An object used to indicate a position, place, or route

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13
votes
3answers
577 views

How can I represent distance using the dashes or markers of a vector line?

I am a very basic user and dont know the lingo to get to the gist of my question so some background might help. Ive volunteered to create a pre-incident planning system for my rural fire department. ...
7
votes
6answers
6k views

How do I cluster XY point data? (ArcGIS 9.3)

I have a whole bunch of icons displaying on a map, I want these clustered together as was suggested to me for a different question here... ArcGIS 9.3. How do I increase Picture Marker Symbol ...
16
votes
4answers
14k views

How to define layer order in Openlayers?

I have a marker layer, two vector layers and two raster layers. The marker layer gets covered by the two raster layers. Is there a way to move the marker layer always on top? Edited: The order of ...
8
votes
1answer
5k views

Using Drop Markers and MarkerClusterer together?

I want to create a rather visually appealing representation of time-series data (Costco Store Locations w/ opening dates). My idea was to plot them on a map, in time-series, but it seems that the ...
4
votes
2answers
117 views

How to tell QGIS where to start marker line interval?

I want to tell QGIS where to start with a marker, like: use 3 markers, start at positions 0, 2, 4, and apply an interval of 12 to each marker. However, after searching for hours, I haven't found a ...
2
votes
2answers
1k views

Drop Markers and MarkerCluster together from database

I've been working on my map which gets it's details from a MySQL database. I use MarkerCluster Plus to cluster my markers but would like to add the drop animation to it. I found this thread, but ...
2
votes
2answers
2k views

ArcGIS 9.3. How do I increase Picture Marker Symbol performance?

I have a layer with 400 point features that display a picture marker symbol on the map. We expect this number to increase a great deal. Unfortunately it's already noticeably slow. This is being ...
1
vote
0answers
119 views

Extending “How to add complex Emergency Symbology (TrueType fonts) to QGIS?”

I have used the technique as outlined in How to add complex Emergency Symbology (TrueType fonts) to QGIS? but have run into some difficulty. I have used this technique for a map of water assets that ...