.00 ,
+ 1.00 , 0.38 , 0.38 ,
+ 1.00 , 0.00 , 0.38 ,
+ 1.00 , 0.00 , 0.00 /
C
C Force solid fill.
C
CALL GSFAIS (1)
C
C Define 15 different color indices. The first 14 are spaced through
C the color spectrum and the final one is black.
C
DO 101 J=1,14
I=IOC(J)
CALL GSCR (IWKID,J,RGB(1,I),RGB(2,I),RGB(3,I))
101 CONTINUE
C
C Set color index 15 to black.
C
CALL GSCR (IWKID,15,0.,0.,0.)
C
C Set up EZMAP.
C
CALL MAPSTI ('MV',1)
CALL MAPSTC ('OU','PO')
CALL MAPROJ ('ME',0.,0.,0.)
CALL MAPSET ('CO',30.,-15.,60.,30.)
C
C Make MAPBLA use 1 and 2 as the group identifiers.
C
CALL MAPSTI ('G1',1)
CALL MAPSTI ('G2',2)
C
C Use 5 vertical strips to reduce the number of points defining the
C sub-areas.
C
CALL MAPSTI ('VS',5)
C
C Initialize EZMAP.
C
CALL MAPINT
C
C Initialize the area map.
C
CALL ARINAM (IAMA,25000)
C
C Add edges to the area map.
C
CALL MAPBLA (IAMA)
C
C Pre-process the area map.
C
CALL ARPRAM (IAMA,0,0,0)
C
C Compute and print the amount of space used in the area map.
C
ISU=IAMA(1)-(IAMA(6)-IAMA(5)-1)
PRINT * , 'SPACE USED IN AREA MAP IS ',ISU
C
C Color the map.
C
CALL ARSCAM (IAMA,XCRA,YCRA,210,IAAI,IAGI,2,COLRAM)
C
C Flush PLOTIT's buffers and set polyline color index to black.
C
CALL PLOTIT (0,0,0)
CALL GSPLCI (15)
C
C In black, draw a perimeter and outline all the countries.
C
CALL MAPSTI ('LA',0)
CALL MAPSTI ('MV',1)
CALL MAPLBL
CALL MAPLOT
C
C Draw lines of latitude and longitude over water.
C
CALL MAPGRM (IAMA,XCRA,YCRA,210,IAAI,IAGI,2,COLRLN)
C
C Advance the frame.
C
CALL FRAME
C
C Done.
C
IERR=0
WRITE (6,1001)
C
RETURN
C
1001 FORMAT (' EZMAPA TEST EXECUTED--SEE PLOTS TO CERTIFY')
C
END
SUBROUTINE COLRAM (XCRA,YCRA,NCRA,IAAI,IAGI,NGPS)
C
DIMENSION XCRA(*),YCRA(*),IAAI(*),IAGI(*)
C
C This is the routine that color-fills the areas defined by the area map.
C First, ITMP is set non-zero if and only if no area identifiers for the
C area are negative.
C
ITMP=1
C
DO 101 I=1,NGPS
IF (IAAI(I).LT.0) ITMP=0
101 CONTINUE
C
C Then, if ITMP is non-zero (which says that we really do want to color-
C fill the area) ...
C
IF (ITMP.NE.0) THEN
C
C set ITMP to equal to the value of the area identifier for the area
C relative to group 1 and ...
C
ITMP=0
C
DO 102 I=1,NGPS
IF (IAGI(I).EQ.1) ITMP=IAAI(I)
102 CONTINUE
C
C if that area identifier is greater than zero, ...
C
IF (ITMP.GT.0) THEN
C
C find the index of the suggested color for the area, set the fill area
C color index, and fill the area.
C
CALL GSFACI (MAPACI(ITMP))
C
CALL GFA (NCRA-1,XCRA,YCRA)
C
END IF
C
END IF
C
RETURN
C
END
SUBROUTINE COLRLN (XCRA,YCRA,NCRA,IAAI,IAGI,NGPS)
C
DIMENSION XCRA(*),YCRA(*),IAAI(*),IAGI(*)
C
C This is the routine that draws lines of latitude and longitude over
C water only. First, ITMP is set non-zero if and only if no area
C identifiers for the area are negative.
C
ITMP=1
C
DO 101 I=1,NGPS
IF (IAAI(I).LT.0) ITMP=0
101 CONTINUE
C
C Then, if ITMP is non-zero (which says that we really do want to draw
C things in the area) ...
C
IF (ITMP.NE.0) THEN
C
C set ITMP to equal to the value of the area identifier for the area
C relative to group 1 (EZMAP lines) ...
C
ITMP=0
C
DO 102 I=1,NGPS
IF (IAGI(I).EQ.1) ITMP=IAAI(I)
102 CONTINUE
C
C if the suggested color for the area implies that it is over water
C (the color index 1 is used only for water) ...
C
IF (MAPACI(ITMP).EQ.1) THEN
C
C flush PLOTIT's buffers, set the polyline color index to black, and
C draw the line.
C
CALL PLOTIT (0,0,0)
CALL GSPLCI (15)
C
CALL GPL (NCRA,XCRA,YCRA)
C
END IF
C
END IF
C
RETURN
C
END
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