0
votes
1answer
7 views

ArcGIS 10.2 Changing 'null' to 'zero' in attribute table? [duplicate]

I have a table (Excel, csv) with county names and three additional column headings. I would like to ensure that everything under the three additional headings have a zero rather than a 'null' value. ...
6
votes
2answers
93 views
+100

More accurate way to calculate area of rasters

In my daily work, I am constantly asked to calculate areas of global raster datasets in geographic projection at 30 arc second resolution. These datasets are normally the result of a Combine operation ...
2
votes
1answer
439 views

Create isochrone from multiple start points

I want to create an isochrone. For this I could use the pgr_drivingDistance function with pgRouting (http://docs.pgrouting.org/dev/src/driving_distance/doc/index.html) but it only takes one start ...
1
vote
1answer
6 views

In ESRI ArcGIS, is there an equivalent to the RStudio Console Windows?

UPDATED I know ESRI provides scripting capacity, via the Python window, but I've had a hard time with it. Making the jump from the Field calculator to the Python window was too much to me. Trying to ...
0
votes
0answers
2 views

How to popup featureinfo by selection

I would like to select an area of the screen using GetFeature and then display a popup (getting all feature info from multiple layers) of all the features in the selected area. Here is what I have so ...
3
votes
0answers
37 views
+50

Using Traffic with Network Analyst VRP

To the best of my understanding, setting a specific day under Analysis Settings for the VRP uses the Routing_ND historic traffic information. Is there some step I'm missing to enable traffic? I've ...
3
votes
1answer
30 views

Azimuthal orthographic projection QGIS2.6

I'm trying to create a globe view in QGIS2.6 with an Azimuthal Orthographic projection using NaturalEarth's 110m countries dataset. I'm following Hamish Campbell's blog post instructions that have ...
0
votes
0answers
5 views

Adding shapefile layers in QGIS causes previous layers to disappear

This is my first time having trouble, but I'm only a casual user. I have a base raster layer of the school I work for and I've been adding vector shapefiles on top of that in separate installments. I ...
1
vote
1answer
33 views

Display linestring on Cartodb with SQL

I have a Cartodb api for a separate map, I need to display a linestring for each time the sql is run, but not store the linestring in the database.
2
votes
2answers
22 views

List all feature layers

I will often create many temporary layer files with MakeFeatureLayer_management. I was wondering if there was a means to list the temporary layer files I've created. I've tried setting the workspace ...
1
vote
1answer
51 views

How to query the data using SQL in the infowindow of CartoDB

I want to use a SQL join to merge data from 2 tables and display it in the info-window. When I give my query Select table_2.hos_name,table_2.revenue from table_1,table_2 where table_1.area_name = ...
0
votes
0answers
9 views

How to split a text attribute by characters in QGIS 2.6.0

I am new in qgis and I have a question about spliting some data on my attribute table. It is possible to make a new column, for example named "Test" and in this column stored the part one of the ...
6
votes
1answer
212 views

Predict user's future location - location awareness mobile computing

This question is a part of an online course (Mobility Data Management) that I am currently auditing. A part of the project is to implement a system that can predict user's future location. This kind ...
0
votes
2answers
24 views

How do I import data from a delimited file into a Feature Class?

I have a feature class created in a file geodatabase. How do I import data from a comma-delimited file into the feature class? Update #1 - The destination is a feature class, not a table.
4
votes
1answer
3k views

Why is PostGIS query not using spatial index?

I am having an issue with a spatial query that is not making use of indexes. My schema is: CREATE TABLE geoplanet_place ( woeid integer NOT NULL, "name" character varying(300) NOT NULL, ...
0
votes
1answer
104 views

How to query postgres with gis to get GeoJSON for GeoJSON tile layer?

