Why is my shapefile not showing in QGIS?

Why is my shapefile not showing in QGIS?

I am using ArcGIS Desktop to view one shapefile. Only a select number of features are being displayed. The same number are showing in the attribute table even though the database file (.dbf) has a complete list with many more features. I then tried opening the shapefile in QGIS and it informs me that the file is invalid.

How to reduce the size of a shapefile?

Specifically, you can use spatial join to join the original shapefile to the GADM file, and append attributes like the county identifier to GADM shapefile so that you have both the needed attributes and a smaller shapefile. I would use the Simplify tool to reduce the numbers of Vertices.

How to create a SHX file without the shx?

You could open the Shapefile without the shx in OpenJump and save it as a new Shapefile. Then the shx-file will be generated. Thanks for contributing an answer to Geographic Information Systems Stack Exchange!

How can I reduce the geometry in GIS?

Generally speaking, you can reduce the content of either the .shp (geometry) or the .dbf (attribute) by trying generalization tools from other GIS packages as @GISdirtsniffer pointed out, or by deleting unused attribute columns.

I am attempting to import a Shapefile into QGIS. When I import it, the boundary is shown on the list, but when I try to view it in the mapping area, it does not show up. I can get it to show the nodes if I go into edit mode, so I know the data is there. I’ve have the same problem in v2.8.2 and v2.12.3.

Is there a way to fix geometry in QGIS?

I’m very new to QGIS. I saw the same thing. I was able to view it in QGIS with a bit of geometry fixing. If you run Vector > Geometry Tools > Check Geometries, and write the corrected geometry to a new shapefile with the Output Vector Layer options, you get this…

How does the buffer distanceor work in QGIS?

The buffer distanceor buffer size can varyaccording to numerical values provided in the vector layer attribute table for each feature. The numerical values have to be defined in map units according to the Coordinate Reference System (CRS) used with the data.

How to create new layers using QGIS in SQL?

layers as a result of an SQL-like query based on one or many layers: the virtual layer. QGIS also provides tools to import/export different formats. Creating new vector layers ¶ QGIS allows you to create new Shapefile layers, new SpatiaLite layers, new GPX layers and new Temporary Scratch layers.

Why is my new shape layer not showing up?

I am having trouble with a new shape layer not showing up on my map. The attribute table is showing up fine and all of the points are in there, however visually, there are no dots showing on the map. I have made sure that the new shape layer was at the very top of the stack.

How to create a new shapefile layer in Photoshop?

To create a new Shapefile layer, choose Create Layer ‣ New Shapefile Layer… from the Layer menu. The New Shapefile Layer dialog will be displayed as shown in figure_create_shapefile. Choose the type of layer (point, line or polygon) and the CRS (coordinate reference system).

When do you delete a layer in QGIS?

In this case you’d need to manually save these layers as a permanent file format, eg shapefile. if the layers are generated through an algorithm in the toolbox, and the output layer is set to Save to temporary file then the layer will also be deleted when QGIS is closed.

Why is my new shapefile layer not showing up?

However I installed QGIS onto a Linux machine and the identical problem occurred. Hope someone can help, or has an idea what it might be… if you got error in both OS and you can see the information on attribute table, maybe there is a problem with the Coordinate Reference System (CRS).

Why is my shapefile ” dissapearing ” in Windows 10?

So my case of shapefile “dissapearing” was due to corrupted .qml file. I was able to fix it by re-building and load the .qml file as new.

Why is the TIFF image in QGIS invisible?

In QGIS I used the Georeferencer on a jpg image I had prepared in Gimp. But when I load the resulting tiff image into my QGIS project it is invisible, even though an image viewing program can show it perfectly well.

How do I Make my layer display correctly in QGIS?

To make the layer display whenever Qgis is started, I have to go to the Layer Projection Selector (where the correct projection is already highlighted) and click OK. The layer then displays correctly. This needs to be done each time I open a project with Qgis. This began when I updated to Io.

Do you need reputation to ask a question on QGIS?

Earn 10 reputation (not counting the association bonus) in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. Browse other questions tagged qgis raster georeferencing or ask your own question.

How can I find out if my shapefile is corrupt?

Perform a field calculation using the Field Calculator. The Field Calculator may stop on the corrupt record. To determine this, examine the attribute table of the corrupt shapefile. For example, if a shapefile with 1,000 records stops on the 750th record, either the 750th or 751st record may be corrupt.

How to fix geometry validity errors in QGIS 2?

Just for context, I needed to do this after I received the following error: Feature (820) has invalid geometry. Please fix the geometry or change the Processing setting to the “Ignore invalid input features” option. I just ran in to a similar problem in qgis. I had a poly began projecting incorrectly.

What does empty table mean in shapefile Esri?

Problems with the data are reported while the tool is executing or in the output table. View the output table after execution. An empty table indicates that the tool found no bad geometry. If bad geometry is reported, use the Repair Geometry tool in the bullet below.

How to remove the vector layer in QGIS?

To sanitize the project, remove the layer. Under Settings -> Options, CRS tab, CRS for new layers, select Prompt for CRS, and add the layer again. That should wipe away most CRS mistakes. Thanks for contributing an answer to Geographic Information Systems Stack Exchange!

Is there a way to run Saga polygons?

I can run some of the polygon tools from the tool box such as SAGA Polygon properties, and it will then show the polygon when the new layer is created. I am able to load these same polygons into another program and they work properly. I’ve saved the files to my Google Drive and it can be linked below.

Do you need geometry columns in spatial MSSQL?

In spatial MSSQL (when it works) you dont need geometry_columns table (just take that option of in qgis) but atleast i had to have gid as identity column in spatial table. MSSQL doesn’t care about your srid so you can use any integer when using geometry type, so dont panic if you dont find your srid in MSSQL sys.spatial_ref_systems table.