[2798] | 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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[1429] | 2 | #include <float.h> |
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[1365] | 3 | #include <tcl.h> |
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| 4 | #include <Unirect.h> |
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[1429] | 5 | #include "RpField1D.h" |
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| 6 | #include "RpFieldRect3D.h" |
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[1462] | 7 | #include "Trace.h" |
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[1365] | 8 | |
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| 9 | extern int GetFloatFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, |
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| 10 | float *valuePtr); |
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| 11 | extern int GetAxisFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, int *indexPtr); |
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| 12 | |
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[1429] | 13 | static INLINE char * |
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| 14 | skipspaces(char *string) |
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| 15 | { |
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| 16 | while (isspace(*string)) { |
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| 17 | string++; |
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| 18 | } |
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| 19 | return string; |
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| 20 | } |
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| 21 | |
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| 22 | static INLINE char * |
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| 23 | getline(char **stringPtr, char *endPtr) |
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| 24 | { |
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| 25 | char *line, *p; |
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| 26 | |
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| 27 | line = skipspaces(*stringPtr); |
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| 28 | for (p = line; p < endPtr; p++) { |
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| 29 | if (*p == '\n') { |
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| 30 | *p++ = '\0'; |
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| 31 | *stringPtr = p; |
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| 32 | return line; |
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| 33 | } |
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| 34 | } |
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| 35 | *stringPtr = p; |
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| 36 | return line; |
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| 37 | } |
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| 38 | |
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[1469] | 39 | int |
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| 40 | Rappture::Unirect2d::ParseBuffer(Tcl_Interp *interp, Rappture::Buffer &buf) |
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| 41 | { |
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| 42 | Tcl_Obj *objPtr; |
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| 43 | objPtr = Tcl_NewStringObj(buf.bytes(), buf.size()); |
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| 44 | Tcl_Obj **objv; |
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| 45 | int objc; |
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| 46 | if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) { |
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| 47 | return NULL; |
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| 48 | } |
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| 49 | int result; |
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| 50 | result = LoadData(interp, objc, objv); |
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| 51 | Tcl_DecrRefCount(objPtr); |
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| 52 | if ((result != TCL_OK) || (!isInitialized())) { |
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| 53 | return TCL_ERROR; |
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| 54 | } |
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| 55 | return TCL_OK; |
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| 56 | } |
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| 57 | |
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| 58 | int |
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| 59 | Rappture::Unirect3d::ParseBuffer(Tcl_Interp *interp, Rappture::Buffer &buf) |
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| 60 | { |
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| 61 | Tcl_Obj *objPtr; |
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| 62 | objPtr = Tcl_NewStringObj(buf.bytes(), buf.size()); |
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| 63 | Tcl_Obj **objv; |
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| 64 | int objc; |
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| 65 | if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) { |
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| 66 | return NULL; |
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| 67 | } |
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| 68 | int result; |
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| 69 | result = LoadData(interp, objc, objv); |
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| 70 | Tcl_DecrRefCount(objPtr); |
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| 71 | if ((result != TCL_OK) || (!isInitialized())) { |
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| 72 | return TCL_ERROR; |
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| 73 | } |
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| 74 | return TCL_OK; |
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| 75 | } |
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| 76 | |
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[1365] | 77 | int |
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| 78 | Rappture::Unirect3d::LoadData(Tcl_Interp *interp, int objc, |
