[2798] | 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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[3502] | 2 | /* |
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| 3 | * Copyright (C) 2004-2013 HUBzero Foundation, LLC |
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| 4 | * |
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| 5 | * Author: George A. Howlett <gah@purdue.edu> |
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| 6 | */ |
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[4895] | 7 | |
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| 8 | #include <assert.h> |
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| 9 | #include <string.h> |
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| 10 | #include <math.h> |
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[1429] | 11 | #include <float.h> |
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[4895] | 12 | #include <ctype.h> // For isspace() |
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[3597] | 13 | |
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[1365] | 14 | #include <tcl.h> |
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[2827] | 15 | |
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[3597] | 16 | #include "Command.h" |
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[2827] | 17 | #include "Unirect.h" |
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[1462] | 18 | #include "Trace.h" |
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[1365] | 19 | |
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[3611] | 20 | using namespace nv; |
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| 21 | |
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[2881] | 22 | static inline char * |
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[1429] | 23 | skipspaces(char *string) |
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| 24 | { |
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| 25 | while (isspace(*string)) { |
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[2843] | 26 | string++; |
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[1429] | 27 | } |
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| 28 | return string; |
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| 29 | } |
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| 30 | |
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[2881] | 31 | static inline char * |
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[1429] | 32 | getline(char **stringPtr, char *endPtr) |
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| 33 | { |
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| 34 | char *line, *p; |
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| 35 | |
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| 36 | line = skipspaces(*stringPtr); |
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| 37 | for (p = line; p < endPtr; p++) { |
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[2843] | 38 | if (*p == '\n') { |
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| 39 | *p++ = '\0'; |
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| 40 | *stringPtr = p; |
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| 41 | return line; |
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| 42 | } |
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[1429] | 43 | } |
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| 44 | *stringPtr = p; |
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| 45 | return line; |
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| 46 | } |
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| 47 | |
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[1469] | 48 | int |
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[4063] | 49 | nv::Unirect2d::parseBuffer(Tcl_Interp *interp, const char *bytes, size_t len) |
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[1469] | 50 | { |
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[4063] | 51 | Tcl_Obj *objPtr = Tcl_NewStringObj(bytes, len); |
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[1469] | 52 | Tcl_Obj **objv; |
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| 53 | int objc; |
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| 54 | if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) { |
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[2843] | 55 | return TCL_ERROR; |
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[1469] | 56 | } |
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[3605] | 57 | int result = loadData(interp, objc, objv); |
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[1469] | 58 | Tcl_DecrRefCount(objPtr); |
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| 59 | if ((result != TCL_OK) || (!isInitialized())) { |
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[2843] | 60 | return TCL_ERROR; |
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[1469] | 61 | } |
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| 62 | return TCL_OK; |
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| 63 | } |
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| 64 | |
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| 65 | int |
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[4063] | 66 | nv::Unirect3d::parseBuffer(Tcl_Interp *interp, const char *bytes, size_t len) |
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[1469] | 67 | { |
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[4878] | 68 | Tcl_Obj *objPtr = Tcl_NewStringObj(bytes, len); |
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[1469] | 69 | Tcl_Obj **objv; |
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| 70 | int objc; |
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| 71 | if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) { |
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[2843] | 72 | return TCL_ERROR; |
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[1469] | 73 | } |
