0
votes
0answers
23 views

Mapnik: GeoTIFF flipped (mirrored vertically)

I generated a GeoTiff using the QGIS HeatMap plugin and want to render it on top of some OSM data. The problem is that the raster gets rendered upside-down in the output. Can someone point me in the ...
0
votes
0answers
24 views

Relationship between MS Access DB and Google Maps API/Fusion Tables

We are having an issue with a project that we are working on using Google API and M.S Access. Our project goal is to design a web map in Google API where we can select a parcel of land and have all of ...
0
votes
0answers
6 views

Gdalwarp script misbehaving in Qgis 2.0, size increasing

My code: mask = str(shpLayer.source()) output = "C:/Users/.../crop.tif" inputt = str(rasterLayer.source()) subprocess.call(["gdalwarp","-q","-cutline",mask,"-crop_to_cutline",inputt,output], shell = ...
0
votes
0answers
12 views

How to customize layer context menu for a specific ArcMap project?

Is it possible to customize group layer, feature layer, raster layer and table context menus in the TOC for a specific ArcMap document (VB.NET)? The goal is to add custom tools, specific to the layer ...
0
votes
0answers
15 views

Make a raster with pixel scale 100 by 100 meter with gdal_rasterize

I'm asking here, because, I've got great results last time. Here it is the next of my adventure with gdal_rasterize, I want to make a raster picture where each pixel correspond to a square of 100 by ...
0
votes
0answers
20 views

Don't cancel the click event on a SelectFeature

On my OpenLayers map I have a custom Control that has a ClickHandler. I also have a SelectFeature on one of my layers. I need the ClickHandler to fire even if a SelectFeature is clicked. I tried: ...
0
votes
0answers
29 views

Clip tool not working: 000735 error?

I am trying to use the clip tool. When i select it from the list, a window opens however it is greyed-out. i cannot enter any imput or clip features. 'Environments...' does not allow me to select any ...
0
votes
0answers
27 views

How to add the attributes of selected features to my new layer in pyqgis

I am trying to create a layer from the selected points coordinates. I am drawing a circle to the coordinate of selected points. I also need to add initial attributes of my selected features to my new ...
0
votes
0answers
21 views

Myanmar Datum 2000 information

Does anybody know where I can find the technical details for Burma's latest datum? It's called Myanmar Datum 2000 and I can't find any details online. I need the details to create a custom datum on my ...
0
votes
0answers
24 views

Trilateration Math Check

I'm trying to crate an indoor trilateration program working off of N BLE objects. Where I have any number of beacons in a room and my ipad can track its location within them to a sub meter degree of ...
0
votes
0answers
17 views

processing with xslt-

on opensuse 13.1 i try to do some gis-works with a large file: france-latest.osm.bz2 which i gathered from here: http://download.geofabrik.de/europe.html what do i do with that file ...
0
votes
0answers
17 views

OpenLayers GeoJson style

I have a GeoJson that I'm displaying in OpenLayers. I created a style map and added it to a layer. The problem is that in GeoJSON I have two types of features - Points and Linestring. And they both ...
0
votes
0answers
12 views

Difference between Microstation and FME coordinates transformation

I'm trying to transform dgn v8i files and oracle database from NTF-Lambert 2 Centre to RGF93-CC45. I want to use Microstation to convert my dgn files and FME for my database. Both software use the ...
0
votes
0answers
37 views

Looking for WFS component for c# client

I have to retrieve data from FME server for use in a C# project, and thought that WFS would be a good format, since it has native support in FME and returns features and geometry. However, I can't ...
0
votes
0answers
18 views

How do I export sensor records from a Trimble GeoExplorer to a mapping program?

So I am fairly new with the GIS world and could use a lot of help!! I am currently surveying with a Trimble Geoexplorer 6000 XH What sort of mapping program can I use to export sensor records to ...
0
votes
0answers
6 views

using gdal2tiles 2 tile a png longlat. keep getting wrong coordinate box in google kmls

I have tried lots of variations, but can't seem to get gdal2tiles to do what it used to do. Prior version? images are 60N to 60S and 180W to 180E 9000 pix x 3000 lines. gdal2tiles keeps outputting ...
0
votes
0answers
9 views