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| 79 | Tcl_Obj *const *objv) |
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| 80 | { |
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| 81 | int num[3], nValues; |
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| 82 | float min[3], max[3]; |
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| 83 | float *values; |
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| 84 | const char *units[4], *order; |
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| 85 | |
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| 86 | |
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[1510] | 87 | if ((objc-1) & 0x01) { |
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[1365] | 88 | Tcl_AppendResult(interp, Tcl_GetString(objv[0]), ": ", |
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[1462] | 89 | "wrong # of arguments: should be key-value pairs", |
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[1365] | 90 | (char *)NULL); |
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| 91 | return TCL_ERROR; |
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| 92 | } |
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| 93 | |
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| 94 | /* Default order is z, y, x. */ |
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| 95 | int axis1, axis2, axis3; |
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[1453] | 96 | axis1 = 0; /* X-axis */ |
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[1365] | 97 | axis2 = 1; /* Y-axis */ |
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[1453] | 98 | axis3 = 2; /* Z-axis */ |
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[1365] | 99 | |
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| 100 | values = NULL; |
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| 101 | num[0] = num[1] = num[2] = nValues = 0; |
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| 102 | min[0] = min[1] = min[2] = max[0] = max[1] = max[2] = 0.0f; |
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| 103 | order = units[0] = units[1] = units[2] = units[3] = NULL; |
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| 104 | |
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| 105 | int i; |
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| 106 | for (i = 1; i < objc; i += 2) { |
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| 107 | const char *string; |
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| 108 | char c; |
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| 109 | |
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| 110 | string = Tcl_GetString(objv[i]); |
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| 111 | c = string[0]; |
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| 112 | if ((c == 'x') && (strcmp(string, "xmin") == 0)) { |
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| 113 | if (GetFloatFromObj(interp, objv[i+1], min+2) != TCL_OK) { |
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| 114 | return TCL_ERROR; |
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| 115 | } |
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| 116 | } else if ((c == 'x') && (strcmp(string, "xmax") == 0)) { |
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| 117 | if (GetFloatFromObj(interp, objv[i+1], max+2) != TCL_OK) { |
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| 118 | return TCL_ERROR; |
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| 119 | } |
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| 120 | } else if ((c == 'x') && (strcmp(string, "xnum") == 0)) { |
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| 121 | if (Tcl_GetIntFromObj(interp, objv[i+1], num+2) != TCL_OK) { |
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| 122 | return TCL_ERROR; |
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| 123 | } |
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| 124 | if (num[2] <= 0) { |
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| 125 | Tcl_AppendResult(interp, "bad xnum value: must be > 0", |
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| 126 | (char *)NULL); |
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| 127 | return TCL_ERROR; |
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| 128 | } |
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| 129 | } else if ((c == 'x') && (strcmp(string, "xunits") == 0)) { |
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| 130 | units[2] = Tcl_GetString(objv[i+1]); |
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| 131 | } else if ((c == 'y') && (strcmp(string, "ymin") == 0)) { |
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| 132 | if (GetFloatFromObj(interp, objv[i+1], min+1) != TCL_OK) { |
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| 133 | return TCL_ERROR; |
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| 134 | } |
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| 135 | } else if ((c == 'y') && (strcmp(string, "ymax") == 0)) { |
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| 136 | if (GetFloatFromObj(interp, objv[i+1], max+1) != TCL_OK) { |
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| 137 | return TCL_ERROR; |
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| 138 | } |
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| 139 | } else if ((c == 'y') && (strcmp(string, "ynum") == 0)) { |
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| 140 | if (Tcl_GetIntFromObj(interp, objv[i+1], num+1) != TCL_OK) { |
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| 141 | return TCL_ERROR; |
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| 142 | } |
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| 143 | if (num[1] <= 0) { |
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| 144 | Tcl_AppendResult(interp, "bad ynum value: must be > 0", |
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| 145 | (char *)NULL); |
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| 146 | return TCL_ERROR; |
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| 147 | } |
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| 148 | } else if ((c == 'y') && (strcmp(string, "yunits") == 0)) { |
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| 149 | units[1] = Tcl_GetString(objv[i+1]); |
