1
vote
2answers
723 views

GDAL/proj4 equirectangular projection coordinate system units assumed by OGRSpatialReference and GDALDataset::GetGeoTransform()?

How do I configure my OGRSpatialReference object to specify an equirectangular projection system http://en.wikipedia.org/wiki/Equirectangular_projection where the affine geo-transform matrix (provided ...
1
vote
0answers
18 views

ST_Buffer with segment AND endcap parameters

Making a QGis plugin that buffers a line and I want to declare a high number of segments and a flat endcap. ST_Buffer(geom, 40, 25, 'endcap=flat') This doesn't work with both parameters entered, ...
0
votes
0answers
13 views

QGIS topology overlap check

I have checked topology rule must not overlap with and i get error The problem is that i have check this many times, and made hole vertex after vertex so it is not possible that these objects ...
0
votes
1answer
186 views

Which method is better for display terrain in OpenLayers?

I want to display terrain in OpenLayers. So, I tried to use dem(.img) and convert it to dem(.jpg) on QGIS. But, the effect is very bad. My expected effect is (This picture is captured from google ...
0
votes
1answer
41 views

Problem rasterizing

I am trying to rasterize a shapefile using the "rasterize" tool in qgis. The problem is that the resulting raster doesn't seem to rasterize correctly... The teal and purple lines show water flow, ...
0
votes
0answers
8 views

Enhanced event rate density estimates with correlated variables?

I have somewhat rare events (at given times) at geographical locations. I also have a lot of static data about each micro-region. Some of the static data is likely to be correlated with the true event ...
0
votes
0answers
12 views

Using If /then statements in SQL server computed column specification [migrated]

I have two fields in a SQL Server database called "Species" and "Species _other" that stem from a front end data collection software dropdown values. I am trying to use a computed column using an ...
1
vote
1answer
28 views

Writing out comma separated values inside a single cell in a spreadsheet using python

Please excuse the long subject header. I have gotten pretty good at writing data out to csv files but i seem to have stumbled into this block. Anytime a ',' (comma) is used to join values, it shifts ...
0
votes
2answers
2k views

How to use Sharpmap to display spatial data from MS SQL Server 2008

Can anyone show me a step by step example on how to use Sharpmap to display MS SQL server spatial data using C# as the programming language? Please note I have exploit some of the example online but ...
0
votes
2answers
10 views

gdalwarp changing value in nodata pixels

I'm using gdalwarp to convert MODIS NDVI mosaics from Sinusoidal to epsg:4326. To save space I'm using VRT files until I reach the final product. Here is my workflow. Mosaic NDVI Modis tiles using ...
0
votes
1answer
15 views

How can I make an Atlas of the land cover within each of the watersheds?

I have a Land Cover raster that has its legend in a layer-file (.lyr), and a shapefile delineating watersheds. I have access to QGIS 2.8.1 and to ArcGIS 10.1. I want an Atlas of the land cover within ...
0
votes
0answers
17 views

3D building data for London

Any tips on where I can find 3D building data for UK/London, preferably LOD2 (Including roof structures)? I am aware of the Virtual London dataset but I would like a more recent one.
0
votes
1answer
29 views

Combining and extracting attributes from 2 columns to populate a third (Concatenate)

I am working with a FEMA flood zone shapefile which contains a FIELD_ZONE field and a SUBTY field. I created a third field called ZONE_TYPE that needs to be populated by combining or extracting ...
0
votes
0answers
20 views

Wrap Legend Text in ArcMap using Python

Is it possible to use Python to wrap text in a legend in ArcMap so that the entire legend element will fit on a page? Here's a screenshot of my problem: http://s21.postimg.org/ss1x2rgpz/before.png ...
1
vote
0answers
13 views

How do you change the map units returned on ArcGISRuntime 10.2.4 for .NET

I am working on a project that requires the frequent usage of feet as the expected unit of input and output. We're using the .NET SDK with the Esri.ArcGISRuntime.Controls.Mapview in WPF. Basically we ...
0
votes
0answers
9 views

Trace tool within web app

Is it possible to setup a GP that does exactly what the Trace Tool does in ArcMap under Advanced Editing Tools? I'm curious of any suggestions you have because we need a web app solution that allows ...
3
votes
1answer
19 views

How to manually add spatial reference information for FEWS rainfall data in ArcMap?