GeoServer and Dynamic ColorMap Extension

I am running GeoServer 2.4.3 on Centos 6 using Tomcat6. Java version 1.7.0_51 OpenJDK I am trying to install and use the DynamicColorMap community extension. I extracted the jar in to WEB-INF/lib ...
0
votes
0answers
23 views

arcApplySymbologyFromLayer w/out adding to map

Is there a way to apply symbology from layer without adding to map. I have heard there an environment setting that may allow this? I am trying to both apply symbology and add layer at position in a ...
0
votes
0answers
22 views

Refresh Legend when a layer in TOC is checked/unchecked

I am using V3.5 of ArcGIS Javascript API. My web application has a legend dijit and nliu's TOC widget. The legend updates whenever the map extent changes. However in the TOC, when a layer is ...
0
votes
0answers
16 views

DEM/DSM from contour lines and slopes

I want to create a DEM with as much detail as possible. The problem is, that the area contains several (manmade) slopes. I got contour lines and lines that mark the location of the slopes, but no ...
0
votes
0answers
12 views

Import non spatial data into SQL Server using ogr2ogr

I am trying to import a CSV files in to SQL Server 2012 using ogr2ogr. The spatial data imports without any problems, but I cannot work out why the non spatial tables fail. I can import the data using ...
0
votes
0answers
13 views

Thematic shading with Geoserver shapefile and external datasource?

Extremely new to the world of GIS and Geoserver, and I'm trying to build a thematic mapper proof of concept for a project I'm working on. We have a bunch of shapefiles that contain district ...
0
votes
0answers
12 views

What units are the settings in the contour extraction tool of QGIS?

I am using a DEM to develop contours for a project area. I am using Raster>Extraction>Contour to develop the contours. One of the setting relates to the interval between contours. I selected 2 in ...
0
votes
0answers
14 views

Multiparts and Multigeometries: checking for multigeometries with PyQGIS?

I have been working with PyQGIS and writing a small script to check whether the layers I have in the MapCanvas have geometries of type "MultiXX" because I want to run the "Multipart to Singleparts" ...
0
votes
0answers
8 views

QGIS - OSM Place Search

I am new to QGIS and trying to follow http://www.qgistutorials.com/en/docs/downloading_osm_data.html But I am stuck as I do not have (1) Plugins/OSM Place Search (first picture) (2) OSM Place Search ...
0
votes
0answers
13 views

How to cut a polygon without snapping to a vertex?

I am familiar with editing polygon files in QGIS version 1.8. I have recently upgraded to version 2.0 but there seems to be a difference in the way it processes cuts. I used to be able to cut a ...
0
votes
0answers
15 views

How to rasterize a point layer? Cell value should be 1 if feature attribute is 1

I’m a fairly experienced GIS user, but I’m new to QGIS. I’m using version 2.2, and I’m trying to convert a point data layer into a raster data layer using the Rasterize tool. The point data layer has ...
0
votes
0answers
31 views

Leaflet + proj4js + EPSG:2180

I'm trying to add a WMS layer in EPSG:2180. I get the definition for EPSG:2180 from here and I am using this guide on GitHub to make a new CRS definition, but I think it is corrupted. It is not ...
0
votes
0answers
16 views

Min value (OD Cost Matrix)

I have an attribute table with columns that I have gained from running an OD Cost Matrix. In one column named "Total Minutes" I will select the lowest value (the shortest route). Then I will create a ...
0
votes
0answers
11 views

In QGIS Process Modeller, is it possible to automatically run a function on several layers without listing all combinations?

Trying to develop a Model which includes finding any intersections between layers and then merging them all into a single layer. I have 12 layers in total, it's not really efficient to list all the ...
0
votes
0answers
14 views

openlayers undoRedo and Ragbag of components library conflict

I am currently using this example (link below) for modifying feature http://jorix.github.io/OL-Ragbag/examples/modify-feature.html and now I'm trying to add functionality for undo/redo ...
0
votes
0answers
8 views

Connexion ODBC FilemakerPro10/QGIS 2.2.0

I try to establish an ODBC connection between a database FilemakerPro 10 and QGIS 2.2.0 software but I have some problems with installation. At first , I activated ODBC sharing my file in my Filemaker ...
0
votes
0answers
24 views

Reducing point numbers in a certain area

We have a list of poi data in our database(Access mdb db), and we have a web service which serve data by a specified BoundingBox. However we found that the returned points are too close to another at ...
0
votes
0answers
15 views

how to call click event on marker(may be a simple fill symbol elementt or picture symbol element) element using java arc objects