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| 150 | } else if ((c == 'z') && (strcmp(string, "zmin") == 0)) { |
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| 151 | if (GetFloatFromObj(interp, objv[i+1], min) != TCL_OK) { |
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| 152 | return TCL_ERROR; |
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| 153 | } |
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| 154 | } else if ((c == 'z') && (strcmp(string, "zmax") == 0)) { |
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| 155 | if (GetFloatFromObj(interp, objv[i+1], max) != TCL_OK) { |
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| 156 | return TCL_ERROR; |
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| 157 | } |
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| 158 | } else if ((c == 'z') && (strcmp(string, "znum") == 0)) { |
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| 159 | if (Tcl_GetIntFromObj(interp, objv[i+1], num) != TCL_OK) { |
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| 160 | return TCL_ERROR; |
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| 161 | } |
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| 162 | if (num[0] <= 0) { |
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| 163 | Tcl_AppendResult(interp, "bad znum value: must be > 0", |
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| 164 | (char *)NULL); |
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| 165 | return TCL_ERROR; |
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| 166 | } |
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| 167 | } else if ((c == 'z') && (strcmp(string, "zunits") == 0)) { |
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| 168 | units[0] = Tcl_GetString(objv[i+1]); |
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| 169 | } else if ((c == 'v') && (strcmp(string, "values") == 0)) { |
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| 170 | Tcl_Obj **vobj; |
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| 171 | |
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| 172 | if (Tcl_ListObjGetElements(interp, objv[i+1], &nValues, &vobj) |
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| 173 | != TCL_OK) { |
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| 174 | return TCL_ERROR; |
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| 175 | } |
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[1984] | 176 | _values = (float *)realloc(_values, sizeof(float) * nValues); |
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[1365] | 177 | int j; |
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| 178 | for (j = 0; j < nValues; j++) { |
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[1984] | 179 | if (GetFloatFromObj(interp, vobj[j], _values + j)!=TCL_OK) { |
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[1365] | 180 | return TCL_ERROR; |
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| 181 | } |
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| 182 | } |
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| 183 | } else if ((c == 'u') && (strcmp(string, "units") == 0)) { |
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[1429] | 184 | _vUnits = strdup(Tcl_GetString(objv[i+1])); |
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[1447] | 185 | } else if ((c == 'c') && (strcmp(string, "components") == 0)) { |
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| 186 | int n; |
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| 187 | |
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| 188 | if (Tcl_GetIntFromObj(interp, objv[i+1], &n) != TCL_OK) { |
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| 189 | return TCL_ERROR; |
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| 190 | } |
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| 191 | if (n <= 0) { |
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| 192 | Tcl_AppendResult(interp, "bad extents value: must be > 0", |
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| 193 | (char *)NULL); |
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| 194 | return TCL_ERROR; |
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| 195 | } |
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| 196 | _nComponents = n; |
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| 197 | } else if ((c == 'a') && (strcmp(string, "axisorder") == 0)) { |
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[1365] | 198 | Tcl_Obj **axes; |
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| 199 | int n; |
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| 200 | |
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| 201 | if (Tcl_ListObjGetElements(interp, objv[i+1], &n, &axes) |
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| 202 | != TCL_OK) { |
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| 203 | return TCL_ERROR; |
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| 204 | } |
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| 205 | if (n != 3) { |
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| 206 | return TCL_ERROR; |
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| 207 | } |
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| 208 | if ((GetAxisFromObj(interp, axes[0], &axis1) != TCL_OK) || |
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| 209 | (GetAxisFromObj(interp, axes[1], &axis2) != TCL_OK) || |
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| 210 | (GetAxisFromObj(interp, axes[2], &axis3) != TCL_OK)) { |
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| 211 | return TCL_ERROR; |
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| 212 | } |
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| 213 | } else { |
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| 214 | Tcl_AppendResult(interp, "unknown key \"", string, |
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| 215 | (char *)NULL); |
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| 216 | return TCL_ERROR; |
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| 217 | } |
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| 218 | } |
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[1984] | 219 | if (_values == NULL) { |
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[1365] | 220 | Tcl_AppendResult(interp, "missing \"values\" key", (char *)NULL); |
