3
votes
1answer
12 views

What are good colour schemes for large density flow maps?

I came across nice QGIS tutorial for mapping flows. In contrast to Alasdair, I have zero talent in colour choice. Can anybody recommend some good starting points for nice colour schemes (I'd be ...
0
votes
0answers
2 views

Auto filling a form in arcpad

I am looking to figure out how to autofill a custom form at the click of a button. Basically i have a toolbar where if I click the button and a point on the map a form pops up and gives me a bunch of ...
1
vote
0answers
7 views

Attach attribute information to stream links

How can I attach related attribute information to individual segments of a stream?
0
votes
0answers
4 views

Openlayers 3 Vector Layer error

Getting error from Firebug on running this code: TypeError: f is null (ol.js 409) The map is showing up properly. After adding the line : this.map.addLayer(vectorLayer); I get the mentioned ...
0
votes
0answers
7 views

How to query all layers in ArcMap and get access to them by name or index?

I have next issue: I have ArcMap with tons of layers. Some of these layers may contain another layers with data (aka Composite layers) or they don't. The depth of composite layers in unknown. I need ...
0
votes
0answers
6 views

Postgresql to mbtiles

Someboby please help me with understanding of the following question. I have many postgreSQL databases with osm data on a server. Each of them contains the map of the certain country. I want to look ...
0
votes
0answers
6 views

Difference of Archydro and Hydrology Between [duplicate]

What are differences between archydro and hydrology tools? What does ArcHydro add on hydrology tools?
1
vote
0answers
12 views

Problems with the Iterate Feature Selection tool

I´ll try to work with the "Iterate feature selection" tool, but it seems like it doesn't work the way I want it to. I read all the help information about this tool, but maybe I understood something ...
1
vote
0answers
15 views

where is the sequence in Oracle associated with the Objectid field in ArcGIS?

I am working in ArcGIS with non-spatial oracle tables. These tables have an objectid because were created for inserting, updating records by using the Arcmap environment. However, my goal is being ...
0
votes
0answers
6 views

Gdalwarp with “out of globe” values in sinusoidal projection

I want to project a global image from WGS 84 to sinusoidal, using gdal 1.11 and bilinear resampling. It work fine BUT I have values everywhere on the rectangular extent of the projected dataset. That ...
0
votes
0answers
3 views

Drag and Drop in Openlayers

I have a number of vector layers, I want to be able to drag a feature off the map and drop it into a native application. Note, I do not want to move the features around, I already do that when in a ...
0
votes
0answers
4 views

Geoserver Image Mosaic Plugin - Index Table - ORACLE

On my current project we are using a Geoserver ImageMosaic to display aerial photography for England. We are also working to enable the TIME attribute on the layer so that we can display historic ...
0
votes
1answer
9 views

Geoprocessing tool Difference from the Terminal?

I have used QGIS Geoprocessing tool Difference to cut polylines (SHP) into to smaller pieces using a polygon (SHP). This works very good in QGIS. Now, to speed up the process, I'd like to be able to ...
0
votes
0answers
12 views

Adding a google Maps Layer to OpenLayers 2.14

I have a well-working map consisting of several layers in OpenLayers retrieved from geoserver. Now, I want to add a Layer from google maps. Since I did not find any working explaination in the web - ...
1
vote
0answers
15 views

Mosaic many rasters in ArcGIS is slow

I am trying to merge 166 tiles into a single world raster (500 meters resolution) through ArcGis "Mosaic to new raster" tool with a simple Python script. The process seems incredibly slow. Before ...
0
votes
0answers
4 views

How can I keep selected the output feature elements from a toolbox?