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[4878] | 74 | int result = loadData(interp, objc, objv); |
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[1469] | 75 | Tcl_DecrRefCount(objPtr); |
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| 76 | if ((result != TCL_OK) || (!isInitialized())) { |
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[2843] | 77 | return TCL_ERROR; |
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[1469] | 78 | } |
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| 79 | return TCL_OK; |
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| 80 | } |
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| 81 | |
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[1365] | 82 | int |
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[4056] | 83 | nv::Unirect3d::loadData(Tcl_Interp *interp, int objc, |
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| 84 | Tcl_Obj *const *objv) |
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[1365] | 85 | { |
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| 86 | int num[3], nValues; |
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| 87 | float min[3], max[3]; |
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[3559] | 88 | const char *units[4]; |
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[1365] | 89 | |
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[1510] | 90 | if ((objc-1) & 0x01) { |
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[1365] | 91 | Tcl_AppendResult(interp, Tcl_GetString(objv[0]), ": ", |
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[1462] | 92 | "wrong # of arguments: should be key-value pairs", |
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[1365] | 93 | (char *)NULL); |
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| 94 | return TCL_ERROR; |
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| 95 | } |
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| 96 | |
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| 97 | /* Default order is z, y, x. */ |
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| 98 | int axis1, axis2, axis3; |
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[1453] | 99 | axis1 = 0; /* X-axis */ |
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[1365] | 100 | axis2 = 1; /* Y-axis */ |
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[1453] | 101 | axis3 = 2; /* Z-axis */ |
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[1365] | 102 | |
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| 103 | num[0] = num[1] = num[2] = nValues = 0; |
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| 104 | min[0] = min[1] = min[2] = max[0] = max[1] = max[2] = 0.0f; |
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[3559] | 105 | units[0] = units[1] = units[2] = units[3] = NULL; |
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[1365] | 106 | |
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| 107 | int i; |
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| 108 | for (i = 1; i < objc; i += 2) { |
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| 109 | const char *string; |
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| 110 | char c; |
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| 111 | |
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| 112 | string = Tcl_GetString(objv[i]); |
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| 113 | c = string[0]; |
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| 114 | if ((c == 'x') && (strcmp(string, "xmin") == 0)) { |
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| 115 | if (GetFloatFromObj(interp, objv[i+1], min+2) != TCL_OK) { |
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| 116 | return TCL_ERROR; |
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| 117 | } |
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| 118 | } else if ((c == 'x') && (strcmp(string, "xmax") == 0)) { |
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| 119 | if (GetFloatFromObj(interp, objv[i+1], max+2) != TCL_OK) { |
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| 120 | return TCL_ERROR; |
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| 121 | } |
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| 122 | } else if ((c == 'x') && (strcmp(string, "xnum") == 0)) { |
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| 123 | if (Tcl_GetIntFromObj(interp, objv[i+1], num+2) != TCL_OK) { |
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| 124 | return TCL_ERROR; |
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| 125 | } |
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| 126 | if (num[2] <= 0) { |
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| 127 | Tcl_AppendResult(interp, "bad xnum value: must be > 0", |
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| 128 | (char *)NULL); |
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| 129 | return TCL_ERROR; |
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| 130 | } |
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| 131 | } else if ((c == 'x') && (strcmp(string, "xunits") == 0)) { |
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| 132 | units[2] = Tcl_GetString(objv[i+1]); |
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| 133 | } else if ((c == 'y') && (strcmp(string, "ymin") == 0)) { |
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| 134 | if (GetFloatFromObj(interp, objv[i+1], min+1) != TCL_OK) { |
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| 135 | return TCL_ERROR; |
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| 136 | } |
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| 137 | } else if ((c == 'y') && (strcmp(string, "ymax") == 0)) { |
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| 138 | if (GetFloatFromObj(interp, objv[i+1], max+1) != TCL_OK) { |
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| 139 | return TCL_ERROR; |
