1
vote
1answer
225 views

problem with popup conclusion on pressing a marker

I have markers on pressing to which popup has to be brought. how to make it? (coordinates of markers undertake from a DB) var map; var markers; function ejecutar() { init(3); ...
-2
votes
0answers
20 views

How to set NULL value by arcpy.da.InsertCursor on date column?

How to set NULL value by arcpy.da.InsertCursor on date column? I try insert "NULL", None, '', 0 dictIN= [{'field1':"test1",'date1':'01-02-2015','date1':''},\ ...
2
votes
4answers
187 views

Openlayers Vector Rendering

I've just added a couple of more WFS backed vector layers to a map and the performance has dropped. Whilst debugging this I've noticed that openlayers is considering every feature in the visible ...
3
votes
1answer
393 views

mosaic raster to file geodatabase yields missing raster sections

Since upgrading to ArcGIS 10.1 (SP 1) from 10.0, I've been encountering an issue when running the arcpy.MosaicToNewRaster_management() tool with output to a file geodatabase. I'm principally working ...
0
votes
0answers
7 views

how to divide a map in square grid using arc GIS

i want to divide a map in square grid using arc GIS. Is it possible. pls. give me reply
0
votes
0answers
2 views

QGIS web client installation: this.projectSettings.capability is undefined

I am trying to debug my configuration of QGIS web client. I have the same problem illustrated here (the GIS-Browser appears but it keeps loading map for the two sample projects ). Yet following the ...
0
votes
1answer
159 views

WMS - Export Retrieved XML Data

I use WMS layer in my app and could successfully retrieved Feature Info by click like so: http://openlayers.org/dev/examples/getfeatureinfo-control.html My question is: Is there any way to export the ...
0
votes
1answer
744 views

How to make Stored Queries for WFS 2.0.0 in Geoserver

I am a new user of Geoserver. I have created a WFS and also could connect it with the QGIS WFS 2.0.0 Client plugin available now. But as like the default WFS link in that plugin I am not able to make ...
-1
votes
0answers
5 views

table name not updating

I enter data view, update the table name in metadata, save it but the table name never changes. Have been having this problem for a couple of weeks now across several different tables.
0
votes
0answers
4 views

gdalwarp `-te -5.8 41 10 51.5 -ts 1980 0` not working with mercator?

I was working with native lat/log projection on etopo1: #donwload: curl -L -C - ...
9
votes
1answer
410 views

File Geodatabase API .NET Wrapper: How to determine if Table/Feature Class Is Locked?

I have been using the file gdb api .NET wrapper, and it has suited my needs quite nicely (vs using ArcObjects). One of the things I have yet to figure out if there is a proper way to determine if a ...
0
votes
0answers
11 views

ArcGIS Server Only Accessible From Local Machine

I have an ArcGIS server set up. It works, but only when I access the server (or server manager) via a web browser from the server machine itself. I am unable to access the server (using the same url) ...
1
vote
1answer
858 views

Having trouble connecting QGIS with postgres database with postgis extension

I am working on Ubuntu Precise with postgresql version 9.3 and postgis 2.0. After initially starting my postgres database and eventually getting permission errors that would prevent postgres from ...
0
votes
0answers
7 views

Using only part of inline variable substitution string in ModelBuilder?

I am using an inline variable substiution to alter a field name. I do this within an iteration model in model builder. The inline variable is the name of the feature class which I use as my input for ...
1
vote
2answers
25 views

Inline variable substitution in Model Builder using python code

I have an inline variable substiution which I would like to import into my Python script. Is that possible? I am trying to make a parameter within my path. My path currently is ...
0
votes
0answers
7 views

Converting Elevation Raster to Contours

I am trying to convert multiple elevation raster files into contour lines, but the contour shapefiles all just end up on top of each other on my map. I can't get them to be where they're suppose to ...
2
votes
2answers
96 views

QGIS equivalent for ArcMap join for purpose of distances from points to polygon?

It is relatively easy to calculate distances from points to a polygon in ArcMap by doing a join and selecting the option for creating a field containing the minimum distance information. i.e. it ...
1
vote
1answer
130 views

Handler tool in MapBasic

Have any handler or procedure, that call automatic when the click or unclick menu item or button? Similiar SelChangedHandler.
0
votes
2answers
32 views

Performing batch Join Field in ModelBuilder?

