Tagged Questions

Commands that require interaction with the GUI before an action is performed.

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1
vote
1answer
58 views

ArcMap tool for deleting polygon with C#

I need to create custom tool for ArcMap, which would let the user delete polygons by mouse clicks. I am pretty new in this thing, so how can I retrieve a selected polygon so I could delete it? Plus do ...
3
votes
1answer
37 views

Accept multiple input types in ArcGIS Script Tools UI

everyone! I'm working on a python script that calculates aggregations of ACS Variables (i.e. adding "Renters who spend more than 30% of Annual Income on Rent", "...40%...", "...50%...", etc.). The ...
3
votes
0answers
43 views

Where to find comprehensive descriptions of tools in QGIS, SAGA, Orfeo, etc. toolboxes? [closed]

There exists a large number of tools for QGIS (e.g. SAGA, GRASS, ORFEO etc.) - however none of these have sound description of the aim of the tool, the algorithm itself, differences to other similar ...
2
votes
0answers
43 views

Why does my clipped raster seem to be slightly moved?

I'm having some problems with clipping rasters. I started clipping my raster using extents, but I saw that the clipped raster is different from the original raster. I created a virtual raster to use ...
2
votes
0answers
47 views

Merge shapefiles to one tool not working?

When using the data management tool "Merge shapefiles to one" in QGIS why is it copying one of my shapefiles instead of merging the two together as it should?
2
votes
5answers
222 views

How to create a feature class from the area in one layer not covered by another layer using ArcGIS?

I am working on a project doing spatial analysis at a statewide level. I am looking at a form of transportation coverage in a state, and part of my analysis involves buffers and drive time polygons. I ...
0
votes
3answers
139 views

Finding coordinate pair at any given distance along calibrated route?

Goal: given a route as a set of ordered coordinates, measure the overall distance of the route and be able to access the coordinate pair at any given distance along the route. Application: I'm ...
1
vote
1answer
97 views

Mosaic To New Raster Changes Pixel Values

I am using the mosaic to new raster tool to mosaic two rasters together, one 2-bit and one 4-bit, and the output raster has given all the previously nodata pixels the value 3. Some of the pixels in ...
0
votes
0answers
23 views

Using file directories from a table

I have a toolset that will be using a set of file directories as input (shapefiles, raster etc.).The table can be stored as CSV or DBF. Is there a way to read a specific cell (row,column) of the ...
0
votes
1answer
70 views

In QGIS are there similare construction tools to ArcGIS?

For a project we are using ArcGIS to reshape autogenerated features. For that we often use the construction tools polygon, rectangel, circle, etc in ArcGIS. The right angle is also an often used tool. ...
2
votes
0answers
23 views

Are there are shortcuts for exporting polygon vertex location as a table [duplicate]

Someone came to ask me how he can export the X and Y locations of vertices from his polygon shapefile to excel. So I told him to convert it to points, add columns, calculate geometry, and then export ...
1
vote
2answers
85 views

Road-construction (alignment) tools

Are there any tools available in any GIS environment for route alignment? To be specific, the tool should take a DEM and road-construction parameters -- distance and gradient, roadfill, drainage ...
0
votes
2answers
50 views

Is there any way to use open source tools to make sure that lines on a map dont overlap?

I am a generalist developer getting the hang of basic gis. I made this geojson map by clipping and converting different shapefiles. The problem is that the precincts of New Orleans extend into the ...
0
votes
0answers
63 views

How to activate edit tools

I have opened a project I worked on earlier on another machine, but the edit tools are not active, so i cant turn on editing to change a layer. What is the reason for them to be gray, and how can i ...
1
vote
1answer
538 views

Custom Tools not Saving in Toolbar on Startup/ Normal.mxt?

I am trying to save some tools that I have created into the default toolbar layout that is present when ArcMap 10.1 is launched. It is possible to change the arrangement of toolbars, add new ones and ...
3
votes
3answers
482 views

Intermediate Data in Python Code

Is there a way to incorporate intermediate data (so that I do not have to select an output save location) in a python script that I turned into a tool? import arcpy, os from arcpy import env ...
1
vote
2answers
103 views

How to select and delete past freehand features in ArcMap?

