0
votes
0answers
6 views

Get spatial reference of FeatureLayer (Arc Java SDK)

My app allows a user to choose a shapefile from their computer to load on top of a pre-selected basemap - currently just an ArcGIS Online map service added as a ArcGISDynamicMapServiceLayer. I'm ...
0
votes
0answers
7 views

In ArcSDE, SQL Studio Manager 2012, How to get pixel data using a point layer?

I was using 'where' and 'ST_Intersects' with polygon data to get values 'under' my point layer. Example: Select rd.[FORESTNAME] as Forest, Count(Distinct morel.[OBJECTID]) AS Observations From ...
0
votes
0answers
6 views

mapinfo and java tools

I am hoping to develop a mobile application under android or my database is a card(map) produces by mapinfo professional version8.0 My questions are: To read this card(map) (the file containing ...
0
votes
0answers
7 views

No longer can write paletted GeoTIFF in R using rgdal::writeGDAL

The following code used to return a paletted GeoTIFF, but no longer seems to work in my current environment (I did upgrade R from 3.1.0 to 3.2.0). # Download some point data ...
0
votes
0answers
2 views

mbutil export of mbtiles png files are all corrupt

I have an mbtiles file that I created with MapBox studio from a GeoTIFF source, and when trying to export the mbtiles with mbutil, all the images are corrupt, no matter if I try png or jpg. Has ...
1
vote
2answers
24 views

Run C# form when ArcMap mxd is opened

I have created a form in C# which collects data such as name, date, workspace and several other fields from the user and stores this data in a temporary .txt file to be used later by other functions. ...
1
vote
0answers
13 views

Is there any way to set a processing extent for QGIS:Voronoipolygon?

I was playing around with the QGIS:voronoipolygons command line function from QGIS and noticed that there was no option for setting the processing extent. This causes QGIS to pick the minimum extent ...
0
votes
0answers
23 views

Combine multiple shapefiles python

I'm pretty new to working with shapesfiles. I'm trying to create a spatial index of addresses in NYC. I completed it using an rtree but have only done it for Manhattan. To complete the other counties ...
1
vote
0answers
4 views

Getting the New Map When the FocusMapChanged Event Fires

Normally, in ArcMap, when an event handler to catch the FocusMapChanged event is set up, and a new map (data frame) is activated, when the event fires, a reference to the FocusMap returns the map that ...
0
votes
0answers
8 views

postgis update query equivalent for shapefile geowithin update using QGIS [duplicate]

Using QGIS I can use the field calculator to update one point layer based on the point falling within another layer's polygon using geomwithin('water','water_id'). What is an equivalent update query ...
0
votes
0answers
10 views

Printing functionality OpenLayers 3 and MapServer [on hold]

Someone explored the existing solutions to print a map with OpenLayers 3 using MapServer. I saw the print function of this web mapping http://map.geo.admin.ch it's really interesting. Do you think ...
0
votes
0answers
5 views

Offline Base Layer using stored KML or GEOJSON file

Using OpenLayers 2, I want to have an offline baselayer, that is loaded from a KML or GEOJSON file. I am successfully able to do this if I first load a baselayer from google maps. For example, this ...
1
vote
0answers
11 views

how to draw a polygon in leaflet and add it to geojson file

I am working on a small project with leaflet. the goal of the project is to show a geojson file and updating it dynamicaly from the window of the web site. I have imported the geojson file to the map. ...
0
votes
0answers
12 views

How to add geospatial info to an existing PDF?

I work with a small non-profit mountain bike trail advocacy organizationand as a result have created a number of PDF-based maps. These are all Mercator projection, built off of OpenStreetMap data, and ...
0
votes
0answers
7 views

Setting up PyCharm CE 4 to work with PyQGIS library in Mac OS

I am trying to set up pycharm to work with pyQgis library but with not success till now. I am using PyCharm CE v4 and QGIS version 2.8 I have tried to implemnte the instructions of several posts like ...
0
votes
0answers
22 views

Using Spatial Join to copy a single attribute

I am attempting to use Spatial Join to combine tax parcels and zoning information, such that the parcels contain the designation of the underlying zone. However, I only want to take the "esmZONE" ...
3
votes
0answers
12 views

How to use SRTM Global DEM for Aspect calculation?