I have a list of 250 feature classes (X1, X2 X3, ...) which all have an individual field that I want to join to another feature class Y. The join can be established through a common field that are ...
1
vote
1answer
4 views

PyQGIS select layer by name, odd behavior in a plugin

I have a plugin with a function (triggered by a button) that selects a specific layer by name, then shows its attribute table. When I close the plugin and open it again, the attribute table pops up ...
10
votes
3answers
651 views

Real time map matching using ArcGIS Desktop?

I am working on a project which requires real time map matching. I am currently using ArcGIS but not sure whether it will work. Here is what happens with my system: the cell phones sent GPS fixes ...
0
votes
2answers
6k views

How to convert from UTM Zone 36N Mercator to WGS 84 degrees of lat and long?

I have acquired many coordinates from a points I extracted from polygons. The points are in WGS 84 UTM Zone 36N, and I want to use them on Google Maps. I found out that they use different systems (I ...
5
votes
2answers
739 views

Problem with the where clause in ArcGIS when dealing with variables

I am writing a python script for ArcGIS. I have an input feature class which contains multiple pipelines which is saved as a variable InputPipeline. I would like to iterate through the pipelines and ...
9
votes
7answers
6k views

Which Esri software is needed to open MXD files?

I received a group of MXD, AHD, and XML files on a CD from a client. What is the least expensive Esri software that would be needed to view the information contained in the MXD files? I only ...
2
votes
1answer
553 views

Create feature task could not be completed because coordinates or measures are out of bounds?

I'm trying to create a layer based on a feature class, in ArcMap (I've created a geodatabase from ArcCatalog and linked it to PostgreSQL). The feature class that I've created is registered as ...
2
votes
1answer
166 views

How to create an SQL Persisted Computed Column which values are derived from spatial column

Our GDB is using the SQL native GEOMETRY data storage type (SQL 2012 Standard) and the spatial reference for this uses a unit of square feet. I want to create a (persisted) computed column which will ...
0
votes
0answers
6 views

QGIS expression: select from <layer> possible?

I have a project file with many nested layers and would like to query certain layers without having to click on them first. The expression tool however requires me to select the layer I want to query. ...
5
votes
1answer
328 views

Calculating Topographic Exposure with Raster Calculator

I need you help trying to calculate Topographic Exposure (TOPEX) on a DEM in ArcGIS. I am trying to figure out wind exposure on a DEM with 25m cells. There is a great blog post where someone explains ...
1
vote
0answers
37 views

Hydropower Calculation

I have assigned the elevation and the volume flow to each point at a river (with v.to.db and v.what.rast). Now I want to calculate the Elevation difference between each pair of points and then ...
1
vote
1answer
11 views

How to select from selection with PyQGIS?

The expression box has a handy "select from selection" button. Is there a way to emulate this with python? I have the basic expressions down, but can't find a way to do this.
0
votes
2answers
853 views

Using Trace tool with BMP file in ArcGIS Desktop? [closed]

I am digitizing a map using ArcGIS 10. When I use trace is there any way to trace black lines from a BMP file?
1
vote
1answer
156 views

ArcGIS-Location “Location 1” in “Stops” is unlocated in Online Routing

I was trying to run a sample project "Routing" provided by ArcGis Runtime SDK. I tried the code but when the method solve() of RouteTask class is executed, it throws the following exception without ...
2
votes
2answers
561 views

Creating thematic map on calculated field in ArcGIS Desktop?

Is it possible to create a thematic map in ArcGIS Desktop on a calculated field, without changing the DBF file of the SHP file? I know I can do it in MapInfo, but have searched without much luck in ...
16
votes
4answers
313 views

How is elevation and altitude measured?

According to my watch that claims to measure altitude, as far as I can see it says that in Stockholm Sweden the altitude is 170 meters but can that be right? How exactly can we know that 0 altitude in ...
2
votes
1answer
385 views

Positioning esri.symbol.PictureMarkerSymbol at the center when clicked?