Hii I am new in GIS and java arcobjects. I have to call a click event on simple marker element on mapbean using java arc objects but i dont know how to do it. in my application I put approx 200 ...
0
votes
0answers
7 views

populate USSA and DSSA for Banks Layer in HEC-GeoRAS

georas and hec-ras for river flow simulation. . i was wondering why river banks do not have data to plot. when i click the bank and select "Edit Connection" it shows "No Data for Plot". .i run through ...
0
votes
0answers
15 views

Link GPS Data Logger to a website

Is there a way of linking GPS data logger to a self made website for tracking purposes? I want to create a tracking website which uses the data from GPS logger and connect to Google maps to show the ...
0
votes
0answers
26 views

How to calculate the area of an ellipse on the earth's surface using Python?

I have a dataset consisting of GPS coordinates. I use a clustering algorithm to generate a two dimensional Gaussian for me. The Gaussian takes the shape of an ellipse if visualized on the map. ...
0
votes
0answers
15 views

Is there a way to pass arguments to qbrowser?

is there a way to pass arguments to qbrowser? I was thinking that maybe one could use the QGIS browser as a simple shapefile viewer, but it would be nice if one could specify the folder/file it ...
0
votes
0answers
11 views

Layers change position when saving to another data format

When I save my map after using the composer, the layers move a little bit on the images of the OpenLayers plugin. It is like they ignore the CRS option. Do you have an idea?
0
votes
0answers
19 views

how to filter point features based on the filterted polygons with OpenLayers

I have one WFS polygon layer and one WFS point layer. The polygon layer has an attribute user_id. The web map has two requirements. Filter the polygons based on the attribute user_id. That is, a ...
0
votes
0answers
22 views

MSSQL Connection settings for QGIS

OK first lets get the blond elements out of the way- I'm not asking for how I connect to my actual database. What I'm asking for is an example or screen shot of the entries required when setting up a ...
0
votes
0answers
15 views

How to accurately join data based on 1x1 degree grid-cell points to a shapefile

In the data file each row represents a country and a grid-cell at 1x1 degree resolution, and the given coordinates, in longitude and latitude, label the south-west corner of the grid-cell. The ...
0
votes
0answers
26 views

calculate distance between points crossing the antimeridian

How can I calculate the distance between two points (lon/lat) if any of the points exceeds the antimeridian (+-180 longitude)? Im using the distVincentyEllipsoid {geosphere} to calculate the shortest ...
0
votes
0answers
19 views

Convert GPS to cartesian and scale to a bounding box

I've little knowledge about geographic systems and i'm gonna try to explain my problem the best i can. I've gps coordinates captured from a mobile device WGS84 store in a file, each file stores a ...
0
votes
0answers
23 views

OpenStreetMap Road and Polygon Data as 1x1 Degree Shapefiles

I am working on a global project for which I want to use OSM data as a model input. I am looking for advice on the best way to produce 1x1 degree WGS84 shapefiles from either regional extracts or the ...
0
votes
0answers
14 views

QGIS map tip / label showing a table

I have a MSSQQL Spatiatal layer with Point data (borehole locations, pointID) and a joint table lithology (soil info per borehole, pointID, depth from, depth to, constituent) Is there a way to use ...
0
votes
0answers
12 views

Can a joined-layer have its attribute changed depending on what layers are selected/deselected?

Using QGIS, I have a polygon-grid layer which covers everything, Layer_All joined with 2 other grid layers: Layer_1 and Layer_2, both of which intersect at various points. I would like Layer_All to ...
0
votes
0answers
13 views

display followers count on google maps using R

How can I plot the count of followers, locations wise on google maps- Im using R language my data is as below for(i in 1:25){print(friends_obj[[i]]$location)} [1] "London & Glasgow/Edinburgh, UK" ...
0
votes
0answers
6 views

Geomedia Objects Customization

I have created a form using VB.net based on Geomedia 2013. IN this form i have created a DATAGRID view in which i m able to see all the assets that are present in connected database with a click of a ...
0
votes
0answers
17 views

insertVertex giving false in pyQGIS

I have this code from my plugin which work in Qgis 1.8 and I am trying to make it work in 2.0. I want to insert a coordinate x and y into a polyline after the last entry. points = geom.asPolyline() ...

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