1
vote
1answer
11 views

Constructing a simple zip code polygon map in CartoDB

I'm new to using CartoDB. I suspect that what I want to do is rather simple but I would love some guidance. I want to produce a map that depicts multiple layers, the first of which is simple zip code ...
1
vote
1answer
26 views

ArcGIS Tool to Delete only Geodatabase content (feature classes, tables, etc)?

Situation: Need to add a Tool to my ModelBuider to Delete only the content from an Enterprise (SDE) Geodatabase (containing features classes, tables, relationship classes). Tool "Delete" (from ...
-1
votes
0answers
29 views

Searching for advanced or cool cartographic techniques in ArcGIS [on hold]

I would like to introduce students to some unusual/ advanced / cool cartographic techniques in ArcGIS (or even QGIS) before moving onto web based cartographic tools and Adobe. I have decided to do ...
0
votes
0answers
8 views

geowebcache-diskquota.xml is not read by geowebcache

I am using the stand-alone version of geowebcache instead of the geoserver-integrated one. I wish to set a quota for the amount of space the cache may fill. I have created a geowebcache-diskquota.xml. ...
0
votes
1answer
15 views

Problem compiling a file in MapBasic v 10.5

There are 4 error messages with the script below. Can anybody find out how to solve them please? Everything seemed to match up in Notepad + + Any other hints would be gratefully received. Thank you ...
1
vote
2answers
103 views

If/else statement in arcgis

I try to fill the fields with the condition if / else but it does not work. I do not know where is my mistake in the code. def TextValue ( !Classe! ): if !Classe! == "Steppe arbustive" or !Classe! ...
0
votes
1answer
11 views

Assigning OpenLayers Layers to different layer trees 'automatically'

I am developing an OpenLayers 3 web application were I would like to incorporate multiple layer selectors. Instead of manually adding each layer to a layer selector I would like to do it using the ...
3
votes
1answer
32 views

Averaging Cartesian ECEF coordinates then converting to WGS84 without latitude drift

Preface: I'm unsure if GIS or math is the correct community for this question. I have a set of 9 WGS84 latitude/longitude (degree) pairs for which I need to find the weighted average of. To prevent ...
0
votes
0answers
24 views

How to expose map sublayers on qgis web client

Within the QGIS Web Client, how does one enable the sublayers of Map Layers to be exposed? On my QGIS application, I have created a QGIS project file comprised of a chloropleth map (or a graduated ...
1
vote
0answers
23 views

ArcGIS python add in to call python script for importing mdb data

im trying to change from a .net toolbar to a python toolbar in ArcGIS 10.2 and am having some difficulty. I have some stand alone python script which i know works and does what i need to do but i ...
0
votes
0answers
4 views

Problem with Bing Maps Infobox moving out of right edge?

I'm working on a web application that uses Bing Maps. I'm having some trouble with infoboxes. I have infoboxes which are created simply like this: infowindow2 = new Microsoft.Maps.Infobox(new ...
2
votes
0answers
19 views

What are the rendering options for timeline animations in QGIS?

I want to animate a shapefile that has a timeline (DATE) attribute using QGIS. The [TimeManager] plugin (http://anitagraser.com/projects/time-manager/) has been installed and provides sufficient ...
0
votes
0answers
31 views

Equivalent for PostGIS ST_SnapToGrid in ArcMap 9.3

I'm new with ArcGIS and ArcMap. I need to round coordinates on precision of 2 decimals while maintaining relations between them. So basically I need to make something to be equivalent of ...
1
vote
1answer
17 views

instagram dataset sync

I just uploaded a new photo but it has yet to show up. I applied the query again in cartodb but still does not show. Shouldn't it be syncing automatically? And how long should it take using a ...
-1
votes
0answers
17 views

Count a great number of fields with Summary statistics [on hold]

I need to do a count of a 100 fields and I am searching a expedite way to do it. Instead of selecting one by one, I imagine there is a way to do it. Does anyone can help me?
1
vote
0answers
22 views

raster tiles from vector data with GDAL - how to avoid aliasing artefacts?

