1
vote
1answer
25 views

How can I create a radially-symmetric surface from a profile in ArcGIS 10?

I have created an expected profile for a radially-symmetric feature (an impact crater) using numerical modelling and would like to compare this with the actual topography (a DEM). My plan is to do ...
3
votes
2answers
428 views

How to save python ogr2ogr shapefile to memory, and stream to web client as zip

I'm trying to accomplish something similar to the site http://ogre.adc4gis.com/ I want to be able to manipulate a geojson file, and send it to the client as a shapefile, in a single zip file. I'm ...
2
votes
1answer
96 views

How to get a map surround as an IElement in ArcObjects?

In an MXD file, I have a page layout and a map with a north arrow, and I need to move it in the page layout programmatically using ArcObjects Java SDK. I managed to get the north arrow map surround ...
3
votes
2answers
910 views

Add row and column name to square grid feature in ArcGIS

I have a square grid feature class of 250 x 250 tiles. This will serve as a tile index for a a project. They currently have no identifying attributes other than a unique ID. I need to add a field ...
2
votes
1answer
445 views

How do I use ogr2ogr with python GDAL? [duplicate]

I've just installed GDAL, but I don't know how to import/use ogr2ogr. I've tried: from osgeo import gdal from osgeo import ogr and searched both for ogr2ogr, but it wasn't there.
0
votes
1answer
2k views

JavaScript API - Query and Edit point from Feature Layer

I am attempting to recreate the ESRI example for attribute inspections (https://developers.arcgis.com/javascript/jssamples/ed_attribute_inspector.html). I am having an issue when I create my feature ...
1
vote
0answers
144 views

Automatically update the result of a QueryTask

I have developed a application using the ESRI JS API to allow users to create and edit features in a web map. I have used the QueryTask to create summary statistics to report back to the user on ...
0
votes
0answers
288 views

Why Does Cold Start Take So Long?

I know very little about how GPS works. I noticed that after disabling GPS mode for a few days, even while standing on a street in the city, it can take several minutes for GPS to show my location, ...
0
votes
0answers
7 views

QGIS 2.2.0 Update column with another layer [duplicate]

I've got 2 layers : the first one with points, the second one with polygones (their ID). I created a new column in the first layer, and I want to update it with the ID of the polygone that contains ...
2
votes
0answers
157 views

Adding a button from an add-in to a TOC context menu

I would like to add a button to a group layer context menu in the table of contents. The button is from an add-in that also contains an extension. Should be straight-forward enough. The extension ...
3
votes
1answer
894 views

Shapefile to table within python

I was just curious as to whats the best way within a python script to get the output a dbf file/ table while the input is a shapefile. (if possible which i'm assuming it is) Is there a way of ...
0
votes
1answer
89 views

Problem with SetValue method in ArcGIS 9.3

I am trying to make a python script for ArcGIS 9.3. I have a problem with the SetValue method. I try to use it in a very simple code but it still doesn't work : No error is return but my field is not ...
1
vote
3answers
270 views

I have a 6 mile line that I need to make a point every 500 ft on it [duplicate]

I have a 6 mile line that I need to make a point every 500 ft on it. Any idea what tool I can use to do this? I have arcmap 10.1 standard.
2
votes
1answer
257 views

Weighted Overlay - passing parameter as text error? [closed]

For some reason when hardcoding the save path for the wieghted raster just before runtime it works perfectly. Like such... arcpy.env.cellSize = "90" arcpy.env.workspace = r'G:\Xcel\Route Tool\Potter\...
1
vote
2answers
128 views

Highlight specific area in a box in print composer

My problem can be easily illustrated by the first picture on this site: http://bitmedia.dk/rentegning-af-kommunekort-til-faktaillustration/ I already have the overall map, but I want to make a box in ...
1
vote
4answers
345 views

Print A0 sized map

Currently I am exploring an option/software to print A0 sized maps on web and also on desktop, can you guide me if any software support this printing option. Note: ESRI will be expensive therefore I ...
0
votes
1answer
90 views

Specify layer and BBOX in URL when opening GeoExplorer

I'd like to specify the state that the GeoExplorer map window and which layers are turned on when opening it up by a URL. I've started to go through the code but I feel this must be quite a common ...
2
votes
2answers
134 views