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| 221 | return TCL_ERROR; |
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| 222 | } |
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[1429] | 223 | if ((size_t)nValues != (num[0] * num[1] * num[2] * _nComponents)) { |
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[1984] | 224 | TRACE("num[0]=%d num[1]=%d num[2]=%d ncomponents=%d nValues=%d\n", |
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| 225 | num[0], num[1], num[2], _nComponents, nValues); |
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[1365] | 226 | Tcl_AppendResult(interp, |
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[1462] | 227 | "wrong # of values: must be xnum*ynum*znum*extents", |
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[1365] | 228 | (char *)NULL); |
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[1453] | 229 | return TCL_ERROR; |
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[1365] | 230 | } |
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| 231 | |
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[1453] | 232 | #ifdef notdef |
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| 233 | if ((axis1 != 0) || (axis2 != 1) || (axis3 != 2)) { |
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[1365] | 234 | // Reorder the data into x, y, z where x varies fastest and so on. |
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| 235 | int z; |
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| 236 | float *data, *dp; |
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| 237 | |
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| 238 | dp = data = new float[nValues]; |
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| 239 | for (z = 0; z < num[0]; z++) { |
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| 240 | int y; |
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| 241 | |
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| 242 | for (y = 0; y < num[1]; y++) { |
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| 243 | int x; |
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| 244 | |
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| 245 | for (x = 0; x < num[2]; x++) { |
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[1429] | 246 | int i; |
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[1365] | 247 | |
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| 248 | /* Compute the index from the data's described ordering. */ |
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| 249 | i = ((z*num[axis2]*num[axis3]) + (y*num[axis3]) + x) * 3; |
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[1429] | 250 | for(size_t v = 0; v < _nComponents; v++) { |
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[1365] | 251 | dp[v] = values[i+v]; |
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| 252 | } |
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[1429] | 253 | dp += _nComponents; |
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[1365] | 254 | } |
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| 255 | } |
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| 256 | } |
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| 257 | delete [] values; |
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| 258 | values = data; |
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| 259 | } |
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[1453] | 260 | #endif |
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[1429] | 261 | _nValues = nValues; |
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[1365] | 262 | if (units[3] != NULL) { |
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[1984] | 263 | if (_vUnits != NULL) { |
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| 264 | free(_vUnits); |
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| 265 | } |
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[1429] | 266 | _vUnits = strdup(units[3]); |
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[1365] | 267 | } |
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[1429] | 268 | _xMin = min[axis3]; |
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| 269 | _xMax = max[axis3]; |
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| 270 | _xNum = num[axis3]; |
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[1365] | 271 | if (units[axis3] != NULL) { |
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[1984] | 272 | if (_xUnits != NULL) { |
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| 273 | free(_xUnits); |
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| 274 | } |
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[1429] | 275 | _xUnits = strdup(units[axis3]); |
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[1365] | 276 | } |
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[1429] | 277 | _yMin = min[axis2]; |
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| 278 | _yMax = max[axis2]; |
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| 279 | _yNum = num[axis2]; |
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[1365] | 280 | if (units[axis2] != NULL) { |
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[1984] | 281 | if (_yUnits != NULL) { |
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| 282 | free(_yUnits); |
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| 283 | } |
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[1429] | 284 | _yUnits = strdup(units[axis2]); |
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[1365] | 285 | } |
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[1429] | 286 | _zMin = min[axis1]; |
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| 287 | _zMax = max[axis1]; |
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| 288 | _zNum = num[axis1]; |
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[1365] | 289 | if (units[axis1] != NULL) { |
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[1984] | 290 | if (_zUnits != NULL) { |
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| 291 | free(_zUnits); |
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| 292 | } |
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[1429] | 293 | _zUnits = strdup(units[axis1]); |
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[1365] | 294 | } |
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[1429] | 295 | _initialized = true; |