I need to derive a raster representing aspect for North America (from STRM data, originally in geographic lat/long). In most projections, true north is only map north along eg the central meridian so ...
2
votes
2answers
29 views

Optimizing Geometry.STIntersect Query

I am attempting to move simple Geoprocessing routines from ESRI based processes to SQL Server. My assumption is that it will be far more efficient. For my initial test I am working on an intersection ...
4
votes
0answers
14 views

Why is there an upper limit to the SRID value in the spatial_ref_sys table in PostGIS 2.1?

I was trying to insert a reference system in PostGIS from http://spatialreference.org/, and got a constraint violation for spatial_ref_sys_srid_check. I checked that constraint and found that, when ...
7
votes
3answers
217 views

Is it possible to look at the contents of Shapefile using Python without an ArcMap license?

I wondered if it is possible to look at the contents of a shapefile using Python without having and ArcMap license. The situation is that you can create shapefiles from many different applications, ...
0
votes
0answers
16 views

Accessing and manipulating the tileCache for XYZ source

I would like to be able to clear certain tiles from the TileCache. It seems that the tileCache is always undefined for my source. Here's a simple getter I wrote to get the tileCache for my source: ...
1
vote
0answers
7 views

GeoServer - change native SRS of cascaded WMS (other from Capabilities)

Short story: How to change native srs of cascaded WMS service in GeoServer admin GUI? How to change native SRS from epsg 32633 to 4326? This native srs is blocked to change (it is somehow set ...
0
votes
1answer
23 views

How to add rows from a Dataset to another?

The DB I have is divided in many datasets (shape format, each .zip I send to CartodDB consist of 4 files, .dbf, .prj, .shp, .shx). The problem is that the free account only allows 4 datasets, each one ...
0
votes
0answers
12 views

Multiple QgsRubberBands; creation and destruction?

Currently the following code-snip works great to highlight a shape based on the 'feature' and 'layer' variables: self.rubberHighlight = QgsRubberBand(self.iface.mapCanvas(),QGis.Polygon) ...
0
votes
1answer
25 views

Creating geometry from lat/lon in table using PostGIS?

I have a table with over 800,000 records including a lat and long column. The data source did not create geometries, so I was looking around how to do this. I know there's ST_MakePoint(x,y,SRID) but ...
0
votes
0answers
24 views

How can I use a csv file with coordinates and multiple attributes to extract interpolated values for a different set of coordinates in ArcGIS?

I have a .cvs file of 501 rows that correspond to 500 coordinate points, with each row consisting of latitude, longitude for a single location, followed by a list of about 100 weather attributes ...
1
vote
0answers
18 views

How to check if a file is a valid raster image?

How to check if a file is a valid raster image? Valid in the sense of not being corrupt, the file record is complete. The GIS corollary to "zip --test somefile.zip" to test if an archive's integrity ...
1
vote
0answers
12 views

What's the QGIS Legend Format Syntax to have thousands separated by commas?

I have numbers in the millions and would like to know what string to enter in the Legend Format box to have thousands separated by commas ex: 2,000,000
0
votes
0answers
9 views

How to add diagrams to a layer in a PyQGIS standalone application?

In my standalone application, I show different layers based on queries into a canvas. Now I want to add a layer with charts over by the values of an attribute. Is it possible in a standalone ...
-3
votes
1answer
41 views

Copy\ Paste directory [on hold]

continuously to How to copy a fgdb using Python? , i work with arcview 10.3 and ptyhon 2.7.8. I try to copy \paste directory to other directory. in the source directory (src) i also have gdb folders i ...
0
votes
0answers
17 views

Problems with direct connection to ESRI Oracle db for 9.3.1?

I am trying to create a direct connection to ESRI Oracle database for version 9.3.1. When I try to connect I get this error: org.geotools.arcsde.ArcSdeException: Can't create connection to none for ...
1
vote
1answer
32 views

How to use QGIS field calculator between different points of same layer?

I'm in a course learning about GIS systems, and we have recently recorded a gps track. I've exported this track as .gpx and imported the points into QGIS. Each point has a timestamp. One of the ...
1
vote
1answer
33 views

SelectLayerByAttribute and Where Clause

I'm trying to select the minimum value from a field to select and export that one feature to a temp shp so I can copy the field data from the point to a line. So far I have this: import arcpy from ...
1
vote
1answer
22 views

How to detect that QGIS is shutting down in a plugin?

