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  • Will it be possible to have two threads operating on the same string Yes Generally speaking Delphi 5 strings are thread safe but strings in earlier versions were not This does not mean any action performed on a string can be done without the proper synchronization though Write access to strings across threads should always be protected by a critical section or a similar mechanism This is true for any

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/1999/1218a.txt (2016-02-14)
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  • lot for the info it is helpful I had checked the System unit and it is set to but here is the problem DecimalSeparator is defined in SysUtils and it reflects the setting of the decimal separator in the country applet of Control Panel It is very bad practice to rely on DecimalSeparator beeing some specific character doing so makes you application unusable on systems using other country settings than

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/2000/0516.txt (2016-02-14)
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  • BEGIN IF x 1 0 THEN arcos 0 0 ELSE IF x 0 0 THEN arcos 0 5 pi ELSE arcos 0 5 pi ARCTAN x SQRT 1 0 x x END arcos FUNCTION GreatCircle lat1 lng1 lat2 lng2 REAL degrees REAL miles VAR RadiansPerDegree REAL BEGIN RadiansPerDegree pi 180 lat1 RadiansPerDegree lat1 lng1 RadiansPerDegree lng1 lat2 RadiansPerDegree lat2 lng2 RadiansPerDegree lng2 GreatCircle 3956 67 miles or 6367 650 km

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/1996/0129.txt (2016-02-14)
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  • t Point BEGIN IF n 0 THEN BEGIN r x 2 0 a x b x 3 0 r y 2 0 a y b y 3 0 t x a x 2 0 b x 3 0 t y a y 2 0 b y 3 0 middle x a x b x 2 0 middle y a y b y 2 0 xDelta b x a x yDelta b y a y s x middle x factor yDelta s y middle y factor xDelta SetColor LightBlue w MoveTo2D a x a y blank this line w LineTo2D b x b y SetColor draw w MoveTo2D a x a y add new lines w LineTo2D r x r y w LineTo2D s x s y w LineTo2D t x t y w LineTo2D b x b y NextSegments a r n 1 NextSegments r s n 1 NextSegments s t n 1 NextSegments t b n 1 END END NextSegments PROCEDURE KochSnowflake a b c Point n WORD BEGIN SetLineStyle SolidLn 0 NormWidth SetColor Draw w MoveTo2D a x a y w LineTo2D b x b y NextSegments a b n w MoveTo2D b x b y w LineTo2D

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/1997/0219.txt (2016-02-14)
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  • wrote in message news 7vqjep 57i 1 newssvr04 int news prodigy com I have a 3 vectors forming a triangle transformed to screen space X Y pixel positions and Z for the zbuffer How do I calc a Z value from the triangle s Z values for any x y point inside the triangle Let the points be x0 y0 z0 x1 y1 z1 x2 y2 z2 Given x y

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/1999/1103a.txt (2016-02-14)
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  • 14 21 00 EST Newsgroups comp graphics algorithms Cory Brown wrote Are their any resources on the internet concerning converting RGB channels so that they simulate various forms of colour blindness Any magic one liners out there There are many different kinds of color vision defects but some of the most common forms are representable as reduced forms of normal color vision One starts out with three color matching functions representative of normal color vision and boils them down to two by linear combination The color matching functions of both normal and color defective observers are presented in great detail in the book Wyszecki Guenter and W S Stiles Color Science Concepts and Methods Quantitative Data and Formulae 2nd edition Wiley 1982 This is an excellent text that is worth tracking down There should be enough information there to construct the matrices to go from RGB to some other two dimensional space RGB is OK since the normal trichromatic color matching functions are implicit in them One then has to assign colors to the two axes that result and it is a philosophical question as to what the colors actually look like to a color defective observer As for one

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/2000/0229.txt (2016-02-14)
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  • 190 120 175 X Trace news02 optonline net 1010192707 24 190 120 175 Fri 04 Jan 2002 20 05 07 EST NNTP Posting Date Fri 04 Jan 2002 20 05 07 EST Organization Optimum Online Xref newsmst01 news prodigy com sci engr color 6309 Just keep in mind that the NBS Special Publ 440 listing is in terms of Munsell notations illuminant C and the 1931 standard observer The color names and spacing will not be correct for D50 most CRTs or any fluorescent lamp Some of the other citations are one person s perhaps an artist opinion The more familiar she is with current market trends the more likely the color names will in common usage Consider Newtons famous ROYGBIV of the rainbow The names Red Orange Yellow Green we recognize but what about Blue Indigo Violet His term Blue is more like our term Cyan and his term Indigo is like our not yet bleached Levi Strauss denim work clothes His violet will have none of the red tones that we have come to associate with the flower or pigments all of which have a high reflectance in the red end of the spectrum that stimulate both our