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[1458] | 296 | #ifdef notdef |
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[1453] | 297 | { |
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| 298 | FILE *f; |
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| 299 | f = fopen("/tmp/unirect3d.txt", "w"); |
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| 300 | fprintf(f, "unirect3d xmin %g xmax %g xnum %d ", _xMin, _xMax, _xNum); |
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| 301 | fprintf(f, "ymin %g ymax %g ynum %d ", _yMin, _yMax, _yNum); |
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| 302 | fprintf(f, "zmin %g zmax %g znum %d ", _zMin, _zMax, _zNum); |
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| 303 | fprintf(f, "components %d values {\n", _nComponents); |
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| 304 | for (size_t i = 0; i < _nValues; i+= 3) { |
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| 305 | fprintf(f, "%g %g %g\n", _values[i], _values[i+1], _values[i+2]); |
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| 306 | } |
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| 307 | fprintf(f, "}\n"); |
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| 308 | fclose(f); |
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| 309 | } |
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[1458] | 310 | #endif |
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[1365] | 311 | return TCL_OK; |
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| 312 | } |
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| 313 | |
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| 314 | |
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| 315 | int |
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| 316 | Rappture::Unirect2d::LoadData(Tcl_Interp *interp, int objc, |
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| 317 | Tcl_Obj *const *objv) |
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| 318 | { |
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| 319 | if ((objc & 0x01) == 0) { |
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| 320 | Tcl_AppendResult(interp, Tcl_GetString(objv[0]), ": ", |
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| 321 | "wrong number of arguments: should be key-value pairs", |
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| 322 | (char *)NULL); |
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| 323 | return TCL_ERROR; |
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| 324 | } |
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| 325 | |
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| 326 | int axis[2]; |
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| 327 | axis[0] = 1; /* X-axis */ |
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| 328 | axis[1] = 0; /* Y-axis */ |
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| 329 | |
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[1429] | 330 | _xNum = _yNum = _nValues = 0; |
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| 331 | _xMin = _yMin = _xMax = _yMax = 0.0f; |
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| 332 | if (_xUnits != NULL) { |
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| 333 | free(_xUnits); |
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[1365] | 334 | } |
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[1429] | 335 | if (_yUnits != NULL) { |
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| 336 | free(_yUnits); |
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[1365] | 337 | } |
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[1429] | 338 | if (_vUnits != NULL) { |
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| 339 | free(_vUnits); |
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[1365] | 340 | } |
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[1429] | 341 | _xUnits = _yUnits = _vUnits = NULL; |
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[1984] | 342 | _nValues = 0; |
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[1365] | 343 | |
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| 344 | int i; |
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| 345 | for (i = 1; i < objc; i += 2) { |
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| 346 | const char *string; |
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| 347 | char c; |
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| 348 | |
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| 349 | string = Tcl_GetString(objv[i]); |
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| 350 | c = string[0]; |
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| 351 | if ((c == 'x') && (strcmp(string, "xmin") == 0)) { |
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[1429] | 352 | if (GetFloatFromObj(interp, objv[i+1], &_xMin) != TCL_OK) { |
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[1365] | 353 | return TCL_ERROR; |
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| 354 | } |
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| 355 | } else if ((c == 'x') && (strcmp(string, "xmax") == 0)) { |
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[1429] | 356 | if (GetFloatFromObj(interp, objv[i+1], &_xMax) != TCL_OK) { |
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[1365] | 357 | return TCL_ERROR; |
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| 358 | } |
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| 359 | } else if ((c == 'x') && (strcmp(string, "xnum") == 0)) { |
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| 360 | int n; |
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| 361 | if (Tcl_GetIntFromObj(interp, objv[i+1], &n) != TCL_OK) { |
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| 362 | return TCL_ERROR; |
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| 363 | } |
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| 364 | if (n <= 0) { |
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| 365 | Tcl_AppendResult(interp, "bad xnum value: must be > 0", |
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| 366 | (char *)NULL); |
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| 367 | return TCL_ERROR; |
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| 368 | } |
