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ivac2:firdef_map_path [2015/06/07 23:02] splendor.bouman [path element] |
ivac2:firdef_map_path [2017/11/24 11:21] (current) splendor.bouman |
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| ====== path element ====== | ====== path element ====== | ||
| - | Use a path element to draw a line or polygon consisting of a series of points in a path. | + | Use a path element to draw a line or polygon whose shape consists of a series of points in a path. |
| + | ^Root Element|map|| | ||
| ^Element|path|| | ^Element|path|| | ||
| ^Attribute^Format^Remarks^ | ^Attribute^Format^Remarks^ | ||
| - | |pattern|double array|line pattern described in an array of doubles| | + | |stroke_pattern|double array|line [[firdef_map_pattern|pattern]] described in an array of doubles| |
| |stroke_width|float|line width in pixels| | |stroke_width|float|line width in pixels| | ||
| |stroke_color|string|color id name| | |stroke_color|string|color id name| | ||
| |fill_color|string|color id name| | |fill_color|string|color id name| | ||
| |close|boolean|close path yes/no| | |close|boolean|close path yes/no| | ||
| + | |followgrid|boolean|If true, paths follow grid (rhumb line). If false paths follow great circle ''NEW''| | ||
| Each path consists of at least two <point> elements where each <point> is connected to the next <point>. The shape is closed if close="true" is defined. | Each path consists of at least two <point> elements where each <point> is connected to the next <point>. The shape is closed if close="true" is defined. | ||
| {{:ivac2:firdef:firdef_opengl_linestrip.png?|}} | {{:ivac2:firdef:firdef_opengl_linestrip.png?|}} | ||
| - | |||
| - | |||
| - | The drawing can be written as: | ||
| <code XML> | <code XML> | ||
| - | <path stroke_color="myPredefinedColor" stroke_width="1"> | + | <path stroke_color="myPredefinedColor" stroke_width="1" > |
| <point x="v0 x" y="v0 y" /> | <point x="v0 x" y="v0 y" /> | ||
| <point x="v1 x" y="v1 y" /> | <point x="v1 x" y="v1 y" /> | ||
| Line 27: | Line 26: | ||
| </code> | </code> | ||
| - | + | By adding a fill_color the shape can be filled in | |
| - | <HTML> | + | |
| - | <p style="border:1px dashed #C11B17;color:#C11B17;"> | + | |
| - | Use <b>path</b> instead of <b>lines</b> to draw continuous lines. | + | |
| - | </p> | + | |
| - | </HTML> | + | |
| - | + | ||
| - | By adding a fill_color the path can be filled in to form a polygon | + | |
| {{:ivac2:firdef:firdef_opengl_polygon.png?|}} | {{:ivac2:firdef:firdef_opengl_polygon.png?|}} | ||
| Line 49: | Line 41: | ||
| </code> | </code> | ||
| - | ---- | + | The fill_color and stroke_color attributes may be combined on a single path to form a filled shape with a distinct border color. |
| - | [[ivac2:firdef|Back]] | + | |
| - | ===== examples ===== | + | ===== Examples ===== |
| The following code draws a rectangle: | The following code draws a rectangle: | ||
| Line 65: | Line 56: | ||
| </code> | </code> | ||
| + | The following code draws the same rectangle, with a fill color and a patterned border: | ||
| + | |||
| + | <code XML> | ||
| + | <path stroke_color="myPredefinedColor" stroke_pattern="2,2" fill_color="otherPredefinedColor" close="true"> | ||
| + | <point lat="N0504413" lon="E0043108"/> | ||
| + | <point lat="N0504421" lon="E0042601"/> | ||
| + | <point lat="N0504528" lon="E0042119"/> | ||
| + | <point lat="N0504730" lon="E0041718"/> | ||
| + | </path> | ||
| + | </code> | ||