3
votes
1answer
15 views

gdalwarp reprojection causes missing data

I have tried to reproject and resample an SRTM DEM file from WGS84 to a cylindrical equal area projection. The problem is there is missing data as seen in the image below. The command I use is: ...
0
votes
1answer
13 views

Failure of non existant SQL statement after executing statements from a file with ArcSDESQLExecute object

As you see in my code I iterate and execute all the sql statements in an sql file using ArcSDESQLExecute object. It does work but when all statements have been executed the object returns 'None' ...
1
vote
0answers
11 views

PyQGIS Standalone Crashes python.exe when zooming out too far / Process finished with exit code -1073741819 (0xC0000005)

I have the following PyQGIS Standalone App which is working fine so far. One little problem is that if I zoom out to the MaxExtent(by scrolling the mousewheel) the app crashes python.exe so that the ...
2
votes
1answer
18 views

How to export from ArcMap to tab-delimited text file, while preserving formatting and values?

I'm working with a complicated fGDB featureclass which contains hundreds of fields, in a variety of text and numerical formats. This is proving difficult to export into tab-delimited text file format. ...
0
votes
0answers
8 views

SLD one layer with several feature types

I wrote an SLD for a layer that contains two feature types: us-net-sw:SewerPipeand us-net-common:Appurtenance. My WMS - implemented with deegree - only renders us-net-sw:SewerPipe. I don't know if my ...
2
votes
1answer
180 views

Using Odyssey.js with Cartodb.js

I'm looking to use Odyssey to create an interactive introduction to various data layers on an interactive web map I've created using CartoDB.js. I'd like to have different data layers turned on / off ...
0
votes
0answers
7 views

Google Earth panorama images are cropped

i am creating KML panoramas and viewing it in Google earth. when I open the Google earth KML,I see my images are cropped at the bottom.When I zoom in closely,the bottom images are on and off. Can ...
2
votes
2answers
19 views

Save and load maps for ggmap to use without internet access

I would like to use the ggmap package to download and display maps. Unfortunately I have some firewall restrictions preventing R from accessing the internet directly. The error I get from get_map is ...
0
votes
0answers
12 views

Issue with Cesium Terrain Provider

Even after adding blank terrain files at the specific directories : 0/1/ and 0/0/, I still get the error message and a blank globe. This is not an issue with CORS. I am using http-server (node) to ...
0
votes
1answer
10 views

Using ArcGIS Tabulate Intersection to determine maximum land cover within polygon area

I have a shape file (layer A) containing different polygons - each polygon representing an ecoregion. I have another layer of polygons (layer B) - each polygon representing a watershed boundary. I ...
0
votes
1answer
24 views

How to check if a node is in route computed with pgRouting?

I'm new to the GIS system and I'm following the pgRouting workshop. I've imported the locations of nodes (points, highway=street_lamp) using osm2pgsql. now I'm calculating a few paths between two ...
0
votes
1answer
155 views

Running CartoDB Server Stack

We're attempting to download and run the CartoDB stack on an Ubuntu Amazon EC2 instance dedicated just for it. So we've begun from a bare bones OS install. We've gone through the install/configure ...
0
votes
0answers
6 views

Feature Extend Zmin Zmax automatic calculate [on hold]

I need to set Feature Z Extend z min = -100 000, z max = 100 000 values of many layers, I do not find opportunities it automatically, maybe thereby help?
1
vote
1answer
24 views

Mean watershed slope - are there better methods than taking the mean of the contained slopes?

I am wondering if there are better methods for determining the mean watershed slope, other than taking the mean of the slope values contained within the watershed? For example, could or should one ...
1
vote
0answers
89 views

Using WMS layer transparency with Geoserver, Openlayers and Drupal?