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[1429] | 369 | _xNum = n; |
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[1365] | 370 | } else if ((c == 'x') && (strcmp(string, "xunits") == 0)) { |
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[1429] | 371 | _xUnits = strdup(Tcl_GetString(objv[i+1])); |
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[1365] | 372 | } else if ((c == 'y') && (strcmp(string, "ymin") == 0)) { |
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[1429] | 373 | if (GetFloatFromObj(interp, objv[i+1], &_yMin) != TCL_OK) { |
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[1365] | 374 | return TCL_ERROR; |
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| 375 | } |
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| 376 | } else if ((c == 'y') && (strcmp(string, "ymax") == 0)) { |
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[1429] | 377 | if (GetFloatFromObj(interp, objv[i+1], &_yMax) != TCL_OK) { |
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[1365] | 378 | return TCL_ERROR; |
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| 379 | } |
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| 380 | } else if ((c == 'y') && (strcmp(string, "ynum") == 0)) { |
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| 381 | int n; |
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| 382 | if (Tcl_GetIntFromObj(interp, objv[i+1], &n) != TCL_OK) { |
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| 383 | return TCL_ERROR; |
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| 384 | } |
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| 385 | if (n <= 0) { |
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| 386 | Tcl_AppendResult(interp, "bad ynum value: must be > 0", |
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| 387 | (char *)NULL); |
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| 388 | return TCL_ERROR; |
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| 389 | } |
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[1429] | 390 | _yNum = n; |
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[1365] | 391 | } else if ((c == 'y') && (strcmp(string, "yunits") == 0)) { |
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[1429] | 392 | _yUnits = strdup(Tcl_GetString(objv[i+1])); |
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[1365] | 393 | } else if ((c == 'v') && (strcmp(string, "values") == 0)) { |
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| 394 | Tcl_Obj **vobj; |
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| 395 | int n; |
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| 396 | |
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[1984] | 397 | Tcl_IncrRefCount(objv[i+1]); |
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[1365] | 398 | if (Tcl_ListObjGetElements(interp, objv[i+1], &n, &vobj) != TCL_OK){ |
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| 399 | return TCL_ERROR; |
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| 400 | } |
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| 401 | if (n <= 0) { |
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| 402 | Tcl_AppendResult(interp, "empty values list : must be > 0", |
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| 403 | (char *)NULL); |
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| 404 | return TCL_ERROR; |
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| 405 | } |
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[1429] | 406 | _nValues = n; |
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[1984] | 407 | _values = (float *)realloc(_values, sizeof(float) * _nValues); |
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[1365] | 408 | size_t j; |
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[1429] | 409 | for (j = 0; j < _nValues; j++) { |
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| 410 | if (GetFloatFromObj(interp, vobj[j], _values + j)!=TCL_OK) { |
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[1365] | 411 | return TCL_ERROR; |
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| 412 | } |
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| 413 | } |
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[1984] | 414 | Tcl_DecrRefCount(objv[i+1]); |
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[1365] | 415 | } else if ((c == 'u') && (strcmp(string, "units") == 0)) { |
---|
[1429] | 416 | _vUnits = strdup(Tcl_GetString(objv[i+1])); |
---|
[1447] | 417 | } else if ((c == 'c') && (strcmp(string, "components") == 0)) { |
---|
[1365] | 418 | int n; |
---|
| 419 | |
---|
| 420 | if (Tcl_GetIntFromObj(interp, objv[i+1], &n) != TCL_OK) { |
---|
| 421 | return TCL_ERROR; |
---|
| 422 | } |
---|
| 423 | if (n <= 0) { |
---|
| 424 | Tcl_AppendResult(interp, "bad extents value: must be > 0", |
---|
| 425 | (char *)NULL); |
---|
| 426 | return TCL_ERROR; |
---|
| 427 | } |
---|
[1429] | 428 | _nComponents = n; |
---|
[1365] | 429 | } else if ((c == 'a') && (strcmp(string, "axisorder") == 0)) { |
---|
| 430 | Tcl_Obj **order; |
---|
| 431 | int n; |
---|
| 432 | |
---|
| 433 | if (Tcl_ListObjGetElements(interp, objv[i+1], &n, &order) |
---|
| 434 | != TCL_OK) { |
---|
| 435 | return TCL_ERROR; |
---|
| 436 | } |
---|
| 437 | if (n != 2) { |
---|
| 438 | Tcl_AppendResult(interp, |
---|
| 439 | "wrong # of axes defined for ordering the data", |
---|
| 440 | (char *)NULL); |
---|
| 441 | return TCL_ERROR; |
---|
| 442 | } |
---|
| 443 | if ((GetAxisFromObj(interp, order[0], axis) != TCL_OK) || |
---|
| 444 | (GetAxisFromObj(interp, order[1], axis+1) != TCL_OK)) { |
---|
| 445 | return TCL_ERROR; |
---|
| 446 | } |
---|
| 447 | } else { |
---|
| 448 | Tcl_AppendResult(interp, "unknown key \"", string, |
---|
| 449 | (char *)NULL); |
---|
| 450 | return TCL_ERROR; |
---|
| 451 | } |
---|
| 452 | } |
---|
[1984] | 453 | if (_nValues == 0) { |
---|
[1365] | 454 | Tcl_AppendResult(interp, "missing \"values\" key", (char *)NULL); |
---|
| 455 | return TCL_ERROR; |
---|
| 456 | } |
---|
[1429] | 457 | if (_nValues != (_xNum * _yNum * _nComponents)) { |
---|
[1365] | 458 | Tcl_AppendResult(interp, |
---|
[1447] | 459 | "wrong number of values: must be xnum*ynum*components", |
---|
[1365] | 460 | (char *)NULL); |
---|
| 461 | return TCL_ERROR; |
---|
| 462 | } |
---|
| 463 | |
---|
| 464 | if ((axis[0] != 1) || (axis[1] != 0)) { |
---|
[1984] | 465 | TRACE("reordering data\n"); |