I am editing an older map in Arcmap 10.1 and want to edit a freehand drawing someone made. I cannot "select" it or find the shapefile it was made under... Any advice? (i know how to make my own ...
1
vote
2answers
53 views

Is there a tool that allows the same functionality of extend/trim feature that was available in 9.3?

In ArcGIS 9.3 there was a tool called Extend/Trim Features that allowed you to select multiple segments and extend or trim them to a feature. In 10.1 that seems to have been moved to the Production ...
1
vote
0answers
83 views

How to build a query tool for spatialite data in QGIS?

I am trying to build some tool for a collegue of mine to query data from a spatialite database while clicking on vector features. My first guess is, that I could do this with an "action" I define for ...
2
votes
1answer
269 views

Why does ArcMap drag and drop report “one or more dropped items invalid”?

I've noticed that I can drag and drop data sets into a custom tool within ArcCatalog, but if I launch the tool in ArcMap and try to drag and drop layers already in my TOC, I get an error "one or more ...
2
votes
2answers
313 views

“add feature” tool QGIS 2.0 - polygon fill blocks view of what I want to digitize

How can I change the settings on the vector "add feature" tool so the tool fill doesn't block my view of what I want to digitize? This problem popped up after I upgraded to QGIS 2.0 QGIS 2.0 ...
9
votes
2answers
290 views

Can ArcGIS ModelBuilder open Excel file for manual editing, then feed those edits back into model?

I have been tasked with creating a model using ArcGIS ModelBuilder, that initially runs a couple of geoprocessing tasks, before then joining an Excel table to the result of those geoprocesses. ...
0
votes
0answers
108 views

How to change Split Vector by Attribute to produce files with attribute values as file names?

Using: QGIS 2.0.1 I am trying to separate a large fauna point .shp file into many shapefiles based on each species' unique name attribute (i.e. by "SCI_NAME" field)??? I am currently using "Split ...
2
votes
2answers
106 views

Save multiple selection sets in QGIS

I'm looking for a feature in QGIS but I am not sure if it exists. I don't know the name of such feature, but I call it multiple selection sets. It exists in TransCAD and I find it very useful. It ...
3
votes
1answer
651 views

Euclidean distance tool in ArcGIS refuses to calculate in meters

I have a shapefile with the several roads. I am using the Euclidean distance tool in ArcGIS to create different distance bands from the roads. However, despite being careful to ensure that all the ...
2
votes
0answers
39 views

Script tool does not create output variable

I have the following problem. I have created a python script, which output should be a list of values (res[i]=*something*). Now I would like to create a script in my toolbox so i could use it from ...
0
votes
1answer
482 views

How to debug Background Processing Error from ArcPy & Geoprocessing tools?

When I run a script in the background or Toolbox tools I will get a Background Processing Error. The script isn't the issue because it's happened several times today. When it does crash it will ...
2
votes
2answers
247 views

Looking for ArcPy tool for calculating statistics on field with summary field AND boolean fields

What I'm searching for is a tool that will sum a field by a secondary unique field AND booleans... Let's say I have 12 table each with 4mil records and the following fields: Donation_Amount ($ ...
2
votes
1answer
161 views

Tools/Script to reshape automaticaly topologic edges within a given distance in ArcGis 10?

I have a footprint feature class and a land use cluster feature class. I am looking for a method/tool/script that would allow me: to reshape two edges into one (topologically) to decide at which ...
2
votes
1answer
2k views

How do I select by location based on selected features with Python?

Is there a way with Python to do Select by Location with the Use selected feature option? I'm trying to automate a process and am running into barriers. I need to be able to select the 2 lines ...
2
votes
2answers
175 views

Is there Shape Metrics Toolbox or equivalent for ArcGIS 10?

I need to compute the geometric properties (e.g. contiguity index, dispersion index etc.) of a series of polygons and I would like to use the Shape Metrics Toolbox. I am using ArcGis 10 and the ...
3
votes
1answer
101 views

How can I hide a tool from command window under category

I have created a tool, a button and a dockable window under one project. To open/close the dockable window, button is used. For some specific work, by clicking some specific button from dockable ...
3
votes
2answers
118 views

Is it possible to have tool parameters appear only if clause met?

I'm writing an arcpy script for a tool that has a large number of parameters (around 10). About half of these are "dependent" (perhaps not in the technical sense of the term), as in [first ...
5
votes
5answers
913 views

How to add Radio Buttons to Python Script tool dialog?