I have a simple toolbox (ArcGIS 10.0). From some selected elements from one layer, the tool, create a new one. I want that all the elements inside this new layer keep selected at the end of the ...
-1
votes
0answers
11 views

Creating polygons using exact measurements? [on hold]

How do I create a polygon using the exact measurements (in metres) in ArcMap 10.2?
0
votes
0answers
4 views

Harvesting GeoNetwork with WMS

I want to harvest from a WMS service like https://nsdiindia.gov.in/nsdi-portal/index.jsp in my geonetwork node and for which I am providing the details as given in the documentation but I am getting ...
1
vote
1answer
11 views

QGIS 2.4.0-Chugiak: How to produce raster colour map

By carefully deriving the NDVI values from Landsat Band 3 and Band 4 after doing atmospheric correction by applying DOS1 method in semi-automatic classification Plugin QGIS, I was to calculate the ...
2
votes
0answers
11 views

Double transformation of marker in Carto CSS

I need to show on the map the direction of the road traffic with arrows. For this purpose I use markers for Carto CSS in TileMill. If the road has in OSM tag oneway="yes" or oneway="1", all is ok, ...
1
vote
0answers
7 views

Are there naming rules for direct connections from ArcGIS to PostgreSQL?

I don't have problem direct connecting arcgis to postgresql if my database name contains only letters, but when the name contains dashes or underscore e.g:"gisdb-dev", I receive an error when setting ...
0
votes
0answers
5 views

ISO 19110 in Geonetwork

I am using Geonetwork for metadata storage and search and from what I have found I got to knoew that it does support the ISO 19110 meant for the feature catalog but I want to know where do we add the ...
0
votes
0answers
23 views

How to store lat/long in PostGIS database?

I have a bunch of points in a text file that are represented using lat long (116.3158516 39.9748016). I import them into my GIS enabled database and create trajectories using st_makeline() as ...
0
votes
1answer
16 views

QGIS 2.4: How to get Atlas to print all features not just the one visible in preview

I have a number of "zones" described by polygons that I use to produce a set of larger scale maps that I used to export into a pdf. This has stopped working (when I moved to 2.4 ??) and now I ...
2
votes
1answer
17 views

How to clip buffer polygon from its source line?

I'm trying to clip a 30 meter buffer polygon built around a highway line feature using a smaller 6 meter buffer that represents the actual width of the road, so that the original 30 meter buffer is ...
0
votes
1answer
12 views

Extract all unique values from a RGB raster

I have a .png file in RGB format showing the intensity of ship traffic: For my analysis I need to convert it to a one-band raster with values between 0 and 1 where 0 means lowest density and 1 ...
0
votes
0answers
6 views

Error: Cutline feature without a geometry. > Raster Type

I've got an "Error: Cutline feature without a geometry" on QGIS 2.4.0 Chugiak. I have 2 samples (A raster type and a vector type), they have the same coordinates (EPSG:4253 - Luzon 1911) Then I tried ...
0
votes
0answers
19 views

How to merge 4 to 5 images per day using gdal-merge and cmd(.bat file)

There are 4 to 5 projected files from the ftp in one day. Let's say I have all the projected images for 3 days. So, I have 15 images or less. For day 1, the images are: T2010232034000.L2.Tera.tif ...
0
votes
0answers
8 views

Polygon files corresponding to Russian Census

My team is using the 2010 Russian Census and we'd like to have polygons that correspond to these population values. We're flexible to any sort of polygon format (shapefiles, GeoJSON, KML, etc). ...
0
votes
0answers
6 views

How to see what the equal interval breaks are in order to add them to the CartoDB Legend

I am using median income for Oakland, CA, where each polygon represents a block group with a number associated with it for its median income. I've displayed the data as a choropleth and chosen equal ...
0
votes
0answers
3 views

How to export (only) final iteration from modelbuilder?

I'm using an iterator in Model Builder (1) to merge files, using a feedback loop (2). The output file is named "Output_%n%.txt", (3), so each file is unique. Now, I'm merging a fair number of files, ...
0
votes
0answers
6 views

Cartodb: Editing table failures

Have new map with 30 polygons. Everything was fine - I was able to update text in fields, etc. Now I get "Oops, there has been an error saving your changes." when attempting to update field data. log ...
0
votes
1answer
9 views

gdalnumeric in python virtualenv

I'm having a problem importing gdalnumeric when working on virtualenvs. I'm getting the following error: from osgeo import gdalnumeric Traceback (most recent call last): File "<stdin>", line 1, ...
0
votes
0answers
20 views

How to do rubbersheeting? [on hold]

I did Geo-referencing using a Google earth image of my house but my teacher wants me to do rubber sheeting... First off, is there a difference between Geo-referencing and rubber sheeting? If so, how ...
0
votes
0answers
7 views

Can I create a TMS layer on geoserver or geowebcache

I have GeoServer stood up and use it to server out a variety of different data sources and layers. I would also like to be able to cache tiles (TMS). Problem that I am running into is that I would ...
1
vote
0answers
17 views

Navitel Navigator 5.0 map file

I have Navitel Navigator 5.0 map file(.nm3) for navigation. Is ther is a way to open this file on PC? Do we have a software that works as a navigator for PC such as Navital Navigation for android.
2
votes
1answer
27 views

Clip_Management seems to delete shapefile?

