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| The graphics conversion of MapGIS format based on SVG |
| Jin-Zheng YANG1,2, Chong-Tao QIU1,2, Peng CHEN1,2 |
1. Airborne Survey and Remote Sensing Center of Nuclear Industry,Shijiazhuang 050002,China
2. CNNC Key Laboratory for Geophysical Exploration Technology Center of Uranium Resource,Shijiazhuang 050002,China |
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Abstract Map drawing is one of the important means for researching geological science with multidisciplinary and multipurpose.It has drawn up a solution that the graphics exchange is carried out between the different kinds of mapping software used by SVG.Structures and attributes of graphic entities are described in comparison with MapGIS.Conversion and comparison between various color spaces and processing between SVG and MapGis are described in detail.The related codes of Python are partly presented.Practice shows that the conversion method has the advantages of higher precision,strong commonality and higher efficiency.
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Received: 13 December 2017
Published: 24 October 2018
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| 属性 | path(路径) | polygon(区) | polyline(线) | text(注释) | stroke颜色
| none(默认值)
“Hex颜色值” | none(默认值)
“Hex颜色值” | none(默认值)
“Hex颜色值” | none(默认值)
| | fill填充色 | “Hex颜色值” | “Hex颜色值” | none | none“Hex颜色值” | | stroke-width宽度 | “数值” | “数值” | “数值” | | | 位置坐标 | d=“x,y坐标值” | points=“x,y坐标值” | points=“x,y坐标值” | x=“x坐标值” y=“y坐标值” | | stroke-dasharray虚线 | | | “数值, 数值” | | | font-family注释字体 | | | | 字体名称,如:“Arial” “宋体” | | font-size注释大小 | | | | “数值” | | rotate注释角度 | | | | 角度值(°) |
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| MapGis专用颜色值 | Hex颜色值 | RGB颜色值 | | 1 | #000000 | (0,0,0) | | 2 | #00ffff | (0,255,255) | | 3 | #ff00ff | (255,0,255) | | 4 | #ffff00 | (255,255,0) | | 5 | #0000ff | (0,0,255) | | 6 | #ff0000 | (255,0,0) | | 7 | #00ff00 | (0,255,0) | | 9 | #ffffff | (255,255,255) | | … | … | … |
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| 偏差值(diffVaule)/10-4 | MapGisCode | RGB | CMYK | 备注 | | 0.244283 | 3245 | (151,255,69) | (40.784,0.0,72.941,0.0) | | | 0.0 | 1810 | (255,203,0) | (0.0,20.392,100.0,0.0) | | | 0.207552 | 3235 | (87,146,255) | (65.882,42.745,0.0,0.0) | | | 0.427186 | 1014 | (147,255,102) | (42.353,0.0,60.0,0.0) | | | 20.0170 | 1301 | (255,79,0) | (0.0,69.02,100.0,0.0) | 需添加色值 |
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