I am using OpenLayers in Drupal to display Geoserver WMS data. I can get the layer to overly properly, however the raster layer (png) has a white background I cannot remove. I have created a style in ...
2
votes
1answer
194 views

iPhone app to record 3D location information

Does anyone know of an app that would run on an iPhone or iTouch that would record the X,Y and Z information from an external GPS? I am using a Dual XGPS150 Bluetooth receiver. The GPS will record ...
0
votes
0answers
24 views

Adding Array of strings in File geodatabase feature-class' field

I need to include array type in file geodatabase/shapefile field's content so that when i expose it as a map service, i can get array instead of string or integer. e.g., i got fields: OBJECTID, ...
0
votes
1answer
190 views

Read dted with gdal in c++

I need to find the elevation of lat and long point using a dted map. I read that gdal can read this kind of map. I didn't find a tutorial. I read about gdal here but it's not very "user-friendly". Can ...
-1
votes
0answers
17 views

Selenium Web Driver and OpenLayers 2.x: how to do a identify on a map? [duplicate]

I've to test a web mapping application that use OpenLayers 2.x, using Selenium Web Driver in Java and using Firefox (I'm on Windows 7). I've found only this issue ...
0
votes
0answers
15 views

Selenium Web Driver and OpenLayers 2.x: How to do an identify on a map?

I've to test a web mapping application that use OpenLayers 2.x, using Selenium Web Driver in Java and using Firefox (I'm on Windows 7). I've found only this issue ...
0
votes
0answers
14 views

how to remove duplicate values geojson on feature.properties.name?, using leaflet oneachfeature

I have duplicate value into select combobox, using oneachfeature and geojson the values are into combobox select, I'm trying to remove duplicate caracteristiscas the GeoJSON to populate within a ...
4
votes
1answer
1k views

GeoTiff convert to PNG with transparency?

I need to convert a GeoTIFF image to PNG format with "NoData" pixels in the original image being transparent in the output. Is there any tool particularly in ArcGIS ArcToolbox or GDAL for this ...
2
votes
1answer
123 views

Identifying “Must not connect point more than one line feature” errors in electrical network?

I have attached an example image to show the problem: This is electrical network data single service point to connect more than one Service pole. Is it available any topology rules? I would like ...
1
vote
0answers
10 views

weighting scheme of gstat for fitting models to variograms

I use R and the gstat package to construct variograms of temperature, and I would like to ask If anyone knows what weighting scheme does the gstat package use to fit a model to the sample variogram?
1
vote
0answers
17 views

Applying color ramp/map to mosaic using ArcGIS for Desktop?

My goal is to create a bold, colorful hillshade following this tutorial from the ESRI website. Everything works great until I try to apply a color ramp or colormap. It somehow crunches the values and ...
1
vote
1answer
273 views

select (click) labels in openlayers

I have the following style for an OpenLayers vector layer. Color and Name come from Geoserver/PostGIS. I red that setting labelSelect to true, user can also click the label, not only the point and ...
-2
votes
0answers
12 views

Connect .NET application to Arcgis Model builder [duplicate]

Could you please lead me to a good tutorial or movies how to connect .NET [2010] appliaction with C# language to Arcgis 10.1 in order to execute Modelbuilder (Geoprocessing) In fact I would like to ...
1
vote
0answers
19 views

rasters written with gdal show up with units of meters when they should be degrees

I have some SMOS soil moisture data packaged in a netcdf format distributed by "cp34-bec". I have been able to use GDAL to extract this data as a raster layer, using a projection i think is ...
0
votes
1answer
379 views

Adding more fields in locator style to creat customized address locator

I have a database following the structure of "US Dual Range Addresses" and I want to, in addition of the fields used in dual range addresses, add more fields and I want to know what are the changes I ...
1
vote
1answer
17 views

Properly setting Extents in Arcpy Using path

I am trying to set the extents of my processing using Arcpy, but when my processing is completed, there has been no change to the extents (it results in an extent that did not go as large as I ...
3
votes
1answer
1k views

Using ArcGIS ModelBuilder with a “While” Iterator

I am struggling to get the ArcGIS ModelBuilder "While" Iterator to work as I would expect it. I have a hunch it's user error, but even reading the help hasn't seemed to get it working for me. I have ...
1
vote
0answers
61 views

how to use a particular output from previous code in my next code in matlab [closed]

I have written a code in matlab and there are several outputs. I have to use only one of the output(containing latitude, longitude, and one parameter) of these several outputs in my next code. Can ...
1
vote
1answer
640 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 ...
2
votes
1answer
28 views

OpenLayers geometric points won't show

I am new to OpenLayers and a beginner to JavaScript, but I have tried for 3 days and nights now. My code seems okay but there is something I am missing out and just can’t figure it out. I have this ...
6
votes
6answers
5k views

Open Source equivalent to Collector for ArcGIS to use with QGIS/PostGIS?