---|
[1529] | 466 | /* Reorder the data into x, y where x varies fastest and so on. */ |
---|
[1365] | 467 | size_t y; |
---|
[1984] | 468 | float *dp; |
---|
[1365] | 469 | |
---|
[1984] | 470 | dp = _values = (float *)realloc(_values, sizeof(float) * _nValues); |
---|
[1429] | 471 | for (y = 0; y < _yNum; y++) { |
---|
[1365] | 472 | size_t x; |
---|
| 473 | |
---|
[1429] | 474 | for (x = 0; x < _xNum; x++) { |
---|
[1365] | 475 | size_t i, v; |
---|
| 476 | |
---|
| 477 | /* Compute the index from the data's described ordering. */ |
---|
[1429] | 478 | i = (y + (_yNum * x)) * _nComponents; |
---|
| 479 | for(v = 0; v < _nComponents; v++) { |
---|
| 480 | dp[v] = _values[i+v]; |
---|
[1365] | 481 | } |
---|
[1429] | 482 | dp += _nComponents; |
---|
[1365] | 483 | } |
---|
| 484 | } |
---|
| 485 | } |
---|
[1429] | 486 | _initialized = true; |
---|
[1365] | 487 | return TCL_OK; |
---|
| 488 | } |
---|
[1429] | 489 | |
---|
| 490 | |
---|
| 491 | bool |
---|
[1458] | 492 | Rappture::Unirect3d::ImportDx(Rappture::Outcome &result, size_t nComponents, |
---|
| 493 | size_t length, char *string) |
---|
[1429] | 494 | { |
---|
[1458] | 495 | int nx, ny, nz, npts; |
---|
[1429] | 496 | double x0, y0, z0, dx, dy, dz, ddx, ddy, ddz; |
---|
[1529] | 497 | char *p, *pend; |
---|
[1429] | 498 | |
---|
[1529] | 499 | dx = dy = dz = 0.0; /* Suppress compiler warning. */ |
---|
| 500 | x0 = y0 = z0 = 0.0; /* May not have an origin line. */ |
---|
| 501 | nx = ny = nz = npts = 0; /* Suppress compiler warning. */ |
---|
| 502 | for (p = string, pend = p + length; p < pend; /*empty*/) { |
---|
[1429] | 503 | char *line; |
---|
| 504 | |
---|
[1529] | 505 | line = getline(&p, pend); |
---|
| 506 | if (line == pend) { |
---|
| 507 | break; /* EOF */ |
---|
[1429] | 508 | } |
---|
| 509 | if ((line[0] == '#') || (line == '\0')) { |
---|
[1529] | 510 | continue; /* Skip blank or comment lines. */ |
---|
[1429] | 511 | } |
---|
| 512 | if (sscanf(line, "object %*d class gridpositions counts %d %d %d", |
---|
| 513 | &nx, &ny, &nz) == 3) { |
---|
| 514 | if ((nx < 0) || (ny < 0) || (nz < 0)) { |
---|
| 515 | result.addError("invalid grid size: x=%d, y=%d, z=%d", |
---|
| 516 | nx, ny, nz); |
---|
| 517 | return false; |
---|
| 518 | } |
---|
| 519 | } else if (sscanf(line, "origin %lg %lg %lg", &x0, &y0, &z0) == 3) { |
---|
[1529] | 520 | /* Found origin. */ |
---|
[1429] | 521 | } else if (sscanf(line, "delta %lg %lg %lg", &ddx, &ddy, &ddz) == 3) { |
---|
[1529] | 522 | /* Found one of the delta lines. */ |
---|
[1429] | 523 | if (ddx != 0.0) { |
---|
| 524 | dx = ddx; |
---|
| 525 | } else if (ddy != 0.0) { |
---|
| 526 | dy = ddy; |
---|
| 527 | } else if (ddz != 0.0) { |
---|
| 528 | dz = ddz; |
---|
| 529 | } |
---|
| 530 | } else if (sscanf(line, "object %*d class array type %*s shape 3" |
---|
| 531 | " rank 1 items %d data follows", &npts) == 1) { |
---|
[1458] | 532 | if (npts < 0) { |
---|
| 533 | result.addError("bad # points %d", npts); |
---|
| 534 | return false; |
---|
| 535 | } |
---|
[1429] | 536 | printf("#points=%d\n", npts); |
---|
| 537 | if (npts != nx*ny*nz) { |
---|
| 538 | result.addError("inconsistent data: expected %d points" |
---|
| 539 | " but found %d points", nx*ny*nz, npts); |
---|
| 540 | return false; |
---|
| 541 | } |
---|
| 542 | break; |
---|
| 543 | } else if (sscanf(line, "object %*d class array type %*s rank 0" |
---|
| 544 | " times %d data follows", &npts) == 1) { |
---|
| 545 | if (npts != nx*ny*nz) { |
---|
| 546 | result.addError("inconsistent data: expected %d points" |
---|
| 547 | " but found %d points", nx*ny*nz, npts); |
---|
| 548 | return false; |
---|
| 549 | } |
---|
| 550 | break; |
---|
| 551 | } |
---|
| 552 | } |
---|
| 553 | if (npts != nx*ny*nz) { |
---|
| 554 | result.addError("inconsistent data: expected %d points" |
---|
| 555 | " but found %d points", nx*ny*nz, npts); |
---|
| 556 | return false; |
---|
| 557 | } |
---|
| 558 | |
---|
| 559 | _initialized = false; |
---|
| 560 | _xValueMin = _yValueMin = _zValueMin = FLT_MAX; |
---|
| 561 | _xValueMax = _yValueMax = _zValueMax = -FLT_MAX; |
---|
| 562 | _xMin = x0, _yMin = y0, _zMin = z0; |
---|
| 563 | _xNum = nx, _yNum = ny, _zNum = nz; |
---|
| 564 | _xMax = _xMin + dx * _xNum; |
---|
| 565 | _yMax = _yMin + dy * _yNum; |
---|
| 566 | _zMax = _zMin + dz * _zNum; |
---|
[1434] | 567 | _nComponents = nComponents; |
---|
| 568 | |
---|
[1984] | 569 | _values = (float *)realloc(_values, sizeof(float) * npts * _nComponents); |
---|
[1429] | 570 | _nValues = 0; |
---|
| 571 | for (size_t ix = 0; ix < _xNum; ix++) { |
---|
| 572 | for (size_t iy = 0; iy < _yNum; iy++) { |
---|
| 573 | for (size_t iz = 0; iz < _zNum; iz++) { |
---|
| 574 | char *line; |
---|
[1529] | 575 | if ((p == pend) || (_nValues > (size_t)npts)) { |
---|
[1429] | 576 | break; |
---|
| 577 | } |
---|
[1529] | 578 | line = getline(&p, pend); |
---|
[1429] | 579 | if ((line[0] == '#') || (line[0] == '\0')) { |
---|
[1529] | 580 | continue; /* Skip blank or comment lines. */ |
---|
[1429] | 581 | } |
---|
| 582 | double vx, vy, vz; |
---|
| 583 | if (sscanf(line, "%lg %lg %lg", &vx, &vy, &vz) == 3) { |
---|
| 584 | int nindex = (iz*nx*ny + iy*nx + ix) * 3; |
---|
| 585 | if (vx < _xValueMin) { |
---|
| 586 | _xValueMin = vx; |
---|
| 587 | } else if (vx > _xValueMax) { |
---|
| 588 | _xValueMax = vx; |
---|
| 589 | } |
---|
| 590 | if (vy < _yValueMin) { |
---|
| 591 | _yValueMin = vy; |
---|
| 592 | } else if (vy > _yValueMax) { |
---|
| 593 | _yValueMax = vy; |
---|
| 594 | } |
---|
| 595 | if (vz < _zValueMin) { |
---|
| 596 | _zValueMin = vz; |
---|
| 597 | } else if (vz > _zValueMax) { |
---|
| 598 | _zValueMax = vz; |
---|
| 599 | } |
---|
| 600 | _values[nindex] = vx; |
---|
| 601 | _values[nindex+1] = vy; |
---|
| 602 | _values[nindex+2] = vz; |
---|
| 603 | _nValues++; |
---|
| 604 | } |
---|
| 605 | } |
---|
| 606 | } |
---|
| 607 | } |
---|
[1529] | 608 | /* Make sure that we read all of the expected points. */ |
---|
[1458] | 609 | if (_nValues != (size_t)npts) { |
---|
[1429] | 610 | result.addError("inconsistent data: expected %d points" |
---|
| 611 | " but found %d points", npts, _nValues); |
---|
[1984] | 612 | free(_values); |
---|
[1429] | 613 | _values = NULL; |
---|
| 614 | return false; |
---|
| 615 | } |
---|
| 616 | _nValues *= _nComponents; |
---|
| 617 | _initialized = true; |
---|
[1453] | 618 | #ifdef notdef |
---|
| 619 | { |
---|