I have a postgres database with one table like the following: CREATE TABLE post_pl ( gid serial NOT NULL, zip character varying(5), zip_n integer, city character varying(50), geom ...
1
vote
0answers
46 views

Extracting metadata from shapefile in FME? [closed]

Does anyone know how to extract metadata information from a shapefile in FME? To be exact, i want to extract the schema (data structure) of the data such as the field names, etc. from a shapefile and ...
0
votes
0answers
11 views

select (analysis tool) runs fine as a tool but crashes miserably when invoked as a rest service

"depts" , a geotable stored in oracle. polygon type. in arccatalog i create a very simple model: the "select" tool (from analysis toolbox) is fed with "depts" run model. "success". No warnings, no ...
1
vote
0answers
8 views

Projection problems when importing .kml from Google Earth to QGIS

I want to open several points that I exported from Google Earth as a .kml in QGIS for further use. I can import the data and the points are displayed but something must be wrong with the projection as ...
1
vote
0answers
16 views

Network Dataset — can't solve route

I read this topic and I have same problem as others. When I use network analyst on one line, the module works successfully. But for multilines, this warning comes: No route from location "Graphic ...
2
votes
0answers
7 views

How to display survey calls using the traverse tool?

I use the Traverse Tool to run out legal descriptions on deeds and recorded subdivision plats. I'm looking for a way to display the survey calls once I'm done. Is there a way to do that? I'm using ...
0
votes
0answers
21 views

File or personal database in qgis?

is there any database ? I use ArcMap with file geodatabase. But now, i have make project in qgis and i dont know, how to create database.
1
vote
0answers
39 views

Can't install QGIS 2.6.0 need SQlite3 on OSX Yosemite

I need to install QGIS on my mac with 10.10 Yosemite, I have already installed: - SQLite3_Framework-3.8.7.3 - GDAL_Framework-1.11.1-2 - GSL_Framework-1.16-1 - NumPy-1.8.0-1 but when I launch QGIS.pkg ...
0
votes
1answer
122 views

I can't seem to use arcpy.mapping print command. It's not displaying the mxds in the loop

Here's the code for the third parameter that list the local printers: # Third Parameter printer = arcpy.Parameter( displayName="Select a Printer", name="printer", datatype="String", ...
1
vote
4answers
608 views

Why does QGIS not detect the CSV/DBF column headers?

I am trying to import a csv or dbf into qGIS so I can perform a join on a shapefile. However, qGIS is not detecting the first row as header names. I know I've done similar joins before and there's ...
1
vote
0answers
7 views

Adjust Geoserver home page just to WMS service

I want adjust my first Geoserver home page(Before logging in) just to WMS service! Can anybody help me please?? Thanks.
0
votes
0answers
9 views

Basic sp-gist indexing?

Please forgive a very, very elementary question. I am using a PostgreSQL 9.3.5 database, and one of the tables stores longitude and latitude. (These are two separate columns.) I would like to do ...
0
votes
0answers
9 views

QGIS has an automatic way of finding the LS factor?

I wonder if is possible to calculate LS (soil erosion) factor automatically in QGIS? Or at least a way to calculate the length slope?
3
votes
0answers
59 views

(SOLVED) Access ESRI .GDB in PyQGIS

I can access ESRI .GDB data using OSGeo's OGR. The following code gives feature class names embedded in .GDB... from osgeo import ogr driver = ogr.GetDriverByName("FileGDB") data = ...
1
vote
2answers
47 views

projection differences in R

I am trying to reproject some climate data that I downloaded from http://gdo-dcp.ucllnl.org/downscaled_cmip_projections/dcpInterface.html#Welcomein The BCSD-CMIP5 data is found under the tab ...
-4
votes
2answers
26 views

Create Blank ShapeFile in C#

I just want to create a Blank Shape file using c#. Any one suggest me code for it.
0
votes
1answer
160 views

Spatial ETL Tools won't run “AttributeError: 'module' object has no attribute, etc.”

I have a python script that runs 5 Spatial ETL tools that I wish to run as a scheduled task. Each of the tools will run successfully from ArcCatalog and also from the ArcCatalog Command line. If I ...
0
votes
0answers
17 views

ArcGIS Javascript API 3.12 Error

I updated my app to 3.12 and am getting the following error: Uncaught TypeError: Cannot read property 'toString' of undefined It is being triggered by the following line: coordMenu.addChild(new ...
1
vote
0answers
4 views

Requirements to create ESRI Grid from CF-compliant NetCDF?