I use ArcGis Javascript api 3.2. I have a symbol: candidateSymbol=new esri.symbol.PictureMarkerSymbol('image/PushPin.png', 30, 30); I want to center it when it is being clicked. PS: There will be ...
1
vote
0answers
563 views

ActiveX control in conflict with ArcToolbox? [duplicate]

Possible Duplicate: Problem with ArcToolbox tools In arcgis 9.1 (in both OS, XP SP3 and 7 ultimate 64bit) when I open Arctoolbox appears a message that it is impossible to open eevry tools ...
5
votes
3answers
732 views

Spatio-temporal block kriging with R package gstat?

In the documentation of sp I saw that the coords argument of the SpatialPolygons function only accepts 2 columns. Is it not possible to create 3-dimensional polygons? I am doing spatio-temporal ...
0
votes
1answer
17 views

Import GeoTIFF into MapInfo - why “control points”, and how to batch-create TAB files?

OK, so I am largely hostile to commercial software with 'proprietary' formats, but a colleague only knows MapInfo. I have a bunch of GeoTIFFs (produced by gdal-merge of JPG/JGW-filepair hi-res aerial ...
0
votes
0answers
4 views

How to import Esri Raster to IDRISI with NoData value?

I made some point features in ArcGIS Desktop to build training samples to import to IDRISI. I had 7 classes and convert the feature to raster to build the signature in IDRISI. When I import the data ...
0
votes
1answer
18 views

Doing same calculation on different Raster files?

I am doing the work of change all null pixels to a value of -1 in the raster file X with raster calculator by using following syntax: Con(IsNull("X"),-1,"X") However, I need to do the same work on ...
0
votes
0answers
7 views

simple georef not working

I'm trying to georeference a table by administrative region, but none of my rows are referencing. I have the country name (listed as my 'jurisdiction' column) but no dice. I can't figure out what ...
2
votes
1answer
117 views

Layer with custom UI not working properly

I have a problem with QGIS 2.4 when introducing layers with a custom UI. More precisely, widgets such as CheckBoxes are not recognised as such (appear as Text Edit in Attributes) and the corresponding ...
4
votes
3answers
89 views

basic problem using division in field calculator

This is a very basic question, but I can't figure out what's going on. I've got election results I'd like to simply display as percentages rather than vote totals, which should be as simple as ...
1
vote
1answer
11 views

How to delete a column from the attribute table of a SpatiaLite layer?

I want to delete a column from Attribute table but the function "Delete columns" isn't highlighted. (When I am adding new layers I use New SpatiaLite layer, not Shapefile layer). So I have installed ...
0
votes
0answers
5 views

On load event for Leaflet proj4leaflet projected geoJSON layer

Can't find proper event for vector layer like on "load", to be fired when this layer is fuly rendered. I add vector features to a layer in Leaflet using proj4leaflet from JSON object like this var ...
0
votes
1answer
15 views

Transparent custom legend with mapbox/leaflet.js

I am building a map with mapbox.js. I have created a custom legend and want to make it partially transparent, but can't figure out the right CSS. Here is my legend html snippet: <div ...
0
votes
1answer
105 views

List index out of bounds [-1] when making bioclimatic variables in DIVA GIS

I am working with climate data and I would like to make 19 bioclimatic variables which I can use for ecolgical niche modeling in Maxent. I am following this tutorial ...
0
votes
0answers
18 views

Problem with QGIS - Attribute names are shown as _1,_2,_3 … and Strings are displayed as “NULL”

Whenever I look at the attribute table or at the attribute dialog for a shape, the attribute names are shown as _1,_2,_3, ... In the attributes, Strings are generally displayed as "NULL". Numbers are ...
0
votes
0answers
11 views

Build my own navigation system [on hold]

I'm sorry but I don't know where to ask this question. I have to develop a navigation program in my artificial intelligence course. To do it, I need a city map. Probably Barcelona. I don't which is ...
2
votes
2answers
46 views

Building a python plugin on qgiq 2.6.0 [on hold]

Plz I need help, Im about creating a python plugin for my project , I already compiled it but Im now facing a real problem while the installation , it seems to me that there is issue about the ...

15 30 50 per page