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| 140 | } |
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| 141 | } else if ((c == 'y') && (strcmp(string, "ynum") == 0)) { |
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| 142 | if (Tcl_GetIntFromObj(interp, objv[i+1], num+1) != TCL_OK) { |
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| 143 | return TCL_ERROR; |
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| 144 | } |
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| 145 | if (num[1] <= 0) { |
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| 146 | Tcl_AppendResult(interp, "bad ynum value: must be > 0", |
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| 147 | (char *)NULL); |
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| 148 | return TCL_ERROR; |
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| 149 | } |
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| 150 | } else if ((c == 'y') && (strcmp(string, "yunits") == 0)) { |
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| 151 | units[1] = Tcl_GetString(objv[i+1]); |
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| 152 | } else if ((c == 'z') && (strcmp(string, "zmin") == 0)) { |
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| 153 | if (GetFloatFromObj(interp, objv[i+1], min) != TCL_OK) { |
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| 154 | return TCL_ERROR; |
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| 155 | } |
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| 156 | } else if ((c == 'z') && (strcmp(string, "zmax") == 0)) { |
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| 157 | if (GetFloatFromObj(interp, objv[i+1], max) != TCL_OK) { |
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| 158 | return TCL_ERROR; |
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| 159 | } |
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| 160 | } else if ((c == 'z') && (strcmp(string, "znum") == 0)) { |
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| 161 | if (Tcl_GetIntFromObj(interp, objv[i+1], num) != TCL_OK) { |
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| 162 | return TCL_ERROR; |
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| 163 | } |
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| 164 | if (num[0] <= 0) { |
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| 165 | Tcl_AppendResult(interp, "bad znum value: must be > 0", |
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| 166 | (char *)NULL); |
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| 167 | return TCL_ERROR; |
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| 168 | } |
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| 169 | } else if ((c == 'z') && (strcmp(string, "zunits") == 0)) { |
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| 170 | units[0] = Tcl_GetString(objv[i+1]); |
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| 171 | } else if ((c == 'v') && (strcmp(string, "values") == 0)) { |
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| 172 | Tcl_Obj **vobj; |
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| 173 | |
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| 174 | if (Tcl_ListObjGetElements(interp, objv[i+1], &nValues, &vobj) |
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[2843] | 175 | != TCL_OK) { |
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[1365] | 176 | return TCL_ERROR; |
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| 177 | } |
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[1984] | 178 | _values = (float *)realloc(_values, sizeof(float) * nValues); |
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[1365] | 179 | int j; |
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| 180 | for (j = 0; j < nValues; j++) { |
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[1984] | 181 | if (GetFloatFromObj(interp, vobj[j], _values + j)!=TCL_OK) { |
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[1365] | 182 | return TCL_ERROR; |
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[2843] | 183 | } |
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| 184 | } |
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[1365] | 185 | } else if ((c == 'u') && (strcmp(string, "units") == 0)) { |
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[1429] | 186 | _vUnits = strdup(Tcl_GetString(objv[i+1])); |
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[1447] | 187 | } else if ((c == 'c') && (strcmp(string, "components") == 0)) { |
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[2843] | 188 | int n; |
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[1447] | 189 | |
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[2843] | 190 | if (Tcl_GetIntFromObj(interp, objv[i+1], &n) != TCL_OK) { |
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[1447] | 191 | return TCL_ERROR; |
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| 192 | } |
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[2843] | 193 | if (n <= 0) { |
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[1447] | 194 | Tcl_AppendResult(interp, "bad extents value: must be > 0", |
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| 195 | (char *)NULL); |
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| 196 | return TCL_ERROR; |
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| 197 | } |
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[2843] | 198 | _nComponents = n; |
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[1447] | 199 | } else if ((c == 'a') && (strcmp(string, "axisorder") == 0)) { |
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[2843] | 200 | Tcl_Obj **axes; |
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| 201 | int n; |
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[1365] | 202 | |
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[2843] | 203 | if (Tcl_ListObjGetElements(interp, objv[i+1], &n, &axes) |
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| 204 | != TCL_OK) { |