Prequesites I have vector data in a Shapefile N47E007_CONTOURS.shp produced with wget -O N47E007.zip http://e4ftl01.cr.usgs.gov/SRTM/SRTMGL1.003/2000.02.11/N47E007.SRTMGL1.hgt.zip unzip N47E007.zip ...
1
vote
1answer
24 views

SRID awareness in Postgis functions

I have a column named position with geo data. Query: SELECT ST_SRID(position) FROM checkpoint LIMIT 1; returns 4326 If I try to simplify/compress points with SELECT ...
-2
votes
0answers
19 views

what is the script for pdf file hyperlink for a diffrent polygon diffrent pdf in qgis [on hold]

what is the script for pdf file hyperlink for a diffrent polygon diffrent pdf in q gis.and whenever we open that file any computer that time they not say create again script and path.
1
vote
1answer
30 views

Which projection is suitable for the measurements of this great circle?

I have drawn a circle on google earth pro in such a way that its radius starts from earth center 0,0 (lat/long) and ends at 0,90 (lat/long). This circle divide the earth into two equall halfs as shown ...
1
vote
1answer
22 views

Postgis How to populate column with geography data from geometric data?

I stored my point date in geometry format with SRID 4326 supposed EWKB (data looks like this "0101000020E610000071F1A611E9392640AECD10D8E68C4A40") = way geometry(Point,4326) I want to have the ...
1
vote
0answers
9 views

getImageData() returns all 0 values in data for an OpenLayers3 layer set as Transparent (Safari 8 on OSX Yosemite)

Please pardon my ignorance if this seems trivial, but I am very new to using openlayers3 for map rendering. I am rendering a Tiled layer over the world map layer for the KML data from CGI mapserver ...
0
votes
0answers
21 views

What are the main issues of creating DXF not from Autodesk Products?

We are trying to work on a project, and the requirements for delivering the product to the company is in DXF files because they use Autocad and we should meet their standards. On the other hand we ...
0
votes
0answers
6 views

How to download NDVI in USGS (auto) [on hold]

I want to download NDVI or any map GeoTiff in USGS when it update. Someone please suggest the best way to get it.
1
vote
1answer
24 views

How to calculate overlap area of two polygons?

I am a beginner in the world of GIS. I have one table polygons with each polygon having north-east and south-west coordinates. And for every polygon, I need to find area of overlap with other ...
-6
votes
0answers
21 views

SPATIAL QUERYING ON A VECTOR LAYER IN OPENLAYERS 3 , TO HAVE ONLY SOME SPECIFIC LAYERS TO BE VISIBLE IN OPENGEO SUITE APP [on hold]

As i am unable to write a query on vector layer in openalyers 3. On raster layer i am able to restrict layers using CQL_FILTER, but unable to add styling and overlay it on a bing map. Looking for a ...
5
votes
1answer
85 views

Dissolving shapefile but retain attribute fields

Is there any way to dissolve shapefile but keep attributes fields in the same time? This is how I want to retain fields: There are two fields I want to conserve in a shapefile. The first column is ...
1
vote
2answers
59 views

How to show variable values in message bar in QGIS?

I know that I can write custom text to message bar with the QgsMessageBar.pushMessage() method. But if I understand the documentation right, there's no room for variables added to a string where they ...
-4
votes
0answers
14 views

HOW TO PASS AND CALL VALUES FROM A OPENGEO SUITE APPLICATION TO A .NET APPLICATION [on hold]

I am unable to call and pass values from a separate application(.NET application) to a opengeo suite applciation. As i am given with a (url :- http://localhost:9080/ ) generated in command prompt ...
1
vote
2answers
28 views

Event layer to feature class - fastest method?

There are three methods to convert the output of a Make XY Event Layer to a Feature Class: Copy Features Feature to Point Feature Class to Feature Class Which one is the fastest method? I need to ...
0
votes
0answers
5 views

Census Data Mapper - what tool they used to do it?

The Census Data Mapper is a web mapping application of the Census Bureau used to create instant web maps out of the Census data which are stored in the Census databases. I was wondering what tools ...
0
votes
1answer
25 views

Shape file text field unicode

I used ArcGIS 10.3.1 to create Shape file with a text field with 5 length. When I entered a unicode text with 5 characters, ArcGIS lost the last 3 chars (Saved only 2 begining chars). What's the ...
0
votes
0answers
8 views

Element retrieval in owl file format using python

I just created my ontology file for semantic relation using protege.My ontology file is in the foram of owl.I need to compare two relations doamin and range.But i dont know how to do it.
0
votes
0answers
14 views

How to load and reference historic mapping

I have recently started working with QGIS having used ArcView for several years. I am unsure of how to go about inserting historical maps which have no referencing data. I think it might be possible ...
0
votes
0answers
7 views