| 620 | FILE *f; |
---|
| 621 | f = fopen("/tmp/dx.txt", "w"); |
---|
| 622 | fprintf(f, "unirect3d xmin %g xmax %g xnum %d ", _xMin, _xMax, _xNum); |
---|
| 623 | fprintf(f, "ymin %g ymax %g ynum %d ", _yMin, _yMax, _yNum); |
---|
| 624 | fprintf(f, "zmin %g zmax %g znum %d ", _zMin, _zMax, _zNum); |
---|
| 625 | fprintf(f, "components %d values {\n", _nComponents); |
---|
| 626 | for (size_t i = 0; i < _nValues; i+= 3) { |
---|
| 627 | fprintf(f, "%g %g %g\n", _values[i], _values[i+1], _values[i+2]); |
---|
| 628 | } |
---|
| 629 | fprintf(f, "}\n"); |
---|
| 630 | fclose(f); |
---|
[1452] | 631 | } |
---|
[1453] | 632 | #endif |
---|
[1429] | 633 | return true; |
---|
| 634 | } |
---|
| 635 | |
---|
| 636 | |
---|
| 637 | bool |
---|
[1458] | 638 | Rappture::Unirect3d::Resample(Rappture::Outcome &result, size_t nSamples) |
---|
[1429] | 639 | { |
---|
| 640 | Rappture::Mesh1D xgrid(_xMin, _xMax, _xNum); |
---|
| 641 | Rappture::Mesh1D ygrid(_yMin, _yMax, _yNum); |
---|
| 642 | Rappture::Mesh1D zgrid(_zMin, _zMax, _zNum); |
---|
| 643 | Rappture::FieldRect3D xfield(xgrid, ygrid, zgrid); |
---|
| 644 | Rappture::FieldRect3D yfield(xgrid, ygrid, zgrid); |
---|
| 645 | Rappture::FieldRect3D zfield(xgrid, ygrid, zgrid); |
---|
| 646 | |
---|
| 647 | size_t i, j; |
---|
| 648 | for (i = 0, j = 0; i < _nValues; i += _nComponents, j++) { |
---|
| 649 | double vx, vy, vz; |
---|
| 650 | |
---|
| 651 | vx = _values[i]; |
---|
| 652 | vy = _values[i+1]; |
---|
| 653 | vz = _values[i+2]; |
---|
| 654 | |
---|
| 655 | xfield.define(j, vx); |
---|
| 656 | yfield.define(j, vy); |
---|
| 657 | zfield.define(j, vz); |
---|
| 658 | } |
---|
| 659 | // Figure out a good mesh spacing |
---|
| 660 | double dx, dy, dz; |
---|
| 661 | dx = xfield.rangeMax(Rappture::xaxis) - xfield.rangeMin(Rappture::xaxis); |
---|
| 662 | dy = xfield.rangeMax(Rappture::yaxis) - xfield.rangeMin(Rappture::yaxis); |
---|
| 663 | dz = xfield.rangeMax(Rappture::zaxis) - xfield.rangeMin(Rappture::zaxis); |
---|
| 664 | |
---|
| 665 | double dmin; |
---|
| 666 | dmin = pow((dx*dy*dz)/(nSamples*nSamples*nSamples), 0.333); |
---|
| 667 | |
---|
[2376] | 668 | TRACE("dx:%lf dy:%lf dz:%lf dmin:%lf\n", dx, dy, dz, dmin); |
---|
[1429] | 669 | |
---|
| 670 | /* Recompute new number of points for each axis. */ |
---|
| 671 | _xNum = (size_t)ceil(dx/dmin); |
---|
| 672 | _yNum = (size_t)ceil(dy/dmin); |
---|
| 673 | _zNum = (size_t)ceil(dz/dmin); |
---|
| 674 | |
---|
| 675 | #ifndef NV40 |
---|
| 676 | // must be an even power of 2 for older cards |
---|
| 677 | _xNum = (int)pow(2.0, ceil(log10((double)_xNum)/log10(2.0))); |
---|
| 678 | _yNum = (int)pow(2.0, ceil(log10((double)_yNum)/log10(2.0))); |
---|
| 679 | _zNum = (int)pow(2.0, ceil(log10((double)_zNum)/log10(2.0))); |
---|
| 680 | #endif |
---|
| 681 | |
---|
| 682 | size_t n = _nComponents * _xNum * _yNum * _zNum; |
---|
[1984] | 683 | _values = (float *)realloc(_values, sizeof(float) * n); |
---|
| 684 | memset(_values, 0, sizeof(float) * n); |
---|
[1429] | 685 | |
---|
| 686 | // Generate the uniformly sampled rectangle that we need for a volume |
---|
[1984] | 687 | float *destPtr = _values; |
---|
[1429] | 688 | for (size_t i = 0; i < _zNum; i++) { |
---|
| 689 | double z; |
---|
| 690 | |
---|
| 691 | z = _zMin + (i * dmin); |
---|
| 692 | for (size_t j = 0; j < _yNum; j++) { |
---|
| 693 | double y; |
---|
| 694 | |
---|
| 695 | y = _yMin + (j * dmin); |
---|
| 696 | for (size_t k = 0; k < _xNum; k++) { |
---|
| 697 | double x; |
---|
| 698 | |
---|
| 699 | x = _xMin + (k * dmin); |
---|
| 700 | destPtr[0] = xfield.value(x, y, z); |
---|
| 701 | destPtr[1] = yfield.value(x, y, z); |
---|
| 702 | destPtr[2] = zfield.value(x, y, z); |
---|
| 703 | } |
---|
| 704 | } |
---|
| 705 | } |
---|
| 706 | _nValues = _xNum * _yNum * _zNum * _nComponents; |
---|
| 707 | return true; |
---|
| 708 | } |
---|
| 709 | |
---|
[1434] | 710 | |
---|
| 711 | void |
---|
| 712 | Rappture::Unirect3d::GetVectorRange(void) |
---|
| 713 | { |
---|
| 714 | assert(_nComponents == 3); |
---|
[1984] | 715 | TRACE("GetVectorRange\n"); |
---|
[1434] | 716 | _magMax = -DBL_MAX, _magMin = DBL_MAX; |
---|
| 717 | size_t i; |
---|
| 718 | for (i = 0; i < _nValues; i += _nComponents) { |
---|
| 719 | double vx, vy, vz, vm; |
---|
| 720 | |
---|
| 721 | vx = _values[i]; |
---|
| 722 | vy = _values[i+1]; |
---|
| 723 | vz = _values[i+2]; |
---|
| 724 | |
---|
| 725 | vm = sqrt(vx*vx + vy*vy + vz*vz); |
---|
| 726 | if (vm > _magMax) { |
---|
| 727 | _magMax = vm; |
---|
| 728 | } |
---|
| 729 | if (vm < _magMin) { |
---|
| 730 | _magMin = vm; |
---|
| 731 | } |
---|
| 732 | } |
---|
| 733 | } |
---|
[1447] | 734 | |
---|
| 735 | bool |
---|
| 736 | Rappture::Unirect3d::Convert(Rappture::Unirect2d *dataPtr) |
---|
| 737 | { |
---|
| 738 | _initialized = false; |
---|
| 739 | |
---|
| 740 | _xValueMin = dataPtr->xValueMin(); |
---|
| 741 | _yValueMin = dataPtr->yValueMin(); |
---|
| 742 | _zValueMin = 0.0; |
---|
| 743 | _xMin = dataPtr->xMin(); |
---|
| 744 | _yMin = dataPtr->yMin(); |
---|
| 745 | _zMin = 0.0; |
---|
| 746 | _xMax = dataPtr->xMax(); |
---|
| 747 | _yMax = dataPtr->yMax(); |
---|
| 748 | _zMax = 0.0; |
---|
| 749 | _xNum = dataPtr->xNum(); |
---|
| 750 | _yNum = dataPtr->yNum(); |
---|
| 751 | _zNum = 1; |
---|
| 752 | switch (dataPtr->nComponents()) { |
---|
| 753 | case 1: |
---|
| 754 | case 3: |
---|
[1984] | 755 | _values = (float *)realloc(_values, sizeof(float) * dataPtr->nValues()); |
---|
| 756 | if (_values == NULL) { |
---|
| 757 | return false; |
---|
[1447] | 758 | } |
---|
| 759 | memcpy(_values, dataPtr->values(), dataPtr->nValues()); |
---|
| 760 | _nValues = dataPtr->nValues(); |
---|
| 761 | _nComponents = dataPtr->nComponents(); |
---|
| 762 | break; |
---|
| 763 | case 2: |
---|
| 764 | float *values; |
---|
| 765 | _nValues = 3 * _xNum * _yNum * _zNum; |
---|
[1984] | 766 | _values = (float *)realloc(_values, sizeof(float) * _nValues); |
---|
[1447] | 767 | if (_values == NULL) { |
---|
| 768 | return false; |
---|
| 769 | } |
---|
| 770 | values = dataPtr->values(); |
---|
| 771 | size_t i, j; |
---|
| 772 | for(j = i = 0; i < dataPtr->nValues(); i += 2, j+= 3) { |
---|
| 773 | _values[j] = values[i]; |
---|
| 774 | _values[j+1] = values[i+1]; |
---|
| 775 | _values[j+2] = 0.0f; |
---|
| 776 | } |
---|
| 777 | _nComponents = 3; |
---|
| 778 | break; |
---|
| 779 | } |
---|
| 780 | return true; |
---|
| 781 | } |
---|