In computing an event is an action that is usually initiated outside the scope of a program and that is handled by a piece of code inside the program
0
votes
1answer
30 views
Marker layer not responding to events in OpenLayers
I have multiple layers in OpenLayers: three vector layers, one google map layer, and a marker layer. I registered feature selected event to all three vector layers (which works fine, but btw is that a ...
0
votes
1answer
150 views
Understanding DrawFeature and other events in the same time in OpenLayers
Scenario 1:
Let's say I have something like this:
`app_obj.MapObj.map.events.register("click", app_obj.MapObj.map, self.pointToVideoSearch);`
and another Click Control
OpenLayers.Control.Click = ...
0
votes
1answer
169 views
How to keep bound popups from opening on [click]?
I am working on a map application which creates and binds popups on markers and polyline objects.
The popups are created and bound lazily, i.e. ad-hoc when a user clicks on a specific object. The ...
0
votes
1answer
64 views
Create road speed limit segments with linear referencing
I have a route-feature class and a point feature class with speed limit signs. In ArcMap I am capable to reference the signs on the route with help of a reference field and using the locate features ...
3
votes
2answers
908 views
How to list ActiveView SelectionChanged event delegates in ArcObjects .NET?
I currently have an issue in an ArcObjects ArcMap add-in where my event handlers are seemingly-randomly being unhooked from the event I'm trying to catch. I've spent some time looking for a way to ...
7
votes
3answers
2k views
ArcObjects (ArcGIS for Desktop and C#): How to cast between the ArcMap COM UI and my custom .Net UserControl objects?
I'm creating a utility to run in ArcGIS for Desktop using ArcObjects (9.3.1 SDK) and C#.Net. My prototype involves a toolbar with two comboboxes and a tool. The first combo selects a layer in the TOC, ...
1
vote
0answers
40 views
Cancel event in Python Gp tools with arcpy
In GP-tools written in C# (ArcObjects) we can listen for the Cancel-event and react on that. I wonder if there is anything similar in Python GP-tools applying arcpy.
I googled that issue and the only ...
0
votes
1answer
88 views
ESRI JS API - don't trigger onClick event when panning Map
I have a custom onClick handler for my map that is meant to add a point wherever the map is clicked. I'm finding that this function is triggered even when I click the map to pan. Is it possible to ...
0
votes
0answers
61 views
Why does Openlayers loadend event run twice?
Openlayers loadend event run twice on version 2.10. See my code:
layer.events.register("loadend", layer, function() {
//Do something
});
No answer on openlayers docs.
5
votes
2answers
327 views
How to filter the MouseWheel event in a QGIS C++ plugin?
I’m developing a C++ plugin for Qgis and I want to filter/override the mouse-wheel event.
I created a “maptool” to select a polygon feature on a vector layer, the feature has two attributes : an id ...
3
votes
1answer
66 views
ArcObjects: Perform action upon refresh command in the TOC
We are using custom layers in our plugin used in ArcScene/ArcMap. For quite some time we were trying to figure out how to hook into the event occuring when the user selects "Refresh" in the right ...
2
votes
1answer
76 views
postgis values within XYZ viewport in openlayers
I got this XYZ server where I get my maptiles.
Now, when the user is at zoom level 1 ( closest). I want it to execute a command that gets the current viewport from the map and Queries my PostGIS ...
1
vote
1answer
56 views
How to abort a layer event in Openlayers
I have a problem ( How to stop features to redraw unwillingly in OpenLayers ) that might be solved by aborting the beforefeatureremoved or beforefeaturesremoved event.
What I would like to to is to ...
6
votes
3answers
465 views
How do I stop event propagation with rightclick on Leaflet marker?
I didn't find a rightclick event in Leaflet markers so I started listening to the mousedown event. In the method that resolves this event I check
if (event.originalEvent.button == 2) {
...
2
votes
5answers
2k views
Event listeners after each plotting of a point of a Polygon Vector in OpenLayers
I am quite new to OpenLayers. I have a polygonLayer for users to draw polygon vectors. The plotting feature is working fine.
polygonLayer = new OpenLayers.Layer.Vector("Polygon Layer");
...
6
votes
2answers
352 views
How to trigger registered events in Openlayers?
I am building a web application where I need to compare 2 different maps of the same area, I need for the events on one map to automatically be triggered on the other map.
I have so far: ...
0
votes
0answers
280 views
Why does map click listener not work with touch?
I deleted this question which I posted a few days ago, thinking that I would be able to solve it. But after struggling for some time, I think I really need some help. The problem is this: I am testing ...
2
votes
1answer
197 views
Why does destroying a popup cause a “this.events is null” error?
I am trying to create dynamically generated popups in OpenLayers with a mouseover event. According to the documentation, it is recommended that the popups be destroyed after use to avoid memory leaks. ...
2
votes
1answer
224 views
How to record a base layer change event in OpenLayers?
The OpenLayers.Control class possesses an eventListener property which could be used in the layer switcher control. I am not sure how to make use of it to detect a base layer change event so that I ...
2
votes
1answer
313 views
How to suppress moveend event while switching the base layer?
I have created a map that contains a two base layers (Google Street Map and Open Street Map). A moveend event listener is registered to listen for any map movement which would perform a function call ...
1
vote
0answers
168 views
How to trigger a map click event?
I have a map with some markers. On clicking a marker, a popup would appear and on clicking the map, any visible popup would be hidden. I want to hide any currently visible popup upon clicking a marker ...
2
votes
1answer
127 views
Streaming polyline while adding records to related tables in ArcPad
I'm designing an ArcPad solution for our field staff; we collect point data and use lines to identify the amount of 'effort' (and to maintain accountability).