Installing mapscript

I have installed mapserver in an existing xampp installation (Windows 7) by copying the cgi-bin directory from ms4w to xampp/cgi-bin. Mapserver is running just fine. I'm trying now to install ...
1
vote
1answer
18 views

How to register a broadcast on QGIS to start my plugin on start after loading plugins

I want to perform a default task when user opens QGIS but here I am building it as a python plugin so I want a signal or broadcast to call my plugin. I didn't build QGIS from source my plugin should ...
1
vote
0answers
16 views

problem with view of open layer plugin map and swiss national coordinate system in print composer

Mi projects are in the swiss coordinate system (CH0193+ / LV95) and I use Open Layers Plugin for the base map (google streets). In the normal window, this seems to work fine: As soon as I open ...
1
vote
0answers
24 views

Is it possible to use Kriging to interpolate monthly mean temperature data of a point with data from weather stations around this AoI? If yes, how?

I have monthly mean temperature data from a number of meteorological stations around the location for which I actually need the information. I was thinking of using spatial interpolation techniques to ...
0
votes
1answer
39 views

Is there a way to Alter Elevation Values of Pixles of a DEM based on BM and Control point elevation from actual Field survey?

We have got a quick bird DEM of our site. After getting actual on ground elevation values with a differential GPS device, we have found that there is a difference of average 12 feet between DEM and ...
0
votes
0answers
14 views

explain generate spatial weight matrix k-nearest nieghbor results

I successfully generate 8th nearest nieghbor matrix and open it in excel, but I am confused about what the weight field mean it shown in the picture below since I generate the 8th nearest neighbor I ...
0
votes
0answers
10 views

ArcObjects - Interacting with existing ArcGIS Server layer

I have a bunch of users running a 10.2.1 VB.Net extension, which assumes they have a particular MXD loaded. That MXD contains an existing ArcGIS Server layer (ie. not added programmatically by the ...
3
votes
2answers
43 views

Placing the label style alongside the layer style within the legend - Arcmap 10

I've been searching for a way to include the label symbology within the legend, something similar to the image below: (Apologies for the quality) There was a post some 4 years back that touched on ...
-1
votes
0answers
29 views

Heath GIS Techniques [on hold]

can anyone please explain to me what is a two-step floating catchment area (2SFCA) method and how to use it with step by step instructions in Arcgis?
2
votes
1answer
20 views

replace raster cell values with values in a .csv

I'm looking for a simple way to replace the value field in GRID format with values that I have in a csv. It would be much like doing a join, where the GRID and the csv have a FEATUREID and then ...
0
votes
2answers
51 views

How to get the parameter defined in one tool to another tool in same python toolbox?

This is what I am looking for: Create two tools in Python Toolbox: Tool1 and Tool2 (I am able to do that) I want to define a parameter in Tool2 whose value depends on parameter entered by user in ...
1
vote
0answers
18 views

Output formats not showing in heatmap plugin (QGis 2.10.1 in ubuntu 14.04)

I just upgraded to QGIS 2.10 (using the debian repos) and the heatmap plugin doesn't show any formats in the dropdown menu. I'm able to open every raster format I have at hand and, of course, the ...
0
votes
0answers
19 views

How to dynamically create new parameters based on previously entered parameter in python toolbox?

This is what I am looking to create in a python toolbox: Create a parameter to get geodatabase (.gdb) file from the user. (the .gdb file has some number of feature classes) After user enters the gdb ...
1
vote
3answers
85 views

arcpy.mapping.MapDocument(“CURRENT”) fails when running python script in background as tool

The engineers I work with have requested an autosave feature for ArcGIS, so I thought I'd make them a python tool that routinely saves. The script works fine when run in the foreground, but fails when ...
0
votes
0answers
20 views

How to combine two different raster by replace its raster value at their overlap space? [duplicate]

I have two different raster data : First data : Second data How to combine those raster data? so the output data will be like this : Where the overlap space between First data and second data ...
0
votes
1answer
21 views

How to export to KML from Spatialite command line

The Spatialite GUI can export a Geometry column to KML file. How would one go about doing that from the Spatialite command line? I am looking for an example code preferably - the .help doesn't mention ...
2
votes
1answer
23 views

Filtering Layers based on types in ArcGIS

I want to loop through all the layers in TOC in ArcGIS and report Raster and Vector Layers. I want to see how many layer are raster and how many are vector. I can access the layers using: IEnumLayer ...

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