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[1365] | 205 | return TCL_ERROR; |
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| 206 | } |
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[2843] | 207 | if (n != 3) { |
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[1365] | 208 | return TCL_ERROR; |
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[2843] | 209 | } |
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| 210 | if ((GetAxisFromObj(interp, axes[0], &axis1) != TCL_OK) || |
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| 211 | (GetAxisFromObj(interp, axes[1], &axis2) != TCL_OK) || |
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| 212 | (GetAxisFromObj(interp, axes[2], &axis3) != TCL_OK)) { |
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| 213 | return TCL_ERROR; |
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| 214 | } |
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[1365] | 215 | } else { |
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| 216 | Tcl_AppendResult(interp, "unknown key \"", string, |
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| 217 | (char *)NULL); |
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| 218 | return TCL_ERROR; |
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| 219 | } |
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| 220 | } |
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[1984] | 221 | if (_values == NULL) { |
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[1365] | 222 | Tcl_AppendResult(interp, "missing \"values\" key", (char *)NULL); |
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| 223 | return TCL_ERROR; |
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| 224 | } |
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[1429] | 225 | if ((size_t)nValues != (num[0] * num[1] * num[2] * _nComponents)) { |
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[3452] | 226 | TRACE("num[0]=%d num[1]=%d num[2]=%d ncomponents=%d nValues=%d", |
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[2843] | 227 | num[0], num[1], num[2], _nComponents, nValues); |
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[1365] | 228 | Tcl_AppendResult(interp, |
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[2843] | 229 | "wrong # of values: must be xnum*ynum*znum*extents", |
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| 230 | (char *)NULL); |
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[1453] | 231 | return TCL_ERROR; |
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[1365] | 232 | } |
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| 233 | |
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[1453] | 234 | #ifdef notdef |
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| 235 | if ((axis1 != 0) || (axis2 != 1) || (axis3 != 2)) { |
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[2843] | 236 | // Reorder the data into x, y, z where x varies fastest and so on. |
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| 237 | int z; |
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| 238 | float *data, *dp; |
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[1365] | 239 | |
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[2843] | 240 | dp = data = new float[nValues]; |
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| 241 | for (z = 0; z < num[0]; z++) { |
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| 242 | int y; |
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[1365] | 243 | |
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[2843] | 244 | for (y = 0; y < num[1]; y++) { |
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| 245 | int x; |
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[1365] | 246 | |
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[2843] | 247 | for (x = 0; x < num[2]; x++) { |
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| 248 | int i; |
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| 249 | |
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| 250 | /* Compute the index from the data's described ordering. */ |
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| 251 | i = ((z*num[axis2]*num[axis3]) + (y*num[axis3]) + x) * 3; |
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| 252 | for(size_t v = 0; v < _nComponents; v++) { |
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| 253 | dp[v] = values[i+v]; |
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| 254 | } |
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| 255 | dp += _nComponents; |
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| 256 | } |
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| 257 | } |
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| 258 | } |
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| 259 | delete [] values; |
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| 260 | values = data; |
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[1365] | 261 | } |
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[1453] | 262 | #endif |
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[1429] | 263 | _nValues = nValues; |
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[1365] | 264 | if (units[3] != NULL) { |
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[2843] | 265 | if (_vUnits != NULL) { |
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| 266 | free(_vUnits); |
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| 267 | } |
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| 268 | _vUnits = strdup(units[3]); |
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[1365] | 269 | } |
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[1429] | 270 | _xMin = min[axis3]; |
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| 271 | _xMax = max[axis3]; |
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| 272 | _xNum = num[axis3]; |
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[1365] | 273 | if (units[axis3] != NULL) { |
