[OpenMap Users] Click to start/end drawing an OMLine?

From: Renton Ian <ian.renton_at_uk.atlas-elektronik.com>
Date: Mon, 10 Sep 2012 14:45:08 +0100

Hi everyone,

Our software (based on OpenMap) allows the user to add objects to their map using a DrawingTool. Previous versions of our software only offered objects that were variations on OMPoint and OMPoly (as a PolyLine), for which the drawing tool behaviour is "click where you want a point".

Our new version includes the ability to draw things based on a single line, for which we have used the OMLine drawing tool. This tool's behaviour is "click and hold the start point, then drag and release at the end point".

Usability testers have found this behaviour quite unexpected, and have struggled to draw the line precisely on a laptop touchpad.

Is there any way built into OpenMap to draw an OMLine using one click at the start and one at the end (or alternatively, to constrain a PolyLine so that it has exactly two points and drawing automatically finishes after clicking the second point)?

If not, could anyone offer any advice as to where in the OpenMap drawing system I would have to start modifying/subclassing in order to achieve this?

Thanks,

Ian

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Ian Renton
UX / Software Engineer
ATLAS ELEKTRONIK UK
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Received on Mon Sep 10 2012 - 09:48:56 EDT