    Original URL path: http://www.efg2.com/Lab/Library/UseNet/2002/0104.txt (2016-02-14)
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  • bisque1 238 213 183 bisque2 205 183 158 bisque3 139 125 107 bisque4 255 218 185 PeachPuff1 238 203 173 PeachPuff2 205 175 149 PeachPuff3 139 119 101 PeachPuff4 255 222 173 NavajoWhite1 238 207 161 NavajoWhite2 205 179 139 NavajoWhite3 139 121 94 NavajoWhite4 255 250 205 LemonChiffon1 238 233 191 LemonChiffon2 205 201 165 LemonChiffon3 139 137 112 LemonChiffon4 255 248 220 cornsilk1 238 232 205 cornsilk2 205 200 177 cornsilk3 139 136 120 cornsilk4 255 255 240 ivory1 238 238 224 ivory2 205 205 193 ivory3 139 139 131 ivory4 240 255 240 honeydew1 224 238 224 honeydew2 193 205 193 honeydew3 131 139 131 honeydew4 255 240 245 LavenderBlush1 238 224 229 LavenderBlush2 205 193 197 LavenderBlush3 139 131 134 LavenderBlush4 255 228 225 MistyRose1 238 213 210 MistyRose2 205 183 181 MistyRose3 139 125 123 MistyRose4 240 255 255 azure1 224 238 238 azure2 193 205 205 azure3 131 139 139 azure4 131 111 255 SlateBlue1 122 103 238 SlateBlue2 105 89 205 SlateBlue3 71 60 139 SlateBlue4 72 118 255 RoyalBlue1 67 110 238 RoyalBlue2 58 95 205 RoyalBlue3 39 64 139 RoyalBlue4 0 0 255 blue1 0 0 238 blue2 0 0 205 blue3 0 0 139 blue4 30 144 255 DodgerBlue1 28 134 238 DodgerBlue2 24 116 205 DodgerBlue3 16 78 139 DodgerBlue4 99 184 255 SteelBlue1 92 172 238 SteelBlue2 79 148 205 SteelBlue3 54 100 139 SteelBlue4 0 191 255 DeepSkyBlue1 0 178 238 DeepSkyBlue2 0 154 205 DeepSkyBlue3 0 104 139 DeepSkyBlue4 135 206 255 SkyBlue1 126 192 238 SkyBlue2 108 166 205 SkyBlue3 74 112 139 SkyBlue4 176 226 255 LightSkyBlue1 164 211 238 LightSkyBlue2 141 182 205 LightSkyBlue3 96 123 139 LightSkyBlue4 198 226 255 SlateGray1 185 211 238 SlateGray2 159 182 205 SlateGray3 108 123 139 SlateGray4 202 225 255 LightSteelBlue1 188 210 238 LightSteelBlue2 162 181 205 LightSteelBlue3 110 123 139 LightSteelBlue4 191 239 255 LightBlue1 178 223 238 LightBlue2 154 192 205 LightBlue3 104 131 139 LightBlue4 224 255 255 LightCyan1 209 238 238 LightCyan2 180 205 205 LightCyan3 122 139 139 LightCyan4 187 255 255 PaleTurquoise1 174 238 238 PaleTurquoise2 150 205 205 PaleTurquoise3 102 139 139 PaleTurquoise4 152 245 255 CadetBlue1 142 229 238 CadetBlue2 122 197 205 CadetBlue3 83 134 139 CadetBlue4 0 245 255 turquoise1 0 229 238 turquoise2 0 197 205 turquoise3 0 134 139 turquoise4 0 255 255 cyan1 0 238 238 cyan2 0 205 205 cyan3 0 139 139 cyan4 151 255 255 DarkSlateGray1 141 238 238 DarkSlateGray2 121 205 205 DarkSlateGray3 82 139 139 DarkSlateGray4 127 255 212 aquamarine1 118 238 198 aquamarine2 102 205 170 aquamarine3 69 139 116 aquamarine4 193 255 193 DarkSeaGreen1 180 238 180 DarkSeaGreen2 155 205 155 DarkSeaGreen3 105 139 105 DarkSeaGreen4 84 255 159 SeaGreen1 78 238 148 SeaGreen2 67 205 128 SeaGreen3 46 