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[2843] | 274 | if (_xUnits != NULL) { |
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| 275 | free(_xUnits); |
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| 276 | } |
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| 277 | _xUnits = strdup(units[axis3]); |
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[1365] | 278 | } |
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[1429] | 279 | _yMin = min[axis2]; |
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| 280 | _yMax = max[axis2]; |
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| 281 | _yNum = num[axis2]; |
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[1365] | 282 | if (units[axis2] != NULL) { |
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[2843] | 283 | if (_yUnits != NULL) { |
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| 284 | free(_yUnits); |
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| 285 | } |
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| 286 | _yUnits = strdup(units[axis2]); |
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[1365] | 287 | } |
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[1429] | 288 | _zMin = min[axis1]; |
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| 289 | _zMax = max[axis1]; |
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| 290 | _zNum = num[axis1]; |
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[1365] | 291 | if (units[axis1] != NULL) { |
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[2843] | 292 | if (_zUnits != NULL) { |
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| 293 | free(_zUnits); |
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| 294 | } |
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| 295 | _zUnits = strdup(units[axis1]); |
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[1365] | 296 | } |
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[1429] | 297 | _initialized = true; |
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[1458] | 298 | #ifdef notdef |
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[1453] | 299 | { |
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[2843] | 300 | FILE *f; |
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| 301 | f = fopen("/tmp/unirect3d.txt", "w"); |
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| 302 | fprintf(f, "unirect3d xmin %g xmax %g xnum %d ", _xMin, _xMax, _xNum); |
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| 303 | fprintf(f, "ymin %g ymax %g ynum %d ", _yMin, _yMax, _yNum); |
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| 304 | fprintf(f, "zmin %g zmax %g znum %d ", _zMin, _zMax, _zNum); |
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| 305 | fprintf(f, "components %d values {\n", _nComponents); |
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| 306 | for (size_t i = 0; i < _nValues; i+= 3) { |
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| 307 | fprintf(f, "%g %g %g\n", _values[i], _values[i+1], _values[i+2]); |
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| 308 | } |
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| 309 | fprintf(f, "}\n"); |
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| 310 | fclose(f); |
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[1453] | 311 | } |
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[1458] | 312 | #endif |
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[1365] | 313 | return TCL_OK; |
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| 314 | } |
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| 315 | |
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| 316 | int |
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[4056] | 317 | nv::Unirect2d::loadData(Tcl_Interp *interp, int objc, |
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| 318 | Tcl_Obj *const *objv) |
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[1365] | 319 | { |
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| 320 | if ((objc & 0x01) == 0) { |
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| 321 | Tcl_AppendResult(interp, Tcl_GetString(objv[0]), ": ", |
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| 322 | "wrong number of arguments: should be key-value pairs", |
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| 323 | (char *)NULL); |
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| 324 | return TCL_ERROR; |
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| 325 | } |
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| 326 | |
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| 327 | int axis[2]; |
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[2843] | 328 | axis[0] = 1; /* X-axis */ |
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[1365] | 329 | axis[1] = 0; /* Y-axis */ |
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| 330 | |
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[1429] | 331 | _xNum = _yNum = _nValues = 0; |
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| 332 | _xMin = _yMin = _xMax = _yMax = 0.0f; |
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| 333 | if (_xUnits != NULL) { |
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[2843] | 334 | free(_xUnits); |
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[1365] | 335 | } |
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[1429] | 336 | if (_yUnits != NULL) { |
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[2843] | 337 | free(_yUnits); |
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[1365] | 338 | } |
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[1429] | 339 | if (_vUnits != NULL) { |
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[2843] | 340 | free(_vUnits); |
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[1365] | 341 | } |
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[1429] | 342 | _xUnits = _yUnits = _vUnits = NULL; |