How to number points along a line consecutively

I have a line and along this line I have different points which are max. 20m away from that line. Now I would like to number the points along the line, like shown in the grafic. Any suggestions how to ...
3
votes
1answer
61 views

MapInfo 12 Legend settings

Does anyone know how (if) I can set the defaults within Legend Designer? I want my rectangles for each layer to default to a 20x20 square, not a rectangle. At the moment I have to change it manually ...
0
votes
1answer
61 views

Changing band for greyscale in plugin

I am trying to make a qgis plugin to change which band in a multiband data set (netCDF where the band represents time steps) is used for a grey scale rendering. The file works fine with manual changes,...
0
votes
0answers
131 views

When using Extract Values to Points : ERROR 010240: could not save raster dataset

I'm using ArcGIS for Desktop, version 9.3. When using one of the spatial analyst tools named Extract Values to Points, I met ERROR 010240. The steps that can reproduce this are: I choose "spatial ...
0
votes
2answers
131 views

ST_NumInteriorRings not returns zero, is a bug?

I am using PostGIS v2.0.3, the guide say that ST_NumInteriorRings "will work with both POLYGON and MULTIPOLYGON types but only looks at the first polygon. Return NULL if there is no polygon in the ...
1
vote
0answers
32 views

Atlas - How to set in rows from table linked to polygonlayer?

I have polygonlayer and a textlayer. The polygons have unique ID´numbers. The textfile also have unique ID-numbers (and therefore possible to join together, yes), but it contains several rows with the ...
1
vote
1answer
60 views

Strange results

I am getting a strange error within GIS, when using the internal MapInfo Select query for objects. SELECT featurecode, area(obj,"sq km"),theme, DescriptiveGroup,count(*) from ...
0
votes
0answers
78 views

autocomplete polygon function with geotools

i'm using geotools to develop some GIS features, i don't know how to implement the autocomplete polygon function using Java code. does any one tried to do it before?
-1
votes
1answer
61 views

define error for python script to import arcmap [closed]

i want to create a simple python script for create one file geodatabase but show me define error # Import arcpy module Import arcpy import sys import os from arcpy import env from arcpy.sa ...
1
vote
0answers
104 views

Mosaic hillshade function does not save statistics/histograms in ArcMap 10.2.1

I used ArcGIS 10.2.1. on Windows 8. I did hillshade function for DEM and Calculate statistics. Every time I go into ArcMap statistics strays: I try to add this function on mosaic but didn't worked. ...
1
vote
2answers
958 views

Easy way to get .gpx into mapInfo 12?

Is there an easy way to get .gpx files pulled from my Garmin GPS60 with MapSource into MapInfo 12? I know I can grab the data as .txt and fiddle with it in Excel first, just wondering if there is ...
0
votes
1answer
60 views

how to findout semi attched or detached polygon in Qgis?

i m quite new to GIS,i've got polygon shapefiles and i want to find out the way that polygon are attached,semi attched or detached.i have area and perimeter of polygons,but i want to know length and ...
1
vote
2answers
611 views

Why my python script of r.watershed has no output?

I type those code in pyscripter, import os import sys #set up GRASS environment variables sys.path.append(os.path.join(os.environ['GISBASE'], 'etc', 'python')) import grass.script as g import grass....
0
votes
1answer
687 views

How to generate jVectorMap for United Kingdom (UK)?

I have shapefile for UK , i need to convert this to the jVectorMap Here is my script python ^ converter.py ^ ./shapefile/map.shp ^ ./output/jquery-uk.js ^ --width 400 ^ --where "ISO = '...
2
votes
1answer
229 views

Conditional SQL Query

I've been running a code that searches a desired field in a feature class and performs an specified SQL query based on whether the field is string or double. The variables are just temporary fillers ...
1
vote
3answers
2k views

Create an X,Y latitude and longitude grid from an raster

I have a satellite image (LandSat 5), I want create a raster with X,Y coordinates, this is possible in Model Builder of ArcGis 10.0? or other option. I know that the option $$YMAP ($$XMAP) not work ...
1
vote
3answers
335 views

Create fishnet with row Iterator: fishnet extent does not update to reflect each row feature

I'm a writing about a geoprocess that I can do on an individual basis but for some confounding reason am unable to do with the row iterator in Model Builder. Given that I want to repeat the same ...
0
votes
0answers
277 views