I am trying to match rainfall data from USGS/FEWS to coordinate locations of survey households in Uganda, so I will need to be able to project the rainfall data. So far, I downloaded the dekadal RFE ...
-2
votes
0answers
29 views

Knowing POLYGON points get centroid [on hold]

I am newbie in arcgis javascript api. How can I get POLYGON center point, if I have such POLYGON ((669539.71299999859 201820.14200000092, 669632.02099999972 201763.50000000373, 669629.62600000016 ...
0
votes
2answers
35 views

Touched lines but not connected in ArcGIS 10.x

Ι convert a contour file DWG to SHP file. The lines are touched but disconnected and they are broken in many places. Is there an automated way with a particular tolerance to automatically connect the ...
0
votes
0answers
12 views

Clip layer with selected object from another layer in QGIS

In ArcMap i can clip layer with selected object from antoher layer using editor toolbar. I want to do the same operation in QGIS. I want to create holes in landuse layer by selecting object from ...
-1
votes
1answer
45 views

Not able to read Multilinestring and multigeometry with geotool from KML file

We are not able to read Multilinestring tag field from geotools. We are able to read multigeometry but its coordinate we are getting empty. any suggestion or code snippet would really help me. I ...
0
votes
0answers
17 views

Any Examples of D3.brush() used with Leaflet?

I have a leaflet map that I have placed an SVG "on top of" using the leaflet overlay pane. I want to add a D3 brush to the overlay pane that will then update a separate chart. I've looked around for ...
0
votes
3answers
57 views

Looking for Employment Density Data: Employees per square foot by industry by county* (USA)

What I'm looking for something like this: http://www.bls.gov/cew/ew07fig20.pdf For those that can't see it, the second page of the PDF has a map of Employment density within manufacturing by county, ...
0
votes
1answer
16 views

Change name of category heading in legend

In QGIS 2.8.1, I have a SHP layer. In the display it is categorized by one of the fields, "Sannsynlig". In the table of layers and in the legend, it is also identified as "Sannsynlig", as the name ...
4
votes
1answer
163 views

ArcGIS model builder - make query layer with query parameters from generated values

What I want to do: I want to join a realationship table (same database, not in sde) to a sde feature class to distplay only needed features. This has to be done multiple times according to every row ...
1
vote
0answers
799 views

I cannot connect to ArcGIS for Server 10.1 from ArcMap, I can in ArcCatalog

I have a strange error, I created three connections to ArcGIS for Server 10.1 in ArcCatalog as admin, publisher & user, and they connect and opens normally in ArcCatalog. However, when I try to ...
0
votes
0answers
10 views

Trying to change the transparency of a KML file for use with Google Map Maker

I've been stuck with this problem for quite some time. I'm doing a project which includes updating the Google Maps for my area. I know that I have to use Map Maker to do this. However I'm trying to ...
0
votes
0answers
10 views

Different KML size from ArcGIS and Ogr2Ogr

I have been converting shapefiles to KML. It seems that using ArcGIS to make a KML (by converting shapefile to feature layer and then using feature layer to kml tool) results in a much larger sized ...
1
vote
0answers
8 views

Make Route Event Layer snaps event points to vertexes?

In ArcMap 10.2.1 I have made a route event layer using the geoprocessing tool in the normal way, trying to add equidistant route events along a route every 1.6 meters. This works fine in all the ...
1
vote
1answer
33 views

Odd Error in Metadata Script

So I developed a script that traverses through a root directory, and any subdirectories and catalogs layers files. Then exports these layer files' FGDC metadata and outputs them to a folder. The code ...
0
votes
0answers
9 views

How to make Openlayers feature icon dynamic color

I would like to make the icons of my features in the map have dynamic colors. I think I have to use SVG so I can use CSS to dynamically change the icon's color but I don't know if I can use it as an ...
1
vote
1answer
285 views

QGIS Clipping and reprojecting SRTM data creates a HUGE file

I'm having difficulty in QGIS doing what should be a very simple thing and I haven't been able to find anyone who has had the same issue. What I'm trying to accomplish: I need to export a very ...
2
votes
0answers
27 views

Different obs. when I extract raster values from polygons in R

I have two raster layers with the same projection, extent and resolution: r1: class : RasterLayer dimensions : 33434, 89431, 2990036054 (nrow, ncol, ncell) resolution : 0.001447053, ...
0
votes
0answers
5 views

Geoserver WPS process gs:GeorectifyCoverage - control of BANDS/Pixel format for output image file

I'm attempting to invoke gs:GeorectifyCoverage to perform a warp-type operation on a NITF file. In fact, I'm using this NITF file: ...
0
votes
1answer
16 views

GeoServer 2.7.0 WMS Scale Issue

So while using GeoServer 2.2 I did not have an issue with disappearing polygons in my display, now after upgrading to 2.7 my WMS now has scale dependent display of polygons, the data is there but not ...
0
votes
0answers
13 views

AddFeatures to an ArcGIS Online Feature Service?