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[1984] | 343 | _nValues = 0; |
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[1365] | 344 | |
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| 345 | int i; |
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| 346 | for (i = 1; i < objc; i += 2) { |
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| 347 | const char *string; |
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| 348 | char c; |
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| 349 | |
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| 350 | string = Tcl_GetString(objv[i]); |
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| 351 | c = string[0]; |
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| 352 | if ((c == 'x') && (strcmp(string, "xmin") == 0)) { |
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[1429] | 353 | if (GetFloatFromObj(interp, objv[i+1], &_xMin) != TCL_OK) { |
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[1365] | 354 | return TCL_ERROR; |
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| 355 | } |
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| 356 | } else if ((c == 'x') && (strcmp(string, "xmax") == 0)) { |
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[1429] | 357 | if (GetFloatFromObj(interp, objv[i+1], &_xMax) != TCL_OK) { |
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[1365] | 358 | return TCL_ERROR; |
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| 359 | } |
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| 360 | } else if ((c == 'x') && (strcmp(string, "xnum") == 0)) { |
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[2843] | 361 | int n; |
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[1365] | 362 | if (Tcl_GetIntFromObj(interp, objv[i+1], &n) != TCL_OK) { |
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| 363 | return TCL_ERROR; |
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| 364 | } |
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| 365 | if (n <= 0) { |
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| 366 | Tcl_AppendResult(interp, "bad xnum value: must be > 0", |
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| 367 | (char *)NULL); |
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| 368 | return TCL_ERROR; |
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| 369 | } |
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[2843] | 370 | _xNum = n; |
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[1365] | 371 | } else if ((c == 'x') && (strcmp(string, "xunits") == 0)) { |
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[1429] | 372 | _xUnits = strdup(Tcl_GetString(objv[i+1])); |
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[1365] | 373 | } else if ((c == 'y') && (strcmp(string, "ymin") == 0)) { |
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[1429] | 374 | if (GetFloatFromObj(interp, objv[i+1], &_yMin) != TCL_OK) { |
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[1365] | 375 | return TCL_ERROR; |
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| 376 | } |
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| 377 | } else if ((c == 'y') && (strcmp(string, "ymax") == 0)) { |
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[1429] | 378 | if (GetFloatFromObj(interp, objv[i+1], &_yMax) != TCL_OK) { |
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[1365] | 379 | return TCL_ERROR; |
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| 380 | } |
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| 381 | } else if ((c == 'y') && (strcmp(string, "ynum") == 0)) { |
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[2843] | 382 | int n; |
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[1365] | 383 | if (Tcl_GetIntFromObj(interp, objv[i+1], &n) != TCL_OK) { |
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| 384 | return TCL_ERROR; |
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| 385 | } |
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| 386 | if (n <= 0) { |
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| 387 | Tcl_AppendResult(interp, "bad ynum value: must be > 0", |
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| 388 | (char *)NULL); |
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| 389 | return TCL_ERROR; |
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| 390 | } |
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[2843] | 391 | _yNum = n; |
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[1365] | 392 | } else if ((c == 'y') && (strcmp(string, "yunits") == 0)) { |
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[1429] | 393 | _yUnits = strdup(Tcl_GetString(objv[i+1])); |
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[1365] | 394 | } else if ((c == 'v') && (strcmp(string, "values") == 0)) { |
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| 395 | Tcl_Obj **vobj; |
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[2843] | 396 | int n; |
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[1365] | 397 | |
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[2843] | 398 | Tcl_IncrRefCount(objv[i+1]); |
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[1365] | 399 | if (Tcl_ListObjGetElements(interp, objv[i+1], &n, &vobj) != TCL_OK){ |
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| 400 | return TCL_ERROR; |
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| 401 | } |
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[2843] | 402 | if (n <= 0) { |
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[1365] | 403 | Tcl_AppendResult(interp, "empty values list : must be > 0", |
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| 404 | (char *)NULL); |
---|
| 405 | return TCL_ERROR; |
---|
[2843] | 406 | } |
---|
| 407 | _nValues = n; |
---|
[1984] | 408 | _values = (float *)realloc(_values, sizeof(float) * _nValues); |
---|
[1365] | 409 | size_t j; |
---|
[1429] | 410 | for (j = 0; j < _nValues; j++) { |
---|
