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Can SimpleLineSymbol have a width smaller than 1?

MikeOnzay

The API states the width is in pixels. I have tried numbers smaller than 1 (0.5, 0.25, 0.05) and my lines, or outlines to my SimpleFillSymbols are still very wide. Is there another solution? I'm using a featurelayer.

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Accepted answers

derekswingley1

The parameters for SimpleFillSymbol constructor are style, outline and color. For simple fill symbols, style specifies the fill style. To work with the outline, you tweak the line symbol used by the fill symbol. Make sense?

There is an old demo (released with v1.1 of the API, I think) I still use from time to time to generate code for various symbols: http://serverx.esri.com/ArcGISJavaScriptAPI/CodeGallery/graphic_symbology.html

You almost always have to further tweak the JS generated there but it's a nice place to play around.

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derekswingley1

Good stuff. And thanks for marking my post as an answer.

MikeOnzay

It makes sense. And, thanks for the link to the demo!

derekswingley1

MikeOnzay

this is what I was doing:

var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID,
     new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID,
     new dojo.Color([0,0,0],0.1)),
     new dojo.Color([100,149,237,0.15]));

Then, after posting the original question, I changed the line style from STYLE_SOLID to NULL

var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID,
     new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.NULL,
     new dojo.Color([0,0,0])),
     new dojo.Color([255, 255, 0,0.15]));

and the polygon displays with the thin line that I expected to see in the first place. But, it doesn't make sense to me why it works because the API states that NULL means "The line has no symbol".

derekswingley1

Please post some code to show what you're doing.

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