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ivac2:firdef_map_line [2014/04/19 22:23] filip.jonckers |
ivac2:firdef_map_line [2017/04/08 14:27] |
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| - | [[ivac2:firdef_toc|Back]] | ||
| - | ====== line element ====== | ||
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| - | Use a line element to draw a single point on the map. You might remember this one as the only way to draw objects in IVAC v1 sectorfiles. | ||
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| - | ^Element|line|| | ||
| - | ^Attribute^Format^Remarks^ | ||
| - | |stipple|integer|stipple line bitwise pattern definition| | ||
| - | |width|float|line width in pixels| | ||
| - | |color|string|color id name| | ||
| - | |r|byte|color RGB value (0-255)| | ||
| - | |g|byte|color RGB value (0-255)| | ||
| - | |b|byte|color RGB value (0-255)| | ||
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| - | Each line consists of an even amount of <point> elements where the first <point> is the start and the second <point> element is the end of the line to draw. | ||
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| - | {{:ivac2:firdef:firdef_opengl_line.png?|}} | ||
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| - | This drawing can be written as: | ||
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| - | <code XML> | ||
| - | <line color="myPredefinedColor"> | ||
| - | <point x="v0 x" y="v0 y" /> | ||
| - | <point x="v1 x" y="v1 y" /> | ||
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| - | <point x="v2 x" y="v2 y" /> | ||
| - | <point x="v3 x" y="v3 y" /> | ||
| - | </line> | ||
| - | </code> | ||
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| - | ===== Example ===== | ||
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| - | The following code draws a square: | ||
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| - | <code XML> | ||
| - | <line color="myPredefinedColor"> | ||
| - | <point lat="N0504413" lon="E0043108"/> | ||
| - | <point lat="N0504421" lon="E0042601"/> | ||
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| - | <point lat="N0504421" lon="E0042601"/> | ||
| - | <point lat="N0504528" lon="E0042119"/> | ||
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| - | <point lat="N0504528" lon="E0042119"/> | ||
| - | <point lat="N0504730" lon="E0041718"/> | ||
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| - | <point lat="N0504730" lon="E0041718"/> | ||
| - | <point lat="N0504413" lon="E0043108"/> | ||
| - | </line> | ||
| - | </code> | ||