| 411 | if (GetFloatFromObj(interp, vobj[j], _values + j)!=TCL_OK) { |
---|
[1365] | 412 | return TCL_ERROR; |
---|
[2843] | 413 | } |
---|
| 414 | } |
---|
| 415 | Tcl_DecrRefCount(objv[i+1]); |
---|
[1365] | 416 | } else if ((c == 'u') && (strcmp(string, "units") == 0)) { |
---|
[1429] | 417 | _vUnits = strdup(Tcl_GetString(objv[i+1])); |
---|
[1447] | 418 | } else if ((c == 'c') && (strcmp(string, "components") == 0)) { |
---|
[2843] | 419 | int n; |
---|
[1365] | 420 | |
---|
[2843] | 421 | if (Tcl_GetIntFromObj(interp, objv[i+1], &n) != TCL_OK) { |
---|
[1365] | 422 | return TCL_ERROR; |
---|
| 423 | } |
---|
[2843] | 424 | if (n <= 0) { |
---|
[1365] | 425 | Tcl_AppendResult(interp, "bad extents value: must be > 0", |
---|
| 426 | (char *)NULL); |
---|
| 427 | return TCL_ERROR; |
---|
| 428 | } |
---|
[2843] | 429 | _nComponents = n; |
---|
[1365] | 430 | } else if ((c == 'a') && (strcmp(string, "axisorder") == 0)) { |
---|
[2843] | 431 | Tcl_Obj **order; |
---|
| 432 | int n; |
---|
[1365] | 433 | |
---|
[2843] | 434 | if (Tcl_ListObjGetElements(interp, objv[i+1], &n, &order) |
---|
| 435 | != TCL_OK) { |
---|
[1365] | 436 | return TCL_ERROR; |
---|
| 437 | } |
---|
[2843] | 438 | if (n != 2) { |
---|
| 439 | Tcl_AppendResult(interp, |
---|
| 440 | "wrong # of axes defined for ordering the data", |
---|
| 441 | (char *)NULL); |
---|
[1365] | 442 | return TCL_ERROR; |
---|
[2843] | 443 | } |
---|
| 444 | if ((GetAxisFromObj(interp, order[0], axis) != TCL_OK) || |
---|
| 445 | (GetAxisFromObj(interp, order[1], axis+1) != TCL_OK)) { |
---|
| 446 | return TCL_ERROR; |
---|
| 447 | } |
---|
[1365] | 448 | } else { |
---|
| 449 | Tcl_AppendResult(interp, "unknown key \"", string, |
---|
| 450 | (char *)NULL); |
---|
| 451 | return TCL_ERROR; |
---|
| 452 | } |
---|
| 453 | } |
---|
[1984] | 454 | if (_nValues == 0) { |
---|
[1365] | 455 | Tcl_AppendResult(interp, "missing \"values\" key", (char *)NULL); |
---|
| 456 | return TCL_ERROR; |
---|
| 457 | } |
---|
[1429] | 458 | if (_nValues != (_xNum * _yNum * _nComponents)) { |
---|
[1365] | 459 | Tcl_AppendResult(interp, |
---|
[2843] | 460 | "wrong number of values: must be xnum*ynum*components", |
---|
| 461 | (char *)NULL); |
---|
[1365] | 462 | return TCL_ERROR; |
---|
| 463 | } |
---|
| 464 | |
---|
| 465 | if ((axis[0] != 1) || (axis[1] != 0)) { |
---|
[3452] | 466 | TRACE("reordering data"); |
---|
[2843] | 467 | /* Reorder the data into x, y where x varies fastest and so on. */ |
---|
| 468 | size_t y; |
---|
| 469 | float *dp; |
---|
[1365] | 470 | |
---|
[2843] | 471 | dp = _values = (float *)realloc(_values, sizeof(float) * _nValues); |
---|
| 472 | for (y = 0; y < _yNum; y++) { |
---|
| 473 | size_t x; |
---|
[1365] | 474 | |
---|
[2843] | 475 | for (x = 0; x < _xNum; x++) { |
---|
| 476 | size_t i, v; |
---|
| 477 | |
---|
| 478 | /* Compute the index from the data's described ordering. */ |
---|
| 479 | i = (y + (_yNum * x)) * _nComponents; |
---|
| 480 | for(v = 0; v < _nComponents; v++) { |
---|
| 481 | dp[v] = _values[i+v]; |
---|
| 482 | } |
---|
| 483 | dp += _nComponents; |
---|
| 484 | } |
---|
| 485 | } |
---|
[1365] | 486 | } |
---|
[1429] | 487 | _initialized = true; |
---|
[1365] | 488 | return TCL_OK; |
---|
| 489 | } |
---|
[1429] | 490 | |
---|
[4068] | 491 | #ifdef USE_DX_READER |
---|
[1429] | 492 | bool |
---|
[4063] | 493 | nv::Unirect3d::importDx(size_t nComponents, |
---|
[4056] | 494 | size_t length, char *string) |
---|
[1429] | 495 | { |
---|
[1458] | 496 | int nx, ny, nz, npts; |
---|
[1429] | 497 | double x0, y0, z0, dx, dy, dz, ddx, ddy, ddz; |
---|
[1529] | 498 | char *p, *pend; |
---|
[1429] | 499 | |
---|
[1529] | 500 | dx = dy = dz = 0.0; /* Suppress compiler warning. */ |
---|
| 501 | x0 = y0 = z0 = 0.0; /* May not have an origin line. */ |
---|
| 502 | nx = ny = nz = npts = 0; /* Suppress compiler warning. */ |
---|
| 503 | for (p = string, pend = p + length; p < pend; /*empty*/) { |
---|
[2843] | 504 | char *line; |
---|
[1429] | 505 | |
---|
[2843] | 506 | line = getline(&p, pend); |
---|
[1529] | 507 | if (line == pend) { |
---|
[2843] | 508 | break; /* EOF */ |
---|
| 509 | } |
---|
[1429] | 510 | if ((line[0] == '#') || (line == '\0')) { |
---|
[2843] | 511 | continue; /* Skip blank or comment lines. */ |
---|
| 512 | } |
---|
| 513 | if (sscanf(line, "object %*d class gridpositions counts %d %d %d", |
---|
| 514 | &nx, &ny, &nz) == 3) { |
---|
| 515 | if ((nx < 0) || (ny < 0) || (nz < 0)) { |
---|
[4063] | 516 | ERROR("invalid grid size: x=%d, y=%d, z=%d", |
---|
| 517 | nx, ny, nz); |
---|
[2843] | 518 | return false; |
---|
| 519 | } |
---|
| 520 | } else if (sscanf(line, "origin %lg %lg %lg", &x0, &y0, &z0) == 3) { |
---|
| 521 | /* Found origin. */ |
---|
| 522 | } else if (sscanf(line, "delta %lg %lg %lg", &ddx, &ddy, &ddz) == 3) { |
---|
| 523 | /* Found one of the delta lines. */ |
---|
| 524 | if (ddx != 0.0) { |
---|
| 525 | dx = ddx; |
---|
| 526 | } else if (ddy != 0.0) { |
---|
| 527 | dy = ddy; |
---|
| 528 | } else if (ddz != 0.0) { |
---|
| 529 | dz = ddz; |
---|
| 530 | } |
---|
| 531 | } else if (sscanf(line, "object %*d class array type %*s shape 3" |
---|
| 532 | " rank 1 items %d data follows", &npts) == 1) { |
---|
| 533 | if (npts < 0) { |
---|
[4063] | 534 | ERROR("bad # points %d", npts); |
---|
[2843] | 535 | return false; |
---|
| 536 | } |
---|
[3452] | 537 | TRACE("#points=%d", npts); |
---|
[2843] | 538 | if (npts != nx*ny*nz) { |
---|
[4063] | 539 | ERROR("inconsistent data: expected %d points" |
---|
| 540 | " but found %d points", nx*ny*nz, npts); |
---|
[2843] | 541 | return false; |
---|
| 542 | } |
---|
| 543 | break; |
---|
| 544 | } else if (sscanf(line, "object %*d class array type %*s rank 0" |
---|
| 545 | " times %d data follows", &npts) == 1) { |
---|
| 546 | if (npts != nx*ny*nz) { |
---|
[4063] | 547 | ERROR("inconsistent data: expected %d points" |
---|
| 548 | " but found %d points", nx*ny*nz, npts); |
---|
[2843] | 549 | return false; |
---|
| 550 | } |
---|
| 551 | break; |
---|
| 552 | } |
---|
[1429] | 553 | } |