139 87 SeaGreen4 154 255 154 PaleGreen1 144 238 144 PaleGreen2 124 205 124 PaleGreen3 84 139 84 PaleGreen4 0 255 127 SpringGreen1 0 238 118 SpringGreen2 0 205 102 SpringGreen3 0 139 69 SpringGreen4 0 255 0 green1 0 238 0 green2 0 205 0 green3 0 139 0 green4 127 255 0 chartreuse1 118 238 0 chartreuse2 102 205 0 chartreuse3 69 139 0 chartreuse4 192 255 62 OliveDrab1 179 238 58 OliveDrab2 154 205 50 OliveDrab3 105 139 34 OliveDrab4 202 255 112 DarkOliveGreen1 188 238 104 DarkOliveGreen2 162 205 90 DarkOliveGreen3 110 139 61 DarkOliveGreen4 255 246 143 khaki1 238 230 133 khaki2 205 198 115 khaki3 139 134 78 khaki4 255 236 139 LightGoldenrod1 238 220 130 LightGoldenrod2 205 190 112 LightGoldenrod3 139 129 76 LightGoldenrod4 255 255 224 LightYellow1 238 238 209 LightYellow2 205 205 180 LightYellow3 139 139 122 LightYellow4 255 255 0 yellow1 238 238 0 yellow2 205 205 0 yellow3 139 139 0 yellow4 255 215 0 gold1 238 201 0 gold2 205 173 0 gold3 139 117 0 gold4 255 193 37 goldenrod1 238 180 34 goldenrod2 205 155 29 goldenrod3 139 105 20 goldenrod4 255 185 15 DarkGoldenrod1 238 173 14 DarkGoldenrod2 205 149 12 DarkGoldenrod3 139 101 8 DarkGoldenrod4 255 193 193 RosyBrown1 238 180 180 RosyBrown2 205 155 155 RosyBrown3 139 105 105 RosyBrown4 255 106 106 IndianRed1 238 99 99 IndianRed2 205 85 85 IndianRed3 139 58 58 IndianRed4 255 130 71 sienna1 238 121 66 sienna2 205 104 57 sienna3 139 71 38 sienna4 255 211 155 burlywood1 238 197 145 burlywood2 205 170 125 burlywood3 139 115 85 burlywood4 255 231 186 wheat1 238 216 174 wheat2 205 186 150 wheat3 139 126 102 wheat4 255 165 79 tan1 238 154 73 tan2 205 133 63 tan3 139 90 43 tan4 255 127 36 chocolate1 238 118 33 chocolate2 205 102 29 chocolate3 139 69 19 chocolate4 255 48 48 firebrick1 238 44 44 firebrick2 205 38 38 firebrick3 139 26 26 firebrick4 255 64 64 brown1 238 59 59 brown2 205 51 51 brown3 139 35 35 brown4 255 140 105 salmon1 238 130 98 salmon2 205 112 84 salmon3 139 76 57 salmon4 255 160 122 LightSalmon1 238 149 114 LightSalmon2 205 129 98 LightSalmon3 139 87 66 LightSalmon4 255 165 0 orange1 238 154 0 orange2 205 133 0 orange3 139 90 0 orange4 255 127 0 DarkOrange1 238 118 0 DarkOrange2 205 102 0 DarkOrange3 139 69 0 DarkOrange4 255 114 86 coral1 238 106 80 coral2 205 91 69 coral3 139 62 47 coral4 255 99 71 tomato1 238 92 66 tomato2 205 79 57 tomato3 139 54 38 tomato4 255 69 0 OrangeRed1 238 64 0 OrangeRed2 205 55 0 OrangeRed3 139 37 0 OrangeRed4 255 0 0 red1 238 0 0 red2 205 0 0 red3 139 0 0 red4 255 20 147 DeepPink1 238 18 137 DeepPink2 205 16 118 DeepPink3 139 10 80 DeepPink4 255 110 180 HotPink1 238 106 167 HotPink2 205 96 144 HotPink3 139 58 98 HotPink4 255 181 197 pink1 238 169 184 pink2 205 145 158

    Original URL path: http://www.efg2.com/Lab/Library/Color/rgb.txt (2016-02-14)
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