The vectors tag has no wiki summary.
1
vote
3answers
66 views
Openlayers vector feature coordinates are not transforming,
I have a OpenLayers vector with a single feature [0]. It's coordinates are in the map projection (EPSG:3413) and I want them in WGS84 (EPSG:4326) decimal degrees. I have the following code which ...
2
votes
1answer
68 views
OpenLayers: make polygons not zoom
I have a simple OpenStreetMap for which I want to display a series of circles. Each circle represents readership for that area, so its radius will change based on the numbers.
However, when I create ...
1
vote
1answer
31 views
Is there a way to traverse and select all vectors connected to a starting vector?
Preferably using QGis I'd like to remove errors from a road network .shp file and was wondering if there was a away to perform a flood fill or traversal on a vector layer to select all connected ...
2
votes
1answer
51 views
Where can I get a comprehensive list of Rules expression operators?
I'm selecting and styling my points layer on a contour map of Philadelphia using Rules Based Styling. (see: Can I use rules based rendering in QGIS to select features?). The filtering process using ...
5
votes
1answer
134 views
Create a new vector layer that fills space between other polygons in QGIS
I inherited a clipped (500m radius) land cover map containing vector layers of different land cover categories such as buildings, grass, roads, etc from a colleague.
The empty (white) space in ...
1
vote
1answer
211 views
Creating markers(vectors) in openlayers
I'm new to OpenLayers,currently in existing project they have created markers in openlayers map by using following code,
// vector layer creation
vLayer = new OpenLayers.Layer.Vector(layerName, {
...
1
vote
3answers
212 views
Where is the QGIS Parallel Line Plugin?
Somehow I believe to recall there does exist some ind of "draw paralel line" plugin for QGIS.
Could anyone please point me to - I cant find it :-/
1
vote
1answer
458 views
Dynamically adding features with cluster strategy
I am trying to dynamically add features to a vector layer, and use cluster strategy to group those features accordingly.
I am able to do this for the first set of data that gets loaded on the map.
...
1
vote
1answer
52 views
OpenLayers - vector boxes and paths
I'm using OpenLayers to make warehouse map.
How to prevent drawing lines (paths) over some vector objects already on the map?
2
votes
2answers
549 views
Multiple Maps with Styles not working in OpenLayers
I have created 2 maps(within 2 in a same page) along with their respective style maps.
Both maps are having vector layers along with "LineString" geometry... added into them.
Both style maps are ...
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
...
2
votes
1answer
533 views
how to get Coodinates after Resizing a feature Openlayers
I'm trying to display the coordinates of a Feature or vector layer after I use the modify radio button to resize my vector, but it does not work, nor on my drag feature. I'm using ...
0
votes
1answer
568 views
How to stop or deactivate draw polygon control after the first polygon has been drawn in Openlayers
I want to only be able to draw one circle on my map and then disable the control. Below is my code, Any suggestions?
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
...
0
votes
1answer
2k views
Openlayers get coordinates of a circle vector after draw
I have made a openlayers map. I have made two features on the map.
Navigate
DRAW POLYGON
I have made 40 sides to my polygon which turns out to be a circle.
After I have drawn my circle I want to ...
10
votes
4answers
2k views
How to move vectors to specified coordinates in QGIS?
I have a layer of vectors located around, say, (100, 100), and I want to move them to new coordinate like (1000, 1000). How should I do it? Preferably using QGIS.
2
votes
0answers
858 views
Extract parcel layers from vector pdf
So, I have an interesting problem... I have a PDF file which has over 100 pages and each of these pages is displaying a map in vector format.
By using some third party program I was able to find out ...
14
votes
3answers
891 views
What is the wire format for Google's new vector map tiles?
Google recently released new vector cartography for their mobile maps. I'm curious if anyone here has any insight into the wire format they use for transmission? I've experimented with a few formats ...