---|
| 554 | if (npts != nx*ny*nz) { |
---|
[4063] | 555 | ERROR("inconsistent data: expected %d points" |
---|
| 556 | " but found %d points", nx*ny*nz, npts); |
---|
[2843] | 557 | return false; |
---|
[1429] | 558 | } |
---|
| 559 | |
---|
| 560 | _initialized = false; |
---|
| 561 | _xValueMin = _yValueMin = _zValueMin = FLT_MAX; |
---|
| 562 | _xValueMax = _yValueMax = _zValueMax = -FLT_MAX; |
---|
| 563 | _xMin = x0, _yMin = y0, _zMin = z0; |
---|
| 564 | _xNum = nx, _yNum = ny, _zNum = nz; |
---|
| 565 | _xMax = _xMin + dx * _xNum; |
---|
| 566 | _yMax = _yMin + dy * _yNum; |
---|
| 567 | _zMax = _zMin + dz * _zNum; |
---|
[1434] | 568 | _nComponents = nComponents; |
---|
| 569 | |
---|
[1984] | 570 | _values = (float *)realloc(_values, sizeof(float) * npts * _nComponents); |
---|
[1429] | 571 | _nValues = 0; |
---|
| 572 | for (size_t ix = 0; ix < _xNum; ix++) { |
---|
[2843] | 573 | for (size_t iy = 0; iy < _yNum; iy++) { |
---|
| 574 | for (size_t iz = 0; iz < _zNum; iz++) { |
---|
| 575 | char *line; |
---|
| 576 | if ((p == pend) || (_nValues > (size_t)npts)) { |
---|
| 577 | break; |
---|
| 578 | } |
---|
| 579 | line = getline(&p, pend); |
---|
| 580 | if ((line[0] == '#') || (line[0] == '\0')) { |
---|
| 581 | continue; /* Skip blank or comment lines. */ |
---|
| 582 | } |
---|
| 583 | double vx, vy, vz; |
---|
| 584 | if (sscanf(line, "%lg %lg %lg", &vx, &vy, &vz) == 3) { |
---|
| 585 | int nindex = (iz*nx*ny + iy*nx + ix) * 3; |
---|
| 586 | if (vx < _xValueMin) { |
---|
| 587 | _xValueMin = vx; |
---|
| 588 | } else if (vx > _xValueMax) { |
---|
| 589 | _xValueMax = vx; |
---|
| 590 | } |
---|
| 591 | if (vy < _yValueMin) { |
---|
| 592 | _yValueMin = vy; |
---|
| 593 | } else if (vy > _yValueMax) { |
---|
| 594 | _yValueMax = vy; |
---|
| 595 | } |
---|
| 596 | if (vz < _zValueMin) { |
---|
| 597 | _zValueMin = vz; |
---|
| 598 | } else if (vz > _zValueMax) { |
---|
| 599 | _zValueMax = vz; |
---|
| 600 | } |
---|
| 601 | _values[nindex] = vx; |
---|
| 602 | _values[nindex+1] = vy; |
---|
| 603 | _values[nindex+2] = vz; |
---|
| 604 | _nValues++; |
---|
| 605 | } |
---|
| 606 | } |
---|
| 607 | } |
---|
[1429] | 608 | } |
---|
[1529] | 609 | /* Make sure that we read all of the expected points. */ |
---|
[1458] | 610 | if (_nValues != (size_t)npts) { |
---|
[4063] | 611 | ERROR("inconsistent data: expected %d points" |
---|
| 612 | " but found %d points", npts, _nValues); |
---|
[2843] | 613 | free(_values); |
---|
| 614 | _values = NULL; |
---|
| 615 | return false; |
---|
[1429] | 616 | } |
---|
| 617 | _nValues *= _nComponents; |
---|
| 618 | _initialized = true; |
---|
[1453] | 619 | #ifdef notdef |
---|
| 620 | { |
---|
[2843] | 621 | FILE *f; |
---|
| 622 | f = fopen("/tmp/dx.txt", "w"); |
---|
| 623 | fprintf(f, "unirect3d xmin %g xmax %g xnum %d ", _xMin, _xMax, _xNum); |
---|
| 624 | fprintf(f, "ymin %g ymax %g ynum %d ", _yMin, _yMax, _yNum); |
---|
| 625 | fprintf(f, "zmin %g zmax %g znum %d ", _zMin, _zMax, _zNum); |
---|
| 626 | fprintf(f, "components %d values {\n", _nComponents); |
---|
| 627 | for (size_t i = 0; i < _nValues; i+= 3) { |
---|
| 628 | fprintf(f, "%g %g %g\n", _values[i], _values[i+1], _values[i+2]); |
---|
| 629 | } |
---|
| 630 | fprintf(f, "}\n"); |
---|
| 631 | fclose(f); |
---|
[1452] | 632 | } |
---|
[1453] | 633 | #endif |
---|
[1429] | 634 | return true; |
---|
| 635 | } |
---|
[4068] | 636 | #endif |
---|
[1429] | 637 | |
---|
[1434] | 638 | void |
---|
[4056] | 639 | nv::Unirect3d::getVectorRange() |
---|
[1434] | 640 | { |
---|
| 641 | assert(_nComponents == 3); |
---|
| 642 | _magMax = -DBL_MAX, _magMin = DBL_MAX; |
---|
| 643 | size_t i; |
---|
| 644 | for (i = 0; i < _nValues; i += _nComponents) { |
---|
[2843] | 645 | double vx, vy, vz, vm; |
---|
[1434] | 646 | |
---|
[2843] | 647 | vx = _values[i]; |
---|
| 648 | vy = _values[i+1]; |
---|
| 649 | vz = _values[i+2]; |
---|
| 650 | |
---|
| 651 | vm = sqrt(vx*vx + vy*vy + vz*vz); |
---|
| 652 | if (vm > _magMax) { |
---|
| 653 | _magMax = vm; |
---|
| 654 | } |
---|
| 655 | if (vm < _magMin) { |
---|
| 656 | _magMin = vm; |
---|
| 657 | } |
---|
[1434] | 658 | } |
---|
[3452] | 659 | TRACE("getVectorRange: %g %g", _magMin, _magMax); |
---|
[1434] | 660 | } |
---|
[1447] | 661 | |
---|
| 662 | bool |
---|
[4056] | 663 | nv::Unirect3d::convert(nv::Unirect2d *dataPtr) |
---|
[1447] | 664 | { |
---|
| 665 | _initialized = false; |
---|
| 666 | |
---|
| 667 | _xValueMin = dataPtr->xValueMin(); |
---|
| 668 | _yValueMin = dataPtr->yValueMin(); |
---|
| 669 | _zValueMin = 0.0; |
---|
| 670 | _xMin = dataPtr->xMin(); |
---|
| 671 | _yMin = dataPtr->yMin(); |
---|
| 672 | _zMin = 0.0; |
---|
| 673 | _xMax = dataPtr->xMax(); |
---|
| 674 | _yMax = dataPtr->yMax(); |
---|
| 675 | _zMax = 0.0; |
---|
| 676 | _xNum = dataPtr->xNum(); |
---|
| 677 | _yNum = dataPtr->yNum(); |
---|
| 678 | _zNum = 1; |
---|
| 679 | switch (dataPtr->nComponents()) { |
---|
| 680 | case 1: |
---|
| 681 | case 3: |
---|
[2843] | 682 | _values = (float *)realloc(_values, sizeof(float) * dataPtr->nValues()); |
---|
| 683 | if (_values == NULL) { |
---|
| 684 | return false; |
---|
| 685 | } |
---|
| 686 | memcpy(_values, dataPtr->values(), dataPtr->nValues()); |
---|
| 687 | _nValues = dataPtr->nValues(); |
---|
| 688 | _nComponents = dataPtr->nComponents(); |
---|
| 689 | break; |
---|
[1447] | 690 | case 2: |
---|
[2843] | 691 | float *values; |
---|
| 692 | _nValues = 3 * _xNum * _yNum * _zNum; |
---|
| 693 | _values = (float *)realloc(_values, sizeof(float) * _nValues); |
---|
| 694 | if (_values == NULL) { |
---|
| 695 | return false; |
---|
| 696 | } |
---|
| 697 | values = dataPtr->values(); |
---|
| 698 | size_t i, j; |
---|
| 699 | for (j = i = 0; i < dataPtr->nValues(); i += 2, j+= 3) { |
---|
| 700 | _values[j] = values[i]; |
---|
| 701 | _values[j+1] = values[i+1]; |
---|
| 702 | _values[j+2] = 0.0f; |
---|
| 703 | } |
---|
| 704 | _nComponents = 3; |
---|
| 705 | break; |
---|
[1447] | 706 | } |
---|
| 707 | return true; |
---|
| 708 | } |
---|