No data appears when using gdal_calc.py but source had data values

I'm in the process of calculating topographic exposure using a mix of GDAL, grass, R and python in Windows. I need to process a very large tiff file using the following calculation: arctan(topex_e.tif)...
0
votes
2answers
154 views

Problem validating parent model with nested models in modelbuilder

I have a parent model with several nested models. I'm having trouble getting the parent model to validate. The issue is with sub model 4. The two screenshots are of the parent model and sub model 4....
1
vote
1answer
276 views

How to Lock Grid and Scalebar in QGIS Atlas

Have just started using Valmeira and I am looking at generating an Atlas. I am using irregularly sized features as the index. The challenge I have, is when I set up the template page and scalebar ...
1
vote
2answers
255 views

Strange structures appear inside dry river in Egypt [closed]

Browsing Google maps site reveal some strange structures inside one of the dry rivers in Egypt near Quesser , what is really interesting is that those structures do not appear on Bing maps . ...
0
votes
1answer
363 views

Google maps api + Open layers

I need to open google maps in Latitude: -30.0330600 Longitude: -51.2300000. We report that the object map or call the api? <!DOCTYPE html> <html lang='en'> <head> <meta ...
1
vote
3answers
1k views

Topography: How to get the x,y,z coordinates of highest or lowest point/pixel of a raster GIS?

Given a .tiff topographic raster image with mountains and deep sea, I am looking for the x,y,z specifics of the highest or lowest point. The x,y,z values being: altitude (z-coordinate) latitude (y-...
1
vote
1answer
640 views

PostGIS Type Modifier Error

I'm trying to work an example from the "PostGIS Cookbook" and I'm getting an error I don't understand. I'm running the example using Postgres.app on a MacBook. Postgres.app is running PostgreSQL 9.1....
1
vote
1answer
676 views

Geoprocessing Tools on ArcGIS 10.2 and Visual Studio 2012 -issues

I am migrating one of the existing project (custom Geo-processing tool- class library project) source code which runs on ArcGIS 10 SP4 and Visual studio 2010. This is working fine. I am could run the ...
0
votes
1answer
522 views

How to add multiple OpenLayers Vector Layer markers with data parsed from JSON file

I would like to parse a local JSON file and add markers to a map based on the latitude and longitude parsed from the JSON file. Here is a sample from the local JSON file: "LOCATION_A": { ...
2
votes
2answers
443 views

Using ArcGIS Map 10.1 how does one calculate the amount of landcover lost if sea level was to rise to a 1m and 2m Contour Line

I'm relatively new to ArcGIS and stuck trying to understand how to calculate the amount of each land cover type lost if sea level was to rise to a 1m and 2m contour threshold. Essentially I have ...
1
vote
1answer
198 views

Georeferencing a column doesn't work in my local instance of CartoDB

I'm installing a instance of CartoDB in AWS/Ubuntu 12.04, and I'm having a hard time trying to georeference a column with textual addresses. I know that the data I'm trying to georeference is ok ...
4
votes
3answers
6k views

How to set Definition Query on ArcPy layer from shapefile?

I'm trying to determine options to set a layer definition query using ArcPy. I know that it is possible when using arcpy.mapping.ListLayers(). However, in this scenario I am loading in ...
1
vote
1answer
2k views

Cannot read property 'wrapDateLine' of null - Open layers

My code is giving the error: Uncaught TypeError: Cannot read property 'wrapDateLine' of null OpenLayers.js:192 OpenLayers.Map.OpenLayers.Class.isValidLonLat OpenLayers.js:192 OpenLayers.Map....
1
vote
0answers
99 views

Whether to use ArcGIS Platform (from Esri) or Google Maps API for large number of polygons?

I am in the planning phases of building a web based application which will be served on IOS devices through a custom application with HTML container. The functionality will be to display a number of ...
4
votes
2answers
783 views

Best Practices : ArcGIS for Javascript

I have just started developing with ArcGIS for Javascript and as I'm learning Dojo I'm seeing a reason to modularize development for a more plug-n-play concept. I can't seem to find any good articles ...
3
votes
3answers
941 views

Gdal: how to get the max and min altitudes of my topographic raster?

Given a .tiff topographic raster image. How to get the altitudes of the highest and lowest point/pixel ?

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