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Geografic-In...
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display
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d.histogram
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pie.h

pie.h 1.8 KB
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  1. /*
    2. 

  2.  * pie.h
    3. 

  3.  *
    4. 

  4.  */
    5. 

  5. 

  6. /* not available in SysV 
    7. 

  7.  * #include "strings.h"
    8. 

  8.  */
    9. 

  9. #include <grass/gis.h>
    10. 

  10. #include "options.h"
    11. 

  11. #include "dhist.h"
    12. 

  12. 

  13. /*******************************************************************
    14. 

  14.  *
    15. 

  15.  *
    16. 

  16.  *  <cell-file name> in mapset <mapset name>     <---- the title
    17. 

  17.  *
    18. 

  18.  *                    ......
    19. 

  19.  *                 ............
    20. 

  20.  *               .................
    21. 

  21.  *             .....................
    22. 

  22.  *           ........................
    23. 

  23.  *           ........................
    24. 

  24.  *           ...........*............            <----- the pie
    25. 

  25.  *           ........................
    26. 

  26.  *           ........................
    27. 

  27.  *             ....................
    28. 

  28.  *               ................
    29. 

  29.  *                 ............
    30. 

  30.  *                   .......
    31. 

  31.  * 
    32. 

  32.  *   [][][][][][][][][][][][][][][][][][][][]    <---- the category  
    33. 

  33.  *   ---+----+----+----+----+----+----+----+-        number legend
    34. 

  34.  *      n1   n2   n3   n4                  nn
    35. 

  35.  *
    36. 

  36.  *   Category values in <tic-mark number units>  <--- legend label
    37. 

  37.  *
    38. 

  38.  *
    39. 

  39.  *******************************************************************
    40. 

  40.  */
    41. 

  41. 

  42. float rem();			/* remainder function */
    43. 

  43. 

  44. /* normalized coordinates & dimensions of pie-chart components */
    45. 

  45. 

  46. /* origin */
    47. 

  47. #define ORIGIN_X	0.5
    48. 

  48. #define ORIGIN_Y	0.59
    49. 

  49. 

  50. #define BAR_X1		0.13
    51. 

  51. #define BAR_X2		0.87
    52. 

  52. #define BAR_Y1		0.17
    53. 

  53. #define BAR_Y2		0.23
    54. 

  54. 

  55. /* radius of pie */
    56. 

  56. #define RADIUS		0.25
    57. 

  57. 

  58. /* height of legend "color-bar" */
    59. 

  59. #define BAR_HEIGHT	BAR_Y2-BAR_Y1
    60. 

  60. 

  61. /* minimum distance between numbered tic-marks on legend */
    62. 

  62. #define XTIC_DIST	40
    63. 

  63. 

  64. /* sizes of legend tic-marks */
    65. 

  65. #define BIG_TIC		0.025
    66. 

  66. #define SMALL_TIC	0.015
    67. 

  67. 

  68. /* y-coordinate of legend label */
    69. 

  69. #define LABEL		0.03
    70. 

  70. 

  71. /* y-coordinate of legend tic-mark numbers */
    72. 

  72. #define XNUMS_Y         0.09
    73. 

  73. 

  74. /* text width and height */
    75. 

  75. #define TEXT_HEIGHT	0.05
    76. 

  76. #define TEXT_WIDTH	TEXT_HEIGHT*0.5
    77. 

  77. 

  78. extern struct units tics[];
    79. 

  79.