While collecting a 'streaming polyline' ...
1
vote
1answer
319 views
openlayers trigger hover event
I have a bunch of tracks on screen in a vector layer. I used some hover and select styles in the layer styleMap and these styles are properly triggered by:
var highlightCtrl = new ...
2
votes
1answer
682 views
OpenLayers: add a listener to a single polygon
I want to add a listener to a single polygon. Currently, I am trying to add one that makes a polygon opaque when you click on it, but I should be able to add any general listener. OpenLayers.Layer has ...
2
votes
0answers
47 views
How to prevent the user from moving the feature?
I want to prevent the user from moving the feature in ArcMap when editing.
I used OnChangeFeature event but it does not work.
void m_editEvents_OnChangeFeature(IObject obj)
{
...
2
votes
1answer
86 views
How to use IObjectClassEvents?
I need to use IObjectClassEvents in my project. I don't know how to start, can any one give me a simple explanation, or an example in C#.
3
votes
1answer
69 views
How to prevent user from deleting a feature?
How can I prevent the user from deleting a feature?
void m_editEvents_OnDeleteFeature(IObject obj)
{
// Code
}
3
votes
1answer
2k views
OpenLayers - On Map Move?
In my OpenLayers web app I have registered an onmousemove event which performs certain functions. What I am really after though is a way to register and handle the user panning or zooming the map.
...
2
votes
1answer
89 views
How to cancel the edit session?
I want to prevent the user from starting an edit session under certain conditions.
How can I do that?
void m_editEvents_OnStartEditing()
{
// Code
}
1
vote
1answer
98 views
Listen to edit events
I recently started working on ArcMap.
I want to make some changes to the edit tools.
For example I want to prevent the user from using the sketch tool when the time is between 1pm and 2pm
But I ...
2
votes
1answer
719 views
OpenLayers popup - random losing click event, have to refresh page
I have a OpenLayers, Mapfish, GeoServer map on a webpage. I am using
OpenLayers.Popup and getFeaturesInfo to get the attributes from GeoServer (2.1.3).
I have several wms layers with markers and ...
3
votes
1answer
2k views
Showing menu based on right click on Point Geometry in Javascript
I have implemented a vector layer(using javascript) in open layers which is having point geometry.
Now my requirement is to show menu just besides with the point whenever we do right-click on
...
3
votes
2answers
3k views
Will mousedown events fire with Touch events on OpenLayers mobile?
I can't get the mousedown event to fire on a mobile device when I click on a marker. I'm using openlayers 2.11 with TouchNavigation. The mousedown event fires just fine in Chrome on my Desktop. Are ...
1
vote
1answer
375 views
ArcObjects - Listening for Map Click in ArcMap
I have a seemingly simple requirement that is causing me all types of headaches - listening for a map click event in ArcMap via ArcObjects. Simple as that, just tell me when the map is clicked (and ...
1
vote
0answers
81 views
ArcObjects - IGraphicsContainerEvents_ElementAddedEventHandler Unregisters After a Few Fires
I am using IGraphicsContainerEvents_ElementAddedEventHandler to do stuff with graphics added by users in an ArcMap session using the standard drawing toolbar. As the code snippet below shows, its a ...
2
votes
2answers
433 views
ArcMap - Strange Behavior When Trying To Wire IActiveViewEvents in IDockableWindow
I can't seem to wire up IActiveViewEvents for an IDockableWindow. I am using a straight out-of-the-box IDockableWindow which inherits BaseCommand. The snippet below shows what I have added to the ...
10
votes
5answers
618 views
Best GIS Day Ideas?
Given that today is GIS Day I was wondering what people had run/been to/ had ideas for as function for GIS day.
I have seen a few I have liked but any other stories would be awesome.
Thanks,
CDB
1
vote
2answers
2k views
SelectFeature not working in OpenLayers
I'm still sort of new to openlayers, but I've been able to set up a map which reads in a KML, loops through the different regions contained therein, and draws those polygons on a vector layer overtop ...
5
votes
2answers
240 views
ArcObjects Class Extension - core events not being fired by an editing tool
I think I've just hit a major limitation with how ArcMap (10) deals with class extensions on a Feature Class but I would first like to make sure I'm not missing something or seeing a bug.
I have a ...
0
votes
0answers
79 views
Which events are fired when the mapscale changes? [duplicate]
Possible Duplicate:
How to catch when scale is changed in ArcGIS?
Are there any events which are fired when the user changes the mapscale by zooming?
What I finally want to do is limiting ...
4
votes
1answer
3k views
register event “loadend” on layer
I'm trying to register a listener event on "loadend" for my google maps layer on OpenLayers. But for some reason it's not firing. There must be something small i'm overlooking. What is wrong with my ...
4
votes
3answers
446 views
Type of event dispatched when the user double-clicks the map
I am currently working with a drawing tool for the ESRI Flex API, and every time I double-click the mouse a map service will perform a measurement and display the length of the line that I am drawing.
...
3
votes
1answer
162 views
How to release Events
I want to use the OnCreateFeature-Event to combine it with other actions. So I use
Events.OnCreateFeature += delegate(IObject obj) { LoopTools_OnCreateFeature(obj); };
to listen to this event. ...
3
votes
2answers
1k views
Counting Events Per Polygon Feature
I would like to calculate the total number of events within each feature of a polygon using a dbf file and a polygon shapefile.
Is there an easy way to automate this so I can then produce charts per ...
3
votes
2answers
4k views
How to implement mouse down event when the user clicks on the map?
Newbie programming in C#.net.
I have a very simple desktop application in in arcmap.
I'm trying to get the coordinates when a user clicks a button on a toolbar and when click the map.
The toolbar is ...