From my reading of the Esri web pages the Collector for ArcGIS is tightly tied to that platform. I would be delighted to learn that I am wrong about this. I have a strong interest in generic mobile ...
3
votes
1answer
58 views

Split by Attribute without making separate new feature classes or shapefiles?

I would like to automatically split a featureclass by a specific field. I've seen a few tools online and on XToolsPro, but what it does is create multiple NEW shapefiles or feature classes. What I ...
1
vote
1answer
188 views

ENVI5.0. Is it possible to use “Quickmap” option? How to create a simple map?

I used to work in ENVI 4.8, but now have to move on ENVI5.0 I found it was changed a lot comparably with the previous versions, obtained many good new options, but some old options, in ENVI4.8, are ...
1
vote
0answers
17 views

Converting *.adf files to *.xyz for XPSWMM?

i am trying to convert adf files to xyz files in order to import them to XPSWMM. i also need the elevation values. however, when i use QGIS to translate the raster files (adf files) to xyz these ...
1
vote
1answer
189 views

How to shade or add grey overlay to non-selected features in ArcGIS API for JavaScript?

I have an application showing cadastral parcels. When a parcel is clicked, the applications makes zoom to the extent of this feature and prepares a floating pane where it is possible to load some ...
3
votes
1answer
1k views

Auto-updating map service via REST in ArcGIS for Server?

I have one map service which is updating per day so I need to manually overwrite the service in ArcGIS 10.1 for Server. In previous versions 10.0 its very easy..just update the .mxd then REST will be ...
2
votes
2answers
96 views

Estimating Area of farm under cultivation using NDVI?

I have shapefiles for more than 1000 farms. I want to use Hydrological model to model the water balance in these farms. Each farm is devided in to seperate parts . My problem is that the whole ...
4
votes
1answer
393 views

How to create Shapefile on ArcGIS Server side?

I am developing a script which gets an JSON array with point coordinates. This array is encoded to a python dictionary. From this I filter all points (latitude and longitude) and an ID. This ...
2
votes
2answers
28 views

Changing the transparency of a raster layer with ArcObjects

I'm trying to do some simple things with the .net framework and ArcObjects, but have little experience with this type of development. I would like to iterate through the layers in a map document and ...
2
votes
1answer
171 views

CQL filter causing slowness in Java \ Geoserver app

I have a Java application that includes an OpenLayers map with WMS tiles pulled from Geoserver. Geoserver and the Java app are looking at the same MySQL database. In the Java application I have a ...
2
votes
2answers
5k views

Minimum system requirements for ArcGIS on Mac

Just looking to buy a new-ish computer for study for my PhD. I will be using ArcGIS. I know the ideally it would be best to buy all the memory and ram I can afford but I am self-funding on a low ...
3
votes
1answer
17 views

QGIS create a line graph with attributes value on a section through the map

I wonder if I can make cross sections of GIS data (other than height). An example: I have a shapefile of a city with building plots and attribute values of the plot size. I want to choose a random ...
1
vote
1answer
155 views

Get Graphics from KML Layer in ArcGIS JS API

I just started working with the ArcGIS Javascript API and I was wondering how I would go about getting an array of Graphics from a KML layer. I do not know where to begin.
-2
votes
0answers
18 views

Assuming spherical earth and 24 satellites in GPS model? [on hold]

I am working on a project where given satellite positions in the sky, I am to find my location on earth. The assumption is that there are 24 satellites orbiting on the earth but only a few will be ...
1
vote
2answers
28 views

How to use r.mapcalculator to change values within a raster cost map to negative

I have created a cost map in r.cost module in GRASS (through QGIS). This is actually a distance map from a protected area and distance from protected area has been calculated in both directions. How I ...
5
votes
1answer
76 views

Can I identify if a point is inside a volume in PostGIS?

We are currently investigating PostGIS as an option to look up three-dimensional blocks which contain a point (and later also lines). At this point in time I cannot see any functionality that operates ...

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