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ArcGISDynamicMapServiceLayer refresh manually does not work

takashiiwata

i am making ArcGISDynamicMapServiceLayer to show sth and i want to refresh the data manually.

i mean i don't want to refresh automatically when the map resizing or moving.

i tried layer option like below but they don't work.

useMapTime: false

refreshInterval: 0

if anyone have idea, plz help.

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Accepted answers

rscheitlin

Takashi,

A FeatureLayer downloads the actual geometry from the server and depending on the mode (i.e. shotshot) it downloads all the data initially. The ArcGISDynamicMapServiceLayer just requests a new image from the server every time something changes like the extent or visible layers, etc. What you are wanting is not possible using ArcGISDynamicMapServiceLayer.

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takashiiwata

Robert,

I'm sorry I needed more explanation

I want to say the shown data by using "FeatureLayer.selectFeature" will never update even delete data from table.

is that right?

I want to do like that on ArcGISDynamicMapServiceLayer without any selection.

rscheitlin

Takashi,

Sorry I don't understand what you are wanting to do.

It is like select all in FeatureLayer.selectFeature.

A ArcGISDynamicMapServiceLayer will show all visible layers unless you set a definition Expression for one or more of the layers or set the visibleLayers.

takashiiwata

Robert,

Thanks very much for your answer.

I got it but I still want to show ArcGISDynamicMapServiceLayer in a state when the Layer was visible.

It is like select all in FeatureLayer.selectFeature.

if you have idea, let me know please.

rscheitlin

Takashi,

The ArcGISDynamicMapServiceLayer in the JS API will always refresh (request an new image from the server) when ever you pan or zoom the map there is no property you can set to change this default behavior.

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