I found a lot of information how to create an ESRI grid from NetCDF without ever finding a list of requirements for the NetCDF format. CF compliant does not seem to be enough for ESRI sometimes. What ...
1
vote
0answers
17 views

QGIS OpenLayers Google Maps not zooming

Google Satellite will not zoom. Although the scale changes as I zoom, as the map is re-rendered, it zooms out to its maximum extent every time. This first happened in the latter part of November ...
2
votes
0answers
117 views

High-DPI printing with ArcGIS API for JavaScript and esri.dijit.Print?

I've got cached tiles for all map layers at various zoom levels, and would like to print at DPI higher than the default (around 96) by using tiles from a deeper zoom level. It doesn't matter if map ...
2
votes
1answer
33 views

feature layers don't appear in the print result

salam, I have a problem when I print my map, when I display the result I find only one feauture of twenty. the result does't contain all features. I used esri/dijit/PrintTask verifier: function(){ ...
3
votes
1answer
46 views

How to get/pass token with ajax call to secured ArcGIS REST Service

I have a web map application that was written in HTML & JavaScript (using the ArcGIS JavaScript API). It desplays a few services that reside on an ArcGIS Server (10.2). It also has a custom legend ...
1
vote
1answer
363 views

How to perform a true GIS clip of polygons layer using a polygon layer in R?

I would like to do a true GIS Clip in R of soils polygons using a series of single boundary polygons, but I cannot find an R function to properly do it. It should work just like the CLIP function in ...
2
votes
1answer
20 views

Information On Supported Device Qgis Galaxy Tab 4 10.1 4G LTE

I need a tablet for outdoor work and i would know if this device "Samsung Galaxy Tab 4 10.1 4G LTE" works fine with qGis mobile application.
2
votes
2answers
75 views

Populate a layout text element with the description from a coded value domain

ArcGIS 10.1+ lets you easily put dynamically populated text boxes in your print layouts. Doing so puts some text in the text element that looks something like this: <dyn type="page" ...
0
votes
1answer
265 views

Add Point Symbol and Zoom to Address using Geocoder Widget

I'm following the tutorial here and it's not working: https://developers.arcgis.com/javascript/jstutorials/tutorial_geocoder.html Issue: I just want to add a point symbol and zoom in for the address ...
0
votes
0answers
23 views

What is a memory vector layer in QGIS?

I have a volunteer working with my organization, because of financial reasons we have him using QGIS. He is relatively new to GIS so has some questions. Being a ArcGIS user I can field most of his ...
1
vote
1answer
20 views

CartoDB 2.0 Virtual Machine for AWS/RDS

I'm not a "linux" person I find it very difficult to install in my virtual machine. I know there has been a V1 AWS VM created earlier. Has anyone got any VM I can play with using version 2.0 of ...
1
vote
0answers
8 views

plugin compile with make would not compile module [on hold]

Ubuntu 14.04 QGIS 2.6 PyQt4 I'm following one of many tutorials on 'plugin builder', here is the latest one I'm trying with: http://www.digital-geography.com/build-qgis-plugin/ It all seems very ...
1
vote
4answers
60 views

NameError: variable not defined even though set multiple times

This code original worked when run through the python command window in ArcCatalog. After I added the script to a toolbox I have had all sorts of troubles. The most frustrating error has been: ...
0
votes
0answers
21 views

Getting coordinates perpendicular to AB [on hold]

I noticed that google mapmaker has a function that when you hold shift when drawing a shape you can see the perpendicular line. I want to recreate this function to use in the google maps api v3. So ...
0
votes
1answer
20 views

how do i change my map's styling in mapbox using mapbox.js?

i really searched for it high and low but couldn't find it!! I am using mapbox.js for this. i am working on the project which requires to change the styling of map, eg: area,land and water colors on ...
5
votes
5answers
529 views

Landscape software to analyze amount of dirt moved

I'm about to embark upon a design project for re-contouring landscape around my home. Assuming I get an accurate measurement of the landscape into the computer, and after I modify the landscape model ...
0
votes
2answers
237 views

can't geocode with PostGIS 2.1.1

I don't know where's the mistake... I am using the process from the PostGIS documentation (http://postgis.net/docs/manual-2.1/postgis_installation.html#loading_extras_tiger_geocoder) . I created a ...

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