Is it possible to add and delete features from an ArcGIS Online-hosted feature service? I'm able to do this with services hosted on our ArcGIS Server (example here), but don't see the option under ...
0
votes
1answer
108 views

Pick Address From Map tool won't work

I tried to ask this question before and I made a mess of it. I have edited the question to what I hope will be a more understandable form. Please help me if you can! We just installed Service Pack ...
1
vote
1answer
555 views

ArcGIS map service layer not loading properly

I'm at a total loss. My initial problem was an issue with the layer not loading at all when the page was set to the full extent, despite having changed the Min/Max Scale settings generously when ...
1
vote
0answers
16 views

Black map after attempt to style by column in QGIS

I'm very new to QGIS and I'd really appreciate some guidance. I have a shapefile of NYC census tracts and 2 csv info files with tract info joined with it. I'm trying to style the individual tracts to ...
0
votes
0answers
8 views

Perl -> GoogleMaps and point data

I'm working on a perl script to plot the path of a traveler. I can create the kmz output with Lat/Lon/Alt in a point. I'm trying to add some relevant point data such as the "name" and other location ...
1
vote
0answers
16 views

How to control QGIS from within Anaconda's Spyder (Continuum Analytics Python distribution) in Windows

I would like to control QGIS from within Anaconda's Spyder, in particular use the QGIS core modules. My config: Windows 7 Anaconda 64x for Python 2.7 Spyder 2.3 Postgresql 9.4 PostGIS 2.1 QGIS 2.8 ...
1
vote
1answer
70 views

What causes wrong placement of JPGs in QGIS 2.8.1?

I have the same issue explained in this post: How to keep georeferencing from ArcGIS when importing raster into QGIS? But my problem is with .jpg files. I have georeferenced with ArcGIS 10.2.2 many ...
1
vote
1answer
22 views

Is there a solution to glitches when deleting features from Shapefiles on network drives?

We are a small GIS department of 4 folks working with a shape file composed of points. We have local installs (C:) of QGIS 2.8.1 on our workstations, which run Windows 7 x64. The shape file in ...
0
votes
1answer
32 views

Degrees Minutes Seconds to Decimal degrees for Iceland coordinates - Normal formulas come out wrong

I want to put a file with Coordinates in Minutes seconds to decimal degrees. Ive tried to use formulas such as should work in excel both modules and this formula: =-H2-I2/60-J2/3600 and 65,26583333. ...
2
votes
2answers
45 views

Read JSON web service

I have a webmap of bike stations and there is a json service for these stations behind the map. It is possible to provide this URL as the source dataset, using FME Desktop? Does FME Desktop support ...
2
votes
1answer
133 views

Python Error while installing Cartogram

I am quite new to GIS and qGIS especially. I would like to install cfarmers cartogram plugin. From what I understand, this has to be done manually - so I 've followed the instructions from ...
0
votes
2answers
36 views

Spatial join using FME

I have two data sets, one is a polygon data set (Norwegian counties) and the other is points (roadkill incidence data). I want to do a spatial join where the points dataset inherits attributes ...
1
vote
1answer
13 views

Is age based SLD styling possible in GeoServer?

I have a set of features in a PostGIS table, where each feature has an attribute describing when the feature was created. I would like to serve the features as a WMS layer and I would like to style ...
1
vote
1answer
24 views

How to build a model builder convert,insert, and finally delete in one operation debug

I'm working on Arcgis Server, ArcMap and ArcCatalog In are catalog I've two databases (Temp.gdb and main.gdb) so I need a model builder that : Convert CAD file to Geodatabase (or dataset) insert ...
1
vote
1answer
38 views

Solar radiation modelling on vertical surfaces

Are there any methods to measure solar radiation on vertical building facades using Esri's Solar Analyst?

15 30 50 per page