I have 3 Point shapefiles for 3 species that contains the accession points of each. The user needs to specify only one species at a time. I need to write a script tool for adding the selected Point ...
2
votes
0answers
48 views

Difficulty in running the script

I have developed a script tool for adding a layer in the current map document. It did not work.. The message is "Completed script addlayer...". But there were no layers added in the TOC. Another issue ...
1
vote
1answer
143 views

How to query and display layer using ArcGIS Python script tool? [closed]

I have database which contains point shapefiles and raster files for 3 species. My aim is to develop a script tool that should have a search tab to enter the species name. also, a check box to select ...
3
votes
1answer
77 views

Should Identify Tool be used in a Web application?

I was told having a Identify Tool is a bad practice in most web applications. Can anyone explain why or point me to a resource that explains why having a Identify Tool is considered bad design in a ...
1
vote
1answer
153 views

plot path of points

I have a sample of the address histories of households. ID ZIP1 ZIP2 ZIP3 01 XXXXX XXXXX XXXXX 02 XXXXX XXXXX XXXXX 03 XXXXX XXXXX XXXXX 04 XXXXX XXXXX XXXXX ... It's easy enough ...
1
vote
1answer
123 views

Adding parameters to a category in a script tool

There is plenty of documentation on how to add parameters to a category in a python toolbox, (See the bottom of ...
0
votes
3answers
458 views

How can I easily detect gaps in a polyline using arcmap 10.0 (arcview license)?

I'm making routes by selecting links from a streets layer which I export as a new temporarely layer in arcmap 10. This layer which I call route_temp unfortunately can be very long and contain gaps, ...
0
votes
1answer
3k views

How can I manipulate the timestamps in a GPX file?

I have a GPS tracked stored in a GPX file. Now I'm looking for a tool that allows me to set the start time of the track and the duration, and the tool should automatically evenly distribute the ...
1
vote
1answer
475 views

Identify Tool for JS API similar to the tool in ArcGIS Desktop?

As documented in my earlier questions, I am having trouble connecting multiple ArcGIS Server services to identifyTasks. Therefore, I'm wondering if there is a tool/process or if its possible to create ...
1
vote
1answer
529 views

ArcGis 10.0 SP5 - Drag & drop support vs tool parameter types

I got a custom Python-tool, and one of the parameters is a (multivalue) "File" type parameter, filtered on a given set of extensions. Also, I got users requesting drag and drop; dragging files from ...
1
vote
1answer
100 views

Dialogue window for ground to grid tool in arcmap 10

I am using ground to grid correction tool with some success but in the window I cannot see all the print. Is there a way to size the window? Does anyone know how to apply ground to grid correction ? ...
7
votes
1answer
983 views

How to enable GRASS-modules in QGIS?

I have the latest QuantumGIS-1.9.0-master from Github with python-modules support and full GRASS-integration (GRASS-4.6.3-RC2) on Linux. When opening the GRASS-tools plugin, it only displays six ...
2
votes
0answers
73 views

Removing FID as an option from ArcGIS Tool Validation Parameters

I am currently building a script tool which requires the user to select a sorting field from a list (built using a dependency on the featureclass). This Element is working fine, but I would like to ...
2
votes
0answers
199 views

Reclassifying a field in vector files in ArcGIS [duplicate]

ArcGIS has a reclassify tool that works with Raster files only. Is it possible to have the same functionality for a vector file? On the basis of one of the fields in a feature class, the tool ...
3
votes
2answers
165 views

Dissolve column based on attribute in another column

I have 3 columns within a polygon layer I'm working with. Column 1 = Landowner, 3 different values Column 2 = Parcel, N different values Column 3 = Management type, 5 different values I would like ...
1
vote
1answer
125 views

Substitute for SpatialJoin tool?

I have to write a script in Arcgis which I would like to use the SpatialJoin tool (arcpy) but I do not have the appropriate extension. It may be a tool (or example of scripts) for doing the same ...
2
votes
1answer
379 views

Make Feature Layer tool problems in Model Builder

I am having a slight problem with using the Make Feature Layer tool in model builder. Basically I have a file geodatabase of points. I am trying to make a model to pull out points according to a ...