We have some python code that clips a very large shapefile for further processing. We can see the process create all the output files, but then just as the process is finishing, they get deleted. ...
2
votes
4answers
34 views

How do you generate WKT from a graphic drawn on a map?

All, In order to do some quick analysis using SQL spatial, I'd like to generate spatial objects using the STGeomFromText / ST_GeomFromText function. With point data, I can do this by geocoding an ...
2
votes
1answer
14 views

same RMS error for different resolution data

if i rectify a low resolution data and high resolution data and both have same RMS error =1 then what would be rectify more accurately? means for which resolution this error is more acceptable ...
2
votes
1answer
49 views

Ideal file format for QGIS that allows mixed geometry types?

I have a spreadsheet for an archaeological project that is hosted on Google docs. This allows multiple contributors to edit and update the table as revisions and field data comes in. The table is not ...
1
vote
0answers
25 views

Will ArcGIS 10.1 run on the new windows 10 technical preview?

Will ArcGIS 10 run on the new windows 10 technical preview? I am setting up an interface on my Mac and there is the free option of downloading the Windows 10 technical preview, some sort of beta ...
1
vote
1answer
26 views

ArcGIS - where is the zip & unzip toolbox available for download?

ESRI mentions a zip & unzip toolbox available for download (http://webhelp.esri.com/arcgisserver/9.3/java/index.htm#geoprocessing/python_2126079299.htm) Unfortunately the direct link provided is ...
2
votes
3answers
26 views

Delete isolated polygons smaller than a specified area

Hi I want to delete isolated polygons (only polygons not adjacent to other polygons) smaller than a specified area. Like the polygons displayed here in the white space. I can do a select analysis - ...
2
votes
1answer
30 views

How can I properly clip a shape file to get the section I want using QGIS?

I've tried the other "how to clip" instructions here, but consistently get an empty shapefile from the clip. QGIS Version: 2.4.0-Chugiak OS: MacOS 10.10 Input File: San Diego (South Map) 1999 Topo ...
3
votes
2answers
32 views

Labeling runs out of map extent and onto borders when exporting to PDF from ArcGIS for Desktop?

When I have tried to export several of the maps I have made but I have a problem with labeling that runs out of the map extent and onto the borders. I am exporting to a PDF and opening the file in ...
0
votes
1answer
31 views

NDVI derived from Landsat band 3 and band 4 using QGIS raster calculator shows the different range when opening in the ArcGIS

I have calculated Normalized difference vegetation indices from landsat 5 band 3 and band 4 that have 0-0.38 minimum and maximum ranges respectively. But whenever I open the same NDVI.tiff file in ...
1
vote
0answers
9 views

Apache Tomcat 8 and Geoexplorer

I have actually the same problem I have Apache Tomcat 8.0 and geoserver 2.6. windows 7! I ve placed geoexplorer folder to webbapp (The files web.xml and weblogic are included) as described above but ...
1
vote
1answer
33 views

Geocoding millions of addresses

I have millions of addresses that I want to geocode and I can do that in ArcGIS but it would take me endless number of hours. Is there a faster method that you can recommend?
1
vote
0answers
24 views

Iterating between two layers using QGIS python

I will try and explain my situation as clearly as possible. I just created my first plugin that is being used to analyze between various layers and give back quantities to the user. Most of it is ...
0
votes
0answers
22 views

How to use Offline GoogleMap Tiles in mapserver?

I've downloaded GoogleMaps Tiles from zoom 9 to 16 in selected area with "Offline Map Maker". I want to add this Tiles to my map in MapServer. How to do it?

15 30 50 per page