I built a plugin in QGIS and needs to stop it when user wants to exit to remove signals and close properly. How can I get an event when QGIS is exiting ?
0
votes
0answers
26 views

Is there way to define processing extent in QGIS?

Is it possible to define the extent of a processing tool, like it is in the "Environments" in ArcGIS? For example "Same as Display, or "Same as Layer..".
1
vote
2answers
39 views

How to get India OSM map offline in geoserver which looks similar to online OSM map?

I need to OSM map of India having same look and feel as of Online OSM map. I have done following steps for the same : I have downloaded India map OSM data from below link : ...
0
votes
0answers
15 views

Open source software for 3 D vector editing on top of stereo images

I am looking for an open source software that could be used to digitize 3D vector objects from a stereo pair of remotely sensed images. Photogrammetry softwares are too expensive for my use (giving an ...
0
votes
0answers
11 views

Using mask to several raster datasets with same cell size, extend and row/column in ArcMap?

I have a raster dataset "substrate_W84" that I would like to use as a mask in order to create several raster dataset with the same cell size, extent, row/column (to be used in Maxent). ArcMap 10.0 ...
0
votes
0answers
16 views

How send wfs transaction data on json format in Openlayers?

I use a wfs layer in my project with openlayers as follows: var saveStrategy = new OpenLayers.Strategy.Save(); me.point = new OpenLayers.Layer.Vector("Editable Features", { strategies: [new ...
0
votes
0answers
15 views

How to publish linear referencing capability in ArcGIS for server?

I created a linear referencing event and want to publish as linear referencing service in ArcGIS for server . The problem is when i want to publish, High warning shows the linear referencing event ...
0
votes
0answers
23 views

How to improve showing 100.000 points long route vector through whole world?

While traveling the world I will have GPS logger on me and I want to show whole route on my OpenLayers map (on all zoom levels, planning to have ~100.000 points). I will also have animated smooth ...
1
vote
0answers
8 views

Different scale of basemap after exporting to PDF/Image

After creating and exporting my map to pdf/tif obviously there are different scales of the basemap in the exported file compared to the map I created in the printcomposer. See pictures... I am using ...
1
vote
1answer
18 views

Features shift with perspective change in Ol3-cesium Globe view

http://i.imgur.com/G7YWY1p.gif In the gif above, the feature I'm talking about is a line string on the river in center of the image. As you can see, as I'm changing the perspective, the line string ...
-1
votes
0answers
19 views

Interpolating soil depth from 5 sample points using ArcGIS Desktop? [on hold]

Any procedure for for doing soil fertility mapping using ArcGIS software?
0
votes
0answers
11 views

Modifying record of table with GeoTools? [on hold]

I'm developing a GIS application with java. I use Spring RESTController and GeoTools. In client side(I use Openlayers 2.13.1), user modify a feature of wfs layer and want to update it in server side. ...
0
votes
0answers
20 views

Uploading raster to ArcGIS Server dynamically

I am building an new web tool related to agriculture research, this tool is linked to another backend GIS process done in c# and ArcObjects. I want to find a way to visualize this backend output ...
0
votes
0answers
12 views

Synchronize multiple sub model iterators in ModelBuilder?

I have quite a few burn date images (geotiff) for the past 14 years (one image for each month). My area of interest is in 4 images. First i need to mask the 4 images to extract area of interest and ...
0
votes
0answers
17 views

Linear units do not correspond after georeferencing map?

In ArcGIS 10.1, I georeferenced an archaeological settlement plan. The georeferecing was made identifying Ground Control Points on the online aerial imagery provided by ArcGIS itself. 4 GCP were used ...
0
votes
0answers
18 views

Filtering noise out from bare-earth DEM with terrace fields?

I have a 1m bare-earth DEM, derived from LiDAR data, representing a terraced landscape. For the sake of any subsequent use of the DEM (e.g., least-cost path, cost surface analysis, and the like) I am ...
1
vote
3answers
89 views

How to create a compressed GeoTIFF with the QGIS Clipper tool?

I have a geo-tiff created by Pix4D which is about 375 Mb in file size. I have clipped it to a smaller area using Qgis 2.8(using Raster ‣ Extraction ‣ Clipper), and the output